AirHint found the following cheapest one-way flights from Seattle (SEA) to Frankfurt (FRA) in April 2026 (see full year).
One-Way flights
| 16 Apr | Scandinavian Airlines | ||
| 08 Apr | Air Canada | ||
| 06 Apr | WestJet | ||
| 07 Apr | Icelandair | ||
| 07 Apr | Lufthansa | direct | |
| 06 Apr | Lufthansa | direct | |
| 08 Apr | Lufthansa | direct | |
| 16 Apr | Lufthansa | direct |
Also check the deals for return flights from Seattle to Frankfurt in April.
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