Cheapest return flights from Seattle to Barcelona in October from 457€

AirHint found the following cheapest return flights from Seattle (SEA) to Barcelona (BCN) in October 2025 (see full year).

Return flights

04 Oct - 11 Oct Scandinavian Airlines
07 Oct - 14 Oct Scandinavian Airlines
28 Oct - 04 Nov Alaska Airlines
14 Oct - 21 Oct Scandinavian Airlines
13 Oct - 08 Nov Icelandair
08 Oct - 15 Oct Scandinavian Airlines
17 Oct - 24 Oct Scandinavian Airlines
30 Oct - 06 Nov Icelandair
03 Oct - 14 Oct Scandinavian Airlines
29 Oct - 05 Nov Hawaiian Airlines
27 Oct - 03 Nov Hawaiian Airlines
20 Oct - 27 Oct Icelandair
03 Oct - 10 Oct Scandinavian Airlines
14 Oct - 08 Nov Icelandair
15 Oct - 22 Oct Aer Lingus
10 Oct - 17 Oct Icelandair
31 Oct - 22 Nov WestJet
31 Oct - 07 Nov Icelandair
26 Oct - 02 Nov Lufthansa
09 Oct - 01 Nov Hawaiian Airlines

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

Skyscanner

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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