Cheapest one-way flights from London (LHR) to Boston (BOS), April

10 dates in April 2027, from $ 429. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
19 Apr 2027 Icelandair
18 Apr 2027 Icelandair
16 Apr 2027 SWISS
29 Apr 2027 SWISS
25 Apr 2027 Lufthansa
15 Apr 2027 Icelandair
15 Apr 2027 British Airways
Direct Flight
25 Apr 2027 British Airways
Direct Flight
19 Apr 2027 British Airways
Direct Flight
18 Apr 2027 Iberia
Direct Flight
Powered by

Cheapest deals for the full year

Deals for return flights from London to Boston in April.

Book a cheap hotel in Boston

Cheap car rent in General Edward Lawrence Logan Intl

Updated Oct 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.