$370+ Cheap flights from the United Kingdom to Washington, D.C. (WAS)
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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from United Kingdom to Washington, D.C. with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from United Kingdom to Washington, D.C.
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Cheapest flights from United Kingdom to Washington, D.C.Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
This Icelandair deal was found by Cheapflights users on 8/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:05 pm -
1 stop11h 15m
Sat 9/198:30 pm -
1 stop10h 25m
Deal found 8/2![Icelandair logo]()
$580
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:30 am -
1 stop11h 35m
Sat 10/314:30 pm -
1 stop14h 50m
Deal found 8/3![United Airlines logo]()
$581
This Icelandair deal was found by Cheapflights users on 8/4. 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.
Tue 9/11:00 pm -
1 stop11h 20m
Mon 9/148:30 pm -
1 stop13h 10m
Deal found 8/4![Icelandair logo]()
$581
This Air Canada deal was found by Cheapflights users on 8/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 am -
2 stops16h 19m
Wed 9/2312:55 pm -
2 stops16h 05m
Deal found 8/3![Air Canada logo]()
$581
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:15 am -
1 stop12h 30m
Sun 9/208:20 pm -
1 stop16h 05m
Deal found 8/4![SWISS logo]()
$581
This Icelandair deal was found by Cheapflights users on 7/31. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:25 pm -
1 stop26h 55m
Sat 9/1211:20 pm -
1 stop16h 00m
Deal found 7/31![Icelandair logo]()
$582
This FlightHub deal was found by Cheapflights users on 8/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:40 pm -
1 stop32h 40m
Fri 10/308:40 pm -
1 stop10h 15m
Deal found 8/3![Icelandair logo]()
$582
This TravelUp deal was found by Cheapflights users on 8/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:15 am -
1 stop11h 43m
Sun 9/274:59 pm -
1 stop10h 01m
Deal found 8/3![British Airways logo]()
$582
This Booking.com deal was found by Cheapflights users on 8/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 am -
1 stop12h 30m
Thu 10/158:20 pm -
1 stop11h 15m
Deal found 8/3![SWISS logo]()
$582
This Air Canada deal was found by Cheapflights users on 8/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:00 am -
2 stops16h 10m
Wed 11/189:55 am -
2 stops16h 15m
Deal found 8/3![Air Canada logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:40 pm -
1 stop32h 40m
Mon 9/78:30 pm -
1 stop10h 15m
Deal found 7/31![Icelandair logo]()
$583
This Goibibo deal was found by Cheapflights users on 8/3. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:30 am -
1 stop11h 10m
Fri 10/912:40 pm -
2 stops12h 50m
Deal found 8/3![Air Canada logo]()
$583
Best flights from United Kingdom to Washington, D.C.Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
This Lufthansa deal was found by Cheapflights users on 8/4. 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.
Sat 9/194:40 pm -
Nonstop8h 35m
Sat 9/266:35 pm -
Nonstop7h 20m
Deal found 8/4![Multiple Airlines logo]()
$598
This British Airways deal was found by Cheapflights users on 8/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:45 am -
1 stop18h 14m
Sun 9/68:20 pm -
1 stop29h 30m
Deal found 8/4![British Airways logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:30 am -
1 stop11h 10m
Sun 10/182:59 pm -
1 stop9h 56m
Deal found 8/4![United Airlines logo]()
$600
This Lufthansa deal was found by Cheapflights users on 8/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:30 am -
1 stop11h 35m
Sat 9/510:15 pm -
Nonstop7h 25m
Deal found 8/2![Lufthansa logo]()
$602
This SWISS deal was found by Cheapflights users on 8/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 pm -
1 stop27h 20m
Sat 11/215:25 pm -
1 stop12h 50m
Deal found 8/2![SWISS logo]()
$634
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/4. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1310:40 am -
1 stop14h 55m
Thu 1/75:25 pm -
2 stops22h 10m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$639
This Virgin Atlantic deal was found by Cheapflights users on 8/4. 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.
Fri 11/1310:00 am -
2 stops16h 36m
Sun 11/158:00 am -
2 stops20h 00m
Deal found 8/4![Virgin Atlantic logo]()
$639
This Icelandair deal was found by Cheapflights users on 7/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:40 pm -
1 stop11h 35m
Mon 10/58:30 pm -
1 stop13h 10m
Deal found 7/30![Icelandair logo]()
$657
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:20 pm -
Nonstop8h 40m
Tue 1/56:55 pm -
Nonstop7h 25m
Deal found 8/2![Delta logo]()
$674
This KLM deal was found by Cheapflights users on 8/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:50 pm -
1 stop12h 09m
Wed 10/143:15 pm -
1 stop10h 30m
Deal found 8/2![KLM logo]()
$706
This JetBlue deal was found by Cheapflights users on 8/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:40 am -
1 stop11h 06m
Sun 9/138:55 am -
1 stop16h 35m
Deal found 8/3![JetBlue logo]()
$741
This Finnair deal was found by Cheapflights users on 8/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:15 pm -
2 stops37h 55m
Sat 10/175:54 pm -
1 stop22h 46m
Deal found 8/2![Finnair logo]()
$758
This Scandinavian Airlines deal was found by Cheapflights users on 8/4. 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.
Fri 8/287:40 pm -
2 stops26h 20m
Sun 9/138:20 pm -
2 stops17h 30m
Deal found 8/4![Scandinavian Airlines logo]()
$815
This Turkish Airlines deal was found by Cheapflights users on 7/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm -
1 stop22h 45m
Tue 9/291:15 pm -
1 stop22h 35m
Deal found 7/31![Turkish Airlines logo]()
$921
This Lufthansa deal was found by Cheapflights users on 7/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 am -
1 stop11h 35m
Mon 9/76:30 pm -
Nonstop7h 25m
Deal found 7/31![Multiple Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:20 pm -
Nonstop8h 55m
Sat 11/281:19 pm -
1 stop12h 51m
Deal found 8/4![United Airlines logo]()
$602
This British Airways deal was found by Cheapflights users on 8/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/68:50 am -
1 stop11h 45m
Wed 1/209:55 pm -
Nonstop7h 15m
Deal found 8/1![British Airways logo]()
$605
This Virgin Atlantic deal was found by Cheapflights users on 8/4. 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.
Sat 9/1910:25 am -
2 stops17h 49m
Sat 9/266:15 pm -
1 stop10h 05m
Deal found 8/4![Virgin Atlantic logo]()
$646
This British Airways deal was found by Cheapflights users on 8/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:15 am -
1 stop11h 43m
Sat 9/126:23 pm -
1 stop9h 47m
Deal found 8/4![British Airways logo]()
$605
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:30 am -
1 stop12h 05m
Tue 11/1012:36 pm -
2 stops13h 34m
Deal found 8/3![United Airlines logo]()
$606
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/1. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:25 pm -
1 stop27h 45m
Tue 9/2210:35 pm -
1 stop12h 00m
Deal found 8/1![TAP AIR PORTUGAL logo]()
$667
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:35 am -
1 stop14h 00m
Mon 11/26:40 pm -
1 stop16h 05m
Deal found 8/2![Delta logo]()
$674
This SWISS deal was found by Cheapflights users on 8/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:15 am -
1 stop12h 30m
Wed 10/145:45 pm -
1 stop13h 50m
Deal found 8/3![SWISS logo]()
$689
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:30 am -
2 stops35h 00m
Tue 9/294:30 pm -
2 stops20h 35m
Deal found 8/4![Multiple Airlines logo]()
$629
This Icelandair deal was found by Cheapflights users on 7/31. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:40 pm -
1 stop32h 45m
Fri 9/258:30 pm -
1 stop13h 10m
Deal found 7/31![Icelandair logo]()
$706
This Virgin Atlantic deal was found by Cheapflights users on 8/4. 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.
Sat 10/38:25 am -
1 stop12h 10m
Sun 10/185:40 pm -
1 stop10h 50m
Deal found 8/4![Virgin Atlantic logo]()
$653
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:30 am -
1 stop11h 08m
Fri 9/259:40 am -
1 stop15h 50m
Deal found 8/4![United Airlines logo]()
$607
This British Airways deal was found by Cheapflights users on 7/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:50 am -
1 stop10h 55m
Mon 9/2110:25 pm -
Nonstop7h 25m
Deal found 7/31![British Airways logo]()
$621
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/4. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:25 pm -
1 stop27h 45m
Wed 9/910:35 pm -
2 stops31h 45m
Deal found 8/4![TAP AIR PORTUGAL logo]()
$693
This Lufthansa deal was found by Cheapflights users on 8/4. 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.
Mon 9/2112:15 pm -
Nonstop8h 15m
Fri 9/256:35 pm -
Nonstop7h 20m
Deal found 8/4![Multiple Airlines logo]()
$642
Last-minute flights from United Kingdom to Washington, D.C.Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated August 5, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:40 pm -
1 stop32h 40m
Sun 9/68:30 pm -
1 stop13h 10m
Deal found 8/2![Icelandair logo]()
$584
This Icelandair deal was found by Cheapflights users on 7/31. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:25 pm -
1 stop26h 55m
Sun 9/138:30 pm -
1 stop18h 50m
Deal found 7/31![Icelandair logo]()
$582
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:40 pm -
1 stop32h 40m
Mon 9/78:30 pm -
1 stop10h 15m
Deal found 7/31![Icelandair logo]()
$583
This Icelandair deal was found by Cheapflights users on 8/4. 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.
Tue 9/11:00 pm -
1 stop11h 20m
Mon 9/148:30 pm -
1 stop13h 10m
Deal found 8/4![Icelandair logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Thu 9/31:00 pm -
1 stop11h 20m
Mon 9/148:30 pm -
1 stop13h 10m
Deal found 8/2![Icelandair logo]()
$582
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:30 am -
1 stop11h 35m
Thu 9/1012:35 pm -
2 stops16h 25m
Deal found 8/3![United Airlines logo]()
$583
This Goibibo deal was found by Cheapflights users on 8/3. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:15 pm -
Nonstop8h 15m
Sun 9/610:15 pm -
Nonstop7h 25m
Deal found 8/3![Lufthansa logo]()
$584
This Flightcatchers deal was found by Cheapflights users on 8/4. 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 am -
1 stop14h 05m
Sat 9/1212:18 pm -
2 stops17h 02m
Deal found 8/4![Virgin Atlantic logo]()
$581
This TravelUp deal was found by Cheapflights users on 8/3. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:15 am -
1 stop11h 43m
Sun 9/274:59 pm -
1 stop10h 01m
Deal found 8/3![British Airways logo]()
$582
This Icelandair deal was found by Cheapflights users on 8/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:05 pm -
1 stop11h 15m
Sat 9/198:30 pm -
1 stop10h 25m
Deal found 8/2![Icelandair logo]()
$580
This Air Canada deal was found by Cheapflights users on 8/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:40 am -
2 stops16h 19m
Wed 9/2312:55 pm -
2 stops16h 05m
Deal found 8/3![Air Canada logo]()
$581
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:15 am -
1 stop12h 30m
Sun 9/208:20 pm -
1 stop16h 05m
Deal found 8/4![SWISS logo]()
$581
One-way flights from United Kingdom to Washington, D.C.Search for one-way flight options from United Kingdom to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from United Kingdom to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:25 pm -
2 stops47h 42m
Deal found 8/3![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 am -
2 stops38h 37m
Deal found 8/3![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:15 am -
3 stops45h 37m
Deal found 8/3![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/304:05 pm -
3 stops47h 12m
Deal found 8/2![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:50 pm -
2 stops48h 27m
Deal found 8/3![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Tue 9/2910:00 pm -
3 stops41h 27m
Deal found 8/2![Multiple Airlines logo]()
$415
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:55 am -
1 stop11h 45m
Deal found 8/4![Icelandair logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 11/3010:00 am -
2 stops33h 45m
Deal found 8/2![Multiple Airlines logo]()
$427
This Icelandair deal was found by Cheapflights users on 8/4. 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.
Sun 9/279:25 pm -
1 stop27h 00m
Deal found 8/4![Icelandair logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/112:00 pm -
2 stops31h 46m
Deal found 8/4![Multiple Airlines logo]()
$428
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:40 pm -
1 stop32h 45m
Deal found 8/1![Icelandair logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:25 pm -
3 stops41h 42m
Deal found 7/31![Multiple Airlines logo]()
$430
Find flight deals from United Kingdom to Washington, D.C.
Keep the following information in mind while searching for United Kingdom to Washington, D.C. flight deals. Data was last updated August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $580 (Icelandair) |
One-way from | $370 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $744 |
Good round-trip deal | $702 or less |
Good one-way deal | $492 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from United Kingdom to Washington, D.C. 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 August 5, 2026.
Use the filters below to find and compare flights from the United Kingdom to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 9/19
4:40 pm-8:15 pm
Nonstop8h 35m
Washington, D.C. Dulles Intl
Sat 9/26
6:35 pm-6:55 am
Nonstop7h 20m
$598
LondonWashington, D.C.
LGW - DCA
LGWDCA
London Gatwick
Wed 9/2
10:45 am-11:59 pm
1 stop18h 14m
Washington, D.C. Reagan-National
Sun 9/6
8:20 pm-6:50 am
1 stop29h 30m
$599
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Fri 9/4
9:30 am-4:05 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Mon 9/7
6:30 pm-6:55 am
Nonstop7h 25m
$599
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 10/3
9:30 am-3:40 pm
1 stop11h 10m
Washington, D.C. Reagan-National
Sun 10/18
2:59 pm-5:55 am
1 stop9h 56m
$600
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sun 8/30
9:30 am-4:05 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sat 9/5
10:15 pm-10:40 am
Nonstop7h 25m
$602
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 11/21
4:20 pm-8:15 pm
Nonstop8h 55m
Washington, D.C. Dulles Intl
Sat 11/28
1:19 pm-7:10 am
1 stop12h 51m
$602
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Wed 1/6
8:50 am-3:35 pm
1 stop11h 45m
Washington, D.C. Dulles Intl
Wed 1/20
9:55 pm-10:10 am
Nonstop7h 15m
$605
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 9/5
9:15 am-3:58 pm
1 stop11h 43m
Washington, D.C. Reagan-National
Sat 9/12
6:23 pm-9:10 am
1 stop9h 47m
$605
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 10/31
7:30 am-3:35 pm
1 stop12h 05m
Washington, D.C. Dulles Intl
Tue 11/10
12:36 pm-7:10 am
2 stops13h 34m
$606
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sun 9/6
9:30 am-3:38 pm
1 stop11h 08m
Washington, D.C. Reagan-National
Fri 9/25
9:40 am-6:30 am
1 stop15h 50m
$607
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from United Kingdom to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from United Kingdom with our price prediction graph.
LGW-IAD
LHR-BWI
LHR-IAD
LGW-DCA
LHR-DCA
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, D.C.
GB0-WAS
LGW-IAD
LHR-BWI
LHR-IAD
LGW-DCA
What is the cheapest month to book a flight from United Kingdom to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of $657). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of $809). 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 WAS?
Find hourly flight availability from United Kingdom to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 2026.
When flying from United Kingdom to Washington, D.C., 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 Washington, D.C.
Explore weekly flight availability from United Kingdom to Washington, D.C.. 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 August 5, 2026.
The most flights from GB0 to WAS are scheduled on a Monday (30 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (22 on average).
How often are flights from the United Kingdom to Washington, D.C. delayed?
About 17% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 141 minutes.
What is the most punctual flight time for the United Kingdom to Washington, D.C. flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United Kingdom to Washington, D.C. flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
How far ahead should I book a flight from United Kingdom to Washington, D.C.?
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated August 5, 2026.
Read through reviews of airlines operating flights from the United Kingdom to Washington, D.C., such as United Airlines,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Clinton
Oxon Hill
Hunt Valley
Woodbridge
Silver Spring
Largo
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Washington, D.C. flight routes
Alternative routes for United Kingdom to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from United Kingdom to Washington, D.C. by cabin class
Find flights from United Kingdom to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.
United Kingdom and Washington, D.C. flights
Browse other United Kingdom and Washington, D.C. flight options. Last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
United Kingdom to Washington, D.C. flights
Consider these flights traveling from United Kingdom to Washington, D.C..
Other flights to Washington, D.C.
Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
Top 10 airlines flying from United Kingdom to Washington, D.C.
Discover the top 10 airlines that operate flights from United Kingdom to Washington, D.C.. 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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$534 | Average$743 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$536 | Average$742 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$544 | Average$636 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$796 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$566 | Average$1,026 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$567 | Average$784 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$635 | Average$663 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$658 | Average$929 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$659 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$669 | Average$776 | FlexibilityNo cancel fee | On-time72% |