London

$296+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$546
(Priceline)

One-way from

$296
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$727

Good round-trip deal

$673 or less

Good one-way deal

$490 or less
From Oregon to London (LON)
One-way flight from Oregon to London (LON)
Highest demand for flights based on searches. 22% potential increase in price ($239 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Oregon to London (LON).
Price to beat on a one-way flight from Oregon to London (LON).

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 September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/228:46 amPDX - LHR
1 stop13h 39mBritish Airways
Fri 10/311:45 pmLHR - PDX
Nonstop10h 10mBritish Airways
Deal found 9/15$545
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:15 amPDX - LHR
2 stops21h 35mAir Canada
Wed 10/292:30 pmLHR - PDX
1 stop31h 15mAir Canada
Deal found 9/13$546
This Justfly.com deal was found by Cheapflights users on 9/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:50 amPDX - LHR
1 stop18h 00mAir Canada
Fri 12/51:25 pmLHR - PDX
2 stops27h 50mAir Canada
Deal found 9/14$547
This Icelandair deal was found by Cheapflights users on 9/14. 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.
Thu 11/202:45 pmPDX - LGW
1 stop12h 10mIcelandair
Fri 12/511:55 amLGW - PDX
1 stop13h 05mIcelandair
Deal found 9/14$547
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:07 pmPDX - LHR
1 stop12h 13mUnited Airlines
Wed 10/222:10 pmLHR - PDX
1 stop16h 51mUnited Airlines
Deal found 9/14$548
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:35 pmPDX - LHR
2 stops54h 05mUnited Airlines
Thu 10/162:10 pmLHR - PDX
1 stop32h 36mUnited Airlines
Deal found 9/13$549
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:07 pmPDX - LHR
1 stop12h 13mUnited Airlines
Wed 10/17:45 amLHR - PDX
2 stops20h 35mUnited Airlines
Deal found 9/14$550
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:30 amPDX - LHR
2 stops21h 40mUnited Airlines
Tue 10/212:10 pmLHR - PDX
1 stop32h 36mUnited Airlines
Deal found 9/15$551
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:25 pmPDX - LHR
Nonstop9h 35mBritish Airways
Wed 10/228:20 amLHR - PDX
1 stop16h 44mBritish Airways
Deal found 9/14$552
This Delta deal was found by Cheapflights users on 9/15. 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 9/227:15 amPDX - LHR
1 stop15h 10mDelta
Fri 10/36:15 amLHR - PDX
2 stops18h 55mDelta
Deal found 9/15$553
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 10/149:55 amPDX - LGW
2 stops26h 20mMultiple Airlines
Tue 10/218:35 pmLGW - PDX
2 stops30h 11mMultiple Airlines
Deal found 9/14$553
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:25 pmPDX - LHR
Nonstop9h 35mAmerican Airlines
Wed 10/222:25 pmLHR - PDX
1 stop16h 41mAmerican Airlines
Deal found 9/14$554

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 September 15, 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 - LHR

PDXLHR

Portland

Wed 10/22

6:15 am-1:20 pm

1 stop23h 05m

London Heathrow

Fri 10/31

6:50 am-8:29 pm

2 stops20h 39m

$546

PortlandLondon

PDX - LGW

PDXLGW

Portland

Thu 11/20

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Sun 12/7

11:55 am-5:00 pm

1 stop13h 05m

$547

PortlandLondon

PDX - LGW

PDXLGW

Portland

Thu 11/20

2:45 pm-10:55 am

1 stop12h 10m

London Gatwick

Fri 12/5

11:55 am-5:00 pm

1 stop13h 05m

$547

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 10/8

7:30 am-7:25 am

1 stop15h 55m

London Heathrow

Wed 10/22

2:10 pm-6:46 pm

1 stop12h 36m

$551

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 2/9

6:15 am-7:05 am

1 stop16h 50m

London Heathrow

Wed 2/18

6:30 am-11:25 am

1 stop12h 55m

$552

PortlandLondon

PDX - LHR

PDXLHR

Portland

Thu 11/20

2:45 pm-7:30 pm

1 stop20h 45m

London Heathrow

Thu 12/4

8:35 pm-5:00 pm

1 stop28h 25m

$553

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 10/14

9:55 am-2:20 pm

2 stops20h 25m

London Stansted

Tue 10/21

9:25 pm-6:46 pm

2 stops29h 21m

$555

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 10/14

9:55 am-12:35 pm

2 stops18h 40m

London Luton

Tue 10/21

9:50 pm-6:46 pm

2 stops28h 56m

$558

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 3/2

9:50 am-11:50 am

1 stop18h 00m

London Heathrow

Mon 3/16

11:05 am-8:25 pm

2 stops40h 20m

$559

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 11/18

10:52 am-5:50 pm

2 stops22h 58m

London Gatwick

Mon 12/8

6:40 pm-10:15 pm

2 stops35h 35m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from Oregon to London (average of $661). Flying from Oregon to London in June is currently the most expensive (average of $1,097). 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 September 15, 2025.

When flying from Oregon to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to London

Explore weekly flight availability from Oregon to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 United Airlines, Icelandair, and KLM 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 55m. 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 $359 on Scandinavian Airlines. Other airlines that offer cheap prices include WestJet from $379 and United Airlines from $394 one-way.

  • What are the most popular routes 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 (77%), Alaska Airlines (77%) or Aer Lingus (77%) 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 $376. While the most popular route (Portland - London Heathrow) can be booked for $490 on average, our data indicates $1,160 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, November is the cheapest month in which you can book a flight from Oregon to London (average of $661). Flying from Oregon to London in June is currently the most expensive (average of $1,097). 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
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to London

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

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$490Average$759FlexibilityNo cancel feeOn-time76%
DeltaCheapest$554Average$1,040FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$561Average$669FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$567Average$935FlexibilityNo cancel feeOn-time72%
IberiaCheapest$578Average$778FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$595Average$844FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$623Average$1,002FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$628Average$1,204FlexibilityNo cancel feeOn-time71%
FinnairCheapest$641Average$818FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$704Average$967FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.