Cheapest return flights from Boston to London in May from 511€

AirHint found the following cheapest return flights from Boston (BOS) to London (STN) in May 2026 (see full year).

Return flights

01 May - 07 May Icelandair
11 May - 18 May Condor
08 May - 17 May Icelandair
11 May - 17 May Icelandair
14 May - 17 May Condor
11 May - 16 May TAP
12 May - 18 May TAP
03 May - 10 May Icelandair
10 May - 14 May Aer Lingus
09 May - 15 May TAP
25 May - 02 Jun Icelandair
12 May - 10 Jun TAP
25 May - 08 Jun Icelandair
25 May - 16 Jun Azores Airlines
29 May - 04 Jun Icelandair
27 May - 17 Jun Icelandair
20 May - 05 Jun Porter Airlines (Canada) Ltd
23 May - 06 Jun Icelandair
20 May - 03 Jun Icelandair
18 May - 16 Jun Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Boston to London in May.

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.