Flights London to Washington
In October, the cheapest flight seen between London and Washington was €458, 43% less than in September.
Leaving on a Saturday is cheapest on average (€458).
This page is based on 2 prices seen over the last 60 days.
Updated September 23, 2026
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€458Lowest price seen (60 d)
€633Median price
—Direct flight
2Prices recorded
Prices by departure month
Airlines seen
SWISS
Door-to-door cost
The real cost includes getting to the airport (fuel, tolls, parking or train), luggage and the transfer on arrival. Add your address in the form to calculate it.
Frequently asked questions
What is the cheapest month to fly London – Washington?
Based on prices seen, October (from €458).
Which airport is closest to Washington city centre?
Washington Ronald Reagan Washington National (DCA), 5 km from Washington centre.
Nearby destinations, same departure
See also
Prices are indicative and dated. The final price is confirmed on the partner’s site.