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

Return flights

10 Sep - 25 Sep	LOT
08 Sep - 23 Sep	SWISS
08 Sep - 17 Sep	SWISS
09 Sep - 23 Sep	SWISS
07 Sep - 15 Sep	SWISS
01 Sep - 15 Sep	SWISS
16 Sep - 24 Sep	Austrian Airlines
04 Sep - 18 Sep	Lufthansa
09 Sep - 16 Sep	Air France
05 Sep - 08 Sep	Air Canada
17 Sep - 01 Oct	LOT
27 Sep - 05 Oct	SWISS
29 Sep - 24 Oct	Lufthansa

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 358€

Return flights