Cheapest return flights from Chicago to Frankfurt in August from $861

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

Return flights

31 Aug - 16 Sep Icelandair
30 Aug - 03 Sep TAP
30 Aug - 13 Sep Frontier Airlines
30 Aug - 20 Sep TAP
31 Aug - 16 Sep Lufthansa direct
30 Aug - 20 Sep Lufthansa direct
30 Aug - 13 Sep Lufthansa direct
31 Aug - 08 Sep Lufthansa direct
30 Aug - 03 Sep Lufthansa direct

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

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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