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

Return flights

20 Apr - 24 Apr	Ryanair
07 Apr - 14 Apr	Ryanair
21 Apr - 28 Apr	TAP
13 Apr - 05 May	TAP
05 Apr - 14 Apr	Ryanair
29 Apr - 10 May	TAP
13 Apr - 19 Apr	Ryanair
21 Apr - 29 Apr	TAP
01 Apr - 08 Apr	Icelandair
02 Apr - 06 Apr	Icelandair
18 Apr - 25 Apr	Icelandair
02 Apr - 12 Apr	Icelandair
23 Apr - 02 May	Icelandair
16 Apr - 01 May	Aer Lingus
17 Apr - 01 May	Aer Lingus
18 Apr - 01 May	Aer Lingus
19 Apr - 01 May	Aer Lingus
20 Apr - 01 May	Aer Lingus
21 Apr - 01 May	Aer Lingus
19 Apr - 30 May	Aer Lingus

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

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.

Book a cheap hotel in Boston

Cheap car rent in Boston

Cheapest return flights from Frankfurt to Boston in April from 341€

Return flights