Cheapest one-way flights from London to Washington in April from 230€

Best time to book flights for London (LON) to Washington (IAD) flights at AirHint

AirHint found the following cheapest one-way flights from London (LON) to Washington (IAD) in April 2025 (see full year).

One-Way flights

20 Apr easyJet
25 Apr easyJet
19 Apr easyJet
02 Apr easyJet
15 Apr Ryanair
13 Apr easyJet
15 Apr Iberia direct
25 Apr Iberia direct
19 Apr Finnair direct
13 Apr Finnair direct

Also check the deals for return flights from London to Washington in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Washington

Cheap car rent in Washington