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Cheap flights from Oregon to London from £201

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
21 Feb — 28 Feb1
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 22 January 2026.

Tue 17/207:00
BOI
-
LHR
1 stop20h 00m
Iberia
Tue 24/220:50
LHR
-
BOI
2 stops32h 32m
Iberia
Deal found 20/1£430
Tue 17/207:00
BOI
-
LHR
1 stop20h 00m
Iberia
Thu 26/220:50
LHR
-
BOI
2 stops32h 32m
Iberia
Deal found 20/1£431
Tue 17/205:00
BOI
-
LHR
2 stops19h 10m
Air Canada
Tue 24/215:00
LHR
-
BOI
2 stops29h 38m
Air Canada
Deal found 20/1£438
Mon 16/206:25
BOI
-
LHR
1 stop20h 15m
United Airlines
Fri 27/218:00
LHR
-
BOI
2 stops34h 32m
United Airlines
Deal found 20/1£441
Tue 31/315:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Tue 7/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 22/1£443
Wed 4/314:40
BOI
-
LHR
1 stop12h 00m
United Airlines
Wed 11/306:35
LHR
-
BOI
2 stops20h 54m
United Airlines
Deal found 20/1£443
Tue 10/206:00
PDX
-
LHR
1 stop16h 55m
British Airways
Wed 25/213:45
LHR
-
PDX
Nonstop10h 10m
British Airways
Deal found 21/1£444
Tue 10/214:37
BOI
-
LHR
1 stop12h 03m
United Airlines
Wed 25/206:35
LHR
-
BOI
2 stops24h 13m
United Airlines
Deal found 21/1£444
Sat 12/915:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Tue 22/915:40
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 21/1£444
Mon 5/1010:10
PDX
-
LHR
2 stops17h 40m
Air Canada
Tue 20/1015:05
LHR
-
PDX
2 stops35h 36m
Air Canada
Deal found 22/1£444
Mon 2/212:35
PDX
-
LHR
1 stop15h 05m
British Airways
Fri 13/213:45
LHR
-
PDX
Nonstop10h 10m
British Airways
Deal found 20/1£445
Tue 3/212:35
PDX
-
LHR
1 stop15h 05m
British Airways
Fri 13/215:45
LHR
-
PDX
1 stop16h 32m
British Airways
Deal found 20/1£446

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 22 January 2026.

Round-trip from

£430

One-way from

£201

Popular in

June

Cheapest in

October

Average price

£536

Good round-trip deal

£1,360 or less

Good one-way deal

£296 or less
Iberia
  • Iberia
  • 17/2-24/2
  • 3 total stops
  • 52h 32m total
  • Oregon to London
Search Deals
16/5
  • 16/5
  • 2 total stops
  • 23h 45m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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

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

Fly from

Oregon

Fly to

London

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/3

06:25-08:30

2 stops19h 05m

London Heathrow

Wed 11/3

14:30-23:57

2 stops39h 27m

£441

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 16/2

06:25-09:40

1 stop20h 15m

London Heathrow

Fri 27/2

18:00-21:32

2 stops34h 32m

£441

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 10/2

14:13-12:15

1 stop14h 02m

London Heathrow

Wed 4/3

13:45-15:55

Nonstop10h 10m

£445

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 11/2

06:00-08:15

1 stop18h 15m

London Heathrow

Wed 4/3

13:45-15:55

Nonstop10h 10m

£445

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 10/2

08:30-09:40

1 stop17h 10m

London Heathrow

Wed 25/2

12:05-22:59

1 stop18h 54m

£447

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/5

15:30-14:40

1 stop15h 10m

London Gatwick

Mon 25/5

15:40-11:45

1 stop28h 05m

£449

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 24/3

10:21-09:40

1 stop17h 19m

London Heathrow

Tue 31/3

07:25-09:54

2 stops33h 29m

£450

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/3

13:44-12:00

1 stop15h 16m

London Heathrow

Wed 11/3

10:05-23:57

1 stop19h 52m

£453

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 14/2

14:05-06:50

1 stop32h 45m

London Heathrow

Wed 4/3

13:45-15:55

Nonstop10h 10m

£453

PortlandLondon

PDX - LTN

PDXLTN

Portland

Thu 23/4

15:30-12:45

1 stop13h 15m

London Luton

Wed 6/5

06:15-18:00

1 stop19h 45m

£464

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 60 results
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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 £366). Flying from Oregon to London in June is currently the most expensive (average of £576). 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 22 January 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.

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

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 £445, Air Canada can have you in London from Oregon in 14h 02m. Airlines will cover a distance of 4896 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 City.

  • 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 (77%), Alaska Airlines (77%), Aer Lingus( 77%).

  • What are the cheapest flights from Oregon to London?

    While on average a flight from Oregon to London is generally £1,619, our data shows the cheapest flight currently is £288. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £369 for that flight.

  • 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 £366). Flying from Oregon to London in June is currently the most expensive (average of £576). 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

Travelling to a place near London?

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Southend-on-Sea

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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 3 airlines flying from Oregon to London

Discover the top 3 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 858,174 searches. Data last updated 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£383Average£538FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£432Average£518FlexibilityNo cancel feeOn-time77%
Search Iberia flights
IcelandairCheapest£439Average£447FlexibilityNo cancel feeOn-time76%
Search Icelandair 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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