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Cheap flights from Oregon to London Heathrow Airport from £210

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
17 Aug — 24 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 18 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 15/7£554
Mon 7/1212:45
MFR
-
LHR
1 stop12h 55m
United Airlines
Wed 9/1209:00
LHR
-
MFR
2 stops22h 09m
United Airlines
Deal found 13/7£557
Mon 23/1105:00
EUG
-
LHR
1 stop20h 40m
United Airlines
Wed 25/1109:00
LHR
-
EUG
2 stops21h 38m
United Airlines
Deal found 14/7£559
Sun 6/1207:00
BOI
-
LHR
2 stops17h 10m
Multiple Airlines
Tue 8/1206:35
LHR
-
BOI
2 stops18h 20m
Multiple Airlines
Deal found 12/7£559
Sun 6/1218:34
MFR
-
LHR
1 stop32h 41m
United Airlines
Wed 9/1209:00
LHR
-
MFR
2 stops22h 09m
United Airlines
Deal found 13/7£561
Sun 22/1119:05
EUG
-
LHR
1 stop32h 10m
United Airlines
Wed 25/1109:00
LHR
-
EUG
2 stops21h 38m
United Airlines
Deal found 14/7£563
Mon 19/1015:59
EUG
-
LHR
1 stop35h 11m
Multiple Airlines
Thu 22/1008:45
LHR
-
EUG
2 stops19h 59m
Multiple Airlines
Deal found 17/7£600
Wed 9/1214:03
MFR
-
LHR
2 stops15h 27m
United Airlines
Fri 11/1206:35
LHR
-
MFR
2 stops24h 34m
United Airlines
Deal found 13/7£606
Tue 8/1218:34
MFR
-
LHR
1 stop32h 41m
United Airlines
Fri 11/1206:35
LHR
-
MFR
2 stops24h 34m
United Airlines
Deal found 13/7£609
Mon 19/1005:59
MFR
-
LHR
1 stop25h 06m
Alaska Airlines
Fri 30/1014:45
LHR
-
MFR
1 stop16h 14m
Alaska Airlines
Deal found 13/7£629
Sat 26/915:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Thu 8/1021:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Deal found 17/7£632
Wed 30/915:30
PDX
-
LHR
1 stop12h 25m
Icelandair
Tue 6/1013:05
LHR
-
PDX
1 stop12h 50m
Icelandair
Deal found 17/7£632

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 18 July 2026.

Round-trip from

£554

One-way from

£210

Popular in

July

Cheapest in

November

Average price

£911

Good round-trip deal

£780 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. 18% potential increase in price (£105 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 18 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

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Mon 9/11

13:49-13:30

2 stops15h 41m

London Heathrow

Wed 11/11

06:35-18:08

2 stops19h 33m

£560

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 2/11

10:40-11:05

2 stops17h 25m

London Heathrow

Wed 4/11

09:30-21:19

2 stops18h 49m

£567

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 20/10

05:00-09:40

1 stop20h 40m

London Heathrow

Wed 4/11

06:35-18:19

2 stops19h 44m

£651

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sat 5/12

05:55-20:00

2 stops30h 05m

London Heathrow

Fri 11/12

06:30-23:12

2 stops24h 42m

£653

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

£659

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 3/1

12:25-10:45

2 stops14h 20m

London Heathrow

Mon 11/1

20:25-16:43

2 stops28h 18m

£662

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 19/10

10:58-20:40

1 stop25h 42m

London Heathrow

Wed 21/10

15:05-14:51

1 stop31h 46m

£663

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 29/9

13:44-20:10

2 stops22h 26m

London Heathrow

Wed 14/10

06:30-23:52

2 stops25h 22m

£676

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Fri 6/11

06:33-11:15

1 stop20h 42m

London Heathrow

Wed 11/11

06:35-18:19

2 stops19h 44m

£688

MedfordLondon

MFR - LHR

MFRLHR

Medford

Tue 11/8

12:20-15:35

1 stop19h 15m

London Heathrow

Wed 19/8

11:45-23:23

2 stops19h 38m

£694

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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 £513). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £1,000). 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 18 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 18 July 2026.

The most flights from USOR to LHR are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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

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, Delta, and Alaska Airlines can get you from Oregon to London Heathrow Airport in just under 15h 29m. Your travel time can differ by up to 14h 36m. Airlines will cover a distance of 4829 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 Bend/Redmond - 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 £803 for a flight from Oregon to London Heathrow Airport. The cheapest flight overall is £777 while the most popular route, (Portland - London Heathrow) is currently priced at £531.

  • 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 £513). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of £1,000). 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
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
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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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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£440Average£804FlexibilityNo 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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