Cheapest return flights from Washington to London in April from 586€

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

AirHint found the following cheapest return flights from Washington (IAD) to London (LGW) in April 2025 (see full year).

Return flights

17 Apr - 24 Apr Icelandair
01 Apr - 06 Apr TAP
08 Apr - 16 Apr TAP
08 Apr - 15 Apr TAP
07 Apr - 11 Apr TAP
15 Apr - 22 Apr TAP
18 Apr - 27 Apr Scandinavian Airlines
04 Apr - 12 Apr TAP
17 Apr - 22 Apr TAP
14 Apr - 18 Apr TAP
19 Apr - 10 May Turkish Airlines

Also check the deals for one-way flights from Washington to London in April.

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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.

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