Cheapest return flights from Seattle to Barcelona in January from 328€

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

Return flights

18 Jan - 25 Jan Icelandair
23 Jan - 30 Jan Icelandair
25 Jan - 01 Feb Icelandair
30 Jan - 06 Feb Icelandair
09 Jan - 16 Jan Icelandair
18 Jan - 23 Jan Icelandair
09 Jan - 23 Jan Icelandair
30 Jan - 01 Feb Icelandair
25 Jan - 30 Jan Icelandair
16 Jan - 23 Jan Icelandair
19 Jan - 26 Jan Brussels Airlines
22 Jan - 29 Jan Brussels Airlines
12 Jan - 19 Jan Air Canada
26 Jan - 02 Feb Air Canada
27 Jan - 03 Feb Air Canada
28 Jan - 04 Feb Brussels Airlines
29 Jan - 05 Feb Lufthansa
31 Jan - 07 Feb Air France

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

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