Cheapest return flights from Seattle to Barcelona in June from 579€

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

Return flights

11 Jun - 25 Jun Condor
04 Jun - 10 Jun Condor
02 Jun - 08 Jun Condor
08 Jun - 15 Jun WestJet
30 Jun - 14 Jul Condor
20 Jun - 11 Jul Condor
19 Jun - 11 Jul Condor
23 Jun - 18 Jul Condor
17 Jun - 11 Jul Condor
18 Jun - 11 Jul Condor
01 Jun - 27 Jun TAP
04 Jun - 10 Jun Delta direct

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

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