Cheapest return flights from Washington to London in June from $738

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

Return flights

03 Jun - 08 Jun TAP
02 Jun - 09 Jun TAP
01 Jun - 07 Jun Icelandair
06 Jun - 16 Jun Icelandair
06 Jun - 17 Jun Icelandair
04 Jun - 08 Jun TAP
07 Jun - 18 Jun Icelandair
06 Jun - 15 Jun Icelandair
11 Jun - 18 Jun TAP
06 Jun - 18 Jun Icelandair
27 Jun - 07 Jul TAP
30 Jun - 05 Jul TAP
26 Jun - 08 Jul Icelandair
29 Jun - 03 Jul Icelandair
23 Jun - 21 Jul TAP
22 Jun - 01 Jul Icelandair
15 Jun - 25 Jul TAP
25 Jun - 06 Jul TAP

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.