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Cheap flights from Oregon to London Heathrow Airport 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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
29 Apr — 6 May1
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 30 March 2026.

Tue 21/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Tue 28/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 25/3£538
Tue 14/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 21/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 25/3£538
Mon 27/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 12/521:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 25/3£543
Fri 14/819:05
PDX
-
LHR
1 stop32h 50m
Icelandair
Fri 18/913:05
LHR
-
PDX
1 stop12h 50m
Icelandair
Deal found 28/3£545
Thu 3/915:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 17/921:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 25/3£547
Wed 16/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Fri 30/1012:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 25/3£549
Wed 12/819:05
PDX
-
LHR
1 stop32h 50m
Icelandair
Wed 19/821:25
LHR
-
PDX
1 stop22h 20m
Icelandair
Deal found 25/3£552
Thu 8/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 22/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 25/3£558
Mon 27/415:30
PDX
-
LHR
2 stops20h 25m
Multiple Airlines
Tue 12/507:40
LHR
-
PDX
3 stops33h 50m
Multiple Airlines
Deal found 25/3£559
Tue 28/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 5/521:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 25/3£565
Tue 18/815:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Sat 29/821:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 26/3£567
Mon 28/918:34
MFR
-
LHR
2 stops31h 36m
United Airlines
Thu 1/1009:00
LHR
-
MFR
2 stops22h 09m
United Airlines
Deal found 28/3£567

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 30 March 2026.

Round-trip from

£538

One-way from

£240

Popular in

June

Cheapest in

October

Average price

£521

Good round-trip deal

£998 or less

Good one-way deal

£3,210 or less
Icelandair
  • Icelandair
  • 21/4-28/4
  • 2 total stops
  • 49h 25m total
  • Oregon to London
Search Deals
22/9
  • 22/9
  • 1 total stop
  • 17h 17m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Oregon to London Heathrow.
Search Deals
Price to beat on a one-way 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 30 March 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

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 6/9

12:25-17:40

2 stops21h 15m

London Heathrow

Tue 6/10

07:05-23:12

3 stops24h 07m

£628

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 31/8

18:26-10:00

2 stops31h 34m

London Heathrow

Fri 25/9

08:40-23:09

2 stops22h 29m

£662

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 6/9

05:00-12:20

1 stop23h 20m

London Heathrow

Tue 6/10

07:25-13:09

2 stops37h 44m

£663

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 9/9

08:45-10:20

2 stops18h 35m

London Heathrow

Wed 16/9

06:30-15:38

2 stops16h 08m

£664

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 22/9

13:45-11:00

1 stop13h 15m

London Heathrow

Thu 1/10

06:30-11:10

1 stop12h 40m

£667

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/5

11:51-13:15

1 stop17h 24m

London Heathrow

Mon 18/5

20:55-11:10

1 stop22h 15m

£667

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 6/5

09:05-12:10

1 stop19h 05m

London Heathrow

Thu 14/5

06:30-11:10

1 stop12h 40m

£667

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 2/5

22:55-06:25

1 stop23h 30m

London Heathrow

Tue 12/5

06:30-11:10

1 stop12h 40m

£667

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 4/5

13:32-15:35

1 stop18h 03m

London Heathrow

Wed 20/5

06:30-11:10

1 stop12h 40m

£667

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 18/8

19:40-15:35

1 stop11h 55m

London Heathrow

Thu 3/9

06:30-15:58

2 stops17h 28m

£673

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, December is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £390). Flying from Oregon to London Heathrow Airport in July is currently the most expensive (average of £562). 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 30 March 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 30 March 2026.

The most flights from USOR to LHR are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, 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 Heathrow Airport?

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?

    Scandinavian Airlines, United Airlines, and Virgin Atlantic can get you from Oregon to London Heathrow Airport in just under 16h 15m. Your travel time can differ by up to 15h 19m. 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 Heathrow Airport?

    Most travelers choose Portland - London Heathrow, Boise Air Term. Gowen Fld - London Heathrow or Eugene - 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 (82%), Alaska Airlines (82%) or Aer Lingus (82%) 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 £2,106 for a flight from Oregon to London Heathrow Airport. The cheapest flight overall is £640 while the most popular route, (Portland - London Heathrow) is currently priced at £545.

  • 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, December is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £390). Flying from Oregon to London Heathrow Airport in July is currently the most expensive (average of £562). 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
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Bedford
Chelmsford

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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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Top 2 airlines flying from Oregon to Heathrow

Discover the top 2 airlines 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 30 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£445Average£453FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£446Average£545FlexibilityNo 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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