What is the cheapest airline that flies from Seattle/Tacoma Intl to South Dakota?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to South Dakota

What airlines fly to South Dakota?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to South Dakota from Seattle according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to South Dakota?

Prices for flights from Seattle/Tacoma Intl Airport to South Dakota refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to South Dakota?

There are 3 operators available for flights from Seattle/Tacoma Intl Airport to South Dakota as of September 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to South Dakota?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$167 Cheap Flights from Seattle to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:09 pm - 10:56 amSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

36h 47m2 stops Los Angeles Las Vegas Harry Reid Intl

1:41 pm - 10:59 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

23h 18m1 stop Las Vegas Harry Reid Intl

$324Multiple Airlines

Tue, Oct 27 - Mon, Nov 2

12:25 am - 9:54 amSEA Seattle/Tacoma Intl-RAP Rapid City

8h 29m1 stop Dallas/Fort Worth

6:00 am - 2:46 pmRAP Rapid City-SEA Seattle/Tacoma Intl

9h 46m1 stop Dallas/Fort Worth

$329American Airlines

Fri, Oct 23 - Wed, Oct 28

12:47 pm - 9:27 pmSEA Seattle/Tacoma Intl-RAP Rapid City

7h 40m1 stop Dallas/Fort Worth

6:11 am - 1:15 pmRAP Rapid City-SEA Seattle/Tacoma Intl

8h 04m1 stop Dallas/Fort Worth

$329American Airlines

Wed, Nov 11 - Sat, Nov 14

7:30 am - 4:25 pmSEA Seattle/Tacoma Intl-RAP Rapid City

7h 55m1 stop Dallas/Fort Worth

5:04 pm - 12:10 amRAP Rapid City-SEA Seattle/Tacoma Intl

8h 06m1 stop Dallas/Fort Worth

$329American Airlines

Wed, Oct 21 - Sat, Oct 24

5:05 am - 12:35 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

5h 30m1 stop Denver Intl

5:06 pm - 9:19 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

6h 13m1 stop Denver Intl

$339United Airlines

Wed, Nov 4 - Sat, Nov 14

1:56 pm - 11:11 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 15m1 stop Chicago O'Hare Intl

5:55 am - 12:20 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 25m2 stops Denver Intl San Francisco

$344United Airlines

Tue, Oct 20 - Tue, Oct 27

12:14 pm - 10:56 amSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

20h 42m1 stop Las Vegas Harry Reid Intl

1:41 pm - 10:59 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

23h 18m1 stop Las Vegas Harry Reid Intl

$359Multiple Airlines

Wed, Oct 28 - Mon, Nov 2

12:14 pm - 11:38 amSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

21h 24m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

1:41 pm - 10:59 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

23h 18m1 stop Las Vegas Harry Reid Intl

$384Multiple Airlines

Wed, Oct 28 - Mon, Nov 2

2:30 pm - 10:51 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

6h 21m1 stop Minneapolis St Paul

5:00 pm - 11:59 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 59m1 stop Minneapolis St Paul

$469Delta

Fri, Oct 2 - Fri, Oct 9

11:59 pm - 10:02 amSEA Seattle/Tacoma Intl-RAP Rapid City

9h 03m1 stop Minneapolis St Paul

2:30 pm - 8:36 pmRAP Rapid City-SEA Seattle/Tacoma Intl

7h 06m1 stop Minneapolis St Paul

$489Delta

Fri, Sep 25 - Wed, Sep 30

Cheap last minute flights

Enter your travel dates to find the best prices.

10:17 am - 8:45 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

8h 28m1 stop Dallas/Fort Worth

2:10 pm - 8:29 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 19m1 stop Phoenix Sky Harbor Intl

$444American Airlines

Sat, Sep 12 - Sat, Sep 19

1:57 pm - 11:12 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 15m1 stop Chicago O'Hare Intl

6:50 pm - 11:04 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

6h 14m1 stop Denver Intl

$464United Airlines

Sat, Sep 12 - Fri, Sep 18

1:57 pm - 11:12 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 15m1 stop Chicago O'Hare Intl

9:35 am - 4:14 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 39m2 stops Denver Intl San Francisco

$469United Airlines

Sat, Sep 12 - Sat, Sep 19

1:16 pm - 11:42 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

8h 26m2 stops San Francisco Denver Intl

9:35 am - 4:14 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 39m2 stops Denver Intl San Francisco

$474United Airlines

Sat, Sep 12 - Sat, Sep 19

2:19 pm - 11:53 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 34m1 stop Phoenix Sky Harbor Intl

2:10 pm - 8:29 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 19m1 stop Phoenix Sky Harbor Intl

$509American Airlines

Fri, Sep 11 - Sat, Sep 12

9:45 pm - 8:07 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

44h 22m2 stops Las Vegas Harry Reid Intl Denver Intl

8:52 pm - 3:08 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

20h 16m1 stop Denver Intl

$527Frontier

Sat, Sep 12 - Fri, Sep 18

1:57 pm - 11:12 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 15m1 stop Chicago O'Hare Intl

9:35 am - 4:14 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 39m2 stops Denver Intl San Francisco

$530United Airlines

Fri, Sep 11 - Sat, Sep 12

6:32 am - 5:06 pmSEA Seattle/Tacoma Intl-RAP Rapid City

9h 34m2 stops Los Angeles Denver Intl

7:00 am - 11:57 amRAP Rapid City-SEA Seattle/Tacoma Intl

5h 57m1 stop Denver Intl

$555United Airlines

Wed, Sep 9 - Sun, Sep 13

9:00 am - 10:33 pmSEA Seattle/Tacoma Intl-RAP Rapid City

12h 33m2 stops San Francisco Denver Intl

7:00 am - 3:45 pmRAP Rapid City-SEA Seattle/Tacoma Intl

9h 45m2 stops Denver Intl Los Angeles

$560United Airlines

Wed, Sep 9 - Sun, Sep 13

9:45 pm - 8:07 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

20h 22m2 stops Las Vegas Harry Reid Intl Denver Intl

10:02 pm - 9:42 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

13h 40m1 stop Las Vegas Harry Reid Intl

$667Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

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American Airlines flights from Seattle to South Dakota

Our best American Airlines deals on Seattle to South Dakota flight tickets

American Airlines

Oct 16

SEA12:25 amSeattle/Tacoma Intl

9h 48m

1 stop

FSD12:13 pmSioux Falls Joe Foss Field

Oct 20

FSD6:20 amSioux Falls Joe Foss Field

10h 32m

1 stop

SEA2:52 pmSeattle/Tacoma Intl

$389

American Airlines

Sep 22

SEA5:30 amSeattle/Tacoma Intl

9h 50m

1 stop

FSD5:20 pmSioux Falls Joe Foss Field

Sep 26

FSD2:10 pmSioux Falls Joe Foss Field

8h 19m

1 stop

SEA8:29 pmSeattle/Tacoma Intl

$409

American Airlines

Oct 28

SEA10:26 amSeattle/Tacoma Intl

7h 25m

1 stop

FSD7:51 pmSioux Falls Joe Foss Field

Nov 2

FSD5:58 pmSioux Falls Joe Foss Field

7h 44m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

$442

United Airlines flights from Seattle to South Dakota

Our best United Airlines deals on Seattle to South Dakota flight tickets

United Airlines

Nov 4

SEA5:05 amSeattle/Tacoma Intl

5h 30m

1 stop

FSD12:35 pmSioux Falls Joe Foss Field

Nov 14

FSD5:06 pmSioux Falls Joe Foss Field

6h 13m

1 stop

SEA9:19 pmSeattle/Tacoma Intl

$339

United Airlines

Oct 20

SEA1:56 pmSeattle/Tacoma Intl

7h 15m

1 stop

FSD11:11 pmSioux Falls Joe Foss Field

Oct 27

FSD5:55 amSioux Falls Joe Foss Field

8h 25m

2 stops

SEA12:20 pmSeattle/Tacoma Intl

$344

United Airlines

Oct 24

SEA12:16 pmSeattle/Tacoma Intl

9h 14m

2 stops

RAP10:30 pmRapid City

Oct 28

RAP5:15 amRapid City

5h 32m

1 stop

SEA9:47 amSeattle/Tacoma Intl

$354

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Tue 10/27

8:09 pm-10:56 am

2 stops36h 47m

Sioux Falls Joe Foss Field

Mon 11/2

1:41 pm-10:59 am

1 stop23h 18m

$324

SeattleRapid City

SEA Seattle/Tacoma Intl - RAP Rapid City

SEARAP

Seattle/Tacoma Intl

Fri 10/23

12:25 am-9:54 am

1 stop8h 29m

Rapid City

Wed 10/28

6:00 am-2:46 pm

1 stop9h 46m

$329

SeattleRapid City

SEA Seattle/Tacoma Intl - RAP Rapid City

SEARAP

Seattle/Tacoma Intl

Wed 11/11

12:47 pm-9:27 pm

1 stop7h 40m

Rapid City

Sat 11/14

6:11 am-1:15 pm

1 stop8h 04m

$329

SeattleRapid City

SEA Seattle/Tacoma Intl - RAP Rapid City

SEARAP

Seattle/Tacoma Intl

Wed 10/21

7:30 am-4:25 pm

1 stop7h 55m

Rapid City

Sat 10/24

5:04 pm-12:10 am

1 stop8h 06m

$329

Quickest round-trip

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Wed 11/4

5:05 am-12:35 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Sat 11/14

5:06 pm-9:19 pm

1 stop6h 13m

$339

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Tue 10/20

1:56 pm-11:11 pm

1 stop7h 15m

Sioux Falls Joe Foss Field

Tue 10/27

5:55 am-12:20 pm

2 stops8h 25m

$344

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Wed 10/28

12:14 pm-10:56 am

1 stop20h 42m

Sioux Falls Joe Foss Field

Mon 11/2

1:41 pm-10:59 am

1 stop23h 18m

$359

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Wed 10/28

12:14 pm-11:38 am

2 stops21h 24m

Sioux Falls Joe Foss Field

Mon 11/2

1:41 pm-10:59 am

1 stop23h 18m

$384

SeattleSioux Falls

SEA Seattle/Tacoma Intl - FSD Sioux Falls Joe Foss Field

SEAFSD

Seattle/Tacoma Intl

Fri 10/2

2:30 pm-10:51 pm

1 stop6h 21m

Sioux Falls Joe Foss Field

Fri 10/9

5:00 pm-11:59 pm

1 stop8h 59m

$469

SeattleRapid City

SEA Seattle/Tacoma Intl - RAP Rapid City

SEARAP

Seattle/Tacoma Intl

Fri 9/25

11:59 pm-10:02 am

1 stop9h 03m

Rapid City

Wed 9/30

2:30 pm-8:36 pm

1 stop7h 06m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to South Dakota

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

Prices

Airlines

What is the cheapest month to fly to South Dakota?

The month of November is, on average, the cheapest month to fly to South Dakota from Seattle, with most prices found around $336. If you aren’t able to travel to South Dakota during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $396.

Can stopping save me money on Seattle to South Dakota flights?

You could potentially save up to 45% on your flight if you consider stops on a Seattle to South Dakota flight.

Cheap Seattle to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to South Dakota

Best Price Found	$167
Fastest flight time	5h 06m
Direct flights	None

The best one-way flight to South Dakota from Seattle in the past 72 hours is $167. The best round-trip flight deal from Seattle to South Dakota found on momondo in the last 72 hours is $324.

The fastest flight from Seattle to South Dakota takes 5h 06m

There are no direct flights from Seattle to South Dakota. There are no popular flight routes from Seattle to South Dakota.

Search flight deals

Frequently asked questions about flying from Seattle to South Dakota

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to South Dakota?
Prices for flights from Seattle/Tacoma Intl Airport to South Dakota refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to South Dakota?
There are 3 operators available for flights from Seattle/Tacoma Intl Airport to South Dakota as of September 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to South Dakota?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The necessary travel and health documents for your South Dakota trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to South Dakota

Compare and see reviews for airlines that fly from Seattle to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $190	Free Cancellation	Rating 7.8 8,550 reviews	Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 12,039 reviews	Search American Airlines flights
United Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 10,185 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to South Dakota?

It is quick and easy to find Seattle to South Dakota flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Dakota that suits you.

Can I find flights from Seattle to South Dakota with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to South Dakota flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to South Dakota?

Once you have performed a search for Seattle to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to South Dakota from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.