AirHint found the following cheapest return flights from Seattle (SEA) to Paris (CDG) in December 2025 (see full year).

Return flights

31 Dec - 13 Jan	Icelandair
27 Dec - 30 Dec	Condor
31 Dec - 06 Jan	Lufthansa
30 Dec - 06 Jan	Icelandair
25 Dec - 28 Dec	Condor
24 Dec - 31 Dec	Condor
23 Dec - 26 Dec	Condor
30 Dec - 05 Jan	Condor
26 Dec - 28 Dec	Air Canada
25 Dec - 03 Jan	Icelandair
26 Dec - 03 Jan	WestJet
26 Dec - 23 Jan	Delta
23 Dec - 02 Jan	KLM
26 Dec - 02 Jan	Alaska Airlines
24 Dec - 31 Dec	Air France	direct
26 Dec - 02 Jan	Virgin Atlantic	direct
22 Dec - 30 Dec	Air France	direct
25 Dec - 28 Dec	Air France	direct
23 Dec - 26 Dec	Air France	direct

Also check the deals for one-way flights from Seattle to Paris in December.

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 December from $518

Return flights