AirHint found the following cheapest return flights from Seattle (SEA) to Nice (NCE) in May 2026 (see full year).

Return flights

05 May - 12 May	Delta
06 May - 13 May	KLM
04 May - 11 May	British Airways
03 May - 10 May	Delta
07 May - 14 May	KLM
08 May - 15 May	KLM
01 May - 08 May	British Airways
02 May - 09 May	British Airways
19 May - 26 May	United
20 May - 27 May	Lufthansa
28 May - 04 Jun	Turkish Airlines
30 May - 06 Jun	Scandinavian Airlines
29 May - 05 Jun	Icelandair
31 May - 07 Jun	Icelandair

Also check the deals for one-way flights from Seattle to Nice 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 Seattle to Nice in May from $496

Return flights