Cheapest return flights from London to Washington in June from $442

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

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

Return flights

24 Jun - 30 Jul SWISS
18 Jun - 09 Jul Vueling Airlines
16 Jun - 18 Jul Vueling Airlines
02 Jun - 09 Jun Icelandair
04 Jun - 25 Jun Icelandair
19 Jun - 09 Jul Icelandair
02 Jun - 25 Jun Icelandair
19 Jun - 23 Jun Icelandair
16 Jun - 09 Jul Icelandair
18 Jun - 24 Jul Vueling Airlines
20 Jun - 06 Jul Norse Atlantic Airways (UK)
20 Jun - 17 Jul Norse Atlantic Airways (UK)
05 Jun - 08 Jun Icelandair
04 Jun - 15 Jun Icelandair
06 Jun - 15 Jun Icelandair
03 Jun - 08 Jun Icelandair
12 Jun - 16 Jun Icelandair
02 Jun - 08 Jun Icelandair
16 Jun - 07 Jul Icelandair
18 Jun - 15 Jul Icelandair

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

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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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