Cheapest return flights from Seattle to Barcelona in June from $776

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

Return flights

11 Jun - 18 Jun Condor
10 Jun - 17 Jun Condor
16 Jun - 23 Jun Condor
12 Jun - 19 Jun Condor
14 Jun - 21 Jun Condor
15 Jun - 22 Jun Condor
17 Jun - 24 Jun Condor
20 Jun - 01 Jul Condor
11 Jun - 29 Jun Condor
08 Jun - 15 Jun WestJet
30 Jun - 07 Jul Aer Lingus
09 Jun - 16 Jun Icelandair
24 Jun - 01 Jul Condor
17 Jun - 02 Jul Aer Lingus
13 Jun - 01 Jul Condor
25 Jun - 02 Jul Condor
26 Jun - 03 Jul Condor
29 Jun - 06 Jul Condor
28 Jun - 05 Jul Condor
27 Jun - 04 Jul Condor

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

Powered by

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.