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Cheap flights from Seattle to Sioux Falls from $164

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 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:31 am - 12:23 pmSEA-FSD
9h 52m1 stop
American Airlines Logo
1:09 pm - 6:55 pmFSD-SEA
7h 46m1 stop
$269American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Multiple Airlines Logo
7:48 pm - 7:41 pmSEA-FSD
21h 53m1 stop
Multiple Airlines Logo
12:40 pm - 10:11 amFSD-SEA
23h 31m1 stop
$321Multiple Airlines
Find Deal
Fri, Dec 19 - Sun, Jan 4
American Airlines Logo
2:55 pm - 11:31 pmSEA-FSD
6h 36m1 stop
American Airlines Logo
1:09 pm - 6:55 pmFSD-SEA
7h 46m1 stop
$339American Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
9:53 pm - 7:36 pmSEA-FSD
43h 43m2 stops
Multiple Airlines Logo
1:40 pm - 10:06 amFSD-SEA
22h 26m1 stop
$358Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
8:40 am - 9:51 pmSEA-FSD
11h 11m2 stops
United Airlines Logo
9:00 am - 10:09 amFSD-SEA
27h 09m1 stop
$397United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
United Airlines Logo
5:02 am - 12:50 pmSEA-FSD
5h 48m1 stop
United Airlines Logo
6:00 am - 9:56 amFSD-SEA
5h 56m1 stop
$419United Airlines
Find Deal
Tue, Dec 23 - Fri, Jan 2
Delta Logo
11:59 pm - 10:20 amSEA-FSD
8h 21m1 stop
Delta Logo
1:25 pm - 11:31 pmFSD-SEA
12h 06m1 stop
$427Delta
Find Deal
Mon, Dec 15 - Sun, Jan 4
Multiple Airlines Logo
1:25 pm - 7:55 pmSEA-FSD
28h 30m1 stop
Multiple Airlines Logo
10:40 pm - 11:31 amFSD-SEA
14h 51m1 stop
$429Multiple Airlines
Find Deal
Thu, Dec 18 - Fri, Jan 2
Multiple Airlines Logo
7:48 pm - 11:26 amSEA-FSD
13h 38m1 stop
Multiple Airlines Logo
10:40 pm - 1:54 pmFSD-SEA
17h 14m2 stops
$434Multiple Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 2
American Airlines Logo
12:59 am - 10:27 amSEA-FSD
7h 28m1 stop
American Airlines Logo
1:09 pm - 6:55 pmFSD-SEA
7h 46m1 stop
$446American Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3

American Airlines flights from Seattle to Sioux Falls

Our best American Airlines deals on Seattle to Sioux Falls flight tickets
American Airlines
Dec 5
SEA12:31 amSeattle/Tacoma Intl
9h 52m
1 stop
FSD12:23 pmSioux Falls Joe Foss Field
Dec 8
FSD1:09 pmSioux Falls Joe Foss Field
7h 46m
1 stop
SEA6:55 pmSeattle/Tacoma Intl
$269
Find similar
American Airlines
Nov 26
SEA2:55 pmSeattle/Tacoma Intl
6h 36m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
Dec 3
FSD1:09 pmSioux Falls Joe Foss Field
7h 46m
1 stop
SEA6:55 pmSeattle/Tacoma Intl
$339
Find similar
American Airlines
Apr 24
SEA1:33 amSeattle/Tacoma Intl
8h 46m
1 stop
FSD12:19 pmSioux Falls Joe Foss Field
Apr 28
FSD5:38 pmSioux Falls Joe Foss Field
9h 14m
1 stop
SEA12:52 amSeattle/Tacoma Intl
$409
Find similar

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Apr 25
SEA3:44 pmSeattle/Tacoma Intl
5h 59m
1 stop
FSD11:43 pmSioux Falls Joe Foss Field
Apr 28
FSD1:38 pmSioux Falls Joe Foss Field
11h 58m
2 stops
SEA11:36 pmSeattle/Tacoma Intl
$354
Find similar
United Airlines
Dec 6
SEA12:35 pmSeattle/Tacoma Intl
5h 46m
1 stop
FSD8:21 pmSioux Falls Joe Foss Field
Dec 8
FSD6:00 amSioux Falls Joe Foss Field
11h 29m
2 stops
SEA3:29 pmSeattle/Tacoma Intl
$389
Find similar
United Airlines
Dec 6
SEA9:25 amSeattle/Tacoma Intl
12h 18m
2 stops
FSD11:43 pmSioux Falls Joe Foss Field
Dec 8
FSD6:00 amSioux Falls Joe Foss Field
11h 29m
2 stops
SEA3:29 pmSeattle/Tacoma Intl
$394
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Seattle to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 12/5

12:31 am-12:23 pm

1 stop9h 52m

Sioux Falls Joe Foss Field

Mon 12/8

1:09 pm-6:55 pm

1 stop7h 46m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 12/19

7:48 pm-7:41 pm

1 stop21h 53m

Sioux Falls Joe Foss Field

Sun 1/4

12:40 pm-10:11 am

1 stop23h 31m

$321

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 11/26

2:55 pm-11:31 pm

1 stop6h 36m

Sioux Falls Joe Foss Field

Wed 12/3

1:09 pm-6:55 pm

1 stop7h 46m

$339

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 11/26

9:53 pm-7:36 pm

2 stops43h 43m

Sioux Falls Joe Foss Field

Wed 12/3

1:40 pm-10:06 am

1 stop22h 26m

$358

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 12/6

8:40 am-9:51 pm

2 stops11h 11m

Sioux Falls Joe Foss Field

Mon 12/8

9:00 am-10:09 am

1 stop27h 09m

$397

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 12/23

5:02 am-12:50 pm

1 stop5h 48m

Sioux Falls Joe Foss Field

Fri 1/2

6:00 am-9:56 am

1 stop5h 56m

$419

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Mon 12/15

11:59 pm-10:20 am

1 stop8h 21m

Sioux Falls Joe Foss Field

Sun 1/4

1:25 pm-11:31 pm

1 stop12h 06m

$427

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 12/18

1:25 pm-7:55 pm

1 stop28h 30m

Sioux Falls Joe Foss Field

Fri 1/2

10:40 pm-11:31 am

1 stop14h 51m

$429

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 12/19

7:48 pm-11:26 am

1 stop13h 38m

Sioux Falls Joe Foss Field

Fri 1/2

10:40 pm-1:54 pm

2 stops17h 14m

$434

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 11/25

12:59 am-10:27 am

1 stop7h 28m

Sioux Falls Joe Foss Field

Wed 12/3

1:09 pm-6:55 pm

1 stop7h 46m

$446

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from Seattle is in October. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in October, then November is your next best option. Flight prices from Seattle to Sioux Falls during November average around $317.

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 $432 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 $331 on momondo.

Can stopping save me money on Seattle to Sioux Falls flights?

You could potentially save up to 66% on your flight if you consider stops on a Seattle to Sioux Falls flight.

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

As of November 2025, prices for Seattle to Sioux Falls flights are approximately 40% 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

Direct flights

None
There are no direct flights from Seattle to Sioux Falls. There are no popular flight routes from Seattle to Sioux Falls.
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  • 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 23m 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 $188Free CancellationRating
5.8
3,109 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,017 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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