Cheapest return flights from Chicago to Frankfurt in October from $625

Best time to book flights for Chicago (ORD) to Frankfurt (FRA) flights at AirHint

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

Return flights

22 Oct - 05 Nov TAP
23 Oct - 28 Oct TAP
25 Oct - 08 Nov Scandinavian Airlines
04 Oct - 25 Oct Turkish Airlines
22 Oct - 05 Nov Lufthansa direct
03 Oct - 10 Oct Icelandair
13 Oct - 20 Oct Lufthansa direct
23 Oct - 30 Oct Lufthansa direct
23 Oct - 28 Oct Lufthansa direct
25 Oct - 08 Nov Lufthansa direct
03 Oct - 10 Oct Lufthansa direct
04 Oct - 25 Oct Lufthansa direct

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

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.

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