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Cheap flights from Seattle to Sioux Falls from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Sioux Falls departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Sioux Falls

Cheap round-trip flights

Frontier Logo
6:41 am - 2:12 pmSEA-FSD
5h 31m1 stop
Frontier Logo
3:07 pm - 11:01 pmFSD-SEA
9h 54m1 stop
$165Frontier
Find Deal
mié., ago. 20 - mié., ago. 27
Frontier Logo
6:25 am - 6:54 pmSEA-FSD
10h 29m1 stop
Frontier Logo
7:48 pm - 11:42 pmFSD-SEA
5h 54m1 stop
$200Frontier
Find Deal
mié., jul. 30 - mié., ago. 6
Frontier Logo
7:48 pm - 6:37 pmSEA-FSD
20h 49m1 stop
Frontier Logo
7:48 pm - 11:42 pmFSD-SEA
5h 54m1 stop
$244Frontier
Find Deal
jue., ago. 7 - mié., ago. 13
Delta Logo
11:55 pm - 10:19 amSEA-FSD
8h 24m1 stop
Delta Logo
5:00 am - 8:48 amFSD-SEA
5h 48m1 stop
$269Delta
Find Deal
mar., ago. 26 - mar., sep. 2
United Airlines Logo
1:05 pm - 11:40 pmSEA-FSD
8h 35m2 stops
United Airlines Logo
5:06 pm - 10:59 pmFSD-SEA
7h 53m1 stop
$299United Airlines
Find Deal
mié., sep. 3 - lun., sep. 8
United Airlines Logo
12:20 am - 10:50 amSEA-FSD
8h 30m1 stop
United Airlines Logo
6:26 pm - 11:59 pmFSD-SEA
7h 33m1 stop
$315United Airlines
Find Deal
lun., jul. 14 - mar., jul. 22
Delta Logo
11:46 am - 11:46 pmSEA-FSD
10h 00m2 stops
Delta Logo
5:00 am - 8:48 amFSD-SEA
5h 48m1 stop
$318Delta
Find Deal
sáb., ago. 23 - dom., ago. 31
American Airlines Logo
12:46 am - 12:17 pmSEA-FSD
9h 31m1 stop
American Airlines Logo
2:35 pm - 8:34 pmFSD-SEA
7h 59m1 stop
$329American Airlines
Find Deal
lun., ago. 25 - mar., sep. 2
American Airlines Logo
12:46 am - 11:49 amSEA-FSD
9h 03m1 stop
American Airlines Logo
2:25 pm - 9:08 pmFSD-SEA
8h 43m1 stop
$349American Airlines
Find Deal
vie., ago. 22 - mié., sep. 3
Alaska Airlines Logo
12:59 am - 11:49 amSEA-FSD
8h 50m1 stop
Alaska Airlines Logo
12:19 pm - 8:17 pmFSD-SEA
9h 58m1 stop
$399Alaska Airlines
Find Deal
vie., ago. 22 - sáb., ago. 30

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Sep 3
SEA1:05 pmSeattle/Tacoma Intl
8h 35m
2 stops
FSD11:40 pmSioux Falls Joe Foss Field
Sep 8
FSD5:06 pmSioux Falls Joe Foss Field
7h 53m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
United Airlines
Jul 14
SEA12:20 amSeattle/Tacoma Intl
8h 30m
1 stop
FSD10:50 amSioux Falls Joe Foss Field
Jul 22
FSD6:26 pmSioux Falls Joe Foss Field
7h 33m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
United Airlines
Sep 11
SEA3:36 pmSeattle/Tacoma Intl
6h 04m
1 stop
FSD11:40 pmSioux Falls Joe Foss Field
Sep 15
FSD5:06 pmSioux Falls Joe Foss Field
7h 53m
1 stop
SEA10:59 pmSeattle/Tacoma Intl

Frontier flights from Seattle to Sioux Falls

Our best Frontier deals on Seattle to Sioux Falls flight tickets
Frontier
Aug 20
SEA6:41 amSeattle/Tacoma Intl
5h 31m
1 stop
FSD2:12 pmSioux Falls Joe Foss Field
Aug 27
FSD3:07 pmSioux Falls Joe Foss Field
9h 54m
1 stop
SEA11:01 pmSeattle/Tacoma Intl
Frontier
Jul 30
SEA6:25 amSeattle/Tacoma Intl
10h 29m
1 stop
FSD6:54 pmSioux Falls Joe Foss Field
Aug 6
FSD7:48 pmSioux Falls Joe Foss Field
5h 54m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Frontier
Jul 4
SEA6:25 amSeattle/Tacoma Intl
10h 07m
1 stop
FSD6:32 pmSioux Falls Joe Foss Field
Jul 11
FSD7:32 pmSioux Falls Joe Foss Field
7h 02m
1 stop
SEA12:34 amSeattle/Tacoma Intl

See travel insights to Sioux Falls from

How to get the cheapest flight ticket from Seattle to Sioux Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Sioux Falls?

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from Seattle is in January. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in January, then June is your next best option. Flight prices from Seattle to Sioux Falls during June average around $400.

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Saturday when prices can be found for as low as $507. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $643.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the evening. Flights from Seattle to Sioux Falls during this time can be as low as $318. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $703 on average. Flights to Sioux Falls from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Sioux Falls?

You are more likely to see cheaper flights to Sioux Falls from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Sioux Falls for around $489 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sioux Falls from Seattle for as low as $340 on momondo.

How have Seattle to Sioux Falls flight prices changed over time?

As of July 2025, prices for Seattle to Sioux Falls flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Sioux Falls (SEA to FSD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sioux Falls

Best Price Found

$117

Fastest flight time

5h 06m

Direct flights

None

Airports in Sioux Falls

1 airport
The best one-way flight to Sioux Falls from Seattle in the past 72 hours is $117. The best round-trip flight deal from Seattle to Sioux Falls found on momondo in the last 72 hours is $165.
The fastest flight from Seattle to Sioux Falls takes 5h 06m
There are no direct flights from Seattle to Sioux Falls. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Sioux Falls Joe Foss Field Airport.
There is 1 airport near Sioux Falls: Sioux Falls Joe Foss Field (FSD)

  • How far is Seattle/Tacoma Intl to Sioux Falls Joe Foss Field by plane?

    A flight from Seattle/Tacoma Intl to Sioux Falls Joe Foss Field will travel around 1262.9 mi. 5h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Sioux Falls Joe Foss Field Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Sioux Falls Joe Foss Field Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

    The travel and health documents required for your trip to Sioux Falls Joe Foss Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sioux Falls Joe Foss Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Sioux Falls?


Best airlines flying from Seattle to Sioux Falls

Compare and see reviews for airlines that fly from Seattle to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.9
3,284 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Sioux Falls?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Sioux Falls for you.

Can I find flights from Seattle to Sioux Falls with flexible booking policies on momondo?

All flight searches from Seattle to Sioux Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Sioux Falls?

Once all potential Seattle to Sioux Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Sioux Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Sioux Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sioux Falls and let you know when they change.


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1 adult
mar. 7/8
mar. 7/15

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