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$227+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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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 diciembre 18, 2024.

Round-trip from

$597
(Gotogate)

One-way from

$227
(Kiwi.com)
From Washington to London Heathrow
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One-way flight from Washington to London Heathrow
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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 diciembre 18, 2024.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mLufthansa
jue. 1/91:25 pmLHR - SEA
2 stops28h 25mLufthansa
Deal found 12/18$834
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mAir Canada
jue. 1/911:10 amLHR - SEA
1 stop18h 20mAir Canada
Deal found 12/18$840
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.
mar. 12/3110:35 amSEA - LHR
1 stop15h 35mUnited Airlines
jue. 1/91:00 pmLHR - SEA
1 stop17h 00mUnited Airlines
Deal found 12/17$842
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/3010:18 amPDX - LHR
1 stop15h 42mKLM
lun. 1/68:25 pmLHR - PDX
1 stop23h 00mKLM
Deal found 12/17$920
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/315:45 pmSEA - LHR
Nonstop9h 25mVirgin Atlantic
jue. 1/912:40 pmLHR - SEA
Nonstop10h 00mVirgin Atlantic
Deal found 12/18$930
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/177:03 amPDX - LHR
1 stop16h 12mDelta
mar. 12/246:20 amLHR - PDX
2 stops18h 08mDelta
Deal found 12/16$934
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/175:00 amPDX - LHR
2 stops23h 45mUnited Airlines
mar. 12/243:00 pmLHR - PDX
2 stops37h 49mUnited Airlines
Deal found 12/16$938
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.
mar. 12/247:15 pmSEA - LHR
1 stop30h 55mMultiple Airlines
vie. 1/316:30 amLHR - SEA
2 stops20h 00mMultiple Airlines
Deal found 12/17$944
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.
lun. 12/305:45 pmSEA - LHR
Nonstop9h 25mDelta
mié. 1/83:50 pmLHR - SEA
Nonstop10h 30mDelta
Deal found 12/17$980
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2610:10 amPDX - LHR
1 stop16h 00mLufthansa
dom. 1/196:30 amLHR - PDX
2 stops19h 54mLufthansa
Deal found 12/17$1,002
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/246:50 pmSEA - LHR
Nonstop9h 25mIberia
vie. 1/313:00 pmLHR - SEA
Nonstop9h 55mIberia
Deal found 12/17$1,005
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.
jue. 12/266:00 amPDX - LHR
2 stops17h 10mMultiple Airlines
dom. 1/196:30 amLHR - PDX
2 stops19h 54mMultiple Airlines
Deal found 12/17$1,013

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 2,558,603 searches. Data last updated diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mié. 2/12

3:15 pm-12:50 pm

1 stop13h 35m

London Heathrow

lun. 2/24

2:50 pm-2:21 pm

1 stop31h 31m

$597

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mar. 4/8

3:45 pm-11:55 am

1 stop12h 10m

London Heathrow

mié. 5/14

9:25 pm-8:40 pm

1 stop31h 15m

$598

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

lun. 2/17

2:35 pm-10:50 am

1 stop12h 15m

London Heathrow

mié. 2/19

2:50 pm-2:21 pm

1 stop31h 31m

$612

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

mié. 1/22

7:04 pm-12:40 pm

Nonstop9h 36m

London Heathrow

mié. 1/29

6:20 am-12:14 pm

1 stop13h 54m

$648

PortlandLondon

PDX - LHR

PDXLHR

Portland

mié. 4/30

3:20 pm-8:20 pm

1 stop21h 00m

London Heathrow

jue. 5/15

1:05 pm-5:55 pm

1 stop12h 50m

$648

PortlandLondon

PDX - LHR

PDXLHR

Portland

lun. 1/27

7:05 pm-9:20 am

2 stops30h 15m

London Heathrow

mar. 2/4

6:30 am-10:09 pm

2 stops23h 39m

$650

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

dom. 5/4

1:30 pm-6:50 am

Nonstop9h 20m

London Heathrow

jue. 5/22

10:20 am-4:00 pm

1 stop13h 40m

$653

PortlandLondon

PDX - LHR

PDXLHR

Portland

lun. 4/21

7:25 pm-1:00 pm

Nonstop9h 35m

London Heathrow

mié. 5/7

3:40 pm-5:35 pm

Nonstop9h 55m

$655

PortlandLondon

PDX - LHR

PDXLHR

Portland

dom. 1/26

10:10 am-9:20 am

2 stops15h 10m

London Heathrow

mar. 2/11

1:00 pm-10:09 pm

1 stop17h 09m

$658

PortlandLondon

PDX - LHR

PDXLHR

Portland

dom. 1/26

1:25 pm-1:50 pm

1 stop16h 25m

London Heathrow

mar. 2/11

6:30 am-11:25 am

1 stop12h 55m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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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 $661). Flying from State of Washington to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 diciembre 18, 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 diciembre 18, 2024.

The most flights from USWA to LHR are scheduled on a Tuesday (18 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 diciembre 18, 2024.
Read through reviews of airlines operating flights from Washington to London, such as Air Canada, Scandinavian Airlines and American 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
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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
9,552 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

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

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

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

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
668 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

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?

    $269 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 $278 and $392, 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 (89%), Singapore Airlines (86%) or Air France (84%) 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 $1,827 for a flight from State of Washington to London Heathrow Airport. The cheapest flight overall is $407 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $549.

  • 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 $661). Flying from State of Washington to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 Washington to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to London City flights
Dulles Intl to Gatwick flights
Newark to Luton flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
Dulles Intl to London City flights
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Boston to Stansted flights
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San Francisco to Gatwick flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Philadelphia to Heathrow flights
O'Hare Intl to London City flights
LaGuardia to Gatwick flights
Raleigh to Heathrow flights
San Francisco to London City flights
Seattle to Gatwick flights
George Bush Intcntl to Heathrow flights
Minneapolis to Heathrow flights
Reagan-National to Gatwick flights
Baltimore to Stansted flights
Sky Harbor Intl to Heathrow flights
Charlotte to Heathrow flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick 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 2,558,603 searches. Data last updated diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$384Average$689FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$497Average$650FlexibilityNo cancel feeOn-time76%
FinnairCheapest$560Average$832FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$572Average$889FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$581Average$828FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$583Average$748FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$588Average$901FlexibilityNo cancel feeOn-time77%
KLMCheapest$597Average$860FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$601Average$857FlexibilityNo cancel feeOn-time72%
DeltaCheapest$602Average$891FlexibilityNo cancel feeOn-timeN/A
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