Flights from Sioux Falls to Seattle from $ 361*
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1 Passenger, Economy
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today
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More United deals on Sioux Falls (FSD) to Seattle (SEA) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 10/22/26 - 10/26/26 | from $ 367 Viewed: 2 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 08/05/26 - 08/12/26 | from $ 361 Viewed: 15 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 10/23/26 - 10/26/26 | from $ 395 Viewed: 1 day ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 06/06/26 - 06/09/26 | from $ 421 Viewed: 15 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 08/06/26 - 08/13/26 | from $ 426 Viewed: 15 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 07/29/26 - 08/05/26 | from $ 431 Viewed: 15 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 05/16/26 - 05/23/26 | from $ 434 Viewed: 15 hours ago |
| Sioux Falls (FSD) | Seattle (SEA) | Roundtrip | Economy | 06/24/26 - 07/01/26 | from $ 447 Viewed: 15 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
