Cheapest return flights from Seattle to Tallinn in May from $668

AirHint found the following cheapest return flights from Seattle (SEA) to Tallinn (TLL) in May 2026 (see full year).

Return flights

24 May - 11 Jun Lufthansa
22 May - 12 Jun Scandinavian Airlines
21 May - 10 Jun Icelandair
24 May - 15 Jun Lufthansa
23 May - 11 Jun Scandinavian Airlines
21 May - 12 Jun Icelandair
23 May - 14 Jun Scandinavian Airlines
23 May - 13 Jun Scandinavian Airlines
25 May - 12 Jun Icelandair
22 May - 10 Jun Icelandair

Also check the deals for one-way flights from Seattle to Tallinn in May.

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