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

Return flights

22 Apr - 30 Apr	Icelandair
08 Apr - 15 Apr	KLM
14 Apr - 21 Apr	Delta
15 Apr - 22 Apr	KLM
28 Apr - 05 May	Delta
29 Apr - 06 May	KLM
13 Apr - 20 Apr	British Airways
20 Apr - 27 Apr	British Airways
21 Apr - 28 Apr	British Airways
22 Apr - 29 Apr	British Airways
27 Apr - 04 May	British Airways
07 Apr - 14 Apr	British Airways
09 Apr - 16 Apr	Delta
26 Apr - 03 May	Delta
24 Apr - 01 May	British Airways
30 Apr - 07 May	British Airways
25 Apr - 02 May	British Airways

Also check the deals for one-way flights from Seattle to Nice 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 Seattle to Nice in April from $423

Return flights