$318+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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Cheapest flights from United Kingdom to WashingtonExplore 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 März 16, 2026.
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 März 16, 2026.
This Super.com deal was found by Cheapflights users on 3/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/133:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Mo 4/273:40 pm
SEA
- LGW
1 stop12h 05m
Icelandair
Deal found 3/11![Icelandair logo]()
$574
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Mo 4/273:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$576
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
Di 4/283:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$577
This Vliegwinkel deal was found by Cheapflights users on 3/11. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 4/253:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Sa 5/27:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 3/11![Icelandair logo]()
$585
This deal was found by Cheapflights users on 3/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/273:05 pm
LHR
- SEA
1 stop12h 15m
Air Canada
Mo 5/42:55 pm
SEA
- LHR
1 stop14h 25m
Air Canada
Deal found 3/11![Air Canada logo]()
$589
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/151:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
Mo 4/273:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$590
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Mo 4/1312:00 pm
STN
- SEA
2 stops16h 40m
Multiple Airlines
Mo 4/273:40 pm
SEA
- STN
2 stops22h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$595
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
So 4/263:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$602
This deal was found by Cheapflights users on 3/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 5/261:00 pm
LGW
- SEA
1 stop15h 40m
Icelandair
So 6/77:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 3/12![Icelandair logo]()
$603
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Do 4/233:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$607
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Mi 4/293:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$608
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Do 4/306:00 am
MAN
- SEA
2 stops22h 40m
Multiple Airlines
Mo 5/43:40 pm
SEA
- MAN
2 stops22h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$609
Best flights from United Kingdom to WashingtonDiscover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated März 16, 2026.
Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated März 16, 2026.
This Icelandair deal was found by Cheapflights users on 3/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/223:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
So 4/267:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 3/15![Icelandair logo]()
$685
This Mytrip deal was found by Cheapflights users on 3/12. 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.
So 4/269:00 am
LTN
- SEA
3 stops32h 38m
Multiple Airlines
So 5/37:00 pm
SEA
- LTN
2 stops16h 40m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Di 8/257:25 am
LHR
- SEA
2 stops19h 04m
United Airlines
Mo 9/711:00 pm
SEA
- LHR
1 stop14h 35m
United Airlines
Deal found 3/11![United Airlines logo]()
$814
This SWISS deal was found by Cheapflights users on 3/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/139:25 am
LGW
- SEA
2 stops21h 17m
SWISS
Mo 4/277:00 am
SEA
- LGW
2 stops17h 20m
SWISS
Deal found 3/15![SWISS logo]()
$825
This Scandinavian Airlines deal was found by Cheapflights users on 3/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 5/317:30 pm
LHR
- SEA
2 stops32h 25m
Scandinavian Airlines
So 6/143:55 pm
SEA
- LHR
2 stops18h 55m
Scandinavian Airlines
Deal found 3/15![Scandinavian Airlines logo]()
$833
This British Airways deal was found by Cheapflights users on 3/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/229:50 am
LHR
- SEA
Nonstop9h 45m
British Airways
So 4/2612:34 pm
SEA
- LHR
1 stop13h 46m
British Airways
Deal found 3/12![British Airways logo]()
$838
This lol.travel deal was found by Cheapflights users on 3/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/43:05 pm
LHR
- PDX
1 stop12h 00m
Air Canada
Mo 5/183:30 pm
PDX
- LHR
1 stop13h 50m
Air Canada
Deal found 3/15![Air Canada logo]()
$844
This Delta deal was found by Cheapflights users on 3/16. 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.
Do 4/3010:25 am
LGW
- SEA
1 stop15h 13m
Delta
Do 5/77:30 am
SEA
- LGW
2 stops17h 55m
Delta
Deal found 3/16![Delta logo]()
$851
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/35:00 pm
LHR
- SEA
Nonstop9h 55m
Alaska Airlines
Do 9/179:45 pm
SEA
- LHR
Nonstop9h 20m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$872
This Virgin Atlantic deal was found by Cheapflights users on 3/14. 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.
Mo 4/208:25 am
LCY
- SEA
2 stops21h 25m
Virgin Atlantic
Di 5/55:35 pm
SEA
- LCY
1 stop15h 05m
Virgin Atlantic
Deal found 3/14![Virgin Atlantic logo]()
$890
This Turkish Airlines deal was found by Cheapflights users on 3/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/1310:50 am
STN
- SEA
1 stop38h 25m
Turkish Airlines
Mo 4/207:10 pm
SEA
- STN
1 stop19h 00m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$914
This KLM deal was found by Cheapflights users on 3/11. 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.
Do 6/1110:00 am
LCY
- SEA
1 stop14h 24m
KLM
So 7/51:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Deal found 3/11![KLM logo]()
$935
This Icelandair deal was found by Cheapflights users on 3/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/229:25 pm
LHR
- SEA
1 stop31h 15m
Icelandair
So 4/263:40 pm
SEA
- LHR
1 stop20h 40m
Icelandair
Deal found 3/15![Icelandair logo]()
$687
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Do 4/99:25 am
LTN
- SEA
2 stops19h 15m
Multiple Airlines
Do 4/163:40 pm
SEA
- LTN
2 stops23h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Do 4/167:30 am
LHR
- SEA
2 stops18h 30m
United Airlines
Do 4/237:05 pm
SEA
- LHR
2 stops17h 35m
United Airlines
Deal found 3/14![United Airlines logo]()
$820
This SWISS deal was found by Cheapflights users on 3/11. 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.
Sa 4/259:25 am
LGW
- SEA
2 stops19h 32m
SWISS
Sa 5/210:52 am
SEA
- LGW
2 stops37h 33m
SWISS
Deal found 3/11![SWISS logo]()
$841
This Delta deal was found by Cheapflights users on 3/13. 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.
Do 6/256:30 am
LHR
- SEA
1 stop13h 07m
Delta
Di 7/77:20 am
SEA
- LHR
1 stop15h 25m
Delta
Deal found 3/13![Delta logo]()
$867
This Icelandair deal was found by Cheapflights users on 3/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/221:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
So 4/263:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/11![Icelandair logo]()
$799
This Scandinavian Airlines deal was found by Cheapflights users on 3/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 5/177:30 pm
MAN
- SEA
2 stops35h 25m
Scandinavian Airlines
So 5/313:55 pm
SEA
- MAN
1 stop33h 00m
Scandinavian Airlines
Deal found 3/15![Scandinavian Airlines logo]()
$896
This Virgin Atlantic deal was found by Cheapflights users on 3/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/296:30 am
LHR
- PDX
1 stop12h 40m
Virgin Atlantic
Mi 5/61:55 pm
PDX
- LHR
1 stop15h 10m
Virgin Atlantic
Deal found 3/15![Virgin Atlantic logo]()
$902
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fr 4/176:55 am
LHR
- SEA
1 stop18h 04m
United Airlines
Mo 4/208:00 am
SEA
- LHR
2 stops17h 20m
United Airlines
Deal found 3/12![United Airlines logo]()
$822
This lol.travel deal was found by Cheapflights users on 3/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/47:30 am
LHR
- PDX
2 stops19h 35m
Multiple Airlines
Mo 5/1810:10 am
PDX
- LHR
1 stop19h 10m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$826
This Turkish Airlines deal was found by Cheapflights users on 3/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/410:50 am
STN
- SEA
1 stop38h 25m
Turkish Airlines
Fr 5/87:10 pm
SEA
- STN
1 stop37h 30m
Turkish Airlines
Deal found 3/14![Turkish Airlines logo]()
$931
This KLM deal was found by Cheapflights users on 3/12. 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.
Mi 5/1310:00 am
LCY
- SEA
1 stop14h 30m
KLM
So 5/241:45 pm
SEA
- LCY
1 stop12h 05m
KLM
Deal found 3/12![KLM logo]()
$953
This Delta deal was found by Cheapflights users on 3/14. 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.
Do 6/118:40 am
LHR
- SEA
1 stop15h 44m
Delta
So 7/56:20 pm
SEA
- LHR
Nonstop9h 50m
Delta
Deal found 3/14![Delta logo]()
$867
This SWISS deal was found by Cheapflights users on 3/14. 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.
Di 9/19:15 am
LCY
- PDX
2 stops19h 35m
SWISS
Di 9/153:43 pm
PDX
- LCY
2 stops17h 42m
SWISS
Deal found 3/14![SWISS logo]()
$895
This British Airways deal was found by Cheapflights users on 3/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/236:45 am
LCY
- SEA
1 stop18h 25m
British Airways
Mo 4/277:10 pm
SEA
- LCY
1 stop18h 25m
British Airways
Deal found 3/12![British Airways logo]()
$986
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fr 9/47:25 am
LHR
- SEA
1 stop17h 34m
United Airlines
Mo 9/711:10 pm
SEA
- LHR
1 stop23h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$825
This Turkish Airlines deal was found by Cheapflights users on 3/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 4/2510:50 am
STN
- SEA
1 stop38h 25m
Turkish Airlines
Sa 5/27:10 pm
SEA
- STN
1 stop30h 45m
Turkish Airlines
Deal found 3/15![Turkish Airlines logo]()
$941
This Virgin Atlantic deal was found by Cheapflights users on 3/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/48:15 pm
LCY
- PDX
1 stop22h 55m
Virgin Atlantic
Mo 5/181:05 pm
PDX
- LCY
1 stop12h 25m
Virgin Atlantic
Deal found 3/15![Virgin Atlantic logo]()
$946
Last-minute flights from United Kingdom to WashingtonDiscover last-minute flight deals from United Kingdom to Washington. Data last updated März 16, 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Washington. Data last updated März 16, 2026 and is based on user searches.
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Mo 4/273:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$576
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
Di 4/283:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$577
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
So 4/263:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$602
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Do 4/233:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$607
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 4/91:05 pm
MAN
- SEA
1 stop12h 50m
Icelandair
Mi 4/293:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$608
This Super.com deal was found by Cheapflights users on 3/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/133:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Mo 4/273:40 pm
SEA
- LGW
1 stop12h 05m
Icelandair
Deal found 3/11![Icelandair logo]()
$574
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Mo 4/1312:00 pm
STN
- SEA
2 stops16h 40m
Multiple Airlines
Mo 4/273:40 pm
SEA
- STN
2 stops22h 45m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$595
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/151:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
Mo 4/273:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$590
This deal was found by Cheapflights users on 3/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/151:05 pm
MAN
- SEA
1 stop15h 35m
Icelandair
So 4/263:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 3/13![Icelandair logo]()
$615
This Vliegwinkel deal was found by Cheapflights users on 3/11. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 4/253:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Sa 5/27:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 3/11![Icelandair logo]()
$585
This deal was found by Cheapflights users on 3/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/273:05 pm
LHR
- SEA
1 stop12h 15m
Air Canada
Mo 5/42:55 pm
SEA
- LHR
1 stop14h 25m
Air Canada
Deal found 3/11![Air Canada logo]()
$589
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Do 4/306:00 am
MAN
- SEA
2 stops22h 40m
Multiple Airlines
Mo 5/43:40 pm
SEA
- MAN
2 stops22h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$609
One-way flights from United Kingdom to WashingtonSearch for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated März 16, 2026.
Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated März 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/277:10 pm
MAN
- SEA
2 stops46h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/268:30 am
STN
- PDX
2 stops37h 20m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/285:45 pm
MAN
- SEA
2 stops47h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 4/255:10 pm
MAN
- SEA
2 stops33h 35m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/134:35 pm
MAN
- SEA
2 stops49h 05m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 5/125:45 pm
MAN
- SEA
2 stops47h 55m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/295:50 am
MAN
- SEA
2 stops35h 50m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/266:10 pm
MAN
- SEA
2 stops47h 30m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$359
This Booking.com deal was found by Cheapflights users on 3/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/288:50 am
LGW
- PDX
3 stops32h 20m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/2710:45 pm
STN
- PDX
2 stops47h 05m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 5/25:15 pm
STN
- PDX
2 stops52h 35m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 5/147:25 pm
MAN
- SEA
2 stops28h 35m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$373
Find 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 März 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $576 |
One-way from | $318 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $722 |
Good round-trip deal | $975 or less |
Good one-way deal | $607 or less |
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 März 16, 2026.
Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Mi 4/22
3:40 pm-8:40 pm
1 stop13h 00m
Seattle/Tacoma Intl
So 4/26
7:00 pm-2:40 pm
1 stop11h 40m
$685
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Mi 4/22
9:25 pm-8:40 pm
1 stop31h 15m
Seattle/Tacoma Intl
So 4/26
3:40 pm-8:20 pm
1 stop20h 40m
$687
LondonSeattle
LTN - SEA
LTNSEA
London Luton
So 4/26
9:00 am-9:38 am
3 stops32h 38m
Seattle/Tacoma Intl
So 5/3
7:00 pm-7:40 pm
2 stops16h 40m
$716
LondonSeattle
LTN - SEA
LTNSEA
London Luton
Do 4/9
9:25 am-8:40 pm
2 stops19h 15m
Seattle/Tacoma Intl
Do 4/16
3:40 pm-11:25 pm
2 stops23h 45m
$775
ManchesterSeattle
MAN - SEA
MANSEA
Manchester
Mi 4/22
1:05 pm-5:55 pm
1 stop12h 50m
Seattle/Tacoma Intl
So 4/26
3:40 pm-11:40 am
1 stop12h 00m
$799
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Di 8/25
7:25 am-6:29 pm
2 stops19h 04m
Seattle/Tacoma Intl
Mo 9/7
11:00 pm-9:35 pm
1 stop14h 35m
$814
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Do 4/16
7:30 am-6:00 pm
2 stops18h 30m
Seattle/Tacoma Intl
Do 4/23
7:05 pm-8:40 pm
2 stops17h 35m
$820
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Fr 4/17
6:55 am-4:59 pm
1 stop18h 04m
Seattle/Tacoma Intl
Mo 4/20
8:00 am-9:20 am
2 stops17h 20m
$822
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Mo 4/13
9:25 am-10:42 pm
2 stops21h 17m
Seattle/Tacoma Intl
Mo 4/27
7:00 am-8:20 am
2 stops17h 20m
$825
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Fr 9/4
7:25 am-4:59 pm
1 stop17h 34m
Seattle/Tacoma Intl
Mo 9/7
11:10 pm-6:55 am
1 stop23h 45m
$825
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LGW-SEA
LTN-SEA
LHR-SEA
LHR-PDX
LCY-SEA
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
GB0-USWA
LGW-SEA
LTN-SEA
LHR-SEA
LHR-PDX
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 $468). Flying from United Kingdom to State of Washington in August is currently the most expensive (average of $625). 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 März 16, 2026.
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 März 16, 2026.
The most flights from GB0 to USWA are scheduled on a Saturday (21 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).
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 März 16, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andAir France from the United Kingdom to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for United Kingdom to Washington
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Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from United Kingdom to Washington by cabin class
Find flights from United Kingdom to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
United Kingdom and Washington flights
Browse other United Kingdom and Washington flight options. Last updated on März 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to United Kingdom after your stay in Washington
United Kingdom to Washington flights
Consider these flights traveling from United Kingdom to Washington.
Top 6 airlines flying from United Kingdom to Washington
Discover the top 6 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 März 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$501 | Average$885 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$574 | Average$828 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$594 | Average$1,009 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$618 | Average$891 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$660 | Average$891 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$780 | Average$780 | FlexibilityNo cancel fee | On-time77% |