AirHint found the following cheapest return flights from Washington (DCA) to London (LGW)
in June 2025 (see full year ).
Return flights
10 Jun
- 18 Jun
Air Canada
$ 655
10 Jun
- 16 Jun
Air Canada
$ 682
18 Jun
- 24 Jun
Air Canada
$ 693
04 Jun
- 11 Jun
Air Canada
$ 697
18 Jun
- 25 Jun
Air Canada
$ 708
09 Jun
- 09 Jul
Air Canada
$ 708
02 Jun
- 10 Jun
American Airlines
$ 714
10 Jun
- 17 Jun
British Airways
$ 718
02 Jun
- 11 Jun
British Airways
$ 718
11 Jun
- 18 Jun
Air Canada
$ 735
02 Jun
- 06 Jun
Air Canada
$ 739
25 Jun
- 16 Jul
American Airlines
$ 782
24 Jun
- 04 Jul
British Airways
$ 783
23 Jun
- 06 Jul
Air Canada
$ 818
14 Jun
- 08 Jul
American Airlines
$ 842
25 Jun
- 02 Jul
Air Canada
$ 855
13 Jun
- 08 Jul
American Airlines
$ 856
24 Jun
- 01 Jul
American Airlines
$ 860
25 Jun
- 09 Jul
American Airlines
$ 860
16 Jun
- 06 Jul
Air Canada
$ 877
Also check the deals for one-way flights from Washington to London 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.