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Cheap flights from Seattle to Sioux Falls from $150

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 7/21. 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
7:06 pm - 8:01 pm
SEA
-
FSD
22h 55m
1 stop
Frontier Logo
8:56 pm - 9:19 am
FSD
-
SEA
14h 23m
1 stop
$270Frontier
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
8:53 pm - 10:52 am
SEA
-
FSD
11h 59m
1 stop
Multiple Airlines Logo
1:50 pm - 10:39 am
FSD
-
SEA
22h 49m
2 stops
$274Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
$280Frontier
Thu, Jul 23 - Mon, Jul 27
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
$290Frontier
Tue, Jul 21 - Fri, Jul 24
Multiple Airlines Logo
8:53 pm - 10:52 am
SEA
-
FSD
11h 59m
1 stop
Multiple Airlines Logo
8:40 pm - 10:39 am
FSD
-
SEA
39h 59m
2 stops
$305Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
Multiple Airlines Logo
8:53 pm - 10:52 am
SEA
-
FSD
11h 59m
1 stop
Multiple Airlines Logo
11:42 am - 10:39 am
FSD
-
SEA
24h 57m
1 stop
$326Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
American Airlines Logo
2:47 pm - 11:48 pm
SEA
-
FSD
7h 01m
1 stop
American Airlines Logo
7:30 am - 2:56 pm
FSD
-
SEA
9h 26m
1 stop
$329American Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
8:53 pm - 9:10 pm
SEA
-
FSD
22h 17m
1 stop
Multiple Airlines Logo
10:00 pm - 10:39 am
FSD
-
SEA
14h 39m
1 stop
$332Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
Multiple Airlines Logo
8:53 pm - 9:38 am
SEA
-
FSD
34h 45m
2 stops
Multiple Airlines Logo
10:00 pm - 10:39 am
FSD
-
SEA
14h 39m
1 stop
$346Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
$368Frontier
Tue, Jul 21 - Fri, Jul 24

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Frontier flights from Seattle to Sioux Falls

Our best Frontier deals on Seattle to Sioux Falls flight tickets
Frontier
Aug 27
SEA7:06 pmSeattle/Tacoma Intl
22h 55m
1 stop
FSD8:01 pmSioux Falls Joe Foss Field
Aug 31
FSD8:56 pmSioux Falls Joe Foss Field
14h 23m
1 stop
SEA9:19 amSeattle/Tacoma Intl
$270
Frontier
Jul 23
SEA7:06 pmSeattle/Tacoma Intl
22h 17m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
Jul 27
FSD8:08 pmSioux Falls Joe Foss Field
15h 09m
1 stop
SEA9:17 amSeattle/Tacoma Intl
$280
Frontier
Jul 21
SEA7:06 pmSeattle/Tacoma Intl
22h 17m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
Jul 24
FSD8:08 pmSioux Falls Joe Foss Field
15h 09m
1 stop
SEA9:17 amSeattle/Tacoma Intl
$290

American Airlines flights from Seattle to Sioux Falls

Our best American Airlines deals on Seattle to Sioux Falls flight tickets
American Airlines
Aug 19
SEA2:47 pmSeattle/Tacoma Intl
7h 01m
1 stop
FSD11:48 pmSioux Falls Joe Foss Field
Aug 26
FSD7:30 amSioux Falls Joe Foss Field
9h 26m
1 stop
SEA2:56 pmSeattle/Tacoma Intl
$329
American Airlines
Aug 8
SEA3:08 pmSeattle/Tacoma Intl
6h 40m
1 stop
FSD11:48 pmSioux Falls Joe Foss Field
Aug 15
FSD12:57 pmSioux Falls Joe Foss Field
9h 00m
1 stop
SEA7:57 pmSeattle/Tacoma Intl
$468
American Airlines
Aug 8
SEA3:08 pmSeattle/Tacoma Intl
6h 40m
1 stop
FSD11:48 pmSioux Falls Joe Foss Field
Aug 15
FSD12:57 pmSioux Falls Joe Foss Field
9h 00m
1 stop
SEA7:57 pmSeattle/Tacoma Intl
$518

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 July 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 - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 8/27

7:06 pm-8:01 pm

1 stop22h 55m

Sioux Falls Joe Foss Field

Mon 8/31

8:56 pm-9:19 am

1 stop14h 23m

$270

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 8/13

8:53 pm-10:52 am

1 stop11h 59m

Sioux Falls Joe Foss Field

Wed 8/19

1:50 pm-10:39 am

2 stops22h 49m

$274

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 7/23

7:06 pm-7:23 pm

1 stop22h 17m

Sioux Falls Joe Foss Field

Mon 7/27

8:08 pm-9:17 am

1 stop15h 09m

$280

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 7/21

7:06 pm-7:23 pm

1 stop22h 17m

Sioux Falls Joe Foss Field

Fri 7/24

8:08 pm-9:17 am

1 stop15h 09m

$290

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 8/9

8:53 pm-10:52 am

1 stop11h 59m

Sioux Falls Joe Foss Field

Mon 8/17

8:40 pm-10:39 am

2 stops39h 59m

$305

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 8/9

8:53 pm-10:52 am

1 stop11h 59m

Sioux Falls Joe Foss Field

Mon 8/17

11:42 am-10:39 am

1 stop24h 57m

$326
Quickest round-trip

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 8/19

2:47 pm-11:48 pm

1 stop7h 01m

Sioux Falls Joe Foss Field

Wed 8/26

7:30 am-2:56 pm

1 stop9h 26m

$329

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 8/19

8:53 pm-9:10 pm

1 stop22h 17m

Sioux Falls Joe Foss Field

Sun 8/30

10:00 pm-10:39 am

1 stop14h 39m

$332

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 8/19

8:53 pm-9:38 am

2 stops34h 45m

Sioux Falls Joe Foss Field

Sun 8/30

10:00 pm-10:39 am

1 stop14h 39m

$346

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 7/21

7:06 pm-7:23 pm

1 stop22h 17m

Sioux Falls Joe Foss Field

Fri 7/24

8:08 pm-9:17 am

1 stop15h 09m

$368

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?

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.

How far in advance should I book a flight from Seattle 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 $467 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 $365 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

7h 36m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 7h 36m
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. 7h 36m 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
11,782 reviews
Search American Airlines flights
DeltaPriceFrom $278Free CancellationRating
7.8
8,450 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,944 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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