AirHint found the following cheapest return flights from Chicago (ORD) to Paris (ORY) in March 2026 (see full year).

Return flights

01 Mar - 08 Mar	TAP
02 Mar - 08 Mar	Iberia
18 Mar - 25 Mar	TAP
17 Mar - 24 Mar	Finnair
23 Mar - 15 Apr	Iberia
07 Mar - 14 Mar	Spirit Airlines
12 Mar - 23 Mar	Spirit Airlines
14 Mar - 20 Mar	Spirit Airlines
06 Mar - 14 Mar	Spirit Airlines
21 Mar - 25 Mar	Spirit Airlines
18 Mar - 30 Mar	Spirit Airlines
27 Mar - 02 Apr	TAP
27 Mar - 01 Apr	TAP
27 Mar - 04 Apr	Spirit Airlines
28 Mar - 02 Apr	Spirit Airlines
28 Mar - 04 Apr	Spirit Airlines

Also check the deals for one-way flights from Chicago to Paris in March.

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 Chicago to Paris in March from 378€

Return flights