Cheapest return flights from Seattle to Frankfurt in April from 510€

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

Return flights

19 Apr - 14 May Condor direct
24 Apr - 04 May Condor direct
06 Apr - 20 Apr Condor direct
09 Apr - 23 Apr Condor direct
02 Apr - 16 Apr Condor direct
21 Apr - 28 Apr Icelandair
06 Apr - 23 Apr Delta
21 Apr - 28 Apr Lufthansa direct

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

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