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Cheap flights from Oregon to London from £198

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
23 May — 30 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 23 April 2026.

Sun 8/1118:55
BOI
-
LHR
1 stop34h 05m
United Airlines
Wed 11/1111:05
LHR
-
BOI
2 stops43h 01m
United Airlines
Deal found 20/4£557
Sat 17/1012:51
EUG
-
LHR
2 stops37h 09m
United Airlines
Tue 20/1007:25
LHR
-
EUG
2 stops21h 05m
United Airlines
Deal found 18/4£562
Fri 5/619:05
PDX
-
STN
2 stops21h 45m
Multiple Airlines
Sat 13/606:35
STN
-
PDX
3 stops39h 15m
Multiple Airlines
Deal found 21/4£591
Fri 22/519:05
PDX
-
LHR
3 stops30h 30m
Multiple Airlines
Fri 29/510:20
LHR
-
PDX
2 stops33h 25m
Multiple Airlines
Deal found 22/4£594
Fri 22/519:05
PDX
-
LHR
3 stops30h 30m
Multiple Airlines
Thu 28/517:00
LHR
-
PDX
2 stops32h 55m
Multiple Airlines
Deal found 22/4£604
Fri 5/619:05
PDX
-
LHR
3 stops30h 15m
Multiple Airlines
Fri 12/609:55
LHR
-
PDX
2 stops33h 50m
Multiple Airlines
Deal found 21/4£605
Wed 27/514:30
PDX
-
STN
2 stops24h 20m
Multiple Airlines
Wed 3/622:00
STN
-
PDX
3 stops47h 50m
Multiple Airlines
Deal found 19/4£608
Fri 11/919:05
PDX
-
STN
2 stops21h 45m
Multiple Airlines
Tue 22/906:30
STN
-
PDX
3 stops39h 20m
Multiple Airlines
Deal found 22/4£610
Fri 5/619:05
PDX
-
LGW
2 stops14h 55m
Multiple Airlines
Fri 12/608:55
LGW
-
PDX
3 stops32h 35m
Multiple Airlines
Deal found 21/4£611
Fri 22/519:05
PDX
-
LGW
3 stops35h 50m
Multiple Airlines
Thu 28/519:05
LGW
-
PDX
3 stops30h 50m
Multiple Airlines
Deal found 22/4£611
Mon 7/1210:00
PDX
-
LHR
2 stops23h 40m
Scandinavian Airlines
Tue 19/106:40
LHR
-
PDX
2 stops22h 47m
Scandinavian Airlines
Deal found 23/4£612
Wed 3/619:05
PDX
-
LGW
3 stops32h 30m
Multiple Airlines
Wed 10/609:20
LGW
-
PDX
2 stops34h 25m
Multiple Airlines
Deal found 20/4£613

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 23 April 2026.

Round-trip from

£562

One-way from

£198

Popular in

July

Cheapest in

October

Average price

£535

Good round-trip deal

£980 or less

Good one-way deal

£539 or less
United Airlines
  • United Airlines
  • 17/10-20/10
  • 4 total stops
  • 58h 14m total
  • Oregon to London
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 29h 55m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 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 23 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

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Sat 17/10

10:55-10:00

2 stops39h 05m

London Heathrow

Tue 20/10

07:30-21:12

2 stops21h 42m

£628

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 9/9

09:40-12:10

1 stop18h 30m

London Heathrow

Wed 23/9

06:30-11:10

1 stop12h 40m

£651

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 15/9

14:30-13:15

1 stop14h 45m

London Heathrow

Wed 23/9

06:30-15:06

2 stops16h 36m

£657

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 22/9

09:40-10:45

2 stops17h 05m

London Heathrow

Thu 1/10

11:45-23:53

2 stops20h 08m

£665

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 22/9

15:50-16:00

2 stops16h 10m

London Gatwick

Thu 1/10

10:25-20:49

2 stops18h 24m

£666

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 24/8

11:46-11:10

1 stop16h 24m

London Heathrow

Fri 28/8

16:15-23:50

1 stop14h 35m

£671

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 31/8

12:25-15:35

1 stop19h 10m

London Heathrow

Fri 25/9

06:30-16:47

2 stops18h 17m

£675

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 29/9

15:50-16:40

2 stops16h 50m

London City

Tue 27/10

07:45-21:27

2 stops20h 42m

£679

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 6/9

12:25-18:50

3 stops22h 25m

London Heathrow

Tue 6/10

07:05-23:12

3 stops24h 07m

£681

MedfordLondon

MFR - LHR

MFRLHR

Medford

Thu 17/9

12:25-15:35

1 stop19h 10m

London Heathrow

Fri 25/9

06:30-16:47

2 stops18h 17m

£685

Flights are sorted by cheapest return flights first.

Deals found on 22/4

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

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

Booking 16 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.

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 £344). Flying from Oregon to London in June is currently the most expensive (average of £1,479). 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 23 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 23 April 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?

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 £651, United Airlines can have you in London from Oregon in 18h 30m. 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 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 (88%), Alaska Airlines (88%), Aer Lingus( 88%).

  • What are the cheapest flights from Oregon to London?

    While on average a flight from Oregon to London is generally £761, our data shows the cheapest flight currently is £539. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £604 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 £344). Flying from Oregon to London in June is currently the most expensive (average of £1,479). 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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Chelmsford

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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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£436Average£445FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£438Average£734FlexibilityNo 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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