Cheapest return flights from Seattle to Barcelona in June from $793

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

Return flights

11 Jun - 19 Jun Icelandair
03 Jun - 11 Jun Condor
12 Jun - 26 Jun Icelandair
13 Jun - 29 Jun Condor
17 Jun - 02 Jul Air Canada
20 Jun - 04 Jul SWISS
15 Jun - 22 Jun Icelandair
05 Jun - 12 Jun Icelandair
11 Jun - 19 Jun Air France direct
25 Jun - 02 Jul Icelandair
20 Jun - 27 Jun Icelandair

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

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