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Cheap flights from Seattle to Sioux Falls from $259

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 2/12. 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

Enter your travel dates to find the best prices.
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
$259Frontier
jue., feb. 12 - dom., feb. 22
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Frontier Logo
2:16 pm - 10:55 am
FSD
-
SEA
22h 39m
1 stop
$268Frontier
jue., feb. 12 - jue., feb. 26
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Frontier Logo
2:16 pm - 10:17 am
FSD
-
SEA
46h 01m
2 stops
$269Frontier
jue., feb. 12 - jue., feb. 26
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Frontier Logo
2:42 pm - 5:15 pm
FSD
-
SEA
28h 33m
2 stops
$288Frontier
jue., feb. 12 - lun., feb. 23
Multiple Airlines Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Multiple Airlines Logo
12:45 pm - 10:54 am
FSD
-
SEA
24h 09m
1 stop
$296Multiple Airlines
jue., feb. 12 - lun., feb. 23
Frontier Logo
12:00 pm - 1:57 pm
SEA
-
FSD
23h 57m
1 stop
Frontier Logo
2:16 pm - 11:19 am
FSD
-
SEA
23h 03m
1 stop
$298Frontier
dom., feb. 15 - dom., feb. 22
Frontier Logo
1:16 pm - 1:21 pm
SEA
-
FSD
22h 05m
1 stop
Frontier Logo
2:16 pm - 11:19 am
FSD
-
SEA
23h 03m
1 stop
$304Frontier
sáb., feb. 14 - dom., feb. 22
Frontier Logo
12:00 pm - 1:57 pm
SEA
-
FSD
23h 57m
1 stop
Frontier Logo
2:16 pm - 10:17 am
FSD
-
SEA
46h 01m
2 stops
$309Frontier
dom., feb. 15 - jue., feb. 26
American Airlines Logo
12:07 am - 11:38 am
SEA
-
FSD
9h 31m
1 stop
American Airlines Logo
8:00 am - 1:52 pm
FSD
-
SEA
7h 52m
1 stop
$314American Airlines
mar., mar. 10 - mié., mar. 18
Multiple Airlines Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m
1 stop
Multiple Airlines Logo
8:16 pm - 8:13 am
FSD
-
SEA
13h 57m
1 stop
$315Multiple Airlines
jue., feb. 12 - mié., feb. 25

Alaska Airlines flights from Seattle to Sioux Falls

Our best Alaska Airlines deals on Seattle to Sioux Falls flight tickets
Alaska Airlines
Jan 22
SEA6:10 pmSeattle/Tacoma Intl
21h 35m
2 stops
FSD5:45 pmSioux Falls Joe Foss Field
Jan 27
FSD12:26 pmSioux Falls Joe Foss Field
11h 49m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
$500
Alaska Airlines
Jan 18
SEA2:36 pmSeattle/Tacoma Intl
25h 09m
2 stops
FSD5:45 pmSioux Falls Joe Foss Field
Jan 24
FSD12:19 pmSioux Falls Joe Foss Field
11h 56m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
$696
Alaska Airlines
Jan 16
SEA4:33 pmSeattle/Tacoma Intl
25h 04m
2 stops
FSD7:37 pmSioux Falls Joe Foss Field
Jan 18
FSD12:26 pmSioux Falls Joe Foss Field
13h 31m
2 stops
SEA11:57 pmSeattle/Tacoma Intl
$890

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Jan 31
SEA3:30 pmSeattle/Tacoma Intl
6h 14m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
Feb 1
FSD7:30 amSioux Falls Joe Foss Field
10h 31m
1 stop
SEA4:01 pmSeattle/Tacoma Intl
$335
United Airlines
Feb 16
SEA11:59 pmSeattle/Tacoma Intl
8h 47m
1 stop
FSD10:46 amSioux Falls Joe Foss Field
Feb 24
FSD9:00 amSioux Falls Joe Foss Field
11h 26m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$349
United Airlines
Mar 11
SEA5:00 amSeattle/Tacoma Intl
13h 40m
2 stops
FSD8:40 pmSioux Falls Joe Foss Field
Mar 18
FSD3:10 pmSioux Falls Joe Foss Field
9h 35m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
$374

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 enero 14, 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

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

dom. 2/22

2:16 pm-11:19 am

1 stop23h 03m

$259

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

jue. 2/26

2:16 pm-10:55 am

1 stop22h 39m

$268

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

jue. 2/26

2:16 pm-10:17 am

2 stops46h 01m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

lun. 2/23

2:42 pm-5:15 pm

2 stops28h 33m

$288

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

lun. 2/23

12:45 pm-10:54 am

1 stop24h 09m

$296

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dom. 2/15

12:00 pm-1:57 pm

1 stop23h 57m

Sioux Falls Joe Foss Field

dom. 2/22

2:16 pm-11:19 am

1 stop23h 03m

$298

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

sáb. 2/14

1:16 pm-1:21 pm

1 stop22h 05m

Sioux Falls Joe Foss Field

dom. 2/22

2:16 pm-11:19 am

1 stop23h 03m

$304

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

dom. 2/15

12:00 pm-1:57 pm

1 stop23h 57m

Sioux Falls Joe Foss Field

jue. 2/26

2:16 pm-10:17 am

2 stops46h 01m

$309

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mar. 3/10

12:07 am-11:38 am

1 stop9h 31m

Sioux Falls Joe Foss Field

mié. 3/18

8:00 am-1:52 pm

1 stop7h 52m

$314

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 2/12

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

mié. 2/25

8:16 pm-8:13 am

1 stop13h 57m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 $424 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 51% 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 11m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 5h 11m
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 11m 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
3,056 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,040 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,119 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,156 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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