AirHint found the following cheapest return flights from St. Louis (STL) to Paris (CDG) in April 2026 (see full year).

Return flights

21 Apr - 03 May	Scandinavian Airlines
14 Apr - 09 May	Scandinavian Airlines
21 Apr - 04 May	Scandinavian Airlines
19 Apr - 03 May	Lufthansa
20 Apr - 04 May	Iberia
01 Apr - 08 Apr	Air France
21 Apr - 28 Apr	Air France
17 Apr - 09 May	Lufthansa
06 Apr - 13 Apr	Air France
16 Apr - 23 Apr	KLM
26 Apr - 03 May	KLM
11 Apr - 18 Apr	KLM

Also check the deals for one-way flights from St. Louis to Paris in April.

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 St. Louis to Paris in April from $742

Return flights