AirHint found the following cheapest return flights from San Francisco (SFO) to London (LGW)
in May 2025 (see full year ).
Return flights
06 May
- 13 May
Hawaiian Airlines
$ 588
13 May
- 19 May
Scandinavian Airlines
$ 596
07 May
- 14 May
British Airways
$ 597
13 May
- 20 May
British Airways
$ 597
04 May
- 13 May
British Airways
$ 602
02 May
- 06 May
Frontier Airlines
$ 606
13 May
- 21 May
WestJet
$ 618
07 May
- 12 May
Hawaiian Airlines
$ 621
13 May
- 26 May
WestJet
$ 629
13 May
- 29 May
British Airways
$ 632
21 May
- 11 Jun
Hawaiian Airlines
$ 659
24 May
- 02 Jun
WestJet
$ 661
05 May
- 02 Jun
Frontier Airlines
$ 663
21 May
- 03 Jun
Aer Lingus
$ 665
20 May
- 11 Jun
British Airways
$ 670
22 May
- 12 Jun
Frontier Airlines
$ 670
20 May
- 10 Jun
British Airways
$ 670
07 May
- 07 Jun
Hawaiian Airlines
$ 684
22 May
- 11 Jun
Frontier Airlines
$ 684
27 May
- 06 Jun
Vueling Airlines
$ 695
Also check the deals for one-way flights from San Francisco to London in May .
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.
