Cheapest return flights from Boston to London in April from $391

Best time to book flights for Boston (BOS) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to London (LHR) in April 2025 (see full year).

Return flights

25 Apr - 29 Apr Delta
04 Apr - 14 Apr Delta
08 Apr - 22 Apr British Airways direct
01 Apr - 08 Apr British Airways direct
01 Apr - 15 Apr British Airways direct
08 Apr - 15 Apr Delta
03 Apr - 15 Apr Delta
25 Apr - 29 Apr Air France direct
06 Apr - 18 Apr Delta direct
02 Apr - 30 Apr Air France direct
24 Apr - 02 May TAP
30 Apr - 12 May TAP
24 Apr - 09 May TAP
23 Apr - 02 May Delta direct
25 Apr - 03 May Air France direct
24 Apr - 09 May British Airways direct
24 Apr - 02 May British Airways direct
26 Apr - 03 May United

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

Skyscanner

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.

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