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Cheap flights from Oregon to London from £221

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
11 May — 18 May1
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 11 April 2026.

Tue 21/415:30
PDX
-
LTN
3 stops24h 15m
Multiple Airlines
Mon 4/508:15
LTN
-
PDX
3 stops33h 15m
Multiple Airlines
Deal found 10/4£549
Mon 2/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Mon 9/1112:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 7/4£554
Tue 10/1114:45
PDX
-
LHR
1 stop20h 45m
Icelandair
Wed 18/1112:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 8/4£556
Tue 10/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Tue 24/1120:35
LHR
-
PDX
1 stop28h 25m
Icelandair
Deal found 8/4£558
Mon 12/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 20/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 7/4£560
Mon 28/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Mon 5/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 6/4£562
Tue 21/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Wed 29/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 7/4£566
Wed 16/915:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Mon 12/1015:40
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 7/4£567
Tue 26/515:30
PDX
-
LGW
3 stops33h 10m
Multiple Airlines
Tue 9/617:50
LGW
-
PDX
2 stops32h 05m
Multiple Airlines
Deal found 9/4£567
Mon 2/1114:45
PDX
-
LGW
1 stop12h 10m
Icelandair
Mon 9/1111:55
LGW
-
PDX
1 stop13h 05m
Icelandair
Deal found 9/4£568
Thu 15/1015:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Thu 22/1015:40
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 6/4£569
Tue 21/415:30
PDX
-
LTN
1 stop13h 25m
Multiple Airlines
Wed 29/406:15
LTN
-
PDX
1 stop19h 45m
Multiple Airlines
Deal found 8/4£570

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 11 April 2026.

Round-trip from

£549

One-way from

£221

Popular in

July

Cheapest in

October

Average price

£538

Good round-trip deal

£985 or less

Good one-way deal

£542 or less
21/4-4/5
  • 21/4-4/5
  • 6 total stops
  • 57h 30m total
  • Oregon to London
Search Deals
4/6
  • 4/6
  • 2 total stops
  • 23h 25m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 11 April 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

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sat 3/10

12:42-17:00

3 stops21h 18m

London Heathrow

Mon 12/10

06:40-23:08

2 stops23h 28m

£623

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 21/4

15:30-15:30

2 stops16h 00m

London Luton

Wed 29/4

06:15-18:00

2 stops19h 45m

£634

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 9/9

10:00-17:40

2 stops23h 40m

London Heathrow

Thu 17/9

21:05-18:41

3 stops29h 36m

£643

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/5

06:28-06:25

1 stop15h 57m

London Heathrow

Wed 20/5

06:30-11:10

1 stop12h 40m

£652

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 18/8

14:44-12:25

1 stop14h 41m

London Heathrow

Thu 27/8

10:50-23:50

2 stops20h 00m

£652

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 28/9

16:05-16:00

2 stops16h 55m

London Gatwick

Wed 7/10

10:25-23:52

2 stops20h 27m

£660

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 28/9

07:00-09:40

1 stop19h 40m

London Heathrow

Wed 7/10

07:30-22:22

2 stops21h 52m

£660

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 16/9

07:00-08:25

2 stops17h 25m

London Gatwick

Wed 23/9

09:20-19:06

2 stops17h 46m

£663

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 16/9

07:00-08:25

2 stops17h 25m

London Gatwick

Thu 24/9

09:25-19:06

2 stops17h 41m

£665

PortlandLondon

PDX - LGW

PDXLGW

Portland

Wed 16/9

07:00-08:25

2 stops17h 25m

London Gatwick

Fri 25/9

09:25-22:18

2 stops20h 53m

£670

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, December is the cheapest month in which you can book a flight from Oregon to London (average of £351). Flying from Oregon to London in July is currently the most expensive (average of £514). 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 11 April 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 11 April 2026.

The most flights from USOR to LON are scheduled on a Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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 £652, Scandinavian Airlines can have you in London from Oregon in 14h 41m. Airlines will cover a distance of 4829 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 (84%), Alaska Airlines (84%), Aer Lingus( 84%).

  • What are the cheapest flights from Oregon to London?

    While on average a flight from Oregon to London is generally £1,566, our data shows the cheapest flight currently is £542. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £560 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, December is the cheapest month in which you can book a flight from Oregon to London (average of £351). Flying from Oregon to London in July is currently the most expensive (average of £514). 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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Gatwick
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Hayes
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Guildford
Bishop's Stortford

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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 2 airlines flying from Oregon to London

Discover the top 2 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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£439Average£447FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£440Average£555FlexibilityNo 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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