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£77+ Cheap flights from Portland

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — LHR
17 Apr — 24 Apr1
1 adult

What to know about flights from Portland

Discover essential information about flights departing from Portland, including flight schedules, destinations, airlines operating at the Portland airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 12 April 2025.

Cheapest airline

British Airways

Good round-trip deal

£132 or less

Good one-way deal

£121 or less
On average, British Airways currently has the cheapest one-way flight from Portland (avg. price of £513).
Price to beat on a round-trip flight from Portland.
Price to beat on a one-way flight from Portland.

Find flights from Portland

Cheapest flights from Portland
Explore the most affordable flight options available from Portland. Find the lowest fares based on data from user searches, with prices last updated on 12 April 2025.

Sat 4/1015:20PDX - GLA
1 stop14h 05mIcelandair
Tue 14/1014:20GLA - PDX
1 stop11h 35mIcelandair
Deal found 11/4£444
Wed 24/915:20PDX - LHR
1 stop12h 35mIcelandair
Fri 10/1013:05LHR - PDX
1 stop12h 50mIcelandair
Deal found 10/4£466
Mon 12/510:00PDX - LHR
1 stop19h 20mMultiple Airlines
Tue 20/514:05LHR - PDX
2 stops36h 40mMultiple Airlines
Deal found 11/4£467
Sun 4/506:00PDX - LHR
1 stop17h 25mUnited Airlines
Tue 20/514:05LHR - PDX
2 stops32h 43mUnited Airlines
Deal found 11/4£469
Sun 28/910:00PDX - LHR
2 stops17h 50mLufthansa
Tue 14/1006:30LHR - PDX
2 stops20h 16mLufthansa
Deal found 10/4£469
Tue 29/413:25PDX - GLA
2 stops19h 20mAmerican Airlines
Tue 6/508:45GLA - PDX
1 stop16h 50mAmerican Airlines
Deal found 11/4£471
Wed 1/1011:39PDX - LHR
1 stop17h 31mDelta
Fri 17/1006:30LHR - PDX
1 stop12h 50mDelta
Deal found 10/4£472
Sun 27/419:05PDX - LHR
2 stops32h 45mAir Canada
Tue 6/510:15LHR - PDX
2 stops16h 30mAir Canada
Deal found 12/4£475
Fri 2/506:00PDX - LGW
1 stop20h 55mMultiple Airlines
Fri 9/510:55LGW - PDX
1 stop29h 36mMultiple Airlines
Deal found 12/4£475
Wed 7/511:14PDX - LHR
1 stop15h 46mAmerican Airlines
Wed 14/515:40LHR - PDX
Nonstop9h 55mAmerican Airlines
Deal found 12/4£478
Mon 28/419:25PDX - LHR
Nonstop9h 35mIberia
Sun 4/515:40LHR - PDX
Nonstop9h 55mIberia
Deal found 11/4£479
Sat 20/923:59PDX - GLA
2 stops25h 21mBritish Airways
Fri 3/1012:00GLA - PDX
2 stops19h 04mBritish Airways
Deal found 11/4£479

Find flights from Portland within your budget

Find flights departing from Portland that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 4/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Tue 14/10

14:20-17:55

1 stop11h 35m

£444

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 24/9

15:20-11:55

1 stop12h 35m

London Heathrow

Sun 12/10

13:05-17:55

1 stop12h 50m

£466

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 12/5

10:00-13:20

1 stop19h 20m

London Heathrow

Tue 20/5

14:05-18:45

2 stops36h 40m

£467

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 4/5

06:00-07:25

1 stop17h 25m

London Heathrow

Tue 20/5

14:05-14:48

2 stops32h 43m

£469

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 28/9

10:00-11:50

2 stops17h 50m

London Heathrow

Tue 14/10

06:30-18:46

2 stops20h 16m

£469

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 29/4

13:25-16:45

2 stops19h 20m

Glasgow Intl

Tue 6/5

08:45-17:35

1 stop16h 50m

£471

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 1/10

11:39-13:10

1 stop17h 31m

London Heathrow

Fri 17/10

06:30-11:20

1 stop12h 50m

£472

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 27/4

19:05-11:50

2 stops32h 45m

London Heathrow

Tue 6/5

10:15-18:45

2 stops16h 30m

£475

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 2/5

06:00-10:55

1 stop20h 55m

London Gatwick

Fri 9/5

10:55-08:31

1 stop29h 36m

£475

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 7/5

11:14-11:00

1 stop15h 46m

London Heathrow

Wed 14/5

15:40-17:35

Nonstop9h 55m

£478

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 60 results
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Best time to book a flight from Portland

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

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

When is the best time to book a flight from Portland?

Use this chart to determine the optimal time to book a return flight from Portland to Heathrow. Price data was last updated on 4 April 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland. 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?

Currently, November is the cheapest month in which you can book a flight from Portland (average of £403). Flying from Portland in June will prove the most costly (average of £740). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Portland

Get insights into the airlines that provide service from Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Portland. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

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Direct flights from Oregon

Book a direct flight from one of these other cities located in Oregon.

Related info for your journey

Access useful and relevant information related to your journey from Portland. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 April 2025.
  • What are the most popular destinations to fly to from Portland?

    This month, the top selected destinations from Portland are Boston, Chicago, Austin. Throughout the year, Boston, Chicago, Atlanta are some of the top choices made by users flying from Portland.

  • What is the cheapest flight from Portland to anywhere?

    Users have flown out of Portland for as low as £60 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for £512 to fly from Portland.

  • What are the cheapest airlines flying from Portland to anywhere?

    Over the past few days, we've found that Frontier, Alaska Airlines, and British Airways have the cheapest prices from Portland. Frontier flights from Portland to San Francisco (£29), Alaska Airlines flights from Portland to Los Angeles (£98), and British Airways flights from Portland to London Heathrow (£400).

  • What is the cheapest premium economy flight from Portland?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Portland.
    Portland to Washington, D.C. Reagan-National Airport from £990
    Portland to San Francisco from £1,345
    Portland to London Heathrow Airport from £1,689
    Portland to Los Angeles from £1,788

  • What is the cheapest first class flight from Portland?

    If you’re looking for a cheap first-class flight from Portland, consider Phoenix. Prices start at £441 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Portland?

    At the present moment the cheapest month to fly from Portland is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Portland?

    Check out the cheapest flights from Portland to embark to:
    Travel from Portland to London from £423 round trip

  • How does Cheapflights help users find flights from Portland?

    When you search for this flight from Portland, 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 best flight for you.

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

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

  • Can Cheapflights find flights from Portland with no change fees?

    Certainly. Search results for flights from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, Cheapflights offers price alerts on flights from Portland so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland?

When you search for this flight from Portland, 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 best flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

Can Cheapflights find flights from Portland with no change fees?

Certainly. Search results for flights from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on flights from Portland so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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