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

Return flights

10 Feb - 17 Feb	Air Canada
17 Feb - 24 Feb	Air Canada
03 Feb - 10 Feb	Air Canada
24 Feb - 03 Mar	Air Canada
04 Feb - 11 Feb	Air Canada
11 Feb - 18 Feb	Air Canada
18 Feb - 25 Feb	Air Canada
09 Feb - 16 Feb	Air Canada
16 Feb - 23 Feb	Air Canada
23 Feb - 02 Mar	Air Canada
05 Feb - 12 Feb	Air Canada
07 Feb - 14 Feb	Air Canada
22 Feb - 01 Mar	Air Canada
25 Feb - 04 Mar	Austrian Airlines
15 Feb - 07 Mar	Lufthansa
26 Feb - 05 Mar	Air Canada
28 Feb - 07 Mar	SWISS
27 Feb - 06 Mar	Lufthansa

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 333€

Return flights