Cheapest return flights from Seattle to Barcelona in November from $451

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

Return flights

30 Nov - 16 Dec Icelandair
26 Nov - 03 Dec Aer Lingus
30 Nov - 07 Dec Icelandair
27 Nov - 04 Dec Icelandair
30 Nov - 08 Dec Aer Lingus
25 Nov - 02 Dec Lufthansa
23 Nov - 05 Dec British Airways
28 Nov - 06 Dec Lufthansa
24 Nov - 01 Dec Air France
29 Nov - 06 Dec Air France
10 Nov - 17 Nov Air Canada
11 Nov - 18 Nov Icelandair
21 Nov - 30 Nov WestJet
22 Nov - 29 Nov WestJet
22 Nov - 28 Nov WestJet
14 Nov - 16 Nov Lufthansa

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

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