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

Return flights

02 Feb - 16 Feb	TAP
01 Feb - 14 Feb	TAP
01 Feb - 07 Feb	TAP
10 Feb - 24 Feb	Aer Lingus
19 Feb - 05 Mar	Aer Lingus
05 Feb - 19 Feb	Aer Lingus
06 Feb - 28 Feb	TAP
16 Feb - 02 Mar	Aer Lingus
28 Feb - 28 Mar	Aer Lingus
11 Feb - 18 Feb	Icelandair
01 Feb - 08 Feb	Icelandair
06 Feb - 13 Feb	Icelandair
10 Feb - 24 Feb	Lufthansa	direct
16 Feb - 02 Mar	Lufthansa	direct
19 Feb - 05 Mar	Lufthansa	direct

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

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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Cheapest return flights from Boston to Frankfurt in February from 391€

Return flights