Cheapest return flights from Washington to London in May from $640

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 May 2024 (see full year).

Return flights

20 May - 28 May Lufthansa
20 May - 04 Jun Lufthansa
21 May - 28 May Air Canada
20 May - 27 May Air Canada
20 May - 03 Jun Air Canada
21 May - 27 May SWISS
21 May - 30 May Lufthansa
21 May - 29 May SWISS
21 May - 11 Jun SWISS
21 May - 31 May Delta
20 May - 04 Jun Lufthansa direct
21 May - 30 May United direct
20 May - 28 May Lufthansa direct
19 May - 27 May Air Canada
20 May - 05 Jun Brussels Airlines
21 May - 01 Jun SWISS
20 May - 01 Jun Brussels Airlines
27 May - 03 Jun Icelandair
27 May - 08 Jun Icelandair
28 May - 04 Jun Icelandair

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

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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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