Cheapest return flights from Chicago to Newark in September from $143

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

Return flights

25 Sep - 29 Sep Frontier Airlines
25 Sep - 26 Sep Frontier Airlines
25 Sep - 01 Oct Frontier Airlines
26 Sep - 30 Sep Frontier Airlines
26 Sep - 29 Sep Frontier Airlines
30 Sep - 03 Oct Frontier Airlines
26 Sep - 03 Oct Frontier Airlines
24 Sep - 01 Oct Frontier Airlines
22 Sep - 25 Sep Frontier Airlines
24 Sep - 30 Sep Frontier Airlines
22 Sep - 29 Sep Frontier Airlines
23 Sep - 30 Sep Frontier Airlines
30 Sep - 15 Oct Frontier Airlines
30 Sep - 04 Oct Frontier Airlines
22 Sep - 23 Sep Frontier Airlines
22 Sep - 24 Sep Frontier Airlines
25 Sep - 04 Oct Frontier Airlines
27 Sep - 04 Oct Delta
26 Sep - 04 Oct Frontier Airlines
26 Sep - 05 Oct Frontier Airlines

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

Skyscanner

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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