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Cheap flights from Seattle to Sioux Falls from $289

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Sioux Falls departing on 3/17. 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

Enter your travel dates to find the best prices.
American Airlines Logo
12:07 am - 11:38 am
SEA
-
FSD
9h 31m
1 stop
American Airlines Logo
5:21 pm - 11:09 pm
FSD
-
SEA
7h 48m
1 stop
$289American Airlines
Tue, Mar 17 - Wed, Mar 25
American Airlines Logo
12:59 am - 12:41 pm
SEA
-
FSD
9h 42m
1 stop
American Airlines Logo
5:21 pm - 12:55 am
FSD
-
SEA
9h 34m
1 stop
$314American Airlines
Tue, Mar 10 - Wed, Mar 18
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Frontier Logo
2:16 pm - 7:59 pm
FSD
-
SEA
31h 43m
2 stops
$360Frontier
Thu, Feb 12 - Sun, Feb 22
United Airlines Logo
10:55 am - 10:02 pm
SEA
-
FSD
9h 07m
1 stop
United Airlines Logo
9:00 am - 6:40 pm
FSD
-
SEA
11h 40m
2 stops
$374United Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
12:59 am - 1:01 pm
SEA
-
FSD
10h 02m
1 stop
American Airlines Logo
7:44 pm - 9:54 am
FSD
-
SEA
16h 10m
1 stop
$376American Airlines
Mon, May 4 - Mon, May 11
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Frontier Logo
2:16 pm - 11:19 am
FSD
-
SEA
23h 03m
1 stop
$379Frontier
Thu, Feb 12 - Sun, Feb 22
American Airlines Logo
7:00 am - 7:14 pm
SEA
-
FSD
10h 14m
1 stop
American Airlines Logo
12:12 pm - 10:26 pm
FSD
-
SEA
12h 14m
1 stop
$385American Airlines
Fri, Apr 24 - Sat, Apr 25
Delta Logo
11:53 pm - 10:46 pm
SEA
-
FSD
20h 53m
1 stop
Delta Logo
5:15 am - 8:50 am
FSD
-
SEA
5h 35m
1 stop
$392Delta
Tue, Jun 23 - Tue, Jun 30
American Airlines Logo
12:59 am - 1:01 pm
SEA
-
FSD
10h 02m
1 stop
American Airlines Logo
3:21 pm - 11:39 pm
FSD
-
SEA
10h 18m
1 stop
$397American Airlines
Tue, Apr 7 - Sat, Apr 11
Delta Logo
6:50 pm - 10:46 pm
SEA
-
FSD
25h 56m
1 stop
Delta Logo
5:15 am - 8:50 am
FSD
-
SEA
5h 35m
1 stop
$417Delta
Tue, Jun 23 - Thu, Jul 2

American Airlines flights from Seattle to Sioux Falls

Our best American Airlines deals on Seattle to Sioux Falls flight tickets
American Airlines
Mar 17
SEA12:07 amSeattle/Tacoma Intl
9h 31m
1 stop
FSD11:38 amSioux Falls Joe Foss Field
Mar 25
FSD5:21 pmSioux Falls Joe Foss Field
7h 48m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
$289
American Airlines
Mar 10
SEA12:07 amSeattle/Tacoma Intl
9h 31m
1 stop
FSD11:38 amSioux Falls Joe Foss Field
Mar 18
FSD5:21 pmSioux Falls Joe Foss Field
9h 34m
1 stop
SEA12:55 amSeattle/Tacoma Intl
$314
American Airlines
May 4
SEA12:59 amSeattle/Tacoma Intl
10h 02m
1 stop
FSD1:01 pmSioux Falls Joe Foss Field
May 11
FSD7:44 pmSioux Falls Joe Foss Field
16h 10m
1 stop
SEA9:54 amSeattle/Tacoma Intl
$376

Delta flights from Seattle to Sioux Falls

Our best Delta deals on Seattle to Sioux Falls flight tickets
Delta
Jun 23
SEA11:53 pmSeattle/Tacoma Intl
20h 53m
1 stop
FSD10:46 pmSioux Falls Joe Foss Field
Jun 30
FSD5:15 amSioux Falls Joe Foss Field
5h 35m
1 stop
SEA8:50 amSeattle/Tacoma Intl
$392
Delta
Jun 23
SEA6:50 pmSeattle/Tacoma Intl
25h 56m
1 stop
FSD10:46 pmSioux Falls Joe Foss Field
Jul 2
FSD5:15 amSioux Falls Joe Foss Field
5h 35m
1 stop
SEA8:50 amSeattle/Tacoma Intl
$417
Delta
Jun 27
SEA6:05 amSeattle/Tacoma Intl
14h 41m
1 stop
FSD10:46 pmSioux Falls Joe Foss Field
Jun 30
FSD5:15 amSioux Falls Joe Foss Field
5h 35m
1 stop
SEA8:50 amSeattle/Tacoma Intl
$477

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 January 24, 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

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 3/17

12:07 am-11:38 am

1 stop9h 31m

Sioux Falls Joe Foss Field

Wed 3/25

5:21 pm-11:09 pm

1 stop7h 48m

$289

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 3/10

12:59 am-12:41 pm

1 stop9h 42m

Sioux Falls Joe Foss Field

Wed 3/18

5:21 pm-12:55 am

1 stop9h 34m

$314

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Sun 2/22

2:16 pm-7:59 pm

2 stops31h 43m

$360

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 3/11

10:55 am-10:02 pm

1 stop9h 07m

Sioux Falls Joe Foss Field

Wed 3/18

9:00 am-6:40 pm

2 stops11h 40m

$374

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Mon 5/4

12:59 am-1:01 pm

1 stop10h 02m

Sioux Falls Joe Foss Field

Mon 5/11

7:44 pm-9:54 am

1 stop16h 10m

$376

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Sun 2/22

2:16 pm-11:19 am

1 stop23h 03m

$379

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 4/24

7:00 am-7:14 pm

1 stop10h 14m

Sioux Falls Joe Foss Field

Sat 4/25

12:12 pm-10:26 pm

1 stop12h 14m

$385

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 6/23

11:53 pm-10:46 pm

1 stop20h 53m

Sioux Falls Joe Foss Field

Tue 6/30

5:15 am-8:50 am

1 stop5h 35m

$392

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 4/7

12:59 am-1:01 pm

1 stop10h 02m

Sioux Falls Joe Foss Field

Sat 4/11

3:21 pm-11:39 pm

1 stop10h 18m

$397

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 6/23

6:50 pm-10:46 pm

1 stop25h 56m

Sioux Falls Joe Foss Field

Thu 7/2

5:15 am-8:50 am

1 stop5h 35m

$417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $286.

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 $425 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 67% 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 54m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 5h 54m
There are no direct flights from Seattle to Sioux Falls. There are no popular flight routes from Seattle to Sioux Falls.
Search flight deals

  • 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 54m 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
5.7
3,058 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,112 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,193 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,193 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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