Cheapest return flights from Seattle to Frankfurt in May from $572

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

Return flights

01 May - 15 May Icelandair
05 May - 30 May Icelandair
09 May - 16 May Icelandair
05 May - 30 May Condor direct
01 May - 15 May Condor direct
19 May - 26 May Icelandair
20 May - 13 Jun Air Canada
20 May - 13 Jun Lufthansa direct

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

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