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Cheap flights from Oregon to London from £184

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
16 sept. — 23 sept.1
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 17 août 2026.

dim. 6/1213:07 -
1 stop12h 33m
mar. 8/1209:00 -
2 stops21h 54m
Deal found 16/8£556
dim. 6/1207:00 -
2 stops17h 10m
mar. 8/1206:35 -
2 stops19h 41m
Deal found 14/8£556
lun. 7/1209:40 -
2 stops15h 45m
mer. 9/1207:30 -
2 stops20h 45m
Deal found 12/8£564
dim. 6/1211:30 -
2 stops16h 15m
mar. 8/1210:45 -
1 stop20h 19m
Deal found 15/8£602
dim. 6/1217:22 -
1 stop33h 18m
mer. 9/1207:30 -
2 stops20h 46m
Deal found 12/8£615
dim. 6/1215:00 -
1 stop33h 05m
mer. 13/106:30 -
2 stops16h 30m
Deal found 16/8£643
mer. 2/1207:00 -
1 stop18h 15m
mer. 9/1207:35 -
2 stops22h 07m
Deal found 12/8£645
mer. 4/1107:00 -
1 stop18h 15m
lun. 9/1119:40 -
2 stops25h 05m
Deal found 16/8£647
mer. 18/1106:00 -
1 stop20h 40m
jeu. 26/1106:30 -
2 stops20h 16m
Deal found 15/8£648
dim. 6/1208:40 -
1 stop16h 15m
mar. 15/1206:35 -
2 stops19h 41m
Deal found 12/8£649
dim. 6/1205:15 -
2 stops19h 35m
jeu. 14/106:20 -
2 stops19h 13m
Deal found 16/8£649
lun. 21/906:15 -
1 stop21h 05m
mar. 6/1017:45 -
1 stop13h 21m
Deal found 13/8£650

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 17 août 2026.

Round-trip from

£556

One-way from

£184

Popular in

July

Cheapest in

November

Average price

£775
United Airlines
  • United Airlines
  • 6/12-8/12
  • 3 total stops
  • 34h 27m total
  • Oregon to London
Search Deals
29/10
  • 29/10
  • 2 total stops
  • 37h 45m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 17 août 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

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

dim. 6/12

05:30-09:10

2 stops19h 40m

London Heathrow

mar. 8/12

06:35-18:03

2 stops19h 28m

£557

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

dim. 6/12

07:00-07:10

2 stops17h 10m

London Heathrow

mar. 15/12

06:35-19:16

2 stops19h 41m

£651

RedmondLondon

RDM Bend/Redmond - LGW London Gatwick

RDMLGW

Bend/Redmond

mer. 3/2

12:30-15:45

2 stops19h 15m

London Gatwick

mer. 17/2

10:00-22:46

2 stops20h 46m

£654

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

dim. 6/12

11:25-12:20

1 stop17h 55m

London Heathrow

mar. 8/12

14:45-22:47

1 stop15h 02m

£656

BoiseLondon

BOI Boise Air Term. Gowen Fld - LGW London Gatwick

BOILGW

Boise Air Term. Gowen Fld

dim. 6/12

12:13-15:45

2 stops20h 32m

London Gatwick

mer. 9/12

10:00-22:26

2 stops19h 26m

£656

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

dim. 6/12

07:40-12:20

1 stop20h 40m

London Heathrow

mar. 8/12

14:45-19:46

1 stop13h 01m

£656

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

lun. 28/9

15:30-22:50

2 stops23h 20m

London Luton

mer. 18/11

07:45-17:00

2 stops17h 15m

£663

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

lun. 2/11

14:45-21:50

2 stops23h 05m

London Luton

lun. 16/11

08:00-17:00

1 stop17h 00m

£664
Fastest return journey

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

mar. 29/9

15:28-11:20

1 stop12h 52m

London Heathrow

mer. 7/10

06:30-17:14

2 stops17h 44m

£669

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

sam. 30/1

18:55-07:25

1 stop29h 30m

London Heathrow

jeu. 4/2

15:00-17:55

2 stops33h 55m

£669

Flights are sorted by cheapest return flights first.

Deals found on 13/8

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, February is the cheapest month in which you can book a flight from Oregon to London (average of £530). Flying from Oregon to London in July is currently the most expensive (average of £929). 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 17 août 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 17 août 2026.

The most flights from USOR to LON are scheduled on a Tuesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is typical for this route at the moment.
Oregon to London flights typically cost between £564 and £860 in January.
The cheapest return price found within the last 5 days was £660 on Lufthansa (20 Jan–24 Feb).

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

Booking 89 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 £650, United Airlines can have you in London from Oregon in 16h 45m. Airlines will cover a distance of 4933 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 (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, February is the cheapest month in which you can book a flight from Oregon to London (average of £530). Flying from Oregon to London in July is currently the most expensive (average of £929). 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

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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 17 août 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£438Average£814FlexibilityNo 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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