London → Washington flights
London (LCY, LGW, LHR, LTN, SEN, STN)→Washington (DCA, IAD)
from$533
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$533
Wed 9 Sep 2026 → Tue 15 Sep 2026
Icelandair1 stop6 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$533 lowest$736 average9h 40m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
$533Cheapest9 Sep 2026 → 15 Sep 2026Icelandair · 1 stop · 13:05Last checked: 11 Aug 2026 · Price may change6 nightsView ticket →
$72117 Aug 2026 → 24 Aug 2026Swiss · 1 stop · 20:05Last checked: 11 Aug 2026 · Price may change7 nightsView ticket →$73313 Aug 2026 → 8 Sep 2026Icelandair · 1 stop · 13:00Last checked: 11 Aug 2026 · Price may change26 nightsView ticket →Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
London → WashingtonWed 9 Sep 2026 · $533
Find flightsRoute facts
Direct flights
Non-stop
LCY - DCA, 9h 40m
Airlines seen
4
Icelandair, Swiss, United Airlines, VL
Cheapest month
September 2026
$533
Average observed
$736
Typical duration
9h 40m
Alternative airports
6
LGW, LHR, LTN, SEN, STN, IAD
Frequently asked
Are there direct flights from London to Washington?+−
Yes. We have seen non-stop flights on this route, flown by British Airways, United Airlines, Virgin Atlantic.
How much is a flight from London to Washington?+−
The lowest fare we have observed is $533, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from London to Washington?+−
These are the carriers we have seen on the route: Icelandair, Swiss, United Airlines, VL.
When is the cheapest month to fly from London to Washington?+−
In our observations September 2026 is the cheapest month so far, at $533.
Similar routes
Last checked: 11 Aug 2026