Cheapest return flights from Boston to London in May from $472
AirHint found the following cheapest return flights from Boston (BOS) to London (LHR)
in May 2026 (see full year ).
Return flights
01 May
- 04 May
Iberia
$ 472
13 May
- 20 May
Iberia
$ 472
05 May
- 30 May
Iberia
$ 494
06 May
- 12 May
Aer Lingus
$ 496
07 May
- 10 May
British Airways
$ 497
direct
02 May
- 09 May
Iberia
$ 498
direct
01 May
- 10 May
British Airways
$ 498
direct
06 May
- 12 May
Iberia
$ 499
direct
17 May
- 29 May
Icelandair
$ 504
21 May
- 26 May
Icelandair
$ 507
28 May
- 11 Jun
Iberia
$ 569
28 May
- 20 Jun
British Airways
$ 594
direct
28 May
- 08 Jun
Aer Lingus
$ 609
25 May
- 01 Jun
Iberia
$ 635
direct
28 May
- 08 Jun
American Airlines
$ 639
direct
30 May
- 02 Jun
British Airways
$ 640
direct
31 May
- 07 Jun
British Airways
$ 640
direct
26 May
- 02 Jun
British Airways
$ 640
direct
28 May
- 04 Jun
British Airways
$ 640
direct
29 May
- 05 Jun
British Airways
$ 640
direct
Also check the deals for one-way flights from Boston to London in May .
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