Cheapest one-way flights from Seattle to Frankfurt in September from 261€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Frankfurt (FRA) in September 2025 (see full year).

One-Way flights

23 Sep Hawaiian Airlines
18 Sep Condor
11 Sep WestJet
25 Sep Frontier Airlines
16 Sep WestJet
11 Sep Condor direct
09 Sep Condor direct
08 Sep Condor direct
18 Sep Condor direct
14 Sep Lufthansa direct

Also check the deals for return flights from Seattle to Frankfurt in September.

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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