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$296+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Oregon to Heathrow

Keep the following information in mind while searching for Oregon to Heathrow flight deals. Data was last updated September 16, 2025.

Round-trip from

$545
(KLM)

One-way from

$296
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$727

Good round-trip deal

$673 or less

Good one-way deal

$490 or less
From Oregon to London Heathrow
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One-way flight from Oregon to London Heathrow
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Highest demand for flights based on searches. 22% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Oregon to London Heathrow.
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Price to beat on a one-way flight from Oregon to London Heathrow.
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Find 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/225:00 amPDX - LHR
1 stop23h 20mUnited Airlines
Wed 10/296:00 pmLHR - PDX
2 stops35h 10mUnited Airlines
Deal found 9/15$545
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:45 pmPDX - LHR
Nonstop9h 35mBritish Airways
Wed 11/191:45 pmLHR - PDX
Nonstop10h 10mBritish Airways
Deal found 9/15$546
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:20 pmPDX - LHR
1 stop12h 35mIcelandair
Sat 11/18:35 pmLHR - PDX
1 stop28h 25mIcelandair
Deal found 9/15$547
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/64:07 pmPDX - LHR
1 stop12h 13mUnited Airlines
Wed 10/222:10 pmLHR - PDX
1 stop16h 51mUnited Airlines
Deal found 9/14$548
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/37:35 pmPDX - LHR
2 stops54h 05mUnited Airlines
Thu 10/162:10 pmLHR - PDX
1 stop32h 36mUnited Airlines
Deal found 9/13$549
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 9/244:07 pmPDX - LHR
1 stop12h 13mUnited Airlines
Wed 10/17:45 amLHR - PDX
2 stops20h 35mUnited Airlines
Deal found 9/14$550
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/85:30 amPDX - LHR
2 stops21h 40mUnited Airlines
Tue 10/212:10 pmLHR - PDX
1 stop32h 36mUnited Airlines
Deal found 9/15$551
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:25 pmPDX - LHR
Nonstop9h 35mBritish Airways
Wed 10/228:20 amLHR - PDX
1 stop16h 44mBritish Airways
Deal found 9/14$552
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:45 pmPDX - LHR
1 stop20h 45mIcelandair
Sat 12/68:35 pmLHR - PDX
1 stop28h 25mIcelandair
Deal found 9/14$553
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:10 amPDX - LHR
1 stop19h 05mDelta
Wed 10/226:15 amLHR - PDX
2 stops18h 30mDelta
Deal found 9/16$554
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 9/2311:18 amPDX - LHR
1 stop13h 47mBritish Airways
Tue 10/143:10 pmLHR - PDX
1 stop16h 19mBritish Airways
Deal found 9/14$555
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 9/232:06 pmPDX - LHR
1 stop14h 39mBritish Airways
Thu 10/210:30 amLHR - PDX
1 stop16h 25mBritish Airways
Deal found 9/16$556

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 September 16, 2025.
Use the filters below to find and compare flights from Oregon to London Heathrow Airport that are best for you.

Fly from

Oregon

Fly to

Heathrow

Route

Depart

Return

Price

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 10/14

3:50 pm-11:10 am

2 stops35h 20m

London Heathrow

Tue 11/4

2:30 pm-2:45 pm

1 stop32h 15m

$545

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 10/5

1:40 pm-2:15 pm

1 stop16h 35m

London Heathrow

Tue 10/14

7:15 pm-11:20 am

1 stop24h 05m

$545

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 10/22

3:25 pm-1:20 pm

1 stop13h 55m

London Heathrow

Fri 10/31

6:50 am-8:29 pm

2 stops20h 39m

$546

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 10/8

7:30 am-7:25 am

1 stop15h 55m

London Heathrow

Wed 10/22

2:10 pm-6:46 pm

1 stop12h 36m

$551

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 2/9

6:15 am-7:05 am

1 stop16h 50m

London Heathrow

Wed 2/18

6:30 am-11:25 am

1 stop12h 55m

$552

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 1/25

12:55 am-7:05 am

1 stop22h 10m

London Heathrow

Fri 2/6

6:30 am-11:25 am

1 stop12h 55m

$553

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 10/6

1:40 pm-8:00 pm

1 stop22h 20m

London Heathrow

Wed 10/22

6:15 am-4:45 pm

2 stops18h 30m

$554

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 3/2

9:50 am-11:50 am

1 stop18h 00m

London Heathrow

Mon 3/16

11:05 am-8:25 pm

2 stops40h 20m

$559

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 10/24

5:30 am-2:10 pm

1 stop24h 40m

London Heathrow

Tue 10/28

2:30 pm-9:15 am

1 stop25h 45m

$589

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 10/10

5:30 am-2:10 pm

1 stop24h 40m

London Heathrow

Wed 10/15

2:10 pm-9:20 am

1 stop27h 10m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 55 results
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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, November is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of $661). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 September 16, 2025.

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 September 16, 2025.

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?

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 16h 35m. The distance from Oregon to London Heathrow Airport is about 4896 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $359. However, be on the lookout for offers from United Airlines and Air Canada, 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, Boise Air Term. Gowen Fld - London Heathrow or Eugene - 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 (77%), Alaska Airlines (77%) and Aer Lingus (77%).

  • 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 $1,194, our data indicates the cheapest price to be $420. The most popular route (Portland - London Heathrow), is priced around $471.

  • 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, November is the cheapest month in which you can book a flight from Oregon to London Heathrow Airport (average of $661). Flying from Oregon to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

Browse thousands of different options on Cheapflights for your next trip

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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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$490Average$684FlexibilityNo cancel feeOn-time76%
DeltaCheapest$554Average$1,040FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$561Average$669FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$567Average$935FlexibilityNo cancel feeOn-time72%
IberiaCheapest$578Average$778FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$595Average$844FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$623Average$1,002FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$628Average$1,204FlexibilityNo cancel feeOn-time71%
FinnairCheapest$641Average$818FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$704Average$967FlexibilityNo cancel feeOn-time67%

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