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Latest Flight Deals from Portland to London

Book one-way or return flights from Portland to London from as little as AU$ 331. Choose from the popular airlines below and book your flight today!

  • One way
  • Return
      • PDX14:00
        14h 5m
        1 stop
        LHR12:05
        Wed, May 8|Portland - London|WestJet
        AU$ 331AU$ 640
        48% OFF
        48% OFF
        AU$ 640AU$ 331
      • PDX08:15
        19h 50m
        1 stop
        LHR12:05
        Sun, May 26|Portland - London|WestJet
        AU$ 374AU$ 640
        42% OFF
        42% OFF
        AU$ 640AU$ 374
      • PDX14:00
        14h
        1 stop
        LHR12:00
        Sat, May 4|Portland - London|WestJet
        AU$ 394AU$ 640
        39% OFF
        39% OFF
        AU$ 640AU$ 394
      • PDX08:07
        21h 23m
        1 stop
        LGW13:30
        Sat, May 4|Portland - London|Alaska Airlines
        AU$ 403
        AU$ 403
      • PDX08:45
        18h 20m
        1 stop
        LHR11:05
        Sun, Apr 28|Portland - London|American Airlines
        AU$ 424
        AU$ 424
      • PDX22:41
        30h 49m
        1 stop
        LGW13:30
        Tue, Apr 30|Portland - London|United Airlines
        AU$ 462
        AU$ 462
      • PDX06:00
        20h 55m
        1 stop
        LGW10:55
        Wed, Jul 17|Portland - London|Alaska Airlines
        AU$ 479
        AU$ 479
      • PDX22:40
        30h 50m
        1 stop
        LGW13:30
        Fri, May 3|Portland - London|United Airlines
        AU$ 483
        AU$ 483
      • PDX06:20
        16h 5m
        1 stop
        LHR06:25
        Fri, May 3|Portland - London|American Airlines
        AU$ 487
        AU$ 487
      • PDX13:19
        15h 31m
        1 stop
        LHR12:50
        Thu, May 2|Portland - London|American Airlines
        AU$ 487
        AU$ 487
      • PDX13:00
        3h 5m
        Direct
        LON14:00
        Fri, May 3|Portland - London|WestJet
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Portland to London? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Portland to London. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Portland to London

View airlines operating flights from Portland to London. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet
From AU$ 330
Frontier Airlines
From AU$ 332
Alaska Airlines
From AU$ 403
American Airlines
From AU$ 424
United Airlines
From AU$ 457
Jetblue Airways
From AU$ 499
Spirit Airlines
From AU$ 510
Delta Air Lines
From AU$ 547
KLM
From AU$ 547
Air France
From AU$ 577
ANA airlines

Find more flights and airlines

Alternative Routes from Portland to London

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to London.

  • Cheapest
    WestJet
    PDX
    14:00
    14h 5m
    1 transfer
    LHR
    12:05
    Portland International Airport - London Heathrow Airport
    Wed, May 8WestJet
    AU$ 331
  • Frontier Airlines
    PDX
    13:31
    37h 24m
    2 transfer
    LGW
    10:55
    Portland International Airport - London Gatwick Airport
    Sat, Apr 27Frontier Airlines
    AU$ 332
  • WestJet
    PDX
    14:00
    34h 20m
    2 transfer
    LTN
    08:20
    Portland International Airport - London Luton Airport
    Mon, May 27WestJet
    AU$ 425
  • WestJet
    PDX
    14:00
    34h 20m
    2 transfer
    LTN
    08:20
    Portland International Airport - London Luton Airport
    Mon, May 27WestJet
    AU$ 425
    Find More Flights

How do I find the cheapest flights?

  • When are flight from Portland (PDX) to London (LON) the cheapest?

    Airlines adjust prices for flights from Portland to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Portland (PDX) to London (LON) cost?

    According to Trip.com's data, the lowest price is around AU$ 1,895.

  • How long is the flights from Portland (PDX) to London (LON)?

    It takes about 9 hours 29 minutes to fly from Portland (PDX) to London (LON).

  • What is the transportation method from the main airport to downtown in London?

    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from London Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.

  • What time does the latest flight from Portland to London depart?

    The latest flight departs from Portland (PDX) at 19:15 and arrives in London (LHR) at 12:45.

  • What are the most popular airlines that fly from Portland (PDX) to London (LON)?

    Airlines with flights from Portland (PDX) to London (LON): American Airlines, Finnair, Iberia, British Airways and Aer Lingus.

  • What's the most popular airline for direct flights from Portland (PDX) to London (LON)?

    Finnair operates 1 direct flights from Portland (PDX) to London (LON).

  • How many airports in London (LON)?

How to find a cheap flight from Portland to London

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to London. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Portland to London

Cheapest direct flight price

AU$ 330

Cheapest return ticket price

AU$ 1,081

Off-season for travel

April

Peak season for travel

October

Flight distance

7,895.85km

Average flight time

9 hours 29 minutes

Popular airline

United Airlines

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