Cheapest return flights from Washington to London in June from 745€

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 June 2025 (see full year).

Return flights

13 Jun - 20 Jun Icelandair
10 Jun - 16 Jun Icelandair
13 Jun - 18 Jun Icelandair
02 Jun - 11 Jun Icelandair
05 Jun - 12 Jun Icelandair
02 Jun - 11 Jun Finnair direct
17 Jun - 24 Jun Icelandair
29 Jun - 06 Jul Icelandair
18 Jun - 22 Jun Icelandair
01 Jun - 14 Jun Iberia direct
12 Jun - 19 Jun United
23 Jun - 02 Jul Icelandair
30 Jun - 17 Jul Finnair direct
17 Jun - 04 Jul Delta
03 Jun - 29 Jul Finnair direct
17 Jun - 04 Jul Delta direct
23 Jun - 02 Jul British Airways direct
23 Jun - 04 Jul British Airways direct
24 Jun - 07 Jul SWISS
06 Jun - 29 Jul Finnair direct

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