Cheapest return flights from Washington to London in June from 649€

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

Return flights

02 Jun - 10 Jun TAP
11 Jun - 18 Jun TAP
07 Jun - 14 Jun Icelandair
14 Jun - 25 Jun Icelandair
27 Jun - 02 Jul Icelandair
27 Jun - 05 Jul Icelandair
23 Jun - 27 Jun TAP
24 Jun - 02 Jul Icelandair
11 Jun - 29 Jun Icelandair
12 Jun - 27 Jun TAP
27 Jun - 04 Jul TAP
22 Jun - 27 Jun Aer Lingus
28 Jun - 18 Jul TAP
21 Jun - 27 Jun Aer Lingus
25 Jun - 18 Jul Icelandair

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.