AirHint found the following cheapest one-way flights from Seattle (SEA) to Frankfurt (FRA) in April 2026 (see full year).
One-Way flights
| 20 Apr | Icelandair | ||
| 19 Apr | Icelandair | ||
| 30 Apr | Air France | ||
| 19 Apr | Condor | direct | |
| 20 Apr | Condor | direct | |
| 17 Apr | Lufthansa | ||
| 14 Apr | Turkish Airlines | ||
| 30 Apr | Condor | direct |
Also check the deals for return flights from Seattle to Frankfurt in April.
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