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Cheap flights from Oregon to London Heathrow Airport from £201

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
1 Apr — 8 Apr1
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 2 March 2026.

Tue 14/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Mon 20/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 27/2£439
Mon 30/315:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Mon 20/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 28/2£440
Thu 16/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 28/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 2/3£440
Tue 14/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 28/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 27/2£441
Mon 13/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Sat 25/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 27/2£442
Mon 13/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Mon 20/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 27/2£443
Sat 17/1015:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 3/1120:35
LHR
-
PDX
1 stop28h 25m
Icelandair
Deal found 1/3£443
Tue 21/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Thu 30/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 1/3£445
Thu 23/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Wed 6/513:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 1/3£446
Tue 28/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Wed 6/513:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 1/3£446
Mon 27/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Wed 6/513:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Deal found 1/3£447
Mon 27/415:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Sun 10/521:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Deal found 1/3£448

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 2 March 2026.

Round-trip from

£439

One-way from

£201

Popular in

June

Cheapest in

October

Average price

£517

Good round-trip deal

£490 or less

Good one-way deal

£274 or less
Icelandair
  • Icelandair
  • 14/4-20/4
  • 2 total stops
  • 33h 45m total
  • Oregon to London
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 16h 55m total
  • Oregon to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£112 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 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 2 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

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 5/5

19:45-13:20

1 stop33h 35m

London Heathrow

Tue 19/5

06:50-20:42

2 stops21h 52m

£506

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 14/4

11:56-12:10

1 stop16h 14m

London Heathrow

Tue 21/4

15:40-17:40

Nonstop10h 00m

£530

MedfordLondon

MFR - LHR

MFRLHR

Medford

Wed 15/4

12:28-10:00

1 stop13h 32m

London Heathrow

Wed 13/5

06:30-16:33

2 stops18h 03m

£538

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Sat 15/8

06:15-17:40

2 stops27h 25m

London Heathrow

Fri 21/8

19:50-17:11

3 stops29h 21m

£543

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 7/4

12:37-20:10

2 stops23h 33m

London Heathrow

Fri 1/5

06:30-23:20

2 stops24h 50m

£549

MedfordLondon

MFR - LHR

MFRLHR

Medford

Wed 15/4

12:28-13:15

2 stops16h 47m

London Heathrow

Wed 13/5

11:45-23:55

2 stops20h 10m

£549

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 14/4

14:12-10:10

2 stops35h 58m

London Heathrow

Tue 21/4

15:05-11:48

2 stops28h 43m

£555

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 23/8

13:38-21:40

2 stops24h 02m

London Heathrow

Mon 31/8

06:40-22:22

2 stops23h 42m

£562

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sat 1/8

14:11-07:25

1 stop33h 14m

London Heathrow

Sat 12/9

07:45-21:10

2 stops21h 25m

£567

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 27/4

11:14-15:35

1 stop20h 21m

London Heathrow

Fri 15/5

11:40-23:55

1 stop20h 15m

£567

Flights are sorted by cheapest return flights first.

Deals found on 27/2

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, December is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of £383). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £515). 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 2 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.

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?

    United Airlines, British Airways, and Delta can get you from Oregon to London Heathrow Airport in just under 16h 14m. Your travel time can differ by up to 17h 21m. 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 £1,317 for a flight from Oregon to London Heathrow Airport. The cheapest flight overall is £188 while the most popular route, (Portland - London Heathrow) is currently priced at £418.

  • 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 £383). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £515). 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
Croydon
Wembley
Luton
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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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 2 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£382Average£536FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£437Average£445FlexibilityNo cancel feeOn-time76%
Search Icelandair 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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