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

Return flights

21 Aug - 27 Aug	Aer Lingus
05 Aug - 18 Aug	Air Canada
18 Aug - 28 Aug	TAP
24 Aug - 07 Sep	TAP
27 Aug - 10 Sep	TAP
27 Aug - 22 Sep	TAP
27 Aug - 07 Sep	TAP
28 Aug - 11 Sep	TAP
10 Aug - 20 Aug	Air Canada
26 Aug - 01 Sep	TAP
27 Aug - 01 Sep	TAP
10 Aug - 18 Aug	Aer Lingus
20 Aug - 27 Aug	TAP
07 Aug - 13 Aug	Air Canada
04 Aug - 23 Aug	TAP
04 Aug - 18 Aug	TAP
18 Aug - 27 Aug	TAP
05 Aug - 18 Sep	TAP
25 Aug - 03 Sep	TAP
27 Aug - 22 Sep	Singapore Airlines	direct

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

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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Cheapest return flights from New York to Frankfurt in August from $419

Return flights