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Cheap flights from Oregon to London from £214

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
9 Jan — 16 Jan1
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 10 December 2025.

Tue 30/1207:30PDX - LHR
1 stop15h 55mLufthansa
Sun 8/211:10LHR - PDX
2 stops21h 29mLufthansa
Deal found 9/12£496
Tue 30/1217:25PDX - LHR
1 stop11h 25mDelta
Sun 8/206:30LHR - PDX
1 stop12h 55mDelta
Deal found 9/12£518
Tue 30/1219:00PDX - LHR
2 stops31h 10mMultiple Airlines
Sun 8/206:00LHR - PDX
2 stops24h 32mMultiple Airlines
Deal found 9/12£521
Tue 9/1210:50PDX - LHR
1 stop16h 25mLufthansa
Tue 13/107:30LHR - PDX
2 stops18h 40mLufthansa
Deal found 7/12£545
Mon 8/1215:15PDX - LHR
2 stops34h 55mAir Canada
Wed 24/1215:00LHR - PDX
2 stops31h 40mAir Canada
Deal found 8/12£553
Tue 9/1210:05PDX - LHR
1 stop15h 55mDelta
Fri 16/106:30LHR - PDX
1 stop12h 55mDelta
Deal found 7/12£563
Sat 6/1223:20PDX - LHR
2 stops23h 30mDelta
Fri 16/106:30LHR - PDX
1 stop12h 55mDelta
Deal found 7/12£566
Fri 12/1209:50PDX - LHR
1 stop18h 00mLufthansa
Fri 30/106:35LHR - PDX
2 stops20h 20mLufthansa
Deal found 7/12£569
Tue 16/1209:40BOI - LHR
2 stops18h 10mUnited Airlines
Wed 14/110:05LHR - BOI
1 stop20h 43mUnited Airlines
Deal found 8/12£597
Mon 8/1213:25PDX - LCY
1 stop19h 55mVirgin Atlantic
Mon 15/1208:40LCY - PDX
2 stops20h 06mVirgin Atlantic
Deal found 7/12£631
Mon 8/1210:50PDX - LCY
2 stops18h 05mSWISS
Sun 14/1219:20LCY - PDX
2 stops34h 55mSWISS
Deal found 7/12£675
Wed 10/1213:25PDX - LCY
1 stop19h 10mDelta
Tue 6/110:00LCY - PDX
1 stop33h 25mDelta
Deal found 8/12£677

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 10 December 2025.

Round-trip from

£443

One-way from

£214

Popular in

June

Cheapest in

October

Average price

£691

Good round-trip deal

£1,371 or less

Good one-way deal

£3,197 or less
United Airlines
  • United Airlines
  • 13/1-27/1
  • 3 total stops
  • 48h 00m total
  • Oregon to London
Search Deals
18/1
  • 18/1
  • 2 total stops
  • 41h 21m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 10 December 2025.
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

Tue 13/1

14:37-09:40

1 stop12h 03m

London Heathrow

Tue 27/1

18:00-22:57

2 stops35h 57m

£443

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 10/3

15:45-20:05

2 stops21h 20m

London Luton

Wed 18/3

06:50-18:00

2 stops18h 10m

£450

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/5

15:30-11:45

1 stop12h 15m

London Gatwick

Thu 28/5

15:40-17:55

1 stop34h 15m

£450

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 10/3

15:45-21:20

2 stops22h 35m

London Stansted

Wed 18/3

08:30-18:00

2 stops16h 30m

£453

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 16/3

13:09-21:35

3 stops25h 26m

London Heathrow

Thu 23/4

07:05-21:35

2 stops22h 30m

£454

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 27/1

11:59-11:40

1 stop15h 41m

London Heathrow

Tue 10/2

17:50-11:25

1 stop25h 35m

£465

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 4/3

13:27-10:30

1 stop13h 03m

London Heathrow

Wed 11/3

06:30-12:25

1 stop12h 55m

£465

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 20/1

13:30-10:30

1 stop13h 00m

London Heathrow

Fri 30/1

06:30-11:25

1 stop12h 55m

£465

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 17/2

14:40-06:40

2 stops33h 00m

London Heathrow

Thu 26/2

11:10-23:48

2 stops19h 38m

£465

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 10/2

11:10-13:45

2 stops18h 35m

London Heathrow

Wed 25/2

06:30-11:25

1 stop12h 55m

£468

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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, December is the cheapest month in which you can book a flight from Oregon to London (average of £392). Flying from Oregon to London in June is currently the most expensive (average of £581). 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 10 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Oregon to London by exploring options for tickets in the evening.

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 £443, United Airlines can have you in London from Oregon in 12h 03m. 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 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 (76%), Alaska Airlines (76%), Finnair( 76%).

  • What are the cheapest flights from Oregon to London?

    While on average a flight from Oregon to London is generally £2,293, our data shows the cheapest flight currently is £1,371. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £358 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 £392). Flying from Oregon to London in June is currently the most expensive (average of £581). 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 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 10 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£386Average£543FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£443Average£451FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£457Average£522FlexibilityNo cancel feeOn-time77%
Search Iberia 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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