Cheap flights from Oregon to London from £245

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated 12 September 2025.

Round-trip from

£402

One-way from

£245

Popular in

June

Cheapest in

October

Average price

£546

Good round-trip deal

£437 or less

Good one-way deal

£3,143 or less
United Airlines
  • United Airlines
  • 23/9-14/10
  • 3 total stops
  • 70h 26m total
  • Oregon to London
21/10
  • 21/10
  • 3 total stops
  • 37h 41m total
  • Oregon to London
Highest demand for flights based on searches. 22% potential increase in price (£128 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Oregon to London (LON).
Price to beat on a one-way flight from Oregon to London (LON).

Find flight deals from Oregon to London

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 12 September 2025.

Tue 23/913:45PDX - LHR
2 stops37h 50mUnited Airlines
Tue 14/1014:10LHR - PDX
1 stop32h 36mUnited Airlines
Deal found 11/9£402
Wed 22/1019:25PDX - LHR
Nonstop9h 35mBritish Airways
Wed 5/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Deal found 11/9£403
Mon 1/1209:50PDX - LHR
2 stops16h 20mLufthansa
Mon 8/1220:15LHR - PDX
2 stops29h 51mLufthansa
Deal found 12/9£404
Thu 20/1114:45PDX - LGW
1 stop12h 10mIcelandair
Wed 3/1211:55LGW - PDX
1 stop13h 05mIcelandair
Deal found 12/9£404
Mon 27/1013:16PDX - LHR
1 stop14h 09mBritish Airways
Wed 5/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Deal found 10/9£405
Tue 23/919:10PDX - LHR
2 stops16h 50mDelta
Fri 24/1006:30LHR - PDX
1 stop12h 35mDelta
Deal found 10/9£405
Tue 30/905:30PDX - LHR
2 stops17h 00mMultiple Airlines
Wed 15/1014:10LHR - PDX
1 stop27h 10mMultiple Airlines
Deal found 9/9£406
Wed 1/1011:05PDX - LHR
1 stop19h 05mUnited Airlines
Wed 8/1014:10LHR - PDX
1 stop16h 51mUnited Airlines
Deal found 11/9£407
Mon 22/907:15PDX - LHR
1 stop17h 35mDelta
Fri 3/1011:30LHR - PDX
2 stops20h 22mDelta
Deal found 11/9£408
Mon 6/1015:20PDX - LGW
1 stop15h 15mIcelandair
Wed 22/1015:40LGW - PDX
1 stop34h 15mIcelandair
Deal found 11/9£408
Tue 14/1019:25PDX - LHR
Nonstop9h 35mBritish Airways
Tue 4/1110:05LHR - PDX
1 stop17h 09mBritish Airways
Deal found 10/9£409
Wed 24/914:05PDX - LHR
1 stop14h 40mBritish Airways
Wed 1/1010:30LHR - PDX
1 stop16h 24mBritish Airways
Deal found 12/9£410

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 12 September 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

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 5/11

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 10/12

13:45-15:55

Nonstop10h 10m

£403

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 19/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Wed 5/11

13:45-15:55

Nonstop10h 10m

£403

PortlandLondon

PDX - LGW

PDXLGW

Portland

Thu 20/11

14:45-10:55

1 stop12h 10m

London Gatwick

Wed 3/12

11:55-17:00

1 stop13h 05m

£404

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 27/9

23:59-08:20

1 stop24h 21m

London Heathrow

Fri 10/10

14:10-23:01

1 stop16h 51m

£407

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Thu 30/10

10:05-21:36

1 stop18h 31m

£407

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 3/11

00:40-07:05

1 stop22h 25m

London Heathrow

Fri 21/11

06:20-19:19

2 stops20h 59m

£408

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/11

00:40-07:05

1 stop22h 25m

London Heathrow

Wed 10/12

08:40-20:53

2 stops20h 13m

£410

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Thu 30/10

10:05-19:43

1 stop16h 38m

£411

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 29/10

06:00-06:25

1 stop17h 25m

London Heathrow

Tue 11/11

08:55-19:30

1 stop18h 35m

£413

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 1/10

15:20-22:30

2 stops23h 10m

London Stansted

Wed 8/10

08:15-17:55

2 stops17h 40m

£419

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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, January is the cheapest month in which you can book a flight from Oregon to London (average of £112). Flying from Oregon to London in August is currently the most expensive (average of £164). 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 12 September 2025.

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 12 September 2025.

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 (2 on average).

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 £403, Finnair can have you in London from Oregon in 9h 35m. Airlines will cover a distance of 4896 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oregon to London one-way?

    One-way options have recently been found by users for as low as £262 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from £265 and Air Canada from £278 one-way.

  • What are the most popular routes from Oregon to London?

  • 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 £1,677, our data shows the cheapest flight currently is £380. When looking at the most popular route, (Portland - London Heathrow), you can expect to pay £366 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, January is the cheapest month in which you can book a flight from Oregon to London (average of £112). Flying from Oregon to London in August is currently the most expensive (average of £164). 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.

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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£380Average£534FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£450Average£541FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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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.

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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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