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

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

Return flights

20 Jan - 27 Jan TAP
08 Jan - 14 Jan TAP
12 Jan - 26 Jan Aer Lingus
16 Jan - 25 Jan TAP
12 Jan - 19 Jan Icelandair
17 Jan - 24 Jan Icelandair
22 Jan - 29 Jan Icelandair
27 Jan - 03 Feb Icelandair
07 Jan - 14 Jan Icelandair
20 Jan - 27 Jan Lufthansa direct
07 Jan - 14 Jan Lufthansa direct
27 Jan - 03 Feb Lufthansa direct

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

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

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