$390+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Jun 7 — Jun 141
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 May 8, 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 May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 6/97:30 am
MAN
- SEA
1 stop17h 40m
Multiple Airlines
Tue 6/167:10 pm
SEA
- MAN
1 stop15h 20m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 6/163:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Mon 6/2211:25 pm
SEA
- LGW
1 stop31h 15m
Icelandair
Deal found 5/4![Icelandair logo]()
$703
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/159:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Mon 6/2211:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$705
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Fri 6/199:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Wed 6/2411:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$706
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Mon 6/223:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Mon 7/67:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 5/4![Icelandair logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 6/269:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Sat 7/411:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 6/126:20 am
LTN
- SEA
1 stop18h 50m
Multiple Airlines
Mon 6/227:10 pm
SEA
- LTN
1 stop19h 40m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$707
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Mon 6/17:45 am
MAN
- SEA
1 stop17h 25m
Multiple Airlines
Mon 6/87:10 pm
SEA
- MAN
1 stop12h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$708
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Sat 6/209:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Mon 7/611:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$708
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Sat 6/611:00 am
LTN
- SEA
1 stop14h 10m
Multiple Airlines
Sun 6/147:10 pm
SEA
- LTN
1 stop18h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$708
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Fri 6/263:40 pm
LGW
- SEA
1 stop28h 05m
Icelandair
Wed 7/83:40 pm
SEA
- LGW
1 stop12h 05m
Icelandair
Deal found 5/4![Icelandair logo]()
$709
This Icelandair deal was found by Cheapflights users on 5/5. 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.
Sun 11/88:35 pm
LHR
- SEA
1 stop28h 25m
Icelandair
Sun 11/152:35 pm
SEA
- LHR
1 stop20h 55m
Icelandair
Deal found 5/5![Icelandair logo]()
$709
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 May 8, 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 May 8, 2026.
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Sat 6/611:00 am
LTN
- SEA
1 stop14h 10m
Multiple Airlines
Sun 6/147:10 pm
SEA
- LTN
1 stop18h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$708
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Sat 9/193:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Sat 10/37:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 5/4![Icelandair logo]()
$749
This Condor deal was found by Cheapflights users on 5/7. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:20 am
LGW
- SEA
1 stop13h 20m
Condor
Thu 6/46:05 pm
SEA
- LGW
1 stop16h 45m
Condor
Deal found 5/7![Condor logo]()
$764
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 10/1311:40 am
LHR
- SEA
Nonstop10h 20m
Delta
Sun 10/2511:15 am
SEA
- LHR
1 stop13h 50m
Delta
Deal found 5/5![Delta logo]()
$802
This KLM deal was found by Cheapflights users on 5/3. 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.
Sat 9/268:40 am
LHR
- SEA
1 stop15h 55m
KLM
Thu 10/229:50 pm
SEA
- LHR
Nonstop9h 45m
KLM
Deal found 5/3![KLM logo]()
$804
This Virgin Atlantic deal was found by Cheapflights users on 5/5. 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.
Mon 11/210:00 am
LGW
- SEA
2 stops20h 04m
Virgin Atlantic
Wed 11/1111:25 am
SEA
- LGW
2 stops20h 20m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$811
This Finnair deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:20 am
LHR
- SEA
1 stop13h 40m
Finnair
Tue 9/11:17 pm
SEA
- LHR
1 stop14h 58m
Finnair
Deal found 5/6![Finnair logo]()
$844
This Scandinavian Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 9/37:30 pm
LHR
- SEA
1 stop26h 15m
Scandinavian Airlines
Thu 9/179:50 am
SEA
- LHR
2 stops22h 10m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$872
This SWISS deal was found by Cheapflights users on 5/6. 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 9/19:15 am
LCY
- SEA
2 stops19h 28m
SWISS
Tue 9/87:00 am
SEA
- LCY
2 stops21h 35m
SWISS
Deal found 5/6![SWISS logo]()
$904
This Lufthansa deal was found by Cheapflights users on 5/4. 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.
Tue 9/2211:00 am
STN
- SEA
1 stop13h 59m
Lufthansa
Sat 10/36:50 pm
SEA
- STN
1 stop12h 45m
Lufthansa
Deal found 5/4![Lufthansa logo]()
$1,015
This JetBlue deal was found by Cheapflights users on 5/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:20 pm
LGW
- PDX
1 stop32h 45m
JetBlue
Tue 6/302:20 pm
PDX
- LGW
1 stop35h 15m
JetBlue
Deal found 5/6![JetBlue logo]()
$1,031
This oojo deal was found by Cheapflights users on 5/3. 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.
Fri 7/31:10 pm
MAN
- SEA
1 stop36h 05m
Turkish Airlines
Wed 7/227:10 pm
SEA
- MAN
1 stop32h 55m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$1,032
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 9/310:35 am
MAN
- SEA
1 stop14h 24m
United Airlines
Mon 9/711:00 pm
SEA
- MAN
2 stops27h 25m
United Airlines
Deal found 5/7![United Airlines logo]()
$1,057
This British Airways deal was found by Cheapflights users on 5/7. 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.
Tue 7/288:35 am
MAN
- SEA
1 stop17h 50m
British Airways
Wed 8/51:30 pm
SEA
- MAN
1 stop15h 40m
British Airways
Deal found 5/7![British Airways logo]()
$1,092
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Thu 6/49:25 am
LTN
- SEA
1 stop15h 45m
Multiple Airlines
Thu 6/117:10 pm
SEA
- LTN
1 stop20h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$710
This Icelandair deal was found by Cheapflights users on 5/7. 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.
Tue 9/153:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Sat 9/193:40 pm
SEA
- LGW
1 stop15h 00m
Icelandair
Deal found 5/7![Icelandair logo]()
$750
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Sat 5/302:25 pm
LTN
- SEA
3 stops31h 20m
Multiple Airlines
Sun 6/73:55 pm
SEA
- LTN
2 stops21h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 7/215:45 pm
LHR
- SEA
Nonstop10h 18m
Delta
Mon 12/72:05 pm
SEA
- LHR
Nonstop9h 30m
Delta
Deal found 5/5![Delta logo]()
$829
This Virgin Atlantic deal was found by Cheapflights users on 5/5. 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.
Thu 10/159:20 am
LCY
- SEA
2 stops20h 51m
Virgin Atlantic
Thu 10/227:20 am
SEA
- LCY
2 stops18h 10m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$832
This KLM deal was found by Cheapflights users on 5/3. 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.
Thu 7/1611:40 am
LHR
- SEA
Nonstop10h 20m
KLM
Fri 7/316:20 pm
SEA
- LHR
Nonstop9h 50m
KLM
Deal found 5/3![KLM logo]()
$861
This Scandinavian Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 9/46:40 am
LHR
- SEA
2 stops15h 05m
Scandinavian Airlines
Mon 9/79:50 am
SEA
- LHR
2 stops22h 10m
Scandinavian Airlines
Deal found 5/7![Scandinavian Airlines logo]()
$881
This Virgin Atlantic deal was found by Cheapflights users on 5/4. 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.
Mon 6/18:15 pm
LCY
- SEA
1 stop23h 22m
Virgin Atlantic
Mon 6/85:45 pm
SEA
- LCY
1 stop15h 35m
Virgin Atlantic
Deal found 5/4![Virgin Atlantic logo]()
$859
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:20 am
LCY
- SEA
1 stop15h 04m
Delta
Sun 6/75:45 pm
SEA
- LCY
1 stop14h 55m
Delta
Deal found 5/4![Delta logo]()
$859
This KLM deal was found by Cheapflights users on 5/3. 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.
Tue 7/75:45 pm
LHR
- SEA
Nonstop10h 18m
KLM
Wed 7/296:20 pm
SEA
- LHR
Nonstop9h 50m
KLM
Deal found 5/3![KLM logo]()
$864
This SWISS deal was found by Cheapflights users on 5/6. 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.
Wed 9/169:15 am
LCY
- PDX
2 stops17h 51m
SWISS
Wed 9/233:43 pm
PDX
- LCY
2 stops17h 42m
SWISS
Deal found 5/6![SWISS logo]()
$955
This Icelandair deal was found by Cheapflights users on 5/5. 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.
Sun 10/183:40 pm
LGW
- SEA
1 stop34h 15m
Icelandair
Sun 10/257:10 pm
SEA
- LGW
1 stop11h 30m
Icelandair
Deal found 5/5![Icelandair logo]()
$876
This Virgin Atlantic deal was found by Cheapflights users on 5/7. 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.
Sun 6/75:00 pm
LGW
- SEA
1 stop26h 15m
Virgin Atlantic
Sun 6/141:30 pm
SEA
- LGW
1 stop11h 55m
Virgin Atlantic
Deal found 5/7![Virgin Atlantic logo]()
$876
This KLM deal was found by Cheapflights users on 5/7. 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.
Fri 6/511:45 am
LHR
- SEA
1 stop12h 39m
KLM
Fri 6/126:20 pm
SEA
- LHR
Nonstop9h 50m
KLM
Deal found 5/7![KLM logo]()
$876
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 7/75:45 pm
LHR
- SEA
Nonstop10h 18m
Delta
Wed 7/296:20 pm
SEA
- LHR
Nonstop9h 50m
Delta
Deal found 5/5![Delta logo]()
$876
This KLM deal was found by Cheapflights users on 5/5. 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.
Mon 8/2410:25 am
LGW
- SEA
1 stop15h 09m
Multiple Airlines
Tue 9/11:30 pm
SEA
- LGW
1 stop11h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$879
Last-minute flights from United Kingdom to WashingtonDiscover last-minute flight deals from United Kingdom to Washington. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Washington. Data last updated May 8, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Mon 6/17:45 am
MAN
- SEA
1 stop17h 25m
Multiple Airlines
Mon 6/87:10 pm
SEA
- MAN
1 stop12h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$708
This Mytrip deal was found by Cheapflights users on 5/5. 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.
Sat 6/611:00 am
LTN
- SEA
1 stop14h 10m
Multiple Airlines
Sun 6/147:10 pm
SEA
- LTN
1 stop18h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 6/97:30 am
MAN
- SEA
1 stop17h 40m
Multiple Airlines
Tue 6/167:10 pm
SEA
- MAN
1 stop15h 20m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 6/126:20 am
LTN
- SEA
1 stop18h 50m
Multiple Airlines
Mon 6/227:10 pm
SEA
- LTN
1 stop19h 40m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sun 6/148:55 am
LGW
- SEA
1 stop16h 15m
Multiple Airlines
Sun 6/217:10 pm
SEA
- LGW
1 stop16h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/159:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Mon 6/2211:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 6/163:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Tue 7/77:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 5/4![Icelandair logo]()
$703
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Fri 6/199:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Wed 6/2411:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$706
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Sat 6/209:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Thu 7/911:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$708
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Mon 6/223:40 pm
LGW
- SEA
1 stop13h 00m
Icelandair
Mon 7/67:00 pm
SEA
- LGW
1 stop11h 40m
Icelandair
Deal found 5/4![Icelandair logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Fri 6/269:25 pm
LHR
- SEA
1 stop22h 20m
Icelandair
Sat 7/411:25 pm
SEA
- LHR
1 stop12h 55m
Icelandair
Deal found 5/4![Icelandair logo]()
$707
This Icelandair deal was found by Cheapflights users on 5/4. 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.
Fri 6/263:40 pm
LGW
- SEA
1 stop28h 05m
Icelandair
Sun 7/53:40 pm
SEA
- LGW
1 stop15h 00m
Icelandair
Deal found 5/4![Icelandair logo]()
$709
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 May 8, 2026.
Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 5/1910:00 pm
STN
- PDX
3 stops47h 50m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/810:45 pm
STN
- PDX
3 stops47h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/89:30 pm
LGW
- PDX
3 stops48h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Mon 5/188:25 am
STN
- PDX
3 stops37h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 6/97:30 am
MAN
- SEA
3 stops34h 10m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Wed 5/208:30 am
STN
- PDX
3 stops37h 20m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Fri 6/1211:35 am
STN
- PDX
3 stops34h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sun 5/176:25 am
MAN
- SEA
2 stops44h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/165:10 pm
STN
- PDX
3 stops52h 40m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 5/194:45 pm
LGW
- PDX
3 stops53h 05m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Mon 5/188:35 am
MAN
- SEA
3 stops42h 10m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sun 5/177:45 am
STN
- PDX
3 stops38h 05m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$452
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 May 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $697 (Kiwi.com) |
One-way from | $390 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $727 |
Good round-trip deal | $879 or less |
Good one-way deal | $779 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 May 8, 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
LTN - SEA
LTNSEA
London Luton
Sat 6/6
11:00 am-5:10 pm
1 stop14h 10m
Seattle/Tacoma Intl
Sun 6/14
7:10 pm-9:40 pm
1 stop18h 30m
$708
LondonSeattle
LTN - SEA
LTNSEA
London Luton
Thu 6/4
9:25 am-5:10 pm
1 stop15h 45m
Seattle/Tacoma Intl
Thu 6/11
7:10 pm-11:25 pm
1 stop20h 15m
$710
LondonSeattle
LTN - SEA
LTNSEA
London Luton
Sat 5/30
2:25 pm-1:45 pm
3 stops31h 20m
Seattle/Tacoma Intl
Sun 6/7
3:55 pm-9:40 pm
2 stops21h 45m
$731
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Sat 9/19
3:40 pm-8:40 pm
1 stop13h 00m
Seattle/Tacoma Intl
Sat 10/3
7:00 pm-2:40 pm
1 stop11h 40m
$749
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Tue 9/15
3:40 pm-8:40 pm
1 stop13h 00m
Seattle/Tacoma Intl
Sat 9/19
3:40 pm-2:40 pm
1 stop15h 00m
$750
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Tue 5/19
10:20 am-3:40 pm
1 stop13h 20m
Seattle/Tacoma Intl
Thu 6/4
6:05 pm-6:50 pm
1 stop16h 45m
$764
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Tue 10/13
11:40 am-2:00 pm
Nonstop10h 20m
Seattle/Tacoma Intl
Sun 10/25
11:15 am-8:05 am
1 stop13h 50m
$802
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Sat 9/26
8:40 am-4:35 pm
1 stop15h 55m
Seattle/Tacoma Intl
Thu 10/22
9:50 pm-3:35 pm
Nonstop9h 45m
$804
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Mon 11/2
10:00 am-10:04 pm
2 stops20h 04m
Seattle/Tacoma Intl
Wed 11/11
11:25 am-3:45 pm
2 stops20h 20m
$811
Quickest round-trip
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Tue 7/21
5:45 pm-8:03 pm
Nonstop10h 18m
Seattle/Tacoma Intl
Mon 12/7
2:05 pm-7:35 am
Nonstop9h 30m
$829
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.
MAN-SEA
LGW-SEA
LHR-SEA
LTN-SEA
STN-PDX
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
MAN-SEA
LGW-SEA
LHR-SEA
LTN-SEA
How far ahead should I book a flight from United Kingdom to State of Washington?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from United Kingdom to State of Washington?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of $390). Flying from United Kingdom to State of Washington in December is currently the most expensive (average of $1,149). 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 May 8, 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 May 8, 2026.
The most flights from GB0 to USWA are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 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 May 8, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andAmerican Airlines 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.
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.9
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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.
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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 May 8, 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 May 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$403 | Average$698 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$574 | Average$894 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$600 | Average$1,009 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$618 | Average$985 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$660 | Average$922 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$780 | Average$780 | FlexibilityNo cancel fee | On-time77% |