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Cheap flights from Oregon to London from £187

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to London

Enter your travel dates to find the best prices.

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 9 June 2026.

Mon 9/1116:05
BOI
-
LHR
1 stop32h 20m
United Airlines
Thu 12/1106:50
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 6/6£564
Tue 8/906:30
BOI
-
LHR
2 stops42h 15m
United Airlines
Fri 11/907:25
LHR
-
BOI
2 stops18h 54m
United Airlines
Deal found 6/6£573
Mon 9/1118:55
BOI
-
LHR
1 stop33h 20m
Brussels Airlines
Thu 12/1111:05
LHR
-
BOI
2 stops43h 01m
Brussels Airlines
Deal found 7/6£592
Mon 9/1116:21
BOI
-
LHR
1 stop12h 59m
Alaska Airlines
Thu 12/1114:45
LHR
-
BOI
1 stop30h 42m
Alaska Airlines
Deal found 6/6£634
Tue 27/1018:51
EUG
-
LHR
2 stops21h 04m
Lufthansa
Thu 12/1108:45
LHR
-
EUG
2 stops22h 35m
Lufthansa
Deal found 7/6£653
Mon 9/1107:00
BOI
-
LHR
2 stops18h 30m
Air Canada
Thu 12/1114:30
LHR
-
BOI
2 stops40h 29m
Air Canada
Deal found 6/6£654
Sun 25/1006:44
BOI
-
LHR
1 stop19h 31m
Iberia
Wed 11/1119:40
LHR
-
BOI
2 stops23h 58m
Iberia
Deal found 4/6£654
Sun 23/810:35
BOI
-
LHR
2 stops24h 05m
Scandinavian Airlines
Tue 1/906:40
LHR
-
BOI
2 stops19h 08m
Scandinavian Airlines
Deal found 6/6£656
Tue 27/1013:00
EUG
-
LHR
1 stop13h 40m
United Airlines
Thu 12/1106:35
LHR
-
EUG
2 stops19h 32m
United Airlines
Deal found 8/6£657
Tue 29/913:06
BOI
-
LHR
1 stop14h 54m
Delta
Wed 7/1006:30
LHR
-
BOI
2 stops17h 19m
Delta
Deal found 7/6£657
Tue 20/1005:00
EUG
-
LHR
2 stops17h 30m
United Airlines
Wed 4/1111:10
LHR
-
EUG
2 stops20h 10m
United Airlines
Deal found 8/6£660
Tue 22/905:54
EUG
-
LHR
2 stops17h 16m
KLM
Wed 30/906:30
LHR
-
EUG
2 stops18h 32m
KLM
Deal found 8/6£660

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 9 June 2026.

Round-trip from

£564

One-way from

£187

Popular in

July

Cheapest in

November

Average price

£802
United Airlines
  • United Airlines
  • 9/11-12/11
  • 3 total stops
  • 55h 36m total
  • Oregon to London
Search Deals
25/7
  • 25/7
  • 2 total stops
  • 40h 40m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 9 June 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 return flight

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 27/10

13:00-09:40

1 stop13h 40m

London Heathrow

Thu 12/11

06:35-18:07

2 stops19h 32m

£657

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 29/9

05:54-11:00

1 stop21h 06m

London Heathrow

Wed 21/10

06:30-17:13

2 stops18h 43m

£657

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 27/10

06:15-10:30

1 stop21h 15m

London Heathrow

Wed 11/11

06:30-17:13

2 stops18h 43m

£657

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 1/9

05:20-13:15

2 stops23h 55m

London Heathrow

Tue 29/9

06:30-17:02

2 stops18h 32m

£660

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 14/10

11:30-10:20

2 stops15h 50m

London Heathrow

Tue 20/10

11:45-20:17

2 stops15h 32m

£660

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 22/9

05:54-07:10

2 stops17h 16m

London Heathrow

Wed 30/9

06:30-17:02

2 stops18h 32m

£660

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 15/9

16:00-16:00

2 stops41h 00m

London Heathrow

Mon 28/9

19:30-18:40

2 stops30h 10m

£693

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sun 1/11

14:43-09:40

1 stop11h 57m

London Heathrow

Sat 14/11

06:50-23:06

2 stops23h 16m

£694

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 15/9

16:00-17:35

1 stop18h 35m

London Heathrow

Mon 28/9

09:55-22:25

2 stops19h 30m

£695

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sun 4/10

17:30-12:35

1 stop12h 05m

London Heathrow

Mon 12/10

14:05-17:43

2 stops34h 38m

£701

Flights are sorted by cheapest return flights first.

Deals found on 6/6

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 return 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 £349). Flying from Oregon to London in September is currently the most expensive (average of £842). 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 9 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to London as you normally would.

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 9 June 2026.

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).

How much does it cost for a return flight from Oregon to London?

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

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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?

    For as low as £657, United Airlines can have you in London from Oregon in 13h 40m. Airlines will cover a distance of 4998 mi. This flight may include one or multiple stops.

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

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

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

    Before booking your flight to London from Oregon, check out the most reliable airlines to get you to your destination on time: American Airlines (82%), Alaska Airlines (82%), Aer Lingus( 82%).

  • 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 holiday 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 £349). Flying from Oregon to London in September is currently the most expensive (average of £842). 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 Oregon to London

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

Discover the top airline 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 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£444Average£806FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Oregon to London?

Cheapflights helps you search for flights from Oregon to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Oregon to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Oregon.

Can Cheapflights find flights from Oregon to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oregon to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Oregon to London become cheaper?

Not ready to book yet? You can track prices for flights from Oregon to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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