Cheapest one-way flights from Boston to London in December from $258

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

AirHint found the following cheapest one-way flights from Boston (BOS) to London (LHR) in December 2025 (see full year).

One-Way flights

11 Dec jetBlue direct
02 Dec jetBlue direct
12 Dec Virgin Atlantic direct
10 Dec Air France direct
28 Dec Air Canada
28 Dec Delta direct
15 Dec Delta direct
17 Dec Iberia direct
19 Dec Fly Play
19 Dec Iberia direct

Also check the deals for return flights from Boston to London in December.

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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