Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Sioux Falls from $210

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 2/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m1 stop
Multiple Airlines Logo
12:45 pm - 10:54 am
FSD
-
SEA
24h 09m1 stop
$210Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m1 stop
Multiple Airlines Logo
7:44 pm - 8:13 am
FSD
-
SEA
14h 29m1 stop
$220Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m1 stop
Multiple Airlines Logo
7:44 pm - 8:13 am
FSD
-
SEA
14h 29m1 stop
$225Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
1:16 pm - 12:56 pm
SEA
-
FSD
21h 40m1 stop
Frontier Logo
2:42 pm - 10:54 am
FSD
-
SEA
22h 12m2 stops
$233Frontier
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
9:23 pm - 12:56 pm
SEA
-
FSD
13h 33m2 stops
Multiple Airlines Logo
7:44 pm - 8:13 am
FSD
-
SEA
14h 29m1 stop
$268Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
9:23 pm - 12:56 pm
SEA
-
FSD
13h 33m2 stops
Multiple Airlines Logo
7:44 pm - 8:13 am
FSD
-
SEA
14h 29m1 stop
$274Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
American Airlines Logo
5:37 am - 4:49 pm
SEA
-
FSD
9h 12m1 stop
American Airlines Logo
5:19 pm - 12:55 am
FSD
-
SEA
9h 36m1 stop
$289American Airlines
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
5:00 am - 12:58 pm
SEA
-
FSD
5h 58m1 stop
United Airlines Logo
1:40 pm - 6:03 pm
FSD
-
SEA
6h 23m1 stop
$307United Airlines
Sun, Feb 8 - Wed, Feb 18
Multiple Airlines Logo
9:18 am - 11:13 am
SEA
-
FSD
23h 55m2 stops
Multiple Airlines Logo
12:45 pm - 10:54 am
FSD
-
SEA
24h 09m1 stop
$308Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
United Airlines Logo
5:00 am - 12:58 pm
SEA
-
FSD
5h 58m1 stop
United Airlines Logo
1:40 pm - 9:01 pm
FSD
-
SEA
9h 21m2 stops
$312United Airlines
Sun, Feb 8 - Wed, Feb 18

United Airlines flights from Seattle to Sioux Falls

Our best United Airlines deals on Seattle to Sioux Falls flight tickets
United Airlines
Feb 8
SEA5:00 amSeattle/Tacoma Intl
5h 58m
1 stop
FSD12:58 pmSioux Falls Joe Foss Field
Feb 18
FSD1:40 pmSioux Falls Joe Foss Field
6h 23m
1 stop
SEA6:03 pmSeattle/Tacoma Intl
$307
Find similar
United Airlines
Feb 8
SEA5:00 amSeattle/Tacoma Intl
5h 58m
1 stop
FSD12:58 pmSioux Falls Joe Foss Field
Feb 18
FSD1:40 pmSioux Falls Joe Foss Field
9h 21m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$312
Find similar
United Airlines
Jan 30
SEA8:40 amSeattle/Tacoma Intl
11h 10m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
Feb 5
FSD5:18 pmSioux Falls Joe Foss Field
5h 57m
1 stop
SEA9:15 pmSeattle/Tacoma Intl
$358
Find similar

American Airlines flights from Seattle to Sioux Falls

Our best American Airlines deals on Seattle to Sioux Falls flight tickets
American Airlines
Mar 11
SEA5:37 amSeattle/Tacoma Intl
9h 12m
1 stop
FSD4:49 pmSioux Falls Joe Foss Field
Mar 18
FSD5:19 pmSioux Falls Joe Foss Field
9h 36m
1 stop
SEA12:55 amSeattle/Tacoma Intl
$289
Find similar
American Airlines
Feb 19
SEA12:59 amSeattle/Tacoma Intl
9h 34m
1 stop
FSD12:33 pmSioux Falls Joe Foss Field
Feb 23
FSD5:41 pmSioux Falls Joe Foss Field
7h 28m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
$314
Find similar
American Airlines
Feb 20
SEA12:59 amSeattle/Tacoma Intl
9h 34m
1 stop
FSD12:33 pmSioux Falls Joe Foss Field
Feb 23
FSD5:41 pmSioux Falls Joe Foss Field
7h 28m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
$339
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 December 27, 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

Thu 2/19

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Mon 2/23

12:45 pm-10:54 am

1 stop24h 09m

$210

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Sun 2/22

7:44 pm-8:13 am

1 stop14h 29m

$220

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Sun 2/22

7:44 pm-8:13 am

1 stop14h 29m

$225

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:56 pm

1 stop21h 40m

Sioux Falls Joe Foss Field

Mon 2/23

2:42 pm-10:54 am

2 stops22h 12m

$233

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

9:23 pm-12:56 pm

2 stops13h 33m

Sioux Falls Joe Foss Field

Sun 2/22

7:44 pm-8:13 am

1 stop14h 29m

$268

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

9:23 pm-12:56 pm

2 stops13h 33m

Sioux Falls Joe Foss Field

Sun 2/22

7:44 pm-8:13 am

1 stop14h 29m

$274

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 3/11

5:37 am-4:49 pm

1 stop9h 12m

Sioux Falls Joe Foss Field

Wed 3/18

5:19 pm-12:55 am

1 stop9h 36m

$289

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 2/8

5:00 am-12:58 pm

1 stop5h 58m

Sioux Falls Joe Foss Field

Wed 2/18

1:40 pm-6:03 pm

1 stop6h 23m

$307

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 2/20

9:18 am-11:13 am

2 stops23h 55m

Sioux Falls Joe Foss Field

Mon 2/23

12:45 pm-10:54 am

1 stop24h 09m

$308

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 2/8

5:00 am-12:58 pm

1 stop5h 58m

Sioux Falls Joe Foss Field

Wed 2/18

1:40 pm-9:01 pm

2 stops9h 21m

$312

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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.

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 $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 $328 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?

As of December 2025, prices for Seattle to Sioux Falls flights are approximately 101% more expensive 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

Fastest flight time

5h 56m

Direct flights

None
The fastest flight from Seattle to Sioux Falls takes 5h 56m
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 56m 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
5.8
3,071 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,019 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,116 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.

An easier way to manage your Sioux Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 1/26
Mon 2/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States