Flights to Eastern South Dakota from Seattle - ￥34,750

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

Popular airlines from Seattle to Eastern South Dakota

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle to Eastern South Dakota (SEA-FSD)

Prices were available within the past 7 days and start at ￥34,750 for one-way flights and ￥64,740 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 27 - Sun, Feb 22
SEA
Seattle
SUX
Sioux City
￥64,740 Roundtrip, found 22 hours ago
￥64,740
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Sep 27 from Seattle to Sioux City, returning Sun, Feb 22, priced at ￥64,740 found 22 hours ago
United
Sat, Sep 27 - Sun, Feb 22
SEA
Seattle
SUX
Sioux City
￥65,400 Roundtrip, found 22 hours ago
￥65,400
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Sep 27 from Seattle to Sioux City, returning Sun, Feb 22, priced at ￥65,400 found 22 hours ago
United
Sat, Sep 27 - Sun, Feb 22
SEA
Seattle
SUX
Sioux City
￥67,620 Roundtrip, found 22 hours ago
￥67,620
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Sep 27 from Seattle to Sioux City, returning Sun, Feb 22, priced at ￥67,620 found 22 hours ago
United
Sat, Sep 27 - Sun, Feb 22
SEA
Seattle
SUX
Sioux City
￥69,050 Roundtrip, found 22 hours ago
￥69,050
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Sep 27 from Seattle to Sioux City, returning Sun, Feb 22, priced at ￥69,050 found 22 hours ago
United
Sat, Sep 27 - Sun, Feb 22
SEA
Seattle
SUX
Sioux City
￥74,200 Roundtrip, found 22 hours ago
￥74,200
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Sep 27 from Seattle to Sioux City, returning Sun, Feb 22, priced at ￥74,200 found 22 hours ago
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

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.