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Cheap flights from Oregon to London Heathrow Airport from £224

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Oregon to Heathrow
Explore the most affordable flight options available from Oregon to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Mon 2/1106:15
BOI
-
LHR
1 stop22h 00m
United Airlines
Wed 4/1106:50
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 21/7£560
Sun 6/919:00
PDX
-
LHR
1 stop17h 20m
Icelandair
Mon 14/921:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 20/7£642
Sun 1/1110:00
PDX
-
LHR
1 stop17h 50m
Lufthansa
Wed 11/1106:35
LHR
-
PDX
2 stops22h 33m
Lufthansa
Deal found 20/7£648
Mon 19/1012:52
EUG
-
LHR
1 stop12h 48m
Lufthansa
Wed 21/1007:25
LHR
-
EUG
2 stops18h 21m
Lufthansa
Deal found 20/7£651
Mon 19/1012:20
MFR
-
LHR
1 stop19h 15m
Virgin Atlantic
Thu 22/1006:30
LHR
-
MFR
2 stops18h 15m
Virgin Atlantic
Deal found 20/7£654
Wed 28/1007:00
PDX
-
LHR
2 stops19h 20m
Multiple Airlines
Tue 10/1108:45
LHR
-
PDX
2 stops17h 46m
Multiple Airlines
Deal found 20/7£655
Tue 3/1107:00
MFR
-
LHR
1 stop19h 00m
Multiple Airlines
Tue 10/1115:45
LHR
-
MFR
2 stops32h 58m
Multiple Airlines
Deal found 24/7£655
Mon 26/1010:00
PDX
-
LHR
2 stops16h 20m
Lufthansa
Tue 10/1106:30
LHR
-
PDX
2 stops22h 32m
Lufthansa
Deal found 20/7£656
Tue 3/1107:00
MFR
-
LHR
1 stop19h 00m
KLM
Tue 10/1120:25
LHR
-
MFR
2 stops34h 47m
KLM
Deal found 21/7£656
Mon 23/1113:49
EUG
-
LHR
1 stop13h 26m
United Airlines
Fri 27/1106:35
LHR
-
EUG
2 stops24h 03m
United Airlines
Deal found 23/7£657
Sun 1/1122:05
PDX
-
LHR
1 stop14h 05m
Delta
Wed 11/1106:30
LHR
-
PDX
1 stop12h 50m
Delta
Deal found 20/7£658
Tue 20/1005:00
RDM
-
LHR
1 stop23h 25m
United Airlines
Wed 4/1112:05
LHR
-
RDM
2 stops42h 39m
United Airlines
Deal found 22/7£658

Find flight deals from Oregon to Heathrow

Keep the following information in mind while searching for Oregon to Heathrow flight deals. Data was last updated 25 July 2026.

Round-trip from

£560

One-way from

£224

Popular in

July

Cheapest in

November

Average price

£921

Good round-trip deal

£788 or less
United Airlines
  • United Airlines
  • 2/11-4/11
  • 3 total stops
  • 45h 16m total
  • Oregon to London
Search Deals
14/10
  • 14/10
  • 2 total stops
  • 22h 10m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£117 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Oregon to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Oregon to Heathrow 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 25 July 2026.
Use the filters below to find and compare flights from Oregon to London Heathrow Airport 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

Mon 2/11

08:15-11:15

1 stop20h 00m

London Heathrow

Wed 4/11

11:05-22:51

2 stops42h 46m

£560

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 3/11

07:00-10:00

1 stop19h 00m

London Heathrow

Tue 10/11

20:25-23:12

2 stops34h 47m

£656

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 8/11

05:33-12:20

1 stop22h 47m

London Heathrow

Tue 17/11

14:45-23:59

1 stop17h 14m

£664

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 3/11

05:33-12:20

1 stop22h 47m

London Heathrow

Tue 10/11

14:45-23:59

1 stop17h 14m

£665

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 2/11

13:51-12:20

1 stop15h 29m

London Heathrow

Wed 4/11

14:45-23:51

1 stop16h 06m

£666

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 12/1

05:55-07:05

2 stops17h 10m

London Heathrow

Tue 19/1

06:30-16:43

2 stops18h 13m

£666

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Mon 19/10

19:23-15:05

1 stop11h 42m

London Heathrow

Wed 21/10

17:00-23:57

1 stop14h 57m

£667

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 2/12

05:55-10:00

1 stop20h 05m

London Heathrow

Wed 9/12

17:05-16:35

2 stops31h 30m

£678

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 29/9

08:15-11:10

1 stop19h 55m

London Heathrow

Wed 7/10

07:25-19:29

2 stops19h 04m

£679

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 22/9

05:00-12:25

1 stop23h 25m

London Heathrow

Wed 30/9

06:55-17:46

2 stops18h 51m

£681

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from Oregon to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £537). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £1,010). 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 LHR?

Find hourly flight availability from Oregon to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 July 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 Heathrow Airport as you normally would.

Weekly flight availability from Oregon to London Heathrow Airport

Explore weekly flight availability from Oregon to Heathrow. 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 25 July 2026.

The most flights from USOR to LHR 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).

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

Airfare is typical for this route at the moment.
Oregon to London Heathrow Airport flights typically cost between £629 and £968 in September.
The cheapest return price found within the last 5 days was £642 on Icelandair (6 Sept–14 Sept).

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

The best time to book flights from Oregon to London Heathrow Airport is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Heathrow. 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 Heathrow Airport?

    United Airlines, KLM, and Alaska Airlines can get you from Oregon to London Heathrow Airport in just under 19h. Your travel time can differ by up to 3h 47m. Airlines will cover a distance of 5089 mi. This flight may include one or multiple stops.

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

    Most travelers choose Portland - London Heathrow, Boise Air Term. Gowen Fld - London Heathrow or Medford - London Heathrow when deciding on the best route from Oregon to London Heathrow Airport.

  • What are the most reliable airlines from Oregon to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Oregon to London Heathrow Airport consider choosing American Airlines (73%), Alaska Airlines (73%) or Aer Lingus (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to London Heathrow Airport?

    On average you can expect to pay £845 for a flight from Oregon to London Heathrow Airport. The cheapest flight overall is £785 while the most popular route, (Portland - London Heathrow) is currently priced at £599.

  • Can I find deals for flights from Oregon to Heathrow that include hotel bookings?

    Yes. In addition to deals on Oregon to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Heathrow.

  • Can I find deals for business class flights from Oregon to Heathrow?

    Yes. Cheapflights offers flight deals from Oregon to Heathrow 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 Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £537). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £1,010). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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Alternative routes for Oregon to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to London City flights
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Boston to Stansted flights
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Philadelphia to Heathrow flights
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San Francisco to London City flights
San Francisco to Stansted flights
Orlando to Gatwick flights
Los Angeles to Stansted flights
Sky Harbor Intl to Heathrow flights
Seattle to Gatwick flights
O'Hare Intl to Gatwick flights
Dallas/Fort Worth to Gatwick flights
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Top airline flying from Oregon to Heathrow

Discover the top airline that operate flights from Oregon to Heathrow. 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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£444Average£812FlexibilityNo 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 Heathrow?

Cheapflights helps you search for flights from Oregon to Heathrow 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 Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Oregon to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Oregon to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oregon to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Oregon to Heathrow become cheaper?

Of course! You can now track prices for flights from Oregon to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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