AirHint found the following cheapest return flights from Chicago (MDW) to Paris (CDG) in May 2026 (see full year).

Return flights

03 May - 13 May	Delta
04 May - 14 May	Delta
07 May - 12 May	KLM
06 May - 14 May	Delta
01 May - 10 May	KLM
12 May - 26 May	KLM
13 May - 21 May	KLM
08 May - 11 May	KLM
26 May - 09 Jun	Delta
25 May - 03 Jun	Delta
26 May - 02 Jun	Delta
26 May - 03 Jun	Delta
26 May - 04 Jun	Delta
18 May - 25 May	KLM
25 May - 02 Jun	Delta
21 May - 29 May	KLM
26 May - 08 Jun	Porter Airlines (Canada) Ltd

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

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 May from $573

Return flights