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$290+ Cheap flights from Oregon to London (LON)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$558
(oojo)

One-way from

$290
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$656

Good round-trip deal

$717 or less

Good one-way deal

$575 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Portland-London (LON) flights.
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From Oregon to London (LON)
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One-way flight from Oregon to London (LON)
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Highest demand for flights based on searches. 22% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Oregon to London (LON).
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Price to beat on a one-way flight from Oregon to London (LON).
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Find flight deals from Oregon to London

Cheapest flights from Oregon to London
Explore the most affordable flight options available from Oregon to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Icelandair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:45 pmPDX - LGW
1 stop12h 10mIcelandair
Mon 11/1711:55 amLGW - PDX
1 stop13h 05mIcelandair
Deal found 10/27$540
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/82:45 pmPDX - LHR
1 stop12h 05mIcelandair
Thu 11/138:35 pmLHR - PDX
1 stop28h 25mIcelandair
Deal found 10/30$543
This KAYAK deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:45 pmPDX - LHR
1 stop20h 45mIcelandair
Mon 11/1712:15 pmLHR - PDX
1 stop12h 45mIcelandair
Deal found 10/27$544
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:45 pmPDX - STN
2 stops24h 35mMultiple Airlines
Mon 12/88:30 amSTN - PDX
2 stops16h 30mMultiple Airlines
Deal found 10/28$564
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:45 pmPDX - LTN
2 stops17h 15mMultiple Airlines
Mon 12/88:50 amLTN - PDX
2 stops16h 10mMultiple Airlines
Deal found 10/28$575
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:45 pmPDX - LHR
Nonstop9h 35mBritish Airways
Wed 11/191:45 pmLHR - PDX
Nonstop10h 10mBritish Airways
Deal found 10/28$579
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:40 amPDX - LHR
1 stop22h 25mDelta
Fri 11/216:30 amLHR - PDX
1 stop12h 55mDelta
Deal found 10/29$583
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:45 pmPDX - LHR
1 stop12h 15mDelta
Wed 2/186:30 amLHR - PDX
1 stop12h 55mDelta
Deal found 10/28$586
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:30 amPDX - LHR
2 stops17h 35mDelta
Fri 11/146:30 amLHR - PDX
1 stop12h 55mDelta
Deal found 10/27$587
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:50 amPDX - LHR
2 stops16h 20mMultiple Airlines
Wed 12/36:30 amLHR - PDX
2 stops20h 00mMultiple Airlines
Deal found 10/29$588
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:45 pmPDX - LHR
Nonstop9h 35mBritish Airways
Tue 12/93:00 pmLHR - PDX
1 stop16h 23mBritish Airways
Deal found 10/28$589
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amEUG - LHR
1 stop19h 30mDelta
Thu 11/206:20 amLHR - EUG
2 stops25h 35mDelta
Deal found 10/28$591

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Oregon

Fly to

London

Route

Depart

Return

Price

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 11/4

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Mon 11/17

11:55 am-5:00 pm

1 stop13h 05m

$540

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 11/4

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Mon 11/10

11:55 am-5:00 pm

1 stop13h 05m

$540

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 11/4

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Fri 11/14

11:55 am-5:00 pm

1 stop13h 05m

$540

PortlandLondon

PDX - LTN

PDXLTN

Portland

Thu 12/4

2:45 pm-4:00 pm

2 stops17h 15m

London Luton

Mon 12/8

8:50 am-5:00 pm

2 stops16h 10m

$575

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 11/3

12:40 am-7:05 am

1 stop22h 25m

London Heathrow

Fri 11/21

6:30 am-11:25 am

1 stop12h 55m

$583

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 11/2

12:40 am-7:05 am

1 stop22h 25m

London Heathrow

Fri 11/14

6:30 am-11:25 am

1 stop12h 55m

$583

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 11/5

1:25 pm-10:00 am

1 stop12h 35m

London Heathrow

Fri 11/14

6:30 am-11:25 am

1 stop12h 55m

$583

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 12/31

12:00 pm-8:45 am

1 stop12h 45m

London Heathrow

Fri 2/20

6:30 am-11:25 am

1 stop12h 55m

$586

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 1/14

10:24 am-6:30 pm

2 stops24h 06m

London Heathrow

Thu 1/29

6:40 am-10:24 pm

2 stops23h 44m

$588

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 2/17

1:43 pm-11:40 am

1 stop14h 57m

London Heathrow

Thu 2/26

6:20 am-4:26 pm

2 stops17h 06m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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

Have a flexible travel schedule? Discover the best time to fly to London from Oregon with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Oregon to London

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

Currently, October is the cheapest month in which you can book a flight from Oregon to London (average of $525). Flying from Oregon to London in June is currently the most expensive (average of $774). 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 OR to LON?

Find hourly flight availability from Oregon 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 October 30, 2025.

It’s optimal to fly from Oregon to London in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Oregon to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to London flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Oregon to London?

Related info for your journey

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

  • How long is the flight from Oregon to London?

    Airlines like Icelandair, Delta, and Virgin Atlantic fly from Oregon to London in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 10h 15m. The distance between Oregon and London is about 4921 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $339 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $344 and United Airlines from $424 one-way.

  • What are the most popular routes from Oregon to London?

    While some choose either Portland - London Gatwick or Portland - London City, Portland - London Heathrow is the most popular route from Oregon to London.

  • What are the most reliable airlines from Oregon to London?

    No one likes to see their flight delayed. When booking a flight from Oregon to London consider choosing American Airlines (82%), Alaska Airlines (82%) or Aer Lingus (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to London?

    Looking at all options, your cheapest flight can be booked for $414. While the most popular route (Portland - London Heathrow) can be booked for $493 on average, our data indicates $1,428 when flying from Oregon to London.

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

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

  • How can I find direct flights from Oregon to London?

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to London?

    Currently, October is the cheapest month in which you can book a flight from Oregon to London (average of $525). Flying from Oregon to London in June is currently the most expensive (average of $774). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Oregon to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Oregon to London

Discover the top 10 airlines that operate flights from Oregon to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$493Average$760FlexibilityNo cancel feeOn-time76%
DeltaCheapest$552Average$1,031FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$561Average$669FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$567Average$946FlexibilityNo cancel feeOn-time72%
IberiaCheapest$577Average$789FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$594Average$846FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$600Average$1,408FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$619Average$1,019FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$632Average$1,342FlexibilityNo cancel feeOn-time71%
FinnairCheapest$645Average$942FlexibilityNo cancel feeOn-time76%

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