Cheapest return flights from Seattle to Ljubljana in June from 867€

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

Return flights

04 Jun - 11 Jun Icelandair
07 Jun - 14 Jun Lufthansa
06 Jun - 13 Jun Icelandair
23 Jun - 30 Jun Lufthansa
26 Jun - 04 Jul Icelandair
05 Jun - 12 Jun WestJet
25 Jun - 03 Jul Icelandair
23 Jun - 01 Jul Icelandair
26 Jun - 03 Jul Icelandair
27 Jun - 04 Jul WestJet
25 Jun - 02 Jul Icelandair
24 Jun - 01 Jul Delta
24 Jun - 02 Jul Delta
27 Jun - 05 Jul jetBlue

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

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