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Cheap flights from Seattle to Sioux Falls from $133

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 11/12. 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

Frontier Logo
6:12 am - 2:09 pmSEA-FSD
5h 57m1 stop
Frontier Logo
2:23 pm - 7:48 pmFSD-SEA
7h 25m1 stop
$210Frontier
Find Deal
vie., oct. 3 - dom., oct. 12
Frontier Logo
6:12 am - 2:09 pmSEA-FSD
5h 57m1 stop
Frontier Logo
7:28 pm - 12:07 pmFSD-SEA
18h 39m1 stop
$225Frontier
Find Deal
dom., oct. 5 - lun., oct. 20
American Airlines Logo
5:22 am - 4:35 pmSEA-FSD
9h 13m1 stop
American Airlines Logo
5:25 pm - 12:27 amFSD-SEA
9h 02m1 stop
$269American Airlines
Find Deal
mié., oct. 8 - sáb., oct. 11
Delta Logo
11:55 pm - 10:13 amSEA-FSD
8h 18m1 stop
Delta Logo
5:18 am - 10:54 amFSD-SEA
7h 36m1 stop
$319Delta
Find Deal
vie., nov. 7 - mar., nov. 11
Delta Logo
11:55 pm - 10:13 amSEA-FSD
8h 18m1 stop
Delta Logo
1:35 pm - 8:20 pmFSD-SEA
8h 45m1 stop
$324Delta
Find Deal
vie., oct. 10 - sáb., oct. 25
United Airlines Logo
5:00 am - 12:51 pmSEA-FSD
5h 51m1 stop
United Airlines Logo
5:14 pm - 9:24 pmFSD-SEA
6h 10m1 stop
$325United Airlines
Find Deal
jue., oct. 9 - sáb., oct. 25
United Airlines Logo
7:00 am - 8:21 pmSEA-FSD
11h 21m2 stops
United Airlines Logo
5:14 pm - 9:24 pmFSD-SEA
6h 10m1 stop
$329United Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 25
American Airlines Logo
11:44 am - 9:16 pmSEA-FSD
7h 32m1 stop
American Airlines Logo
6:27 pm - 12:27 amFSD-SEA
8h 00m1 stop
$354American Airlines
Find Deal
vie., oct. 24 - lun., oct. 27
Multiple Airlines Logo
6:04 pm - 6:33 pmSEA-FSD
22h 29m2 stops
Multiple Airlines Logo
7:28 pm - 12:07 pmFSD-SEA
18h 39m1 stop
$356Multiple Airlines
Find Deal
jue., oct. 9 - lun., oct. 20
Multiple Airlines Logo
7:00 am - 7:52 pmSEA-FSD
34h 52m2 stops
Multiple Airlines Logo
2:54 pm - 12:30 amFSD-SEA
11h 36m1 stop
$391Multiple Airlines
Find Deal
mié., oct. 1 - dom., oct. 5

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Oct 9
SEA5:00 amSeattle/Tacoma Intl
5h 51m
1 stop
FSD12:51 pmSioux Falls Joe Foss Field
Oct 25
FSD5:14 pmSioux Falls Joe Foss Field
6h 10m
1 stop
SEA9:24 pmSeattle/Tacoma Intl
$325
Find similar
United Airlines
Oct 11
SEA7:00 amSeattle/Tacoma Intl
11h 21m
2 stops
FSD8:21 pmSioux Falls Joe Foss Field
Oct 25
FSD5:14 pmSioux Falls Joe Foss Field
6h 10m
1 stop
SEA9:24 pmSeattle/Tacoma Intl
$329
Find similar
United Airlines
Oct 11
SEA7:00 amSeattle/Tacoma Intl
11h 21m
2 stops
FSD8:21 pmSioux Falls Joe Foss Field
Oct 25
FSD5:14 pmSioux Falls Joe Foss Field
6h 10m
1 stop
SEA9:24 pmSeattle/Tacoma Intl
$330
Find similar

Delta flights from Seattle to Sioux Falls

Our best Delta deals on Seattle to Sioux Falls flight tickets
Delta
Nov 7
SEA11:55 pmSeattle/Tacoma Intl
8h 18m
1 stop
FSD10:13 amSioux Falls Joe Foss Field
Nov 11
FSD5:18 amSioux Falls Joe Foss Field
7h 36m
1 stop
SEA10:54 amSeattle/Tacoma Intl
$319
Find similar
Delta
Oct 10
SEA11:55 pmSeattle/Tacoma Intl
8h 18m
1 stop
FSD10:13 amSioux Falls Joe Foss Field
Oct 25
FSD1:35 pmSioux Falls Joe Foss Field
8h 45m
1 stop
SEA8:20 pmSeattle/Tacoma Intl
$324
Find similar
Delta
Sep 19
SEA11:40 pmSeattle/Tacoma Intl
8h 27m
1 stop
FSD10:07 amSioux Falls Joe Foss Field
Sep 21
FSD5:30 amSioux Falls Joe Foss Field
10h 34m
1 stop
SEA2:04 pmSeattle/Tacoma Intl
$439
Find similar

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 septiembre 17, 2025.
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

vie. 10/3

6:12 am-2:09 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

dom. 10/12

2:23 pm-7:48 pm

1 stop7h 25m

$210

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dom. 10/5

6:12 am-2:09 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

lun. 10/20

7:28 pm-12:07 pm

1 stop18h 39m

$225

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mié. 10/8

5:22 am-4:35 pm

1 stop9h 13m

Sioux Falls Joe Foss Field

sáb. 10/11

5:25 pm-12:27 am

1 stop9h 02m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

vie. 11/7

11:55 pm-10:13 am

1 stop8h 18m

Sioux Falls Joe Foss Field

mar. 11/11

5:18 am-10:54 am

1 stop7h 36m

$319

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

vie. 10/10

11:55 pm-10:13 am

1 stop8h 18m

Sioux Falls Joe Foss Field

sáb. 10/25

1:35 pm-8:20 pm

1 stop8h 45m

$324

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 10/9

5:00 am-12:51 pm

1 stop5h 51m

Sioux Falls Joe Foss Field

sáb. 10/25

5:14 pm-9:24 pm

1 stop6h 10m

$325

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

sáb. 10/11

7:00 am-8:21 pm

2 stops11h 21m

Sioux Falls Joe Foss Field

sáb. 10/25

5:14 pm-9:24 pm

1 stop6h 10m

$329

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

vie. 10/24

11:44 am-9:16 pm

1 stop7h 32m

Sioux Falls Joe Foss Field

lun. 10/27

6:27 pm-12:27 am

1 stop8h 00m

$354

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 10/9

6:04 pm-6:33 pm

2 stops22h 29m

Sioux Falls Joe Foss Field

lun. 10/20

7:28 pm-12:07 pm

1 stop18h 39m

$356

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mié. 10/1

7:00 am-7:52 pm

2 stops34h 52m

Sioux Falls Joe Foss Field

dom. 10/5

2:54 pm-12:30 am

1 stop11h 36m

$391

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 January. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in January, then June is your next best option. Flight prices from Seattle to Sioux Falls during June average around $397.

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Saturday when prices can be found for as low as $507. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $643.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the evening. Flights from Seattle to Sioux Falls during this time can be as low as $318. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $703 on average. Flights to Sioux Falls from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $478 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 $346 on momondo.

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

You could potentially save up to 1% 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?

As of September 2025, prices for Seattle to Sioux Falls flights are approximately 20% cheaper when compared to flights at the same time last year.

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

Direct flights

None
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 38m 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 $184Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
8,926 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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