Cheapest return flights from Boston to London in April from $482

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

Return flights

23 Apr - 30 Apr Air Canada
07 Apr - 14 Apr Air Canada
15 Apr - 29 Apr Air Canada
21 Apr - 28 Apr United
21 Apr - 28 Apr Air France direct
07 Apr - 14 Apr Air France direct
23 Apr - 30 Apr Air France direct
15 Apr - 29 Apr Air France direct
06 Apr - 06 Apr Iberia
07 Apr - 07 Apr Iberia

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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