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

Return flights

01 Feb - 10 Feb	Icelandair
06 Feb - 15 Feb	Icelandair
27 Feb - 06 Mar	Icelandair
08 Feb - 15 Feb	Icelandair
20 Feb - 27 Feb	Icelandair
05 Feb - 28 Feb	Iberia
16 Feb - 22 Feb	Air Canada
15 Feb - 22 Feb	Air Canada
09 Feb - 16 Feb	United
16 Feb - 23 Feb	United
19 Feb - 26 Feb	United
24 Feb - 03 Mar	United
23 Feb - 03 Mar	United
24 Feb - 04 Mar	United
25 Feb - 04 Mar	United
22 Feb - 02 Mar	Lufthansa
22 Feb - 01 Mar	Icelandair
23 Feb - 02 Mar	Lufthansa
26 Feb - 06 Mar	Lufthansa
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 $382

Return flights