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Cheap flights from Seattle to Sioux Falls from $127

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 8/27. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:07 pm - 8:01 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
22h 54m1 stop Denver Intl
Frontier Logo
8:52 pm - 3:08 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
20h 16m1 stop Denver Intl
$240Frontier
Thu, Sep 3 - Fri, Sep 11
Frontier Logo
2:37 pm - 8:01 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
27h 24m1 stop Denver Intl
Frontier Logo
8:56 pm - 9:19 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
14h 23m1 stop Denver Intl
$250Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
7:41 pm - 7:53 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
22h 12m1 stop Denver Intl
Frontier Logo
8:48 pm - 9:51 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
15h 03m1 stop Denver Intl
$250Frontier
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
3:55 pm - 11:44 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 49m1 stop Denver Intl
United Airlines Logo
7:50 am - 4:05 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
10h 15m1 stop Chicago O'Hare Intl
$339United Airlines
Fri, Oct 2 - Sat, Oct 10
United Airlines Logo
3:54 pm - 11:44 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 50m1 stop Denver Intl
United Airlines Logo
11:12 am - 7:14 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
10h 02m1 stop Chicago O'Hare Intl
$339United Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
2:47 pm - 11:48 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 01m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
2:12 pm - 8:10 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 58m1 stop Phoenix Sky Harbor Intl
$339American Airlines
Wed, Sep 2 - Sat, Sep 5
American Airlines Logo
3:00 pm - 11:49 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
6h 49m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:00 am - 1:51 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 51m1 stop Phoenix Sky Harbor Intl
$339American Airlines
Fri, Nov 13 - Sat, Nov 14
Delta Logo
1:45 pm - 9:13 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
5h 28m1 stop Minneapolis St Paul
Delta Logo
4:09 pm - 8:27 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
6h 18m1 stop Minneapolis St Paul
$339Delta
Thu, Jan 14 - Sat, Jan 16
Delta Logo
1:42 pm - 11:22 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 40m1 stop Minneapolis St Paul
Delta Logo
5:00 pm - 8:46 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
5h 46m1 stop Minneapolis St Paul
$359Delta
Wed, Nov 4 - Sat, Nov 21
Delta Logo
1:42 pm - 11:22 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
7h 40m1 stop Minneapolis St Paul
Delta Logo
11:00 am - 5:00 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 00m1 stop Minneapolis St Paul
$359Delta
Wed, Nov 4 - Tue, Nov 17

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United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Sep 2
SEA8:40 amSeattle/Tacoma Intl
7h 35m
1 stop
FSD6:15 pmSioux Falls Joe Foss Field
Sep 9
FSD9:35 amSioux Falls Joe Foss Field
8h 17m
1 stop
SEA3:52 pmSeattle/Tacoma Intl
$339
United Airlines
Sep 2
SEA12:44 pmSeattle/Tacoma Intl
5h 23m
1 stop
FSD8:07 pmSioux Falls Joe Foss Field
Sep 5
FSD9:35 amSioux Falls Joe Foss Field
10h 54m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$344
United Airlines
Oct 6
SEA1:56 pmSeattle/Tacoma Intl
7h 15m
1 stop
FSD11:11 pmSioux Falls Joe Foss Field
Oct 11
FSD6:00 amSioux Falls Joe Foss Field
6h 01m
1 stop
SEA10:01 amSeattle/Tacoma Intl
$358

Frontier flights from Seattle to Sioux Falls

Our best Frontier deals on Seattle to Sioux Falls flight tickets
Frontier
Sep 3
SEA7:07 pmSeattle/Tacoma Intl
22h 54m
1 stop
FSD8:01 pmSioux Falls Joe Foss Field
Sep 11
FSD8:52 pmSioux Falls Joe Foss Field
20h 16m
1 stop
SEA3:08 pmSeattle/Tacoma Intl
$240
Frontier
Oct 29
SEA7:41 pmSeattle/Tacoma Intl
22h 12m
1 stop
FSD7:53 pmSioux Falls Joe Foss Field
Nov 2
FSD8:48 pmSioux Falls Joe Foss Field
15h 03m
1 stop
SEA9:51 amSeattle/Tacoma Intl
$250
Frontier
Aug 20
SEA2:37 pmSeattle/Tacoma Intl
27h 24m
1 stop
FSD8:01 pmSioux Falls Joe Foss Field
Aug 24
FSD8:56 pmSioux Falls Joe Foss Field
14h 23m
1 stop
SEA9:19 amSeattle/Tacoma Intl
$280

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 August 7, 2026.
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

Cheapest round-trip

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Thu 9/3

7:07 pm-8:01 pm

1 stop22h 54m

Sioux Falls Joe Foss Field

Fri 9/11

8:52 pm-3:08 pm

1 stop20h 16m

$240

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Thu 8/27

2:37 pm-8:01 pm

1 stop27h 24m

Sioux Falls Joe Foss Field

Mon 8/31

8:56 pm-9:19 am

1 stop14h 23m

$250

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Thu 10/29

7:41 pm-7:53 pm

1 stop22h 12m

Sioux Falls Joe Foss Field

Mon 11/2

8:48 pm-9:51 am

1 stop15h 03m

$250

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-11:44 pm

1 stop5h 49m

Sioux Falls Joe Foss Field

Sat 10/10

7:50 am-4:05 pm

1 stop10h 15m

$339

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Sat 9/5

3:54 pm-11:44 pm

1 stop5h 50m

Sioux Falls Joe Foss Field

Sat 9/12

11:12 am-7:14 pm

1 stop10h 02m

$339

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Wed 9/2

2:47 pm-11:48 pm

1 stop7h 01m

Sioux Falls Joe Foss Field

Sat 9/5

2:12 pm-8:10 pm

1 stop7h 58m

$339

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Fri 11/13

3:00 pm-11:49 pm

1 stop6h 49m

Sioux Falls Joe Foss Field

Sat 11/14

8:00 am-1:51 pm

1 stop7h 51m

$339
Quickest round-trip

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Thu 1/14

1:45 pm-9:13 pm

1 stop5h 28m

Sioux Falls Joe Foss Field

Sat 1/16

4:09 pm-8:27 pm

1 stop6h 18m

$339

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Wed 11/4

1:42 pm-11:22 pm

1 stop7h 40m

Sioux Falls Joe Foss Field

Sat 11/21

5:00 pm-8:46 pm

1 stop5h 46m

$359

SeattleSioux Falls

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

SEAFSD

Seattle/Tacoma Intl

Wed 11/4

1:42 pm-11:22 pm

1 stop7h 40m

Sioux Falls Joe Foss Field

Tue 11/17

11:00 am-5:00 pm

1 stop8h 00m

$359

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

Prices are currently low for flights on this route.

Typical prices usually range from $421 to $618.
The lowest price recently found on this route was $240.

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from Seattle is in November. Flight prices, which tend to average around $286, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in November, then March is your next best option. Flight prices from Seattle to Sioux Falls during March average around $313.

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

You could potentially save up to 41% 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?

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

Fastest flight time

5h 33m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 5h 33m
There are no direct flights from Seattle to Sioux Falls. There are no popular flight routes from Seattle to Sioux Falls.
Search flight deals

Frequently asked questions about flying from Seattle to Sioux Falls

  • 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 33m 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
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,875 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
10,081 reviews
Search United Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,499 reviews
Search Delta 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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