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$317+ 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
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$532
(United Airlines)

One-way from

$317
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$702

Good round-trip deal

$694 or less

Good one-way deal

$746 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. 15% potential increase in price ($143 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 April 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 April 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/211:30 amEDI - SEA
2 stops39h 53mUnited Airlines
Thu 5/85:05 amSEA - EDI
2 stops19h 20mUnited Airlines
Deal found 4/1$532
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Wed 5/216:55 amEDI - SEA
2 stops21h 33mMultiple Airlines
Wed 5/286:00 amSEA - EDI
2 stops20h 05mMultiple Airlines
Deal found 4/1$597
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:40 amLHR - SEA
2 stops18h 57mAir Canada
Thu 5/227:20 amSEA - LHR
1 stop18h 40mAir Canada
Deal found 3/30$598
This Gotogate deal was found by Cheapflights users on 3/31. 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 5/129:25 pmLHR - SEA
1 stop28h 25mIcelandair
Fri 5/167:00 pmSEA - LHR
1 stop32h 55mIcelandair
Deal found 3/31$600
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/97:25 amLHR - SEA
1 stop17h 34mUnited Airlines
Tue 5/137:14 amSEA - LHR
1 stop16h 26mUnited Airlines
Deal found 4/1$602
This EaseMyTrip deal was found by Cheapflights users on 4/1. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/23:40 pmLGW - SEA
1 stop34h 10mIcelandair
Mon 6/1611:30 pmSEA - LGW
1 stop31h 10mIcelandair
Deal found 4/1$603
This SWISS deal was found by Cheapflights users on 3/31. 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.
Tue 4/298:45 amLHR - SEA
2 stops20h 30mSWISS
Tue 5/62:40 pmSEA - LHR
2 stops19h 10mSWISS
Deal found 3/31$606
This TravelUp deal was found by Cheapflights users on 4/1. 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.
Thu 9/186:30 amLHR - SEA
1 stop13h 25mMultiple Airlines
Wed 9/245:45 amSEA - LHR
2 stops16h 45mMultiple Airlines
Deal found 4/1$607
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 4/228:50 amLHR - SEA
1 stop16h 09mBritish Airways
Wed 4/308:20 pmSEA - LHR
Nonstop9h 20mBritish Airways
Deal found 3/31$610
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 4/216:30 amLHR - SEA
1 stop13h 15mDelta
Mon 5/55:35 pmSEA - LHR
Nonstop9h 45mDelta
Deal found 4/1$613
This lol.travel deal was found by Cheapflights users on 4/1. 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.
Mon 4/211:25 pmLHR - SEA
Nonstop10h 20mVirgin Atlantic
Mon 5/55:35 pmSEA - LHR
Nonstop9h 45mVirgin Atlantic
Deal found 4/1$620
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 4/283:05 pmLGW - SEA
2 stops29h 38mAmerican Airlines
Mon 5/1211:59 pmSEA - LGW
2 stops24h 11mAmerican Airlines
Deal found 3/31$621

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 April 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

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Fri 5/2

11:30 am-7:23 pm

2 stops39h 53m

Seattle/Tacoma Intl

Thu 5/8

5:05 am-8:25 am

2 stops19h 20m

$532

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Wed 5/21

6:55 am-8:28 pm

2 stops21h 33m

Seattle/Tacoma Intl

Wed 5/28

6:00 am-10:05 am

2 stops20h 05m

$597

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 5/15

8:40 am-7:37 pm

2 stops18h 57m

Seattle/Tacoma Intl

Thu 5/22

7:20 am-10:00 am

1 stop18h 40m

$598

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 5/12

9:25 pm-5:50 pm

1 stop28h 25m

Seattle/Tacoma Intl

Fri 5/16

7:00 pm-11:55 am

1 stop32h 55m

$600

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 5/9

7:25 am-4:59 pm

1 stop17h 34m

Seattle/Tacoma Intl

Tue 5/13

7:14 am-7:40 am

1 stop16h 26m

$602

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 6/2

3:40 pm-5:50 pm

1 stop34h 10m

Seattle/Tacoma Intl

Mon 6/16

11:30 pm-2:40 pm

1 stop31h 10m

$603

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 4/29

8:45 am-9:15 pm

2 stops20h 30m

Seattle/Tacoma Intl

Tue 5/6

2:40 pm-5:50 pm

2 stops19h 10m

$606

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 9/18

6:30 am-11:55 am

1 stop13h 25m

Seattle/Tacoma Intl

Wed 9/24

5:45 am-6:30 am

2 stops16h 45m

$607

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 4/22

8:50 am-4:59 pm

1 stop16h 09m

Seattle/Tacoma Intl

Wed 4/30

8:20 pm-1:40 pm

Nonstop9h 20m

$610

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 4/21

6:30 am-11:45 am

1 stop13h 15m

Seattle/Tacoma Intl

Mon 4/28

8:20 pm-2:15 pm

Nonstop9h 55m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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 $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 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 April 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 April 1, 2025.

The most flights from GB0 to USWA are scheduled on a Tuesday (21 on average). You will have fewer flight options on Monday, 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 April 1, 2025.
Peruse reviews from past customers who have flown with Emirates, Delta and Alaska Airlines 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
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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
7,898 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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.
Alaska Airlines
8.0
Very good
9,820 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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
1,323 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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
1,267 reviews
Emirates
8.0
Very good
3,192 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Boarding

8.1

Overall

8.0

Crew

8.3

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 $371. Icelandair flights start at $519 while deals on Aer Lingus start at $529 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 $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

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Alternative routes for United Kingdom to Washington

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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$402Average$740FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$551Average$996FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$620Average$1,011FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$621Average$807FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$635Average$947FlexibilityNo cancel feeOn-time72%
IberiaCheapest$673Average$975FlexibilityNo cancel feeOn-time77%
KLMCheapest$674Average$844FlexibilityNo cancel feeOn-time75%
DeltaCheapest$681Average$961FlexibilityNo cancel feeOn-timeN/A

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