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$398+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PDX
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
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Cheap 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 June 13, 2026.

This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 9/167:30 am
LHR
-
EUG
2 stops20h 55m
United Airlines
Tue 9/221:57 pm
EUG
-
LHR
2 stops22h 43m
United Airlines
Deal found 6/13$806
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/57:30 am
LHR
-
EUG
2 stops21h 14m
United Airlines
Mon 10/196:00 am
EUG
-
LHR
2 stops40h 30m
United Airlines
Deal found 6/12$808
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/53:05 pm
LHR
-
MFR
2 stops28h 57m
United Airlines
Mon 10/196:28 pm
MFR
-
LHR
2 stops28h 02m
United Airlines
Deal found 6/12$833
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/47:40 am
LHR
-
BOI
2 stops23h 19m
United Airlines
Sun 11/810:39 am
BOI
-
LHR
2 stops37h 51m
United Airlines
Deal found 6/11$836
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/141:05 pm
LHR
-
EUG
2 stops30h 38m
United Airlines
Sun 9/272:15 pm
EUG
-
LHR
2 stops22h 25m
United Airlines
Deal found 6/11$836
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 9/1511:25 am
LHR
-
EUG
1 stop17h 52m
United Airlines
Wed 9/237:15 am
EUG
-
LHR
2 stops21h 20m
United Airlines
Deal found 6/13$838
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 11/129:00 am
LHR
-
MFR
2 stops22h 09m
United Airlines
Mon 11/162:03 pm
MFR
-
LHR
2 stops33h 07m
United Airlines
Deal found 6/11$842
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/2711:10 am
LHR
-
MFR
2 stops41h 00m
United Airlines
Sat 11/76:34 pm
MFR
-
LHR
2 stops27h 21m
United Airlines
Deal found 6/11$854
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/49:00 am
LHR
-
BOI
2 stops19h 15m
United Airlines
Wed 11/117:00 am
BOI
-
LHR
2 stops16h 20m
United Airlines
Deal found 6/11$879
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:05 pm
LHR
-
MFR
1 stop17h 49m
Multiple Airlines
Mon 10/197:00 am
MFR
-
LHR
1 stop19h 10m
Multiple Airlines
Deal found 6/12$881
This United Airlines deal was found by Cheapflights users on 6/8. 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 10/147:25 am
LHR
-
EUG
2 stops18h 21m
United Airlines
Sun 10/186:00 am
EUG
-
LHR
2 stops44h 00m
United Airlines
Deal found 6/8$883
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/309:30 am
LHR
-
MFR
2 stops20h 39m
United Airlines
Sat 11/76:34 pm
MFR
-
LHR
2 stops28h 36m
United Airlines
Deal found 6/9$886

Find flight deals from London to Oregon

Keep the following information in mind while searching for London to Oregon flight deals. Data was last updated June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$808
(United Airlines)

One-way from

$398
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,129

Good one-way deal

$710 or less
Provider with most accurate pricing for London (LON)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Portland flights.
Search Deals
From London (LON) to Oregon
Search Deals
One-way flight from London (LON) to Oregon
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from London (LON) to Oregon.
Search Deals

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 June 13, 2026.
Use the filters below to find and compare flights from London to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/4

7:40 am-11:59 pm

2 stops23h 19m

Boise Air Term. Gowen Fld

Wed 11/11

11:45 am-11:15 am

1 stop16h 30m

$836

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 11/4

7:40 am-11:59 pm

2 stops23h 19m

Boise Air Term. Gowen Fld

Sun 11/8

10:39 am-7:30 am

2 stops37h 51m

$838

LondonEugene

LHR - EUG

LHREUG

London Heathrow

Tue 9/15

11:25 am-9:17 pm

1 stop17h 52m

Eugene

Wed 9/23

7:15 am-12:35 pm

2 stops21h 20m

$838

LondonEugene

LHR - EUG

LHREUG

London Heathrow

Tue 9/15

11:25 am-9:17 pm

1 stop17h 52m

Eugene

Tue 9/22

1:57 pm-8:40 pm

2 stops22h 43m

$838

LondonEugene

LHR - EUG

LHREUG

London Heathrow

Wed 12/2

12:05 pm-11:54 am

2 stops31h 49m

Eugene

Sun 12/6

6:51 pm-11:15 am

1 stop32h 24m

$838

LondonMedford

LHR - MFR

LHRMFR

London Heathrow

Thu 11/12

9:00 am-11:09 pm

2 stops22h 09m

Medford

Mon 11/16

2:03 pm-7:10 am

2 stops33h 07m

$844

LondonMedford

LHR - MFR

LHRMFR

London Heathrow

Tue 9/1

6:40 am-4:48 pm

2 stops18h 08m

Medford

Sat 9/5

12:20 pm-4:25 pm

3 stops20h 05m

$983

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 9/21

10:20 am-10:38 pm

2 stops19h 18m

Boise Air Term. Gowen Fld

Mon 10/5

2:08 pm-6:50 pm

2 stops21h 42m

$1,030

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 9/21

9:15 am-9:37 pm

2 stops19h 22m

Boise Air Term. Gowen Fld

Mon 10/5

2:44 pm-5:55 pm

2 stops20h 11m

$1,101

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Thu 7/9

10:20 am-12:04 am

2 stops20h 44m

Boise Air Term. Gowen Fld

Wed 7/22

11:42 am-6:45 pm

2 stops24h 03m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, April is the cheapest month in which you can book a flight from London to Oregon (average of $369). Flying from London to Oregon in August is currently the most expensive (average of $717). 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 June 13, 2026.

When flying from London to Oregon, 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 London to Oregon

Explore weekly flight availability from London to Oregon. 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 June 13, 2026.

The most flights from LON to USOR 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).

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

How far ahead should I book a flight from London to Oregon?

The price you pay for your flight from London to Oregon may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 13, 2026.
Peruse reviews from past customers who have flown with 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.
British Airways
6.7
Okay
8,047 reviews

Boarding

6.9

Food

6.4

Comfort

6.8

Entertainment

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
8,047 reviews
British Airways
6.7
Okay
8,047 reviews

Boarding

6.9

Food

6.4

Comfort

6.8

Entertainment

6.4

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 19h 22m. United Airlines provides one of the quickest options available for as low as $1,101. There are 4843 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?

    $481 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Finnair and American Airlines, with prices starting from $580 and $590, 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 Stansted - Portland.

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

    Consider American Airlines (77%), Alaska Airlines (77%) or Aer Lingus (77%) 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 $1,543 for a flight from London to Oregon. The cheapest flight overall is $637 while the most popular route, (London Heathrow - Portland) is currently priced at $703.

  • 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, April is the cheapest month in which you can book a flight from London to Oregon (average of $369). Flying from London to Oregon in August is currently the most expensive (average of $717). 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

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 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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$715Average$1,064FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$737Average$1,447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$843Average$1,010FlexibilityNo cancel feeOn-time69%

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