Cheapest return flights from Washington to London in June from $710

AirHint found the following cheapest return flights from Washington (IAD) to London (LGW) in June 2026 (see full year).

Return flights

10 Jun - 17 Jun Icelandair
01 Jun - 09 Jun Icelandair
14 Jun - 19 Jun Icelandair
10 Jun - 15 Jun Icelandair
07 Jun - 15 Jun Icelandair
06 Jun - 13 Jun Icelandair
01 Jun - 08 Jun Icelandair
10 Jun - 14 Jun Icelandair
03 Jun - 19 Jun Icelandair
03 Jun - 17 Jun Icelandair
14 Jun - 03 Jul Icelandair
23 Jun - 01 Jul Icelandair
25 Jun - 08 Jul Icelandair
10 Jun - 03 Jul Icelandair
15 Jun - 03 Jul Icelandair
13 Jun - 03 Jul Icelandair
29 Jun - 23 Jul Icelandair
16 Jun - 07 Jul Icelandair
22 Jun - 06 Jul Icelandair
12 Jun - 03 Jul Icelandair

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

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