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Cheap flights from Seattle to Sioux Falls from $117

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 7/7. 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
7:41 pm - 7:19 pm
SEA
-
FSD
21h 38m
1 stop
Frontier Logo
8:14 pm - 2:18 pm
FSD
-
SEA
20h 04m
1 stop
$300Frontier
Tue, Jun 16 - Fri, Jun 19
Frontier Logo
7:41 pm - 7:19 pm
SEA
-
FSD
21h 38m
1 stop
Frontier Logo
8:14 pm - 9:48 am
FSD
-
SEA
15h 34m
1 stop
$318Frontier
Thu, Jun 18 - Mon, Jun 22
Frontier Logo
7:41 pm - 7:19 pm
SEA
-
FSD
21h 38m
1 stop
Frontier Logo
8:14 pm - 9:48 am
FSD
-
SEA
15h 34m
1 stop
$320Frontier
Tue, Jun 16 - Fri, Jun 19
Delta Logo
9:05 am - 7:06 pm
SEA
-
FSD
8h 01m
1 stop
Delta Logo
5:15 am - 10:45 am
FSD
-
SEA
7h 30m
1 stop
$329Delta
Fri, Sep 11 - Sun, Sep 13
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
$339Frontier
Thu, Jul 9 - Mon, Jul 13
United Airlines Logo
1:57 pm - 10:52 pm
SEA
-
FSD
6h 55m
1 stop
United Airlines Logo
6:00 am - 11:44 am
FSD
-
SEA
7h 44m
1 stop
$357United Airlines
Fri, Sep 18 - Tue, Sep 22
Multiple Airlines Logo
8:13 pm - 9:10 pm
SEA
-
FSD
22h 57m
1 stop
Multiple Airlines Logo
10:00 pm - 9:48 am
FSD
-
SEA
13h 48m
2 stops
$389Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
Frontier Logo
3:33 pm - 7:19 pm
SEA
-
FSD
25h 46m
1 stop
Frontier Logo
8:14 pm - 9:48 am
FSD
-
SEA
15h 34m
1 stop
$390Frontier
Tue, Jun 9 - Fri, Jun 12
Multiple Airlines Logo
8:13 pm - 2:46 pm
SEA
-
FSD
16h 33m
1 stop
Multiple Airlines Logo
11:46 am - 7:38 pm
FSD
-
SEA
9h 52m
2 stops
$391Multiple Airlines
Tue, Jul 14 - Fri, Jul 17
United Airlines Logo
1:57 pm - 11:22 pm
SEA
-
FSD
7h 25m
1 stop
United Airlines Logo
5:05 pm - 9:31 pm
FSD
-
SEA
6h 26m
1 stop
$406United Airlines
Tue, Aug 11 - Sat, Aug 15

Frontier flights from Seattle to Sioux Falls

Our best Frontier deals on Seattle to Sioux Falls flight tickets
Frontier
Jun 16
SEA7:41 pmSeattle/Tacoma Intl
21h 38m
1 stop
FSD7:19 pmSioux Falls Joe Foss Field
Jun 19
FSD8:14 pmSioux Falls Joe Foss Field
20h 04m
1 stop
SEA2:18 pmSeattle/Tacoma Intl
$300
Frontier
Jun 18
SEA7:41 pmSeattle/Tacoma Intl
21h 38m
1 stop
FSD7:19 pmSioux Falls Joe Foss Field
Jun 22
FSD8:14 pmSioux Falls Joe Foss Field
15h 34m
1 stop
SEA9:48 amSeattle/Tacoma Intl
$318
Frontier
Jun 16
SEA7:41 pmSeattle/Tacoma Intl
21h 38m
1 stop
FSD7:19 pmSioux Falls Joe Foss Field
Jun 19
FSD8:14 pmSioux Falls Joe Foss Field
15h 34m
1 stop
SEA9:48 amSeattle/Tacoma Intl
$320

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Sep 18
SEA1:57 pmSeattle/Tacoma Intl
6h 55m
1 stop
FSD10:52 pmSioux Falls Joe Foss Field
Sep 22
FSD6:00 amSioux Falls Joe Foss Field
7h 44m
1 stop
SEA11:44 amSeattle/Tacoma Intl
$357
United Airlines
Aug 12
SEA1:57 pmSeattle/Tacoma Intl
7h 25m
1 stop
FSD11:22 pmSioux Falls Joe Foss Field
Aug 16
FSD6:00 amSioux Falls Joe Foss Field
6h 01m
1 stop
SEA10:01 amSeattle/Tacoma Intl
$372
United Airlines
Aug 11
SEA1:57 pmSeattle/Tacoma Intl
7h 25m
1 stop
FSD11:22 pmSioux Falls Joe Foss Field
Aug 15
FSD5:05 pmSioux Falls Joe Foss Field
6h 26m
1 stop
SEA9:31 pmSeattle/Tacoma Intl
$406

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 May 28, 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

Tue 6/16

7:41 pm-7:19 pm

1 stop21h 38m

Sioux Falls Joe Foss Field

Fri 6/19

8:14 pm-2:18 pm

1 stop20h 04m

$300

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 6/18

7:41 pm-7:19 pm

1 stop21h 38m

Sioux Falls Joe Foss Field

Mon 6/22

8:14 pm-9:48 am

1 stop15h 34m

$318

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 6/16

7:41 pm-7:19 pm

1 stop21h 38m

Sioux Falls Joe Foss Field

Fri 6/19

8:14 pm-9:48 am

1 stop15h 34m

$320

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 9/11

9:05 am-7:06 pm

1 stop8h 01m

Sioux Falls Joe Foss Field

Sun 9/13

5:15 am-10:45 am

1 stop7h 30m

$329

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 7/9

7:06 pm-7:23 pm

1 stop22h 17m

Sioux Falls Joe Foss Field

Mon 7/13

8:08 pm-9:17 am

1 stop15h 09m

$339

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 9/18

1:57 pm-10:52 pm

1 stop6h 55m

Sioux Falls Joe Foss Field

Tue 9/22

6:00 am-11:44 am

1 stop7h 44m

$357

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 8/19

8:13 pm-9:10 pm

1 stop22h 57m

Sioux Falls Joe Foss Field

Sun 8/30

10:00 pm-9:48 am

2 stops13h 48m

$389

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 6/9

3:33 pm-7:19 pm

1 stop25h 46m

Sioux Falls Joe Foss Field

Fri 6/12

8:14 pm-9:48 am

1 stop15h 34m

$390

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 7/14

8:13 pm-2:46 pm

1 stop16h 33m

Sioux Falls Joe Foss Field

Fri 7/17

11:46 am-7:38 pm

2 stops9h 52m

$391
Quickest round-trip

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 8/11

1:57 pm-11:22 pm

1 stop7h 25m

Sioux Falls Joe Foss Field

Sat 8/15

5:05 pm-9:31 pm

1 stop6h 26m

$406

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 October is your next best option. Flight prices from Seattle to Sioux Falls during October average around $301.

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 $458 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 $367 on momondo.

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

You could potentially save up to 52% 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 14m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 5h 14m
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 14m 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
5.6
2,930 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,422 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,756 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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