HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$208+ Cheap flights from Washington 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Washington to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 14, 2024.

Find flight deals from Washington to Heathrow

Cheapest flights from Washington to Heathrow
Explore the most affordable flight options available from Washington to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This oojo deal was found by Cheapflights users on 11/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmPDX - LHR
1 stop20h 55mIcelandair
Tue 12/108:40 pmLHR - PDX
1 stop28h 10mIcelandair
Deal found 11/13$592
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmPDX - LHR
2 stops22h 25mMultiple Airlines
Wed 12/117:50 amLHR - PDX
2 stops17h 00mMultiple Airlines
Deal found 11/13$596
This Gotogate deal was found by Cheapflights users on 11/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/22:35 pmSEA - LHR
1 stop12h 15mIcelandair
Sat 12/712:15 pmLHR - SEA
1 stop12h 45mIcelandair
Deal found 11/13$599
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/18:00 pmSEA - LHR
1 stop17h 00mAer Lingus
Sun 12/87:50 amLHR - SEA
1 stop18h 25mAer Lingus
Deal found 11/13$610
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:00 pmSEA - LHR
1 stop17h 50mMultiple Airlines
Sun 12/88:25 amLHR - SEA
1 stop17h 50mMultiple Airlines
Deal found 11/14$622
This lol.travel deal was found by Cheapflights users on 11/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
Tue 1/146:20 amLHR - SEA
1 stop13h 00mVirgin Atlantic
Deal found 11/13$623
This Gotogate deal was found by Cheapflights users on 11/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:45 amSEA - LHR
2 stops19h 35mAir Canada
Tue 1/146:00 pmLHR - SEA
2 stops28h 30mAir Canada
Deal found 11/13$625
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Wed 12/410:10 amPDX - LHR
1 stop16h 00mUnited Airlines
Wed 12/113:00 pmLHR - PDX
2 stops37h 12mUnited Airlines
Deal found 11/13$647
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:55 pmSEA - LHR
Nonstop9h 45mDelta
Tue 1/1411:45 amLHR - SEA
1 stop32h 05mDelta
Deal found 11/13$649
This Priceline deal was found by Cheapflights users on 11/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:05 pmPDX - LHR
2 stops28h 05mAir Canada
Tue 12/241:25 pmLHR - PDX
2 stops28h 09mAir Canada
Deal found 11/13$659
This American Airlines deal was found by Cheapflights users on 11/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:00 pmPDX - LHR
1 stop16h 00mAmerican Airlines
Wed 12/112:20 pmLHR - PDX
Nonstop10h 15mAmerican Airlines
Deal found 11/13$664
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Tue 12/317:47 amSEA - LHR
1 stop14h 08mUnited Airlines
Thu 1/91:00 pmLHR - SEA
1 stop13h 25mUnited Airlines
Deal found 11/13$668

Find flights from Washington to Heathrow within your budget

Customize your flight search to find flights from Washington 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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 12/3

2:35 pm-7:30 pm

1 stop20h 55m

London Heathrow

Tue 12/10

8:40 pm-4:50 pm

1 stop28h 10m

$592

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 12/3

2:25 pm-9:00 pm

2 stops22h 35m

London Heathrow

Wed 12/11

7:50 am-4:50 pm

2 stops17h 00m

$596

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 3/23

3:35 pm-7:30 pm

1 stop20h 55m

London Heathrow

Mon 4/7

9:25 pm-5:40 pm

1 stop28h 15m

$598

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/1

8:00 pm-9:00 pm

1 stop17h 00m

London Heathrow

Sun 12/8

7:50 am-6:15 pm

1 stop18h 25m

$610

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 2/16

8:00 pm-9:50 pm

1 stop17h 50m

London Heathrow

Sun 3/2

11:15 am-6:15 pm

1 stop15h 00m

$621

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/29

5:45 pm-11:10 am

Nonstop9h 25m

London Heathrow

Tue 1/14

6:20 am-11:20 am

1 stop13h 00m

$623

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 12/29

5:45 am-9:20 am

2 stops19h 35m

London Heathrow

Tue 1/14

6:00 pm-2:30 pm

2 stops28h 30m

$625

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 4/8

7:40 pm-1:00 pm

Nonstop9h 20m

London Heathrow

Wed 5/14

9:30 am-4:00 pm

1 stop14h 30m

$629

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 1/15

6:30 pm-12:10 pm

Nonstop9h 40m

London Heathrow

Wed 1/22

2:20 pm-4:35 pm

Nonstop10h 15m

$641

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 3/3

10:35 am-10:10 am

1 stop15h 35m

London Heathrow

Fri 3/14

6:30 am-6:25 pm

2 stops18h 55m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Washington 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.

Travel insights for flights from Washington to Heathrow

Get recent, data-driven insights about flights from Washington to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from State of Washington to London Heathrow Airport (average of $648). Flying from State of Washington to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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 WA to LHR?

Find hourly flight availability from Washington 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 November 14, 2024.

When flying from State of Washington 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 State of Washington to London Heathrow Airport

Explore weekly flight availability from Washington 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 November 14, 2024.

The most flights from USWA to LHR are scheduled on a Wednesday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated November 14, 2024.
Read through reviews of airlines operating flights from Washington to London, such as Aer Lingus, WestJet and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines
8.0
Very good
9,439 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,346 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,304 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,640 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $208 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and Scandinavian Airlines, with prices starting from $214 and $380, respectively.

  • What are the most popular routes from State of Washington to London Heathrow Airport?

    While some choose either Portland - London Heathrow or Spokane - London Heathrow, Seattle/Tacoma Intl - London Heathrow is the most popular route from State of Washington to London Heathrow Airport.

  • What are the most reliable airlines from State of Washington to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from State of Washington to London Heathrow Airport consider choosing KLM (84%), Air France (77%) or Delta (77%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from State of Washington to London Heathrow Airport?

    On average you can expect to pay $1,781 for a flight from State of Washington to London Heathrow Airport. The cheapest flight overall is $440 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $538.

  • Can I find deals for flights from Washington to Heathrow that include hotel bookings?

    Yes. In addition to deals on Washington to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Heathrow.

  • Can I find deals for business class flights from Washington to Heathrow?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to London Heathrow Airport (average of $648). Flying from State of Washington to London Heathrow Airport in June is currently the most expensive (average of $1,089). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
Newark to London City flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
Stewart to Stansted flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
John F Kennedy Intl to Luton flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Boston to London City flights
Reagan-National to Heathrow flights
Atlanta to Heathrow flights
Los Angeles to Gatwick flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Los Angeles to London City flights
John F Kennedy Intl to Stansted flights
Dulles Intl to London City flights
Denver to Heathrow flights
Boston to Stansted flights
Hobby to Heathrow flights
O'Hare Intl to London City flights
Newark to Stansted flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Stewart to Luton flights
Newark to Luton flights
San Francisco to Gatwick flights
Reagan-National to Gatwick flights
Philadelphia to Heathrow flights
San Francisco to London City flights
Orlando to Heathrow flights
George Bush Intcntl to Heathrow flights
Seattle to Gatwick flights
Tampa to Heathrow flights
Seattle to London City flights
Raleigh to Heathrow flights
Ontario to Heathrow flights
Minneapolis to Heathrow flights
Charlotte to Heathrow flights
Boston to Luton flights

Top 10 airlines flying from Washington to Heathrow

Discover the top 10 airlines that operate flights from Washington 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$384Average$677FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$498Average$918FlexibilityNo cancel feeOn-time76%
FinnairCheapest$560Average$725FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$572Average$859FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$575Average$926FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$579Average$822FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$579Average$741FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$587Average$893FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$588Average$885FlexibilityNo cancel feeOn-time77%
KLMCheapest$598Average$858FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines