What are the cheapest airlines flying from Portland to London Heathrow Airport round-trip?

According to our current data, British Airways (£521), Finnair (£524), and Delta (£525) offers the cheapest pricing from Portland to London Heathrow Airport. These flights start at 28% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Portland to London Heathrow Airport one-way?

For one-way options, check prices for Iberia. According to our data, you can fly for as low as £327. Users have also found prices from £340 and £344 on Air Canada and KLM, respectively.

What is the cheapest day to fly from Portland to London Heathrow Airport?

Travellers seeking maximum savings on their Portland to London Heathrow Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Portland to London Heathrow Airport?

On average you can expect to pay £882 for a flight from Portland to London Heathrow Airport. The cheapest flight overall is £336 while the most popular route, (Portland - London Heathrow) is currently priced at £403.

What are the most reliable airlines from Portland to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to London Heathrow Airport on time: British Airways (88%), American Airlines (76%), Alaska Airlines (76%).

What are the most popular airlines that fly from Portland to London Heathrow Airport?

Consider American Airlines, British Airways or Icelandair when booking your flight. These represent the most popular airlines when flying from Portland to London Heathrow Airport.

What is the cheapest day to fly round-trip from Portland to London Heathrow Airport?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 288% when planning your travel around this day of the week.

How far in advance should I book a flight from Portland to London Heathrow Airport?

To save up to 1% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to London Heathrow Airport from £573 1-2 weeks out and tickets from £573 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portland to London Heathrow Airport?

January is one of the best times of the year to fly to London Heathrow Airport from Portland. Prices for January average £711 per person but you can even find prices for as low as £508. The most expensive prices can be found in the month of June. Opting for a January flight can save you 52% on your journey compared to booking in June

What airport do you fly from for flights from Portland to London Heathrow?

Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to London Heathrow. 5 airlines have flights from Portland to London Heathrow on a regular basis. Booking flights from Portland to London Heathrow should not be difficult; the airport handles an average of 2 outbound flights to London Heathrow per day.

Can I find deals for flights from Portland to Heathrow that include hotel bookings?

Yes. In addition to deals on Portland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portland to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Heathrow.

Can I find deals for business class flights from Portland to Heathrow?

Yes. Cheapflights offers flight deals from Portland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£223+ Flights from Portland to London Heathrow Airport

The best prices from Portland to London Heathrow are usually found in November or October, booked 65 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Portland to Heathrow

Round-trip from	£521
One-way from	£223
Popular in	June
Cheapest in	November
Average price	£607
Good round-trip deal	£429 or less
Good one-way deal	£472 or less

British Airways
19/2-26/2
Nonstop
19h 55m total
Portland to London

Search Deals

3/3
3 total stops
55h 32m total
Portland to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£161 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in January 2025

Search Deals

Price to beat on a round-trip flight from Portland to London Heathrow.

Search Deals

Price to beat on a one-way flight from Portland to London Heathrow.

Search Deals

Find flight deals from Portland to Heathrow

Cheapest flights from Portland to Heathrow
Explore the most affordable flight options available from Portland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Wed 19/218:30PDX - LHR

Nonstop9h 40mBritish Airways

Wed 26/214:20LHR - PDX

Nonstop10h 15mBritish Airways

Deal found 22/1£521

Tue 18/218:30PDX - LHR

Nonstop9h 40mFinnair

Tue 25/214:20LHR - PDX

Nonstop10h 15mFinnair

Deal found 21/1£524

Sun 12/1010:10PDX - LHR

1 stop19h 10mUnited Airlines

Tue 28/1014:30LHR - PDX

2 stops34h 35mUnited Airlines

Deal found 21/1£525

Tue 4/300:59PDX - LHR

1 stop22h 06mDelta

Thu 13/310:00LHR - PDX

1 stop33h 25mDelta

Deal found 21/1£525

Mon 21/419:25PDX - LHR

Nonstop9h 35mIberia

Mon 5/515:40LHR - PDX

Nonstop9h 55mIberia

Deal found 21/1£527

Tue 4/306:05PDX - LHR

2 stops16h 45mVirgin Atlantic

Tue 18/306:30LHR - PDX

1 stop12h 55mVirgin Atlantic

Deal found 21/1£529

Sun 12/1015:25PDX - LHR

1 stop13h 55mLufthansa

Wed 29/1006:30LHR - PDX

2 stops19h 06mLufthansa

Deal found 21/1£532

Tue 4/306:00PDX - LHR

2 stops17h 10mMultiple Airlines

Wed 12/306:30LHR - PDX

2 stops18h 54mMultiple Airlines

Deal found 21/1£536

Sun 12/1019:40PDX - LHR

1 stop33h 40mAir Canada

Wed 29/1013:00LHR - PDX

2 stops30h 27mAir Canada

Deal found 21/1£548

Sun 20/413:15PDX - LHR

1 stop13h 30mKLM

Fri 2/506:30LHR - PDX

1 stop12h 50mKLM

Deal found 21/1£551

Thu 25/915:20PDX - LHR

1 stop12h 35mIcelandair

Fri 10/1013:05LHR - PDX

1 stop12h 50mIcelandair

Deal found 20/1£577

Sun 12/1019:25PDX - LHR

Nonstop9h 35mAmerican Airlines

Mon 27/1014:30LHR - PDX

1 stop15h 43mAmerican Airlines

Deal found 21/1£583

Best flights from Portland to Heathrow
Discover carefully curated flight deals from Portland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 January 2025.

Wed 19/218:30PDX - LHR

Nonstop9h 40mBritish Airways

Wed 26/214:20LHR - PDX

Nonstop10h 15mBritish Airways

Deal found 22/1£521

Tue 18/218:30PDX - LHR

Nonstop9h 40mFinnair

Tue 25/214:20LHR - PDX

Nonstop10h 15mFinnair

Deal found 21/1£524

Tue 4/300:59PDX - LHR

1 stop22h 06mDelta

Thu 13/310:00LHR - PDX

1 stop33h 25mDelta

Deal found 21/1£525

Mon 21/419:25PDX - LHR

Nonstop9h 35mIberia

Mon 5/515:40LHR - PDX

Nonstop9h 55mIberia

Deal found 21/1£527

Mon 21/406:00PDX - LHR

1 stop23h 20mUnited Airlines

Mon 5/513:30LHR - PDX

2 stops33h 15mUnited Airlines

Deal found 21/1£528

Tue 4/306:05PDX - LHR

2 stops16h 45mVirgin Atlantic

Tue 18/306:30LHR - PDX

1 stop12h 55mVirgin Atlantic

Deal found 21/1£529

Mon 21/415:25PDX - LHR

2 stops55h 05mLufthansa

Mon 5/519:30LHR - PDX

2 stops31h 15mLufthansa

Deal found 21/1£532

Tue 18/306:00PDX - LHR

2 stops18h 10mAir Canada

Tue 15/409:30LHR - PDX

2 stops20h 40mAir Canada

Deal found 22/1£535

Tue 4/306:00PDX - LHR

2 stops17h 10mMultiple Airlines

Wed 12/306:30LHR - PDX

2 stops18h 54mMultiple Airlines

Deal found 21/1£536

Sun 20/413:15PDX - LHR

1 stop13h 30mKLM

Fri 2/506:30LHR - PDX

1 stop12h 50mKLM

Deal found 21/1£551

Fri 16/515:20PDX - LHR

1 stop12h 35mIcelandair

Sat 31/513:05LHR - PDX

1 stop12h 50mIcelandair

Deal found 22/1£595

Sun 16/218:30PDX - LHR

Nonstop9h 40mAmerican Airlines

Sun 23/214:20LHR - PDX

Nonstop10h 15mAmerican Airlines

Deal found 21/1£601

Direct flights from Portland to Heathrow
Explore direct flight options from Portland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 January 2025.

Wed 19/218:30PDX - LHR

Nonstop9h 40mBritish Airways

Wed 26/214:20LHR - PDX

Nonstop10h 15mBritish Airways

Deal found 22/1£521

Tue 18/218:30PDX - LHR

Nonstop9h 40mFinnair

Tue 25/214:20LHR - PDX

Nonstop10h 15mFinnair

Deal found 21/1£524

Mon 21/419:25PDX - LHR

Nonstop9h 35mIberia

Mon 5/515:40LHR - PDX

Nonstop9h 55mIberia

Deal found 21/1£527

Tue 11/218:30PDX - LHR

Nonstop9h 40mAmerican Airlines

Tue 18/214:20LHR - PDX

Nonstop10h 15mAmerican Airlines

Deal found 21/1£556

Wed 16/419:25PDX - LHR

Nonstop9h 35mMultiple Airlines

Wed 23/415:40LHR - PDX

Nonstop9h 55mMultiple Airlines

Deal found 22/1£615

Fri 7/318:30PDX - LHR

Nonstop9h 40mAlaska Airlines

Fri 14/314:20LHR - PDX

Nonstop10h 15mAlaska Airlines

Deal found 21/1£788

Last-minute flights from Portland to Heathrow
Discover last-minute flight deals from Portland to Heathrow. Data last updated 22 January 2025 and is based on user searches.

Sat 25/113:05PDX - LHR

2 stops21h 25mScandinavian Airlines

Mon 27/106:40LHR - PDX

2 stops24h 49mScandinavian Airlines

Deal found 21/1£525

Mon 27/113:00PDX - LHR

2 stops21h 30mScandinavian Airlines

Tue 4/206:40LHR - PDX

2 stops24h 49mScandinavian Airlines

Deal found 21/1£556

Mon 27/110:10PDX - LHR

2 stops15h 10mAir Canada

Tue 4/213:25LHR - PDX

2 stops28h 09mAir Canada

Deal found 20/1£557

Mon 27/113:00PDX - LHR

3 stops24h 35mMultiple Airlines

Tue 4/206:40LHR - PDX

3 stops24h 14mMultiple Airlines

Deal found 21/1£563

Mon 27/112:45PDX - LHR

1 stop14h 55mKLM

Tue 4/206:30LHR - PDX

1 stop12h 55mKLM

Deal found 21/1£639

Tue 28/106:05PDX - LHR

2 stops16h 45mVirgin Atlantic

Tue 4/206:30LHR - PDX

1 stop12h 55mVirgin Atlantic

Deal found 21/1£529

Tue 28/110:10PDX - LHR

1 stop16h 00mLufthansa

Sun 9/206:30LHR - PDX

2 stops19h 54mLufthansa

Deal found 21/1£1,403

Wed 29/106:05PDX - LHR

1 stop17h 00mDelta

Wed 12/206:30LHR - PDX

2 stops20h 24mDelta

Deal found 22/1£534

Sat 1/219:05PDX - LHR

1 stop31h 05mUnited Airlines

Sat 15/213:45LHR - PDX

1 stop15h 05mUnited Airlines

Deal found 22/1£583

Sat 1/214:31PDX - LHR

1 stop35h 09mBritish Airways

Sat 15/209:25LHR - PDX

1 stop16h 25mBritish Airways

Deal found 21/1£589

Sat 1/211:50PDX - LHR

2 stops23h 40mIcelandair

Sat 15/220:40LHR - PDX

2 stops30h 51mIcelandair

Deal found 21/1£4,607

Tue 4/215:25PDX - LHR

2 stops31h 45mAir Canada

Tue 11/215:00LHR - PDX

2 stops31h 44mAir Canada

Deal found 22/1£533

One-way flights from Portland to Heathrow
Search for one-way flight options from Portland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 January 2025.

Mon 3/321:18PDX - LHR

3 stops55h 32mMultiple Airlines

Deal found 21/1£223

Wed 19/218:30PDX - LHR

Nonstop9h 40mIberia

Deal found 21/1£327

Wed 19/310:10PDX - LHR

1 stop17h 00mAir Canada

Deal found 21/1£340

Tue 4/312:45PDX - LHR

1 stop13h 50mKLM

Deal found 21/1£344

Tue 4/318:30PDX - LHR

Nonstop9h 40mBritish Airways

Deal found 21/1£351

Sat 29/319:05PDX - LHR

1 stop34h 15mUnited Airlines

Deal found 20/1£352

Sat 29/300:59PDX - LHR

1 stop27h 16mDelta

Deal found 22/1£353

Fri 14/212:45PDX - LHR

1 stop13h 50mVirgin Atlantic

Deal found 21/1£362

Sun 16/319:30PDX - LHR

Nonstop9h 40mAmerican Airlines

Deal found 21/1£364

Fri 14/218:30PDX - LHR

Nonstop9h 40mFinnair

Deal found 21/1£384

Wed 21/515:20PDX - LHR

1 stop21h 00mIcelandair

Deal found 21/1£407

Sun 15/614:00PDX - LHR

1 stop14h 05mWestJet

Deal found 21/1£414

Find flights from Portland to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 19/2

18:30-12:10

Nonstop9h 40m

London Heathrow

Wed 26/2

14:20-16:35

Nonstop10h 15m

£521

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 18/2

18:30-12:10

Nonstop9h 40m

London Heathrow

Tue 25/2

14:20-16:35

Nonstop10h 15m

£524

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/3

00:59-07:05

1 stop22h 06m

London Heathrow

Thu 13/3

10:00-12:25

1 stop33h 25m

£525

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 21/4

19:25-13:00

Nonstop9h 35m

London Heathrow

Mon 5/5

15:40-17:35

Nonstop9h 55m

£527

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 21/4

15:25-13:20

1 stop13h 55m

London Heathrow

Mon 5/5

13:30-14:45

2 stops33h 15m

£528

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/3

06:05-06:50

2 stops16h 45m

London Heathrow

Tue 18/3

06:30-12:25

1 stop12h 55m

£529

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 21/4

15:25-06:30

2 stops55h 05m

London Heathrow

Mon 5/5

19:30-18:45

2 stops31h 15m

£532

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 18/3

06:00-07:10

2 stops18h 10m

London Heathrow

Tue 15/4

09:30-22:10

2 stops20h 40m

£535

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/3

06:00-07:10

2 stops17h 10m

London Heathrow

Wed 12/3

06:30-18:24

2 stops18h 54m

£536

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 20/4

13:15-10:45

1 stop13h 30m

London Heathrow

Fri 2/5

06:30-11:20

1 stop12h 50m

£551

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 30 results

Best time to book a flight from Portland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Portland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Heathrow

Get recent, data-driven insights about flights from Portland to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to London Heathrow Airport?

The best time to book flights from Portland to London Heathrow Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Portland to London Heathrow Airport (average of £112). Flying from Portland to London Heathrow Airport in August is currently the most expensive (average of £161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to LHR?

One of the essential ways to save on airfare from Portland to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with British Airways, Delta and United Airlines from Portland to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,521 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines

8.0

Very Good

9,707 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,286 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.5

Good

664 reviews

Delta

8.0

Very Good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Portland to London Heathrow?
Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to London Heathrow. 5 airlines have flights from Portland to London Heathrow on a regular basis. Booking flights from Portland to London Heathrow should not be difficult; the airport handles an average of 2 outbound flights to London Heathrow per day.
What are the cheapest airlines flying from Portland to London Heathrow Airport round-trip?
According to our current data, British Airways (£521), Finnair (£524), and Delta (£525) offers the cheapest pricing from Portland to London Heathrow Airport. These flights start at 28% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Portland to London Heathrow Airport one-way?
For one-way options, check prices for Iberia. According to our data, you can fly for as low as £327. Users have also found prices from £340 and £344 on Air Canada and KLM, respectively.
What are the most reliable airlines from Portland to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to London Heathrow Airport on time: British Airways (88%), American Airlines (76%), Alaska Airlines (76%).
What are the cheapest flights from Portland to London Heathrow Airport?
On average you can expect to pay £882 for a flight from Portland to London Heathrow Airport. The cheapest flight overall is £336 while the most popular route, (Portland - London Heathrow) is currently priced at £403.
Can I find deals for flights from Portland to Heathrow that include hotel bookings?
Yes. In addition to deals on Portland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portland to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Heathrow.
Can I find deals for business class flights from Portland to Heathrow?
Yes. Cheapflights offers flight deals from Portland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Portland to London Heathrow Airport (average of £112). Flying from Portland to London Heathrow Airport in August is currently the most expensive (average of £161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Deal

Hounslow

Gatwick

Croydon

Milton Keynes

Slough

Luton

Ilford

Hayes

Eastbourne

Northampton

Swindon

Maidstone

Crawley

Winchester

Southend-on-Sea

Wembley

Ipswich

Watford

Southall

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Portland to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£477	Average£2,622	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£479	Average£593	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
American Airlines	Cheapest£523	Average£766	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	Cheapest£548	Average£858	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£572	Average£848	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portland to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Portland.

Can Cheapflights find flights from Portland to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portland to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portland to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Portland to London Heathrow Airport from £223

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Portland to London Heathrow are usually found in November or October, booked 65 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Portland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portland to Heathrow

Cheapest flights from Portland to HeathrowExplore the most affordable flight options available from Portland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Explore the most affordable flight options available from Portland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Find flights from Portland to Heathrow within your budget

Best time to book a flight from Portland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Portland with our price prediction graph.

Travel insights for flights from Portland to Heathrow

Get recent, data-driven insights about flights from Portland to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Portland to Heathrow. Price data was last updated on 17 January 2025.

What is the cheapest month to book a flight from Portland to London Heathrow Airport?

What is the cheapest time of day to fly from PDX to LHR?

Find hourly flight availability from Portland to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 January 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with British Airways, Delta and United Airlines from Portland to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Portland to London Heathrow?

What are the cheapest airlines flying from Portland to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Portland to London Heathrow Airport one-way?

What are the most reliable airlines from Portland to London Heathrow Airport?

What are the cheapest flights from Portland to London Heathrow Airport?

Can I find deals for flights from Portland to Heathrow that include hotel bookings?

How can I find direct flights from Portland to Heathrow?

Can I find deals for business class flights from Portland to Heathrow?

What is the cheapest month to book a flight from Portland to London Heathrow Airport?

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Alternative routes for Portland to Heathrow

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Top 5 airlines flying from Portland to Heathrow

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Cheapest flights from Portland to Heathrow
Explore the most affordable flight options available from Portland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.