Cheapest return flights from Boston to Frankfurt in April from 457€

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

Return flights

23 Apr - 28 Apr LEVEL
09 Apr - 16 Apr Icelandair
12 Apr - 19 Apr Icelandair
15 Apr - 22 Apr Icelandair
21 Apr - 28 Apr Icelandair
27 Apr - 04 May Icelandair
30 Apr - 07 May Icelandair
18 Apr - 28 Apr Air Canada
02 Apr - 16 Apr TAP
03 Apr - 12 Apr Aer Lingus
24 Apr - 01 May Icelandair
09 Apr - 09 May Aer Lingus
15 Apr - 27 Apr Air Canada
17 Apr - 24 Apr Delta

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

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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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