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

13 Apr - 20 Apr Icelandair
23 Apr - 30 Apr Icelandair
23 Apr - 07 May Icelandair
26 Apr - 10 May Icelandair
03 Apr - 10 Apr Icelandair
23 Apr - 07 May Condor direct
26 Apr - 10 May Condor direct
03 Apr - 10 Apr Lufthansa direct
13 Apr - 20 Apr Lufthansa direct
23 Apr - 30 Apr United direct

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

Skyscanner

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.

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