Cheapest return flights from Washington to London in April from 502€

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

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

Return flights

04 Apr - 13 Apr Icelandair
03 Apr - 10 Apr Icelandair
28 Apr - 15 May Icelandair
02 Apr - 13 Apr Icelandair
30 Apr - 05 May Icelandair
24 Apr - 12 May Icelandair
25 Apr - 02 May Icelandair
07 Apr - 14 Apr Scandinavian Airlines
30 Apr - 07 May Icelandair
23 Apr - 28 Apr Icelandair
15 Apr - 27 Apr Icelandair
03 Apr - 14 Apr Icelandair
27 Apr - 03 May Icelandair
23 Apr - 30 Apr Icelandair
27 Apr - 05 May Icelandair
30 Apr - 09 May Icelandair
21 Apr - 02 May TAP
01 Apr - 06 Apr Icelandair
17 Apr - 24 Apr TAP
28 Apr - 28 May Icelandair

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

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