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Cheap flights from Seattle to Sioux Falls from $129

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 3/27. 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
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.
Frontier Logo
4:20 pm - 7:21 pm
SEA
-
FSD
25h 01m
1 stop
Frontier Logo
8:06 pm - 9:27 am
FSD
-
SEA
15h 21m
1 stop
$191Frontier
jeu., avr. 16 - ven., avr. 24
Frontier Logo
4:20 pm - 7:21 pm
SEA
-
FSD
25h 01m
1 stop
Frontier Logo
8:06 pm - 9:27 am
FSD
-
SEA
15h 21m
1 stop
$193Frontier
jeu., avr. 16 - ven., avr. 24
Frontier Logo
7:12 pm - 7:11 pm
SEA
-
FSD
21h 59m
1 stop
Frontier Logo
8:30 pm - 9:27 am
FSD
-
SEA
14h 57m
1 stop
$246Frontier
dim., mai 3 - lun., mai 11
Multiple Airlines Logo
7:12 pm - 7:11 pm
SEA
-
FSD
21h 59m
1 stop
Multiple Airlines Logo
4:26 pm - 9:27 am
FSD
-
SEA
43h 01m
2 stops
$288Multiple Airlines
dim., mai 3 - mer., mai 13
Multiple Airlines Logo
7:12 pm - 7:11 pm
SEA
-
FSD
21h 59m
1 stop
Multiple Airlines Logo
2:26 pm - 9:27 am
FSD
-
SEA
45h 01m
2 stops
$307Multiple Airlines
dim., mai 3 - mar., mai 12
American Airlines Logo
12:59 am - 12:56 pm
SEA
-
FSD
9h 57m
1 stop
American Airlines Logo
1:41 pm - 9:22 pm
FSD
-
SEA
9h 41m
1 stop
$309American Airlines
jeu., avr. 23 - sam., avr. 25
Frontier Logo
7:12 pm - 7:11 pm
SEA
-
FSD
21h 59m
1 stop
Frontier Logo
8:30 pm - 9:27 am
FSD
-
SEA
14h 57m
1 stop
$311Frontier
dim., mai 3 - ven., mai 15
United Airlines Logo
12:54 pm - 8:30 pm
SEA
-
FSD
5h 36m
1 stop
United Airlines Logo
6:00 am - 2:46 pm
FSD
-
SEA
10h 46m
2 stops
$314United Airlines
mer., avr. 1 - mer., avr. 8
Multiple Airlines Logo
7:12 pm - 7:11 pm
SEA
-
FSD
21h 59m
1 stop
Multiple Airlines Logo
8:53 pm - 9:27 am
FSD
-
SEA
14h 34m
2 stops
$324Multiple Airlines
dim., mai 3 - lun., mai 11
United Airlines Logo
11:35 am - 11:44 pm
SEA
-
FSD
10h 09m
2 stops
United Airlines Logo
6:53 pm - 12:34 am
FSD
-
SEA
7h 41m
1 stop
$334United Airlines
mer., avr. 15 - lun., avr. 20

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Apr 1
SEA12:54 pmSeattle/Tacoma Intl
5h 36m
1 stop
FSD8:30 pmSioux Falls Joe Foss Field
Apr 8
FSD6:00 amSioux Falls Joe Foss Field
10h 46m
2 stops
SEA2:46 pmSeattle/Tacoma Intl
$314
United Airlines
Apr 15
SEA11:35 amSeattle/Tacoma Intl
10h 09m
2 stops
FSD11:44 pmSioux Falls Joe Foss Field
Apr 20
FSD6:53 pmSioux Falls Joe Foss Field
7h 41m
1 stop
SEA12:34 amSeattle/Tacoma Intl
$334
United Airlines
Apr 16
SEA3:48 pmSeattle/Tacoma Intl
5h 56m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
Apr 21
FSD6:00 amSioux Falls Joe Foss Field
10h 46m
2 stops
SEA2:46 pmSeattle/Tacoma Intl
$347

Delta flights from Seattle to Sioux Falls

Our best Delta deals on Seattle to Sioux Falls flight tickets
Delta
May 5
SEA6:00 amSeattle/Tacoma Intl
7h 37m
1 stop
FSD3:37 pmSioux Falls Joe Foss Field
May 10
FSD8:19 amSioux Falls Joe Foss Field
12h 46m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$338
Delta
May 5
SEA6:00 amSeattle/Tacoma Intl
7h 37m
1 stop
FSD3:37 pmSioux Falls Joe Foss Field
May 9
FSD9:15 amSioux Falls Joe Foss Field
11h 50m
2 stops
SEA7:05 pmSeattle/Tacoma Intl
$363
Delta
May 5
SEA6:00 amSeattle/Tacoma Intl
7h 37m
1 stop
FSD3:37 pmSioux Falls Joe Foss Field
May 12
FSD10:56 amSioux Falls Joe Foss Field
13h 59m
2 stops
SEA10:55 pmSeattle/Tacoma Intl
$364

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 mars 10, 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 - FSD

SEAFSD

Seattle/Tacoma Intl

jeu. 4/16

4:20 pm-7:21 pm

1 stop25h 01m

Sioux Falls Joe Foss Field

ven. 4/24

8:06 pm-9:27 am

1 stop15h 21m

$191

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jeu. 4/16

4:20 pm-7:21 pm

1 stop25h 01m

Sioux Falls Joe Foss Field

ven. 4/24

8:06 pm-9:27 am

1 stop15h 21m

$193

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dim. 5/3

7:12 pm-7:11 pm

1 stop21h 59m

Sioux Falls Joe Foss Field

lun. 5/11

8:30 pm-9:27 am

1 stop14h 57m

$246

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dim. 5/3

7:12 pm-7:11 pm

1 stop21h 59m

Sioux Falls Joe Foss Field

mer. 5/13

4:26 pm-9:27 am

2 stops43h 01m

$288

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dim. 5/3

7:12 pm-7:11 pm

1 stop21h 59m

Sioux Falls Joe Foss Field

mar. 5/12

2:26 pm-9:27 am

2 stops45h 01m

$307

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jeu. 4/23

12:59 am-12:56 pm

1 stop9h 57m

Sioux Falls Joe Foss Field

sam. 4/25

1:41 pm-9:22 pm

1 stop9h 41m

$309

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dim. 5/3

7:12 pm-7:11 pm

1 stop21h 59m

Sioux Falls Joe Foss Field

ven. 5/15

8:30 pm-9:27 am

1 stop14h 57m

$311
Quickest round-trip

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mer. 4/1

12:54 pm-8:30 pm

1 stop5h 36m

Sioux Falls Joe Foss Field

mer. 4/8

6:00 am-2:46 pm

2 stops10h 46m

$314

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dim. 5/3

7:12 pm-7:11 pm

1 stop21h 59m

Sioux Falls Joe Foss Field

lun. 5/11

8:53 pm-9:27 am

2 stops14h 34m

$324

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mer. 4/15

11:35 am-11:44 pm

2 stops10h 09m

Sioux Falls Joe Foss Field

lun. 4/20

6:53 pm-12:34 am

1 stop7h 41m

$334

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 $278, 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 $439 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 $312 on momondo.

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

You could potentially save up to 9% 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
3,033 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,276 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,409 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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jeu. 4/9
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