Flights to South Sioux Falls from Seattle - ￥34,750

View ￥34,750 flight on Mon, Oct 13, 2025Opens in a new window

Popular airlines from Seattle to South Sioux Falls

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle to South Sioux Falls (SEA-FSD)

Prices were available within the past 7 days and start at ￥34,750 for one-way flights and ￥75,370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥75,370 Roundtrip, found 1 day ago
￥75,370
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥75,370 found 1 day ago
Delta
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥75,410 Roundtrip, found 1 day ago
￥75,410
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥75,410 found 1 day ago
Delta
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥77,900 Roundtrip, found 1 day ago
￥77,900
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥77,900 found 1 day ago
Delta
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥78,280 Roundtrip, found 1 day ago
￥78,280
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥78,280 found 1 day ago
United
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥79,600 Roundtrip, found 1 day ago
￥79,600
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥79,600 found 1 day ago
Delta
Mon, Oct 13 - Thu, Oct 16
SEA
Seattle
FSD
Sioux Falls
￥80,550 Roundtrip, found 1 day ago
￥80,550
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Seattle to Sioux Falls, returning Thu, Oct 16, priced at ￥80,550 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Sioux Falls (FSD)

November is typically the cheapest month to fly

From ￥26,089 - ￥110,875 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.