AirHint found the following cheapest return flights from Frankfurt (FRA) to Boston (BOS) in October 2025 (see full year).

Return flights

15 Oct - 20 Oct	Ryanair
22 Oct - 29 Oct	Ryanair
14 Oct - 19 Oct	Ryanair
14 Oct - 21 Oct	Ryanair
02 Oct - 14 Oct	Condor	direct
13 Oct - 22 Oct	Ryanair
13 Oct - 06 Nov	Ryanair
06 Oct - 20 Oct	Condor	direct
22 Oct - 28 Oct	Lufthansa	direct
09 Oct - 14 Oct	Condor	direct
07 Oct - 13 Oct	Condor	direct
15 Oct - 02 Nov	easyJet
13 Oct - 02 Nov	Aer Lingus
16 Oct - 07 Nov	Lufthansa
05 Oct - 26 Nov	Icelandair
24 Oct - 04 Nov	Icelandair
29 Oct - 05 Nov	Icelandair
29 Oct - 02 Nov	Icelandair
26 Oct - 09 Nov	Icelandair
18 Oct - 02 Nov	Icelandair

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

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 October from 378€

Return flights