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$258+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap 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 March 22, 2026.

This oojo deal was found by Cheapflights users on 3/17. 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 10/33:30 pm
PDX
-
LGW
1 stop15h 10m
Icelandair
Thu 10/153:40 pm
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 3/17$667
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/203:30 pm
PDX
-
STN
2 stops19h 20m
Multiple Airlines
Mon 4/278:15 am
STN
-
PDX
2 stops17h 45m
Multiple Airlines
Deal found 3/21$676
This Mytrip deal was found by Cheapflights users on 3/17. 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 4/143:30 pm
PDX
-
LGW
2 stops20h 40m
Multiple Airlines
Tue 4/219:15 pm
LGW
-
PDX
3 stops28h 45m
Multiple Airlines
Deal found 3/17$676
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/273:30 pm
PDX
-
LGW
2 stops20h 40m
Multiple Airlines
Tue 5/128:50 am
LGW
-
PDX
3 stops32h 40m
Multiple Airlines
Deal found 3/21$677
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:30 pm
PDX
-
STN
2 stops24h 50m
Multiple Airlines
Wed 5/67:45 am
STN
-
PDX
3 stops33h 45m
Multiple Airlines
Deal found 3/20$678
This Mytrip deal was found by Cheapflights users on 3/17. 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 4/143:30 pm
PDX
-
LTN
3 stops22h 40m
Multiple Airlines
Tue 4/219:15 am
LTN
-
PDX
3 stops31h 55m
Multiple Airlines
Deal found 3/17$679
This oojo deal was found by Cheapflights users on 3/17. 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 9/123:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Fri 9/251:05 pm
LHR
-
PDX
1 stop12h 50m
Icelandair
Deal found 3/17$681
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/203:30 pm
PDX
-
LGW
3 stops21h 05m
Multiple Airlines
Mon 4/279:20 am
LGW
-
PDX
2 stops16h 40m
Multiple Airlines
Deal found 3/21$684
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:30 pm
PDX
-
LTN
3 stops25h 40m
Multiple Airlines
Wed 5/69:40 am
LTN
-
PDX
3 stops31h 50m
Multiple Airlines
Deal found 3/20$690
This Mytrip deal was found by Cheapflights users on 3/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:30 pm
PDX
-
LTN
2 stops16h 00m
Multiple Airlines
Mon 5/48:15 am
LTN
-
PDX
2 stops17h 45m
Multiple Airlines
Deal found 3/22$691
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Mon 4/203:30 pm
PDX
-
LHR
2 stops16h 55m
Multiple Airlines
Mon 4/277:05 am
LHR
-
PDX
2 stops18h 55m
Multiple Airlines
Deal found 3/21$691
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:30 pm
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 10/298:35 pm
LHR
-
PDX
1 stop28h 25m
Icelandair
Deal found 3/17$693

Find flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$676
(Mytrip)

One-way from

$258
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$691

Good round-trip deal

$798 or less

Good one-way deal

$455 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. 22% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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

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 March 22, 2026.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 4/20

3:30 pm-1:10 am

3 stops25h 40m

London Luton

Wed 5/6

9:40 am-9:30 am

3 stops31h 50m

$690

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/14

3:30 pm-11:45 pm

3 stops24h 15m

London Luton

Tue 4/21

9:15 am-9:10 am

3 stops31h 55m

$737

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 4/27

3:30 pm-1:10 am

3 stops25h 40m

London Luton

Tue 5/12

9:45 am-9:30 am

3 stops31h 45m

$781

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 4/6

3:30 pm-10:05 pm

2 stops22h 35m

London Luton

Mon 4/20

9:15 am-9:10 am

3 stops31h 55m

$807

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 4/14

3:30 pm-3:30 pm

2 stops16h 00m

London Luton

Fri 4/17

9:15 am-9:10 am

3 stops31h 55m

$829

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 5/4

9:05 am-3:35 pm

1 stop22h 30m

London Heathrow

Wed 5/20

6:30 am-5:15 pm

2 stops18h 45m

$841

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 5/2

11:15 pm-7:10 am

1 stop23h 55m

London Heathrow

Tue 5/12

6:30 am-11:10 am

1 stop12h 40m

$844

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 4/15

1:05 pm-4:40 pm

1 stop19h 35m

London City

Wed 4/22

9:20 am-6:52 pm

2 stops17h 32m

$870

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 4/27

1:05 pm-9:30 am

1 stop12h 25m

London City

Tue 5/12

8:25 am-10:02 pm

2 stops21h 37m

$872

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/21

3:30 pm-11:55 am

1 stop12h 25m

London Heathrow

Mon 5/4

1:05 pm-6:00 pm

1 stop12h 55m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Oregon to London (average of $491). Flying from Oregon to London in July is currently the most expensive (average of $746). 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 March 22, 2026.

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.

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 Delta, Virgin Atlantic, and Icelandair fly from Oregon to London in about 12h 25m. The time it takes to get you to your destination can typically vary by up to 10h 05m. The distance between Oregon and London is about 4896 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 $192 on Icelandair. Other airlines that offer cheap prices include Virgin Atlantic from $378 and Air Canada from $394 one-way.

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

    While some choose either Portland - London Gatwick or Portland - London Stansted, 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 $278. While the most popular route (Portland - London Heathrow) can be booked for $701 on average, our data indicates $1,482 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, March is the cheapest month in which you can book a flight from Oregon to London (average of $491). Flying from Oregon to London in July is currently the most expensive (average of $746). 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
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

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.

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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$364Average$1,049FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$489Average$662FlexibilityNo cancel feeOn-time76%
DeltaCheapest$558Average$966FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$561Average$659FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$579Average$804FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$579Average$834FlexibilityNo cancel feeOn-time70%
IberiaCheapest$589Average$923FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$600Average$1,101FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$607Average$988FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$630Average$939FlexibilityNo cancel feeOn-time67%

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