HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$277+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(Iberia)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$721

Good round-trip deal

$731 or less

Good one-way deal

$519 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Search Deals
From Oregon to London (LON)
Search Deals
One-way flight from Oregon to London (LON)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Oregon to London (LON).
Search Deals
Price to beat on a one-way flight from Oregon to London (LON).
Search Deals

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 February 22, 2025.

This Iberia deal was found by Cheapflights users on 2/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/65:31 amPDX - LHR
1 stop16h 54mIberia
Tue 4/223:40 pmLHR - PDX
Nonstop9h 55mIberia
Deal found 2/22$608
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Thu 5/17:40 pmPDX - LHR
1 stop33h 40mMultiple Airlines
Thu 5/86:00 amLHR - PDX
2 stops20h 45mMultiple Airlines
Deal found 2/20$609
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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 10/222:21 pmPDX - LHR
1 stop14h 09mBritish Airways
Fri 10/312:20 pmLHR - PDX
Nonstop10h 15mBritish Airways
Deal found 2/21$613
This Air Canada deal was found by Cheapflights users on 2/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2810:10 amPDX - LHR
2 stops15h 50mAir Canada
Thu 5/88:40 amLHR - PDX
2 stops18h 05mAir Canada
Deal found 2/22$616
This United deal was found by Cheapflights users on 2/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:15 amPDX - LHR
1 stop23h 05mUnited Airlines
Tue 5/69:30 amLHR - PDX
2 stops37h 28mUnited Airlines
Deal found 2/21$621
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/283:25 pmPDX - LHR
1 stop13h 55mLufthansa
Tue 5/66:30 amLHR - PDX
2 stops20h 15mLufthansa
Deal found 2/20$623
This Mytrip deal was found by Cheapflights users on 2/21. 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 2/268:28 pmPDX - LGW
1 stop30h 07mMultiple Airlines
Tue 3/412:00 pmLGW - PDX
1 stop15h 31mMultiple Airlines
Deal found 2/21$629
This Delta deal was found by Cheapflights users on 2/22. 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.
Tue 3/1812:36 pmPDX - LHR
1 stop14h 59mDelta
Tue 4/156:15 amLHR - PDX
2 stops18h 06mDelta
Deal found 2/22$640
This oojo deal was found by Cheapflights users on 2/20. 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.
Mon 11/242:45 pmPDX - LGW
1 stop12h 10mIcelandair
Fri 11/2811:55 amLGW - PDX
1 stop13h 05mIcelandair
Deal found 2/20$647
This oojo deal was found by Cheapflights users on 2/21. 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.
Mon 10/273:45 pmPDX - LHR
1 stop12h 05mIcelandair
Wed 11/512:15 pmLHR - PDX
1 stop12h 45mIcelandair
Deal found 2/21$650
This KLM deal was found by Cheapflights users on 2/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/43:10 pmPDX - LHR
1 stop15h 05mKLM
Wed 5/216:30 amLHR - PDX
1 stop12h 50mKLM
Deal found 2/22$654
This Booking.com deal was found by Cheapflights users on 2/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/61:15 pmPDX - LCY
1 stop11h 35mVirgin Atlantic
Tue 4/227:00 pmLCY - PDX
1 stop24h 20mVirgin Atlantic
Deal found 2/22$670

Find flights from Oregon to London within your budget

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 February 22, 2025.

Fly from

Oregon

Fly to

London

Route

Depart

Return

Price

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 4/6

5:31 am-6:25 am

1 stop16h 54m

London Heathrow

Tue 4/22

3:40 pm-5:35 pm

Nonstop9h 55m

$608

PortlandLondon

PDX - LHR

PDXLHR

Portland

Thu 5/1

7:40 pm-1:20 pm

1 stop33h 40m

London Heathrow

Thu 5/8

6:00 am-6:45 pm

2 stops20h 45m

$609

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/28

10:10 am-10:00 am

2 stops15h 50m

London Heathrow

Thu 5/8

8:40 am-6:45 pm

2 stops18h 05m

$616

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 5/2

6:15 am-1:20 pm

1 stop23h 05m

London Heathrow

Tue 5/6

9:30 am-2:58 pm

2 stops37h 28m

$621

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/28

3:25 pm-1:20 pm

1 stop13h 55m

London Heathrow

Tue 5/6

6:30 am-6:45 pm

2 stops20h 15m

$623

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/7

1:57 pm-12:30 pm

1 stop14h 33m

London Heathrow

Wed 4/30

6:15 am-11:02 pm

2 stops24h 47m

$628

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/7

6:50 pm-6:20 am

2 stops27h 30m

London Gatwick

Wed 4/30

9:45 am-1:07 pm

2 stops35h 22m

$633

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 3/18

12:36 pm-10:35 am

1 stop14h 59m

London Heathrow

Tue 4/15

6:15 am-4:21 pm

2 stops18h 06m

$640

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 5/4

3:10 pm-2:15 pm

1 stop15h 05m

London Heathrow

Wed 5/21

6:30 am-11:20 am

1 stop12h 50m

$654

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 4/6

1:15 pm-8:50 am

1 stop11h 35m

London City

Tue 4/22

7:00 pm-11:20 am

1 stop24h 20m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Oregon to London

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

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 $1,136). 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 February 22, 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.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated February 22, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from Oregon to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

Delta
8.0
Very good
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

Alaska Airlines
8.0
Very good
9,702 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

KLM
7.8
Good
1,332 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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.

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.

  • 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 $389 on WestJet. Other airlines that offer cheap prices include Icelandair from $394 and Air Canada from $435 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 British Airways (91%), American Airlines (82%) or Alaska Airlines (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 $416. While the most popular route (Portland - London Heathrow) can be booked for $528 on average our data indicates $1,682 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 $1,136). 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 Oregon?

Book flights to Oregon if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Gatwick
Milton Keynes
Dover
Orpington
Watford
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Newark to London City flights
Stewart to Stansted flights
Dallas/Fort Worth to Heathrow flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Hobby to Heathrow flights
John F Kennedy Intl to Luton flights
Miami to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Los Angeles to London City flights
Orlando to Heathrow flights
Dulles Intl to London City flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Edinburgh flights
LaGuardia to Gatwick flights
San Francisco to London City flights
Boston to Stansted flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Baltimore to Gatwick flights
George Bush Intcntl to Heathrow flights
Newark to Edinburgh flights
Austin to Heathrow flights
Philadelphia to Heathrow flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
O'Hare Intl to London City flights
Stewart to Luton flights
Sky Harbor Intl to Heathrow flights
Tampa to Heathrow flights
Charlotte to Heathrow flights
Seattle to Gatwick flights
Newark to Luton flights
Reagan-National to Gatwick flights

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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$492Average$868FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$539Average$901FlexibilityNo cancel feeOn-time71%
IberiaCheapest$600Average$799FlexibilityNo cancel feeOn-time77%
DeltaCheapest$610Average$976FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$613Average$949FlexibilityNo cancel feeOn-time67%
KLMCheapest$617Average$981FlexibilityNo cancel feeOn-time75%
FinnairCheapest$629Average$788FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$639Average$970FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$640Average$957FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$652Average$977FlexibilityNo cancel feeOn-time72%
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.