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$334+ Cheap flights from the United Kingdom 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from United Kingdom to Washington

Keep the following information in mind while searching for United Kingdom to Washington flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$615
(Gotogate)

One-way from

$334
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$728

Good round-trip deal

$694 or less

Good one-way deal

$765 or less
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
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From United Kingdom to Washington
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One-way flight from United Kingdom to Washington
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Highest demand for flights based on searches. 16% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from United Kingdom to Washington.
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Price to beat on a one-way flight from United Kingdom to Washington.
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Find flight deals from United Kingdom to Washington

Cheapest flights from United Kingdom to Washington
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/29. 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.
sáb. 9/203:40 pmLGW - SEA
1 stop13h 00mIcelandair
sáb. 10/113:45 pmSEA - LGW
1 stop14h 55mIcelandair
Deal found 4/29$613
This oojo deal was found by Cheapflights users on 4/30. 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.
sáb. 8/239:25 pmLHR - SEA
1 stop22h 00mIcelandair
sáb. 9/611:30 pmSEA - LHR
1 stop12h 50mIcelandair
Deal found 4/30$616
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
mié. 5/289:50 amLHR - SEA
Nonstop9h 45mBritish Airways
mié. 6/41:30 pmSEA - LHR
Nonstop9h 20mBritish Airways
Deal found 4/30$618
This Netflights deal was found by Cheapflights users on 4/30. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1712:20 pmLHR - SEA
Nonstop10h 40mVirgin Atlantic
dom. 11/2310:00 pmSEA - LHR
1 stop25h 05mVirgin Atlantic
Deal found 4/30$619
This TravelUp deal was found by Cheapflights users on 4/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/179:25 amLHR - SEA
Nonstop9h 45mMultiple Airlines
lun. 6/235:40 pmSEA - LHR
1 stop13h 30mMultiple Airlines
Deal found 4/30$620
This Mytrip deal was found by Cheapflights users on 4/30. 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.
mié. 5/1411:35 amLTN - SEA
2 stops35h 30mMultiple Airlines
mié. 5/215:05 pmSEA - LTN
2 stops21h 05mMultiple Airlines
Deal found 4/30$620
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
mar. 9/169:05 amLCY - SEA
1 stop16h 45mBritish Airways
mar. 10/77:35 pmSEA - LCY
1 stop14h 45mBritish Airways
Deal found 4/30$621
This lol.travel deal was found by Cheapflights users on 4/29. 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.
jue. 6/57:30 pmLHR - SEA
1 stop26h 20mScandinavian Airlines
lun. 6/94:00 pmSEA - LHR
1 stop18h 30mScandinavian Airlines
Deal found 4/29$621
This American Airlines deal was found by Cheapflights users on 4/30. 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.
jue. 5/89:50 amLHR - SEA
Nonstop9h 45mAmerican Airlines
jue. 5/227:20 amSEA - LHR
1 stop21h 10mAmerican Airlines
Deal found 4/30$623
This Lufthansa deal was found by Cheapflights users on 4/30. 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.
jue. 9/116:30 amLHR - SEA
1 stop13h 25mLufthansa
jue. 9/2510:00 amSEA - LHR
2 stops17h 50mLufthansa
Deal found 4/30$624
This World Air Fares deal was found by Cheapflights users on 4/30. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/209:25 amLHR - SEA
2 stops23h 20mFinnair
mié. 5/2810:59 pmSEA - LHR
2 stops26h 46mFinnair
Deal found 4/30$626
This United Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 9/199:30 amLHR - SEA
2 stops38h 21mUnited Airlines
dom. 9/217:20 amSEA - LHR
1 stop15h 10mUnited Airlines
Deal found 4/30$629

Cheapflights Fare Finder

Customize your flight search to find flights from United Kingdom 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 mayo 1, 2025.
Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.

Fly from

United Kingdom

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

sáb. 9/20

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

sáb. 10/11

3:45 pm-2:40 pm

1 stop14h 55m

$613

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

sáb. 8/23

9:25 pm-11:25 am

1 stop22h 00m

Seattle/Tacoma Intl

sáb. 9/6

11:30 pm-8:20 pm

1 stop12h 50m

$616

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

mié. 5/28

9:50 am-11:35 am

Nonstop9h 45m

Seattle/Tacoma Intl

mié. 6/4

1:30 pm-6:50 am

Nonstop9h 20m

$618

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

mar. 6/17

9:25 am-11:10 am

Nonstop9h 45m

Seattle/Tacoma Intl

lun. 6/23

5:40 pm-3:10 pm

1 stop13h 30m

$620

LondonSeattle

LTN - SEA

LTNSEA

London Luton

mié. 5/14

11:35 am-3:05 pm

2 stops35h 30m

Seattle/Tacoma Intl

mié. 5/21

5:05 pm-10:10 pm

2 stops21h 05m

$620

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

jue. 6/5

7:30 pm-1:50 pm

1 stop26h 20m

Seattle/Tacoma Intl

lun. 6/9

4:00 pm-6:30 pm

1 stop18h 30m

$621

LondonSeattle

LCY - SEA

LCYSEA

London City

mar. 9/16

9:05 am-5:50 pm

1 stop16h 45m

Seattle/Tacoma Intl

mar. 10/7

7:35 pm-6:20 pm

1 stop14h 45m

$621

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

mar. 5/20

6:15 am-11:15 am

1 stop13h 00m

Seattle/Tacoma Intl

mié. 5/28

7:16 am-6:25 am

1 stop15h 09m

$623

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

jue. 9/11

6:30 am-11:55 am

1 stop13h 25m

Seattle/Tacoma Intl

jue. 9/25

6:45 am-11:35 am

2 stops20h 50m

$624

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

mar. 5/20

9:25 am-12:45 am

2 stops23h 20m

Seattle/Tacoma Intl

mié. 5/28

10:59 pm-9:45 am

2 stops26h 46m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Washington

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

What is the cheapest month to book a flight from United Kingdom to State of Washington?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of $238). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of $405). 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 GB to WA?

Find hourly flight availability from United Kingdom 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 mayo 1, 2025.

When flying from United Kingdom 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 United Kingdom to State of Washington

Explore weekly flight availability from United Kingdom 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 mayo 1, 2025.

The most flights from GB0 to USWA are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 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 mayo 1, 2025.
Peruse reviews from past customers who have flown with Emirates, Delta and KLM from United Kingdom to Washington to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,215 reviews
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,934 reviews
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,334 reviews
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Finnair
7.6
Good
1,275 reviews
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
SWISS
7.5
Good
1,588 reviews
Emirates
8.0
Very good
3,215 reviews

Entertainment

8.2

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to State of Washington one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $382. Aer Lingus flights start at $548 while deals on Icelandair start at $570 one-way.

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

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

  • How can I find direct flights from United Kingdom to Washington?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of $238). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of $405). 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

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Alternative routes for United Kingdom to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from United Kingdom to Washington

Discover the top 8 airlines that operate flights from United Kingdom 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$402Average$784FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$551Average$911FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$620Average$870FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$620Average$891FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$635Average$978FlexibilityNo cancel feeOn-time72%
IberiaCheapest$673Average$1,001FlexibilityNo cancel feeOn-time77%
KLMCheapest$674Average$844FlexibilityNo cancel feeOn-time75%
DeltaCheapest$675Average$871FlexibilityNo cancel feeOn-timeN/A

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