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

Return flights

05 Mar - 08 Mar	Icelandair
15 Mar - 25 Mar	Icelandair
05 Mar - 12 Mar	Condor
17 Mar - 31 Mar	Icelandair
23 Mar - 31 Mar	Icelandair
14 Mar - 25 Mar	Icelandair
06 Mar - 13 Mar	Icelandair
18 Mar - 01 Apr	Icelandair
17 Mar - 01 Apr	Icelandair
18 Mar - 02 Apr	Icelandair
14 Mar - 01 Apr	Icelandair
11 Mar - 22 Mar	Aer Lingus
02 Mar - 29 Mar	Aer Lingus
02 Mar - 31 Mar	Delta
20 Mar - 05 Apr	Aer Lingus
29 Mar - 10 Apr	Virgin Atlantic	direct
30 Mar - 10 Apr	Virgin Atlantic	direct

Also check the deals for one-way flights from Seattle 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 Seattle to Paris in March from 412€

Return flights