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

Cheapflights users have booked flights from Portland to London round-trip from £521. Other airlines that can offer you cheap pricing are Finnair, from £524, and Delta, from £525. British Airways is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

£327 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Air Canada and KLM, with prices starting from £340 and £344, respectively.

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

Travellers seeking maximum savings on their Portland to London 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 most popular routes from Portland to London?

When deciding which route to take from Portland to London consider Portland - London Heathrow, Portland - London Gatwick or Portland - London City as they are the most popular.

What are the cheapest flights from Portland to London?

Looking at all options, your cheapest flight can be booked for £336. While the most popular route (Portland - London Heathrow) can be booked for £403 on average our data indicates £882 when flying from Portland to London.

What are the most reliable airlines from Portland to London?

The top 3 most reliable airlines when flying from Portland to London are British Airways (88%), American Airlines (76%) and Alaska Airlines (76%).

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

The most popular airlines flying from Portland to London are American Airlines, British Airways and Icelandair. Something to consider prior to booking your flight.

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

Friday flights are found to be more expensive to fly from Portland to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

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 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?

January can be a great time to fly to London from Portland with a flight ticket averaging about £711. Cheapflights users have found deals in the month of January for as cheap as £508. The most expensive prices can be found in the month of June.

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

For a flight from Portland to London, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 2 outbound flights to London per day. 5 airlines have flights to London from Portland on a regular basis.

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

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

How can I find direct flights from Portland to London?

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

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

Yes. Cheapflights offers flight deals from Portland to London 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

The best prices from Portland to London are usually found in January or November, booked 23 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Portland to London

Round-trip from	£521
One-way from	£223
Popular in	June
Cheapest in	January
Average price	£564
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. 23% potential increase in price (£173 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% 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 (LON).

Search Deals

Price to beat on a one-way flight from Portland to London (LON).

Search Deals

Find flight deals from Portland to London

Cheapest flights from Portland to London
Explore the most affordable flight options available from Portland to London. 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 13/1015:20PDX - LGW

1 stop15h 20mIcelandair

Mon 20/1015:40LGW - PDX

1 stop34h 15mIcelandair

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

Sat 25/117:30PDX - LGW

1 stop33h 05mMultiple Airlines

Thu 30/112:00LGW - PDX

1 stop29h 21mMultiple Airlines

Deal found 21/1£534

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

Best flights from Portland to London
Discover carefully curated flight deals from Portland to London 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

Mon 24/220:28PDX - LGW

1 stop30h 07mMultiple Airlines

Wed 5/312:00LGW - PDX

1 stop19h 59mMultiple Airlines

Deal found 21/1£534

Tue 18/306:00PDX - LHR

2 stops18h 10mAir Canada

Tue 15/409:30LHR - PDX

2 stops20h 40mAir Canada

Deal found 22/1£535

Mon 12/515:20PDX - LGW

1 stop15h 20mIcelandair

Mon 16/615:40LGW - PDX

1 stop34h 15mIcelandair

Deal found 21/1£535

Sun 20/413:15PDX - LHR

1 stop13h 30mKLM

Fri 2/506:30LHR - PDX

1 stop12h 50mKLM

Deal found 21/1£551

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 London
Explore direct flight options from Portland to London 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 London
Discover last-minute flight deals from Portland to London. 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

Sat 25/117:30PDX - LGW

1 stop33h 05mMultiple Airlines

Thu 30/112:00LGW - PDX

1 stop29h 21mMultiple Airlines

Deal found 21/1£534

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 28/113:25PDX - LCY

1 stop12h 05mVirgin Atlantic

Sun 9/220:05LCY - PDX

2 stops35h 24mVirgin Atlantic

Deal found 21/1£612

Tue 28/107:35PDX - LCY

2 stops19h 15mBritish Airways

Tue 4/217:00LCY - PDX

2 stops36h 50mBritish Airways

Deal found 21/1£621

Tue 28/110:56PDX - LCY

2 stops17h 54mSWISS

Sun 9/219:20LCY - PDX

2 stops35h 37mSWISS

Deal found 21/1£634

Tue 28/107:35PDX - LGW

2 stops19h 00mMultiple Airlines

Sun 9/212:00LGW - PDX

1 stop29h 21mMultiple Airlines

Deal found 21/1£686

Wed 29/106:05PDX - LHR

1 stop17h 00mDelta

Wed 12/206:30LHR - PDX

2 stops20h 24mDelta

Deal found 22/1£534

One-way flights from Portland to London
Search for one-way flight options from Portland to London. 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

Sun 16/210:16PDX - LTN

3 stops51h 44mMultiple Airlines

Deal found 20/1£259

Sat 5/416:53PDX - LGW

2 stops30h 07mMultiple Airlines

Deal found 21/1£281

Sun 27/417:16PDX - STN

3 stops33h 24mMultiple Airlines

Deal found 21/1£288

Sat 5/409:40PDX - SEN

3 stops42h 30mMultiple Airlines

Deal found 21/1£314

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

Find flights from Portland to London 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 - LGW

PDXLGW

Portland

Mon 24/2

20:28-10:35

1 stop30h 07m

London Gatwick

Wed 5/3

12:00-23:59

1 stop19h 59m

£534

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 - LGW

PDXLGW

Portland

Mon 12/5

15:20-14:40

1 stop15h 20m

London Gatwick

Mon 16/6

15:40-17:55

1 stop34h 15m

£535

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 58 results

...

Best time to book a flight from Portland to London

Have a flexible travel schedule? Discover the best time to fly to London 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 London

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

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

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Portland to London (average of £112). Flying from Portland to London 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 LON?

When flying from Portland to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Read reviews from past customers who have flown British Airways, Delta and United Airlines from Portland to London. Users can see the overall rating for each airline as well as how each is rated 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.

SWISS

7.5

Good

1,600 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?
For a flight from Portland to London, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 2 outbound flights to London per day. 5 airlines have flights to London from Portland on a regular basis.
What are the cheapest airlines flying from Portland to London round-trip?
Cheapflights users have booked flights from Portland to London round-trip from £521. Other airlines that can offer you cheap pricing are Finnair, from £524, and Delta, from £525. British Airways is 26% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Portland to London one-way?
£327 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Air Canada and KLM, with prices starting from £340 and £344, respectively.
What are the most popular routes from Portland to London?
When deciding which route to take from Portland to London consider Portland - London Heathrow, Portland - London Gatwick or Portland - London City as they are the most popular.
What are the most reliable airlines from Portland to London?
The top 3 most reliable airlines when flying from Portland to London are British Airways (88%), American Airlines (76%) and Alaska Airlines (76%).
What are the cheapest flights from Portland to London?
Looking at all options, your cheapest flight can be booked for £336. While the most popular route (Portland - London Heathrow) can be booked for £403 on average our data indicates £882 when flying from Portland to London.
Can I find deals for flights from Portland to London that include hotel bookings?
Yes. In addition to deals on Portland to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portland to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to London.
Can I find deals for business class flights from Portland to London?
Yes. Cheapflights offers flight deals from Portland to London 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?
Currently, January is the cheapest month in which you can book a flight from Portland to London (average of £112). Flying from Portland to London 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

Maidstone

Crawley

Winchester

Southend-on-Sea

Wembley

Ipswich

Watford

Southall

Stansted

Sutton

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Portland to London

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

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

When you search for this flight from Portland to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portland to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to London, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Portland to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Portland to London 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 are usually found in January or November, booked 23 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Portland to London

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 London

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

Find flights from Portland to London within your budget

Best time to book a flight from Portland to London

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

Travel insights for flights from Portland to London

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

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

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

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

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

Find hourly flight availability from Portland to London. 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 London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Read reviews from past customers who have flown British Airways, Delta and United Airlines from Portland to London. Users can see the overall rating for each airline as well as how each is rated 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 London. 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?

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

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

What are the most popular routes from Portland to London?

What are the most reliable airlines from Portland to London?

What are the cheapest flights from Portland to London?

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

How can I find direct flights from Portland to London?

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

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

Travelling to a place near Portland?

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Alternative routes for Portland to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Portland to London

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