AirHint found the following cheapest return flights from Newark (EWR) to Budapest (BUD) in September 2025 (see full year).

Return flights

02 Sep - 19 Sep	Air Canada
08 Sep - 19 Sep	Air Canada
03 Sep - 09 Sep	Air Canada
01 Sep - 15 Sep	Air Canada
03 Sep - 10 Sep	Air Canada
09 Sep - 18 Sep	Air Canada
23 Sep - 07 Oct	Air Canada
10 Sep - 17 Sep	SWISS
04 Sep - 18 Sep	Austrian Airlines
14 Sep - 26 Sep	SWISS
26 Sep - 10 Oct	SWISS
20 Sep - 04 Oct	Air Canada
24 Sep - 28 Oct	Austrian Airlines
09 Sep - 20 Sep	United
24 Sep - 29 Oct	Austrian Airlines
27 Sep - 05 Oct	SWISS

Also check the deals for one-way flights from Newark to Budapest in September.

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 Newark to Budapest in September from $402

Return flights