AirHint found the following cheapest return flights from Seattle (SEA) to Barcelona (BCN) in February 2026 (see full year).

Return flights

15 Feb - 24 Feb	Icelandair
01 Feb - 08 Feb	Icelandair
01 Feb - 10 Feb	Icelandair
04 Feb - 13 Feb	Icelandair
06 Feb - 13 Feb	Icelandair
06 Feb - 15 Feb	Icelandair
08 Feb - 15 Feb	Icelandair
08 Feb - 17 Feb	Icelandair
18 Feb - 27 Feb	Icelandair
20 Feb - 27 Feb	Icelandair
27 Feb - 07 Mar	Icelandair

Also check the deals for one-way flights from Seattle to Barcelona in February.

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 Barcelona in February from $379

Return flights