US$114️ Cheap Flights from Seattle to Sioux Falls (2024)

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Seattle to Sioux Falls - Flights Starting at US$114

Book one-way or return flights from Seattle to Sioux Falls from as little as US$114. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Seattle to Sioux Falls

View airlines operating flights from Seattle to Sioux Falls. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$114

Alaska Airlines

From US$131

United Airlines

From US$178

American Airlines

From US$265

Delta Air Lines

From US$336

Sun Country Airlines

From US$382

ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Sioux Falls

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Sioux Falls.

Cheapest
SEA
22:04
15h 57m
1 transfer
FSD
16:01
Seattle-Tacoma International Airport - Sioux Falls Regional Airport
Thu, May 9Frontier Airlines
US$114
SEA
22:04
15h 57m
1 transfer
FSD
16:01
Seattle-Tacoma International Airport - Sioux Falls Regional Airport
Thu, May 9Frontier Airlines
US$114
Find More Flights

Frequently Asked Questions

When are flight tickets from Seattle (SEA) to Sioux Falls (FSD) the cheapest?
Airlines adjust prices for flights from Seattle to Sioux Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Seattle (SEA) to Sioux Falls (FSD) cost?
According to Trip.com's data, the lowest price is around $574.
What is the transportation method from the main airport to downtown in Sioux Falls?
- The distance from Sioux Falls Regional Airport to downtown is about 3km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Sioux Falls

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Sioux Falls. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

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Seattle to Sioux Falls Flight Information

Cheapest nonstop flight price	$113
Cheapest round-trip ticket price	$624
Off-season for travel	December
Peak season for travel	October
Flight distance	2,027.48km
Popular airline	Alaska Airlines