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$269+ Cheap flights from Oregon to Heathrow (LHR)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap flight deals from Oregon to Heathrow

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 May 27, 2026.

This Ovago deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:55 pm
BOI
-
LHR
1 stop33h 20m
Brussels Airlines
Thu 11/1211:05 am
LHR
-
BOI
2 stops43h 01m
Brussels Airlines
Deal found 5/25$740
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm
BOI
-
LHR
1 stop32h 20m
United Airlines
Thu 11/126:50 am
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 5/26$752
This oojo deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:42 pm
BOI
-
LHR
2 stops20h 18m
Scandinavian Airlines
Mon 10/125:00 pm
LHR
-
BOI
2 stops37h 08m
Scandinavian Airlines
Deal found 5/22$810
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:51 pm
EUG
-
LHR
1 stop12h 49m
Lufthansa
Tue 10/137:25 am
LHR
-
EUG
2 stops21h 05m
Lufthansa
Deal found 5/25$862
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:37 am
BOI
-
LHR
1 stop18h 48m
Lufthansa
Tue 10/206:55 am
LHR
-
BOI
2 stops21h 36m
Lufthansa
Deal found 5/25$862
This Justfly.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:00 pm
EUG
-
LHR
2 stops16h 00m
Lufthansa
Wed 11/117:40 am
LHR
-
EUG
2 stops18h 27m
Lufthansa
Deal found 5/25$869
This FlightHub deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:59 pm
EUG
-
LHR
1 stop14h 11m
Lufthansa
Wed 11/47:40 am
LHR
-
EUG
2 stops18h 27m
Lufthansa
Deal found 5/27$871
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:57 pm
EUG
-
LHR
1 stop16h 13m
Lufthansa
Tue 9/227:30 am
LHR
-
EUG
2 stops21h 47m
Lufthansa
Deal found 5/22$872
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:28 pm
BOI
-
LHR
1 stop16h 27m
Lufthansa
Tue 9/227:30 am
LHR
-
BOI
2 stops21h 07m
Lufthansa
Deal found 5/22$872
This Cheapflightsfares deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:55 am
EUG
-
LHR
1 stop19h 15m
Lufthansa
Fri 10/237:30 am
LHR
-
EUG
2 stops21h 42m
Lufthansa
Deal found 5/27$873
This Cheapflightsfares deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:37 am
BOI
-
LHR
1 stop16h 03m
Lufthansa
Wed 10/77:30 am
LHR
-
BOI
2 stops21h 01m
Lufthansa
Deal found 5/26$873
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:25 pm
MFR
-
LHR
1 stop19h 10m
KLM
Tue 10/66:30 am
LHR
-
MFR
2 stops18h 13m
KLM
Deal found 5/22$874

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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$740
(Ovago)

One-way from

$269
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$970

Good round-trip deal

$1,004 or less

Good one-way deal

$390 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Search Deals
From Oregon to London Heathrow
Search Deals
One-way flight from Oregon to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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

 
Customize 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 2,558,603 searches. Data last updated May 27, 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 round-trip

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 11/9

4:05 pm-7:25 am

1 stop32h 20m

London Heathrow

Thu 11/12

6:50 am-11:06 pm

2 stops23h 16m

$752

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 9/6

6:05 am-6:30 pm

2 stops28h 25m

London Heathrow

Tue 10/6

6:40 am-4:43 pm

2 stops18h 03m

$875

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 10/19

12:25 pm-3:35 pm

1 stop19h 10m

London Heathrow

Thu 11/12

8:25 pm-4:43 pm

2 stops28h 18m

$875

MedfordLondon

MFR - LHR

MFRLHR

Medford

Sun 9/6

12:25 pm-3:35 pm

1 stop19h 10m

London Heathrow

Tue 10/6

6:30 am-4:43 pm

2 stops18h 13m

$875

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Sun 10/18

12:30 pm-3:35 pm

1 stop19h 05m

London Heathrow

Fri 10/23

6:30 am-4:35 pm

2 stops18h 05m

$877

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 9/8

5:20 pm-8:10 pm

2 stops18h 50m

London Heathrow

Thu 9/17

6:30 am-6:44 pm

2 stops20h 14m

$881

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Sat 10/17

5:20 pm-7:10 am

2 stops29h 50m

London Heathrow

Fri 10/23

6:30 am-10:46 pm

2 stops24h 16m

$881

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 9/15

7:15 am-7:10 am

2 stops16h 55m

London Heathrow

Tue 9/22

6:30 am-6:35 pm

2 stops19h 05m

$881

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Mon 10/12

12:40 pm-3:35 pm

2 stops18h 55m

London Heathrow

Fri 10/23

6:30 am-11:47 pm

2 stops25h 17m

$882

MedfordLondon

MFR - LHR

MFRLHR

Medford

Mon 8/31

6:28 pm-10:00 am

2 stops31h 32m

London Heathrow

Fri 9/25

2:05 pm-10:59 pm

2 stops40h 54m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

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 round-trip 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 $217). Flying from Oregon to London Heathrow Airport in January is currently the most expensive (average of $592). 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 May 27, 2026.

When flying from Oregon to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 27, 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 to fly round-trip from Oregon to London Heathrow Airport?

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

The price you pay for your flight from Oregon to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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?

    Departing from Oregon to London Heathrow Airport will take you 19h 10m. The distance from Oregon to London Heathrow Airport is about 5089 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to London Heathrow Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $215. However, be on the lookout for offers from Iberia and Delta, as they are both options that can get you from Oregon to London Heathrow Airport for a low price.

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

    When deciding which route to take from Oregon to London Heathrow Airport consider Portland - London Heathrow, Eugene - London Heathrow or Boise Air Term. Gowen Fld - London Heathrow as they are the most popular.

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

    The top 3 most reliable airlines when flying from Oregon to London Heathrow Airport are American Airlines (85%), Alaska Airlines (85%) and Aer Lingus (85%).

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

    Looking for the cheapest flight from Oregon to London Heathrow Airport? While on average our users pay $1,398, our data indicates the cheapest price to be $344. The most popular route (Portland - London Heathrow), is priced around $783.

  • 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 vacation 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 $217). Flying from Oregon to London Heathrow Airport in January is currently the most expensive (average of $592). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Oregon to Heathrow

Discover the top 10 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 2,558,603 searches. Data last updated May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$217Average$1,138FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$490Average$638FlexibilityNo cancel feeOn-time76%
IberiaCheapest$525Average$969FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$999FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$558Average$954FlexibilityNo cancel feeOn-time72%
KLMCheapest$561Average$672FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$573Average$884FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$600Average$1,101FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$630Average$890FlexibilityNo cancel feeOn-time67%
FinnairCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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