HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$476+ Cheap flights from Heathrow (LHR) to Washington

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Washington 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 Heathrow to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Washington (USWA). 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 December 18, 2024.

Round-trip from

$655
(Air Canada)

One-way from

$476
(Kiwi.com)
From London Heathrow to Washington
Search Deals
One-way flight from London Heathrow to Washington
Search Deals

Find flight deals from Heathrow to Washington

Cheapest flights from Heathrow to Washington
Explore the most affordable flight options available from Heathrow to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Delta deal was found by Cheapflights users on 12/18. 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.
Tue 12/311:15 pmLHR - SEA
Nonstop10h 00mDelta
Thu 2/205:45 pmSEA - LHR
Nonstop9h 25mDelta
Deal found 12/18$783
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:15 pmLHR - SEA
Nonstop10h 00mVirgin Atlantic
Fri 1/315:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
Deal found 12/17$823
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:05 amLHR - SEA
1 stop17h 03mAmerican Airlines
Tue 1/76:50 pmSEA - LHR
Nonstop9h 25mAmerican Airlines
Deal found 12/17$825
This ChecknFly deal was found by Cheapflights users on 12/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:35 amLHR - SEA
2 stops31h 55mLufthansa
Fri 1/317:00 amSEA - LHR
2 stops15h 55mLufthansa
Deal found 12/17$865
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:45 amLHR - PDX
1 stop20h 10mDelta
Sun 1/195:15 amPDX - LHR
1 stop21h 55mDelta
Deal found 12/17$875
This ChecknFly deal was found by Cheapflights users on 12/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/293:50 pmLHR - SEA
Nonstop10h 40mAir France
Sun 1/199:40 pmSEA - LHR
1 stop28h 20mAir France
Deal found 12/17$884
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3010:40 amLHR - SEA
1 stop18h 38mIberia
Mon 1/62:13 pmSEA - LHR
1 stop32h 07mIberia
Deal found 12/16$893
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 12/246:35 amLHR - SEA
1 stop14h 45mMultiple Airlines
Tue 1/2111:05 amSEA - LHR
1 stop16h 10mMultiple Airlines
Deal found 12/17$894
This Ovago deal was found by Cheapflights users on 12/18. 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.
Tue 12/313:00 pmLHR - SEA
Nonstop9h 55mBritish Airways
Tue 2/181:35 pmSEA - LHR
Nonstop9h 25mBritish Airways
Deal found 12/18$897
This CrystalTravel deal was found by Cheapflights users on 12/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:25 amLHR - SEA
Nonstop9h 55mFinnair
Tue 12/316:50 pmSEA - LHR
Nonstop9h 25mFinnair
Deal found 12/17$898
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/3111:35 amLHR - SEA
2 stops31h 55mUnited Airlines
Fri 1/317:00 amSEA - LHR
2 stops15h 55mUnited Airlines
Deal found 12/17$905
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:30 pmLHR - PDX
2 stops27h 04mAir Canada
Sun 1/197:05 pmPDX - LHR
2 stops28h 05mAir Canada
Deal found 12/17$920

Find flights from Heathrow to Washington within your budget

Customize your flight search to find flights from Heathrow to Washington 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/10

6:30 am-6:25 pm

2 stops19h 55m

Seattle/Tacoma Intl

Mon 2/24

5:45 am-10:10 am

1 stop20h 25m

$655

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 1/27

1:15 pm-3:15 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Tue 2/11

5:45 pm-11:10 am

Nonstop9h 25m

$662

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/10

1:15 pm-3:15 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 2/24

5:45 pm-11:10 am

Nonstop9h 25m

$664

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 1/14

6:35 am-1:20 pm

1 stop14h 45m

Seattle/Tacoma Intl

Tue 1/21

7:00 am-9:10 am

2 stops18h 10m

$665

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 1/27

8:05 pm-10:53 pm

2 stops34h 48m

Seattle/Tacoma Intl

Tue 2/11

12:50 pm-5:50 pm

2 stops21h 00m

$666

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 1/14

6:00 am-8:31 pm

2 stops22h 31m

Seattle/Tacoma Intl

Tue 1/21

8:00 am-11:15 am

2 stops19h 15m

$667

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 4/23

10:50 am-4:55 pm

1 stop14h 05m

Seattle/Tacoma Intl

Mon 5/19

12:50 pm-10:40 am

1 stop13h 50m

$668

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 1/18

2:50 pm-10:00 am

2 stops27h 10m

Seattle/Tacoma Intl

Fri 1/24

11:30 am-12:50 pm

2 stops17h 20m

$674

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/12

8:20 am-8:04 pm

1 stop19h 44m

Seattle/Tacoma Intl

Wed 2/19

6:50 pm-12:15 pm

Nonstop9h 25m

$676

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 4/24

1:05 pm-5:50 pm

1 stop12h 45m

Seattle/Tacoma Intl

Sat 5/17

3:45 pm-11:55 am

1 stop12h 10m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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

Best time to book a flight from Heathrow to Washington

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

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

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to State of Washington (average of $238). Flying from London Heathrow Airport to State of Washington in July is currently the most expensive (average of $411). 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 LHR to WA?

Find hourly flight availability from Heathrow to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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

Explore weekly flight availability from Heathrow to Washington. 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 December 18, 2024.

The most flights from LHR to USWA are scheduled on a Tuesday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 18, 2024.
See what other customers who have flown with Virgin Atlantic, Air France and SWISS from London to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air New Zealand
8.0
Very good
496 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
787 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Washington. 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 London Heathrow Airport to State of Washington one-way?

    The cheapest airlines for a one-way flight from London Heathrow Airport to State of Washington are Icelandair ($529), WestJet ($532), and Aer Lingus ($535).

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

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

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

    Consider Air France (73%), Delta (73%) or Virgin Atlantic (73%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to State of Washington.

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

    Looking at all options, your cheapest flight can be booked for $676. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for $528 on average our data indicates $1,408 when flying from London Heathrow Airport to State of Washington.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to State of Washington (average of $238). Flying from London Heathrow Airport to State of Washington in July is currently the most expensive (average of $411). 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 Heathrow to Washington

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

Top 8 airlines flying from Heathrow to Washington

Discover the top 8 airlines that operate flights from Heathrow to Washington. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$558Average$823FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$600Average$910FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$614Average$1,006FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$621Average$764FlexibilityNo cancel feeOn-time71%
DeltaCheapest$663Average$883FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$671Average$988FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$674Average$844FlexibilityNo cancel feeOn-time75%
IberiaCheapest$680Average$975FlexibilityNo cancel feeOn-time77%
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.