Cheapest return flights from Seattle to Barcelona in March from 355€

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

Return flights

04 Mar - 17 Mar Icelandair
01 Mar - 08 Mar Icelandair
06 Mar - 13 Mar Icelandair
08 Mar - 15 Mar Icelandair
23 Mar - 30 Mar Scandinavian Airlines
12 Mar - 19 Mar Scandinavian Airlines
05 Mar - 12 Mar Scandinavian Airlines
10 Mar - 17 Mar Scandinavian Airlines
04 Mar - 11 Mar Scandinavian Airlines
17 Mar - 24 Mar Scandinavian Airlines
31 Mar - 07 Apr Scandinavian Airlines
25 Mar - 01 Apr Turkish Airlines
26 Mar - 02 Apr Turkish Airlines
16 Mar - 01 Apr Aer Lingus
15 Mar - 01 Apr Aer Lingus
16 Mar - 24 Apr Turkish Airlines
30 Mar - 06 Apr Turkish Airlines
16 Mar - 25 Apr Aer Lingus
29 Mar - 05 Apr Turkish Airlines
27 Mar - 03 Apr Turkish Airlines

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

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