AirHint found the following cheapest return flights from Philadelphia (PHL) to Paris (CDG) in March 2026 (see full year).

Return flights

01 Mar - 10 Mar	Aer Lingus
01 Mar - 11 Mar	Aer Lingus
17 Mar - 24 Mar	United
09 Mar - 13 Mar	jetBlue
22 Mar - 31 Mar	Finnair	direct
01 Mar - 10 Mar	Finnair	direct
17 Mar - 24 Mar	Finnair	direct
01 Mar - 09 Mar	Aer Lingus
18 Mar - 23 Mar	Lufthansa
01 Mar - 08 Mar	Aer Lingus
25 Mar - 01 Apr	Aer Lingus
29 Mar - 02 Apr	Spirit Airlines
27 Mar - 05 Apr	Frontier Airlines
28 Mar - 05 Apr	Spirit Airlines
27 Mar - 03 Apr	Frontier Airlines
25 Mar - 01 Apr	Iberia	direct

Also check the deals for one-way flights from Philadelphia 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 Philadelphia to Paris in March from 510€

Return flights