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Cheap flights from Oregon to London Heathrow Airport from £244

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
12 May — 19 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 12 April 2026.

Mon 2/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Mon 9/1112:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 7/4£553
Tue 10/1114:45
PDX
-
LHR
1 stop20h 45m
Icelandair
Wed 18/1112:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 8/4£556
Mon 19/1015:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Fri 30/1012:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 12/4£556
Tue 10/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Tue 24/1120:35
LHR
-
PDX
1 stop28h 25m
Icelandair
Deal found 8/4£557
Mon 12/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 20/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 7/4£559
Wed 16/915:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Mon 12/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 7/4£565
Mon 28/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Tue 13/1013:05
LHR
-
PDX
1 stop12h 50m
Icelandair
Deal found 9/4£566
Mon 21/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Tue 13/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 12/4£567
Mon 2/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Wed 11/1112:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Deal found 9/4£568
Thu 22/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 29/1020:35
LHR
-
PDX
1 stop28h 25m
Icelandair
Deal found 7/4£569
Thu 15/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 22/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 9/4£570
Mon 9/1116:05
BOI
-
LHR
1 stop32h 20m
United Airlines
Thu 12/1106:50
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 9/4£596

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 12 April 2026.

Round-trip from

£565

One-way from

£244

Popular in

July

Cheapest in

October

Average price

£537

Good round-trip deal

£983 or less

Good one-way deal

£541 or less
Icelandair
  • Icelandair
  • 16/9-12/10
  • 2 total stops
  • 40h 55m total
  • Oregon to London
Search Deals
5/10
  • 5/10
  • 2 total stops
  • 16h 55m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 12 April 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

£617

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 18/9

13:38-16:25

3 stops18h 47m

London Heathrow

Mon 28/9

19:50-16:33

3 stops28h 43m

£623

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 28/9

07:00-14:35

3 stops23h 35m

London Heathrow

Tue 13/10

07:05-22:26

3 stops23h 21m

£643

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 10/8

14:11-11:10

1 stop12h 59m

London Heathrow

Wed 26/8

07:25-17:45

2 stops18h 20m

£650

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

£657

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 20/9

13:25-13:05

1 stop15h 40m

London Heathrow

Wed 30/9

06:30-11:10

1 stop12h 40m

£657

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 31/8

19:01-07:25

1 stop29h 24m

London Heathrow

Fri 4/9

09:30-13:35

2 stops35h 05m

£662

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 31/8

18:26-14:10

1 stop35h 44m

London Heathrow

Fri 25/9

09:30-11:34

2 stops58h 04m

£664

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 6/9

12:25-15:35

1 stop19h 10m

London Heathrow

Tue 6/10

06:30-16:43

2 stops18h 13m

£685

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Wed 5/8

12:57-09:40

1 stop12h 43m

London Heathrow

Wed 26/8

06:55-18:08

2 stops19h 13m

£686

Flights are sorted by cheapest return flights first.

Deals found on 9/4

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, June is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £370). Flying from Oregon to London Heathrow Airport in July is currently the most expensive (average of £513). 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 12 April 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 12 April 2026.

The most flights from USOR to LHR are scheduled on a Friday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 Delta can get you from Oregon to London Heathrow Airport in just under 12h 59m. Your travel time can differ by up to 10h 31m. 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 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 (84%), Alaska Airlines (84%) or Aer Lingus (84%) 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 £764 for a flight from Oregon to London Heathrow Airport. The cheapest flight overall is £541 while the most popular route, (Portland - London Heathrow) is currently priced at £559.

  • 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, June is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £370). Flying from Oregon to London Heathrow Airport in July is currently the most expensive (average of £513). 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
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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 12 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£438Average£446FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£440Average£554FlexibilityNo 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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