AirHint found the following cheapest return flights from London (LHR) to Washington (IAD)
in June 2025 (see full year ).
Return flights
05 Jun
- 09 Jun
Scandinavian Airlines
637 €
13 Jun
- 16 Jun
Scandinavian Airlines
640 €
04 Jun
- 10 Jun
Scandinavian Airlines
644 €
06 Jun
- 14 Jun
Scandinavian Airlines
645 €
12 Jun
- 19 Jun
Scandinavian Airlines
646 €
05 Jun
- 10 Jun
Scandinavian Airlines
646 €
04 Jun
- 18 Jun
Scandinavian Airlines
646 €
04 Jun
- 11 Jun
Scandinavian Airlines
646 €
05 Jun
- 08 Jun
Scandinavian Airlines
646 €
05 Jun
- 15 Jun
Scandinavian Airlines
646 €
25 Jun
- 10 Jul
Icelandair
666 €
19 Jun
- 08 Jul
Icelandair
679 €
12 Jun
- 07 Jul
Icelandair
681 €
13 Jun
- 04 Jul
Icelandair
705 €
12 Jun
- 06 Jul
Icelandair
706 €
27 Jun
- 06 Jul
Icelandair
709 €
27 Jun
- 12 Jul
Icelandair
709 €
05 Jun
- 23 Jul
Brussels Airlines
744 €
21 Jun
- 17 Jul
TAP
849 €
29 Jun
- 31 Jul
Aer Lingus
859 €
Also check the deals for one-way flights from London to Washington in June .
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.