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

Return flights

18 Aug - 28 Aug	TAP
24 Aug - 07 Sep	TAP
27 Aug - 10 Sep	TAP
27 Aug - 07 Sep	TAP
28 Aug - 11 Sep	TAP
10 Aug - 20 Aug	Air Canada
27 Aug - 01 Sep	TAP
13 Aug - 18 Aug	Icelandair
17 Aug - 29 Aug	Air Canada
04 Aug - 23 Aug	TAP
04 Aug - 18 Aug	TAP
20 Aug - 27 Aug	TAP
18 Aug - 27 Aug	TAP
19 Aug - 26 Aug	TAP
25 Aug - 03 Sep	TAP
18 Aug - 25 Aug	TAP
27 Aug - 10 Sep	Singapore Airlines	direct
05 Aug - 18 Sep	Norse Atlantic Airways
02 Aug - 04 Sep	TAP
25 Aug - 03 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 $451

Return flights