Cheapest return flights from Chicago to Frankfurt in August from $682

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 August 2025 (see full year).

Return flights

26 Aug - 09 Sep Turkish Airlines
23 Aug - 06 Sep Turkish Airlines
06 Aug - 18 Aug Air Canada
19 Aug - 26 Aug Lufthansa direct
08 Aug - 17 Aug Scandinavian Airlines
26 Aug - 17 Sep Delta
26 Aug - 09 Sep Lufthansa direct
24 Aug - 31 Aug Icelandair
14 Aug - 21 Aug Lufthansa direct
01 Aug - 08 Aug Turkish Airlines
24 Aug - 31 Aug Lufthansa direct
06 Aug - 18 Aug Lufthansa direct
29 Aug - 05 Sep Lufthansa direct
08 Aug - 17 Aug Lufthansa direct
23 Aug - 06 Sep Lufthansa direct
09 Aug - 16 Aug Lufthansa direct

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

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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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