Cheapest return flights from London to Washington in April from 475€

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

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

Return flights

22 Apr - 28 Apr Icelandair
24 Apr - 28 Apr Icelandair
23 Apr - 14 May Icelandair
24 Apr - 01 May Icelandair
23 Apr - 30 Apr Icelandair
30 Apr - 08 May Icelandair
30 Apr - 07 May Icelandair
30 Apr - 05 May Icelandair
21 Apr - 28 Apr Icelandair
24 Apr - 30 Apr Icelandair
28 Apr - 05 May Icelandair
28 Apr - 15 May Icelandair
26 Apr - 07 May Icelandair
24 Apr - 03 May Icelandair
21 Apr - 27 Apr Icelandair
23 Apr - 03 May Icelandair
01 Apr - 25 Apr Icelandair
08 Apr - 29 Apr British Airways
16 Apr - 24 Apr Icelandair
25 Apr - 26 Apr Brussels Airlines

Also check the deals for one-way 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.

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