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$510+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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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 January 16, 2025.

Round-trip from

$535
(Delta)

One-way from

$510
(Kiwi.com)
From London Heathrow to Washington
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One-way flight from London Heathrow to Washington
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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 January 16, 2025.

This Delta deal was found by Cheapflights users on 1/16. 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.
Wed 2/266:30 amLHR - SEA
2 stops18h 25mDelta
Tue 3/410:55 pmSEA - LHR
1 stop13h 15mDelta
Deal found 1/16$535
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:30 amLHR - SEA
1 stop14h 30mAmerican Airlines
Thu 9/1811:51 amSEA - LHR
1 stop18h 49mAmerican Airlines
Deal found 1/16$536
This Air Canada deal was found by Cheapflights users on 1/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/223:00 pmLHR - SEA
2 stops31h 30mMultiple Airlines
Wed 1/299:20 amSEA - LHR
2 stops16h 50mMultiple Airlines
Deal found 1/15$537
This Virgin Atlantic deal was found by Cheapflights users on 1/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/286:20 amLHR - SEA
1 stop13h 00mVirgin Atlantic
Tue 2/45:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
Deal found 1/16$540
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:35 amLHR - SEA
2 stops31h 37mUnited Airlines
Mon 3/178:50 amSEA - LHR
1 stop17h 50mUnited Airlines
Deal found 1/16$541
This Lufthansa deal was found by Cheapflights users on 1/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/263:30 pmLHR - SEA
1 stop28h 40mLufthansa
Tue 3/410:35 amSEA - LHR
2 stops14h 45mLufthansa
Deal found 1/16$542
This KLM deal was found by Cheapflights users on 1/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:50 pmLHR - SEA
Nonstop10h 40mKLM
Thu 11/136:55 pmSEA - LHR
Nonstop9h 45mKLM
Deal found 1/16$547
This SWISS deal was found by Cheapflights users on 1/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amLHR - SEA
2 stops23h 29mSWISS
Wed 11/121:55 pmSEA - LHR
2 stops23h 45mSWISS
Deal found 1/16$548
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/31:25 pmLHR - SEA
2 stops16h 35mAir Canada
Mon 2/105:45 amSEA - LHR
1 stop20h 25mAir Canada
Deal found 1/16$556
This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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.
Thu 2/133:00 pmLHR - SEA
Nonstop9h 55mBritish Airways
Thu 2/206:50 pmSEA - LHR
Nonstop9h 25mBritish Airways
Deal found 1/16$560
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/49:25 amLHR - SEA
Nonstop9h 55mFinnair
Mon 2/106:50 pmSEA - LHR
Nonstop9h 25mFinnair
Deal found 1/16$574
This Justfly.com deal was found by Cheapflights users on 1/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/33:00 pmLHR - SEA
Nonstop9h 55mIberia
Mon 2/106:50 pmSEA - LHR
Nonstop9h 25mIberia
Deal found 1/16$583

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 January 16, 2025.

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Route

Depart

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Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/26

6:30 am-4:55 pm

2 stops18h 25m

Seattle/Tacoma Intl

Tue 3/4

10:55 pm-8:10 pm

1 stop13h 15m

$535

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/12

3:00 pm-4:55 pm

Nonstop9h 55m

Seattle/Tacoma Intl

Thu 3/6

6:50 pm-12:15 pm

Nonstop9h 25m

$536

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 1/22

3:00 pm-2:30 pm

2 stops31h 30m

Seattle/Tacoma Intl

Wed 1/29

9:20 am-10:10 am

2 stops16h 50m

$537

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 1/28

6:20 am-11:20 am

1 stop13h 00m

Seattle/Tacoma Intl

Tue 2/4

5:45 pm-11:10 am

Nonstop9h 25m

$540

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 3/3

11:35 am-11:12 am

2 stops31h 37m

Seattle/Tacoma Intl

Mon 3/17

8:50 am-9:40 am

1 stop17h 50m

$541

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 1/26

11:30 am-12:10 pm

1 stop32h 40m

Seattle/Tacoma Intl

Thu 3/6

10:35 am-9:20 am

2 stops14h 45m

$542

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 2/7

12:40 pm-2:40 pm

Nonstop10h 00m

Seattle/Tacoma Intl

Thu 2/13

5:45 pm-11:10 am

Nonstop9h 25m

$551

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 2/26

8:55 am-9:15 pm

2 stops20h 20m

Seattle/Tacoma Intl

Wed 3/5

3:24 pm-5:50 pm

2 stops18h 26m

$555

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/3

1:25 pm-10:00 pm

2 stops16h 35m

Seattle/Tacoma Intl

Mon 2/10

5:45 am-10:10 am

1 stop20h 25m

$556

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 2/4

9:25 am-11:20 am

Nonstop9h 55m

Seattle/Tacoma Intl

Mon 2/10

6:50 pm-12:15 pm

Nonstop9h 25m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 60 results
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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 January 16, 2025.

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 January 16, 2025.

The most flights from LHR to USWA 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 (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 January 16, 2025.
See what other customers who have flown with United Airlines, Lufthansa and Icelandair 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
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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
786 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,511 reviews

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

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 Aer Lingus ($517), Icelandair ($519), and Finnair ($529).

  • 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 KLM (75%), Air France (75%) or Delta (75%) 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 $578. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for $444 on average our data indicates $1,394 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.

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Alternative routes for Heathrow to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to Newark flights
London City to New Orleans 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$559Average$845FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$608Average$920FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$613Average$997FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$621Average$763FlexibilityNo cancel feeOn-time71%
IberiaCheapest$656Average$975FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$671Average$988FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$674Average$844FlexibilityNo cancel feeOn-time75%
DeltaCheapest$675Average$875FlexibilityNo cancel feeOn-timeN/A
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