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$364+ Cheap flights from London (LON) to Oregon

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PDX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from London to Oregon

Keep the following information in mind while searching for London to Oregon flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(Trip.com)

One-way from

$364
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$817

Good round-trip deal

$737 or less

Good one-way deal

$645 or less
Provider with most accurate pricing for London (LON)-Portland flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Portland flights.
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From London (LON) to Oregon
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One-way flight from London (LON) to Oregon
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Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from London (LON) to Oregon.
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Price to beat on a one-way flight from London (LON) to Oregon.
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Find flight deals from London to Oregon

Cheapest flights from London to Oregon
Explore the most affordable flight options available from London to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This ResecentrumGruppen deal was found by Cheapflights users on 11/4. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:55 amLGW - PDX
1 stop13h 05mIcelandair
Mon 12/82:45 pmPDX - LGW
1 stop12h 10mIcelandair
Deal found 11/4$691
This ResecentrumGruppen deal was found by Cheapflights users on 11/4. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:15 pmLHR - PDX
1 stop12h 45mIcelandair
Mon 12/82:45 pmPDX - LHR
1 stop12h 05mIcelandair
Deal found 11/4$695
This Gotogate deal was found by Cheapflights users on 11/4. 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 11/1711:55 amLGW - PDX
1 stop13h 05mIcelandair
Mon 12/12:45 pmPDX - LGW
1 stop12h 10mIcelandair
Deal found 11/4$706
This Gotogate deal was found by Cheapflights users on 11/6. 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 12/812:15 pmLHR - PDX
1 stop12h 45mIcelandair
Mon 12/152:45 pmPDX - LHR
1 stop12h 05mIcelandair
Deal found 11/6$709
This Gotogate deal was found by Cheapflights users on 11/6. 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 11/2412:15 pmLHR - PDX
1 stop12h 45mIcelandair
Tue 12/92:45 pmPDX - LHR
1 stop20h 45mIcelandair
Deal found 11/6$712
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/96:35 amLHR - BOI
2 stops34h 24mUnited Airlines
Mon 12/159:40 amBOI - LHR
1 stop17h 00mUnited Airlines
Deal found 11/6$720
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/87:30 amLHR - BOI
2 stops19h 13mUnited Airlines
Mon 12/156:20 amBOI - LHR
2 stops17h 20mUnited Airlines
Deal found 11/6$723
This oojo deal was found by Cheapflights users on 11/5. 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.
Tue 12/28:35 pmLHR - PDX
1 stop28h 25mIcelandair
Tue 12/92:45 pmPDX - LHR
1 stop20h 45mIcelandair
Deal found 11/5$728
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/96:35 amLHR - BOI
2 stops18h 32mUnited Airlines
Sun 12/145:25 pmBOI - LHR
1 stop33h 15mUnited Airlines
Deal found 11/6$731
This Gotogate deal was found by Cheapflights users on 11/6. 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 12/48:35 pmLHR - PDX
1 stop28h 25mIcelandair
Thu 12/112:45 pmPDX - LHR
1 stop20h 45mIcelandair
Deal found 11/6$733
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Mon 12/811:35 amLHR - BOI
1 stop13h 32mLufthansa
Mon 12/152:49 pmBOI - LHR
1 stop11h 51mLufthansa
Deal found 11/6$736
This Gotogate deal was found by Cheapflights users on 11/3. 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.
Fri 11/1412:15 pmLHR - PDX
1 stop12h 45mIcelandair
Mon 11/242:45 pmPDX - LHR
1 stop20h 45mIcelandair
Deal found 11/3$741

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Oregon 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 November 6, 2025.
Use the filters below to find and compare flights from London to Oregon that are best for you.

Fly from

London

Fly to

Oregon

Route

Depart

Return

Price

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 11/24

11:55 am-5:00 pm

1 stop13h 05m

Portland

Mon 12/8

2:45 pm-10:55 am

1 stop12h 10m

$706

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

6:35 am-9:59 am

2 stops34h 24m

Boise Air Term. Gowen Fld

Mon 12/15

9:40 am-9:40 am

1 stop17h 00m

$720

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

6:30 am-7:43 pm

2 stops20h 13m

Boise Air Term. Gowen Fld

Mon 12/15

10:40 am-9:40 am

1 stop16h 00m

$723

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 2/9

6:30 am-7:51 pm

2 stops20h 21m

Boise Air Term. Gowen Fld

Wed 2/18

10:53 am-7:25 am

1 stop13h 32m

$731

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 2/9

6:30 am-7:51 pm

2 stops20h 21m

Boise Air Term. Gowen Fld

Tue 2/17

2:40 pm-9:40 am

1 stop12h 00m

$731

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

6:35 am-6:07 pm

2 stops18h 32m

Boise Air Term. Gowen Fld

Sun 12/14

5:25 pm-9:40 am

1 stop33h 15m

$731

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 2/9

6:30 am-7:51 pm

2 stops20h 21m

Boise Air Term. Gowen Fld

Sun 2/15

12:16 pm-5:55 am

1 stop34h 39m

$743

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 4/20

7:25 am-7:16 pm

2 stops18h 51m

Boise Air Term. Gowen Fld

Thu 4/30

2:11 pm-12:20 pm

2 stops15h 09m

$744

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Sun 11/23

8:35 pm-5:00 pm

1 stop28h 25m

Portland

Thu 11/27

2:45 pm-10:50 am

1 stop12h 05m

$752

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Fri 11/21

11:55 am-5:00 pm

1 stop13h 05m

Portland

Sat 11/29

2:45 pm-10:55 am

1 stop12h 10m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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

Have a flexible travel schedule? Discover the best time to fly to Oregon from London 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 London to Oregon

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

Currently, December is the cheapest month in which you can book a flight from London to Oregon (average of $591). Flying from London to Oregon in July is currently the most expensive (average of $751). 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 LON to OR?

Find hourly flight availability from London to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from London to Oregon in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

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

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with American Airlines and British Airways from London to Oregon to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,040 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,040 reviews
American Airlines
7.2
Good
11,040 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
British Airways
6.7
Okay
7,500 reviews
American Airlines
7.2
Good
11,040 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from London to Oregon. 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 London to Oregon?

    A quick flight from London to Oregon can take about 13h 05m. Icelandair provides one of the quickest options available for as low as $706. There are 4921 mi between London and Oregon. This flight may include one or multiple stops.

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

    $506 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Virgin Atlantic and Delta, with prices starting from $558 and $609, respectively.

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

    The most popular route from London to Oregon is London Heathrow - Portland. You may also consider London Gatwick - Portland or London City - Portland.

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

    Consider American Airlines (59%), Alaska Airlines (59%) or Finnair (59%) when booking your flight. These represent the most reliable airlines when flying from London to Oregon.

  • What are the cheapest flights from London to Oregon?

    On average you can expect to pay $780 for a flight from London to Oregon. The cheapest flight overall is $622 while the most popular route, (London Heathrow - Portland) is currently priced at $686.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from London to Oregon (average of $591). Flying from London to Oregon in July is currently the most expensive (average of $751). 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

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Alternative routes for London to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from London to Oregon

Discover the top 3 airlines that operate flights from London to Oregon. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$707Average$823FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$715Average$906FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$737Average$1,264FlexibilityNo cancel feeOn-time71%

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