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Cheap flights from South Dakota to Seattle 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 South Dakota to Seattle departing on 4/19. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from South Dakota to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:21 pm - 9:27 am
FSD
-
SEA
16h 06m
1 stop
Frontier Logo
7:12 pm - 7:21 pm
SEA
-
FSD
22h 09m
1 stop
$162Frontier
Mon, Apr 13 - Sun, Apr 19
Frontier Logo
7:21 pm - 9:27 am
FSD
-
SEA
16h 06m
1 stop
Frontier Logo
7:12 pm - 7:21 pm
SEA
-
FSD
22h 09m
1 stop
$191Frontier
Mon, Apr 13 - Sun, Apr 19
Frontier Logo
7:18 pm - 9:49 am
FSD
-
SEA
16h 31m
1 stop
Frontier Logo
7:50 pm - 3:44 pm
SEA
-
FSD
17h 54m
1 stop
$241Frontier
Wed, May 6 - Thu, May 28
Multiple Airlines Logo
8:53 pm - 9:27 am
FSD
-
SEA
14h 34m
2 stops
Multiple Airlines Logo
7:12 pm - 7:21 pm
SEA
-
FSD
22h 09m
1 stop
$294Multiple Airlines
Mon, Apr 13 - Sun, Apr 19
Delta Logo
6:00 am - 12:15 pm
RAP
-
SEA
7h 15m
1 stop
Delta Logo
6:00 am - 3:15 pm
SEA
-
RAP
8h 15m
1 stop
$319Delta
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
8:53 pm - 9:27 am
FSD
-
SEA
14h 34m
2 stops
Multiple Airlines Logo
7:12 pm - 7:21 pm
SEA
-
FSD
22h 09m
1 stop
$320Multiple Airlines
Mon, Apr 13 - Sun, Apr 19
United Airlines Logo
5:00 am - 10:03 am
RAP
-
SEA
6h 03m
1 stop
United Airlines Logo
5:00 am - 12:24 pm
SEA
-
RAP
6h 24m
1 stop
$339United Airlines
Wed, Sep 9 - Sun, Sep 20
United Airlines Logo
5:35 pm - 10:59 pm
RAP
-
SEA
6h 24m
1 stop
United Airlines Logo
5:05 am - 1:09 pm
SEA
-
RAP
7h 04m
1 stop
$344United Airlines
Thu, Apr 30 - Sun, May 3
American Airlines Logo
4:58 pm - 12:15 am
RAP
-
SEA
8h 17m
1 stop
American Airlines Logo
11:30 pm - 9:49 am
SEA
-
RAP
9h 19m
1 stop
$350American Airlines
Thu, Aug 27 - Tue, Sep 1
American Airlines Logo
4:58 pm - 12:15 am
RAP
-
SEA
8h 17m
1 stop
American Airlines Logo
11:30 pm - 9:49 am
SEA
-
RAP
9h 19m
1 stop
$410American Airlines
Wed, Sep 9 - Sat, Sep 19

American Airlines flights from South Dakota to Seattle

Our best American Airlines deals on South Dakota to Seattle flight tickets
American Airlines
Sep 2
FSD6:07 pmSioux Falls Joe Foss Field
7h 43m
1 stop
SEA11:50 pmSeattle/Tacoma Intl
Sep 10
SEA10:17 amSeattle/Tacoma Intl
9h 38m
1 stop
FSD9:55 pmSioux Falls Joe Foss Field
$349
American Airlines
Aug 27
RAP4:58 pmRapid City
8h 17m
1 stop
SEA12:15 amSeattle/Tacoma Intl
Sep 1
SEA11:30 pmSeattle/Tacoma Intl
9h 19m
1 stop
RAP9:49 amRapid City
$350
American Airlines
Jul 14
FSD5:34 pmSioux Falls Joe Foss Field
9h 23m
1 stop
SEA12:57 amSeattle/Tacoma Intl
Jul 21
SEA5:05 amSeattle/Tacoma Intl
9h 49m
1 stop
FSD4:54 pmSioux Falls Joe Foss Field
$389

United Airlines flights from South Dakota to Seattle

Our best United Airlines deals on South Dakota to Seattle flight tickets
United Airlines
Sep 9
RAP5:00 amRapid City
6h 03m
1 stop
SEA10:03 amSeattle/Tacoma Intl
Sep 20
SEA5:00 amSeattle/Tacoma Intl
6h 24m
1 stop
RAP12:24 pmRapid City
$339
United Airlines
Apr 30
RAP5:35 pmRapid City
6h 24m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
May 3
SEA5:05 amSeattle/Tacoma Intl
7h 04m
1 stop
RAP1:09 pmRapid City
$344
United Airlines
Apr 21
FSD6:00 amSioux Falls Joe Foss Field
5h 46m
1 stop
SEA9:46 amSeattle/Tacoma Intl
Apr 28
SEA7:12 amSeattle/Tacoma Intl
11h 18m
2 stops
FSD8:30 pmSioux Falls Joe Foss Field
$369

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Seattle 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 March 27, 2026.
Use the filters below to find and compare flights from South Dakota to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/13

7:21 pm-9:27 am

1 stop16h 06m

Seattle/Tacoma Intl

Sun 4/19

7:12 pm-7:21 pm

1 stop22h 09m

$162

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/13

7:21 pm-9:27 am

1 stop16h 06m

Seattle/Tacoma Intl

Sun 4/19

7:12 pm-7:21 pm

1 stop22h 09m

$191

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 5/6

7:18 pm-9:49 am

1 stop16h 31m

Seattle/Tacoma Intl

Thu 5/28

7:50 pm-3:44 pm

1 stop17h 54m

$241

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/13

8:53 pm-9:27 am

2 stops14h 34m

Seattle/Tacoma Intl

Sun 4/19

7:12 pm-7:21 pm

1 stop22h 09m

$294

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Sat 4/25

6:00 am-12:15 pm

1 stop7h 15m

Seattle/Tacoma Intl

Sat 5/2

6:00 am-3:15 pm

1 stop8h 15m

$319

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/13

8:53 pm-9:27 am

2 stops14h 34m

Seattle/Tacoma Intl

Sun 4/19

7:12 pm-7:21 pm

1 stop22h 09m

$320
Quickest round-trip

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 9/9

5:00 am-10:03 am

1 stop6h 03m

Seattle/Tacoma Intl

Sun 9/20

5:00 am-12:24 pm

1 stop6h 24m

$339

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 4/30

5:35 pm-10:59 pm

1 stop6h 24m

Seattle/Tacoma Intl

Sun 5/3

5:05 am-1:09 pm

1 stop7h 04m

$344

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 8/27

4:58 pm-12:15 am

1 stop8h 17m

Seattle/Tacoma Intl

Tue 9/1

11:30 pm-9:49 am

1 stop9h 19m

$350

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 9/9

4:58 pm-12:15 am

1 stop8h 17m

Seattle/Tacoma Intl

Sat 9/19

11:30 pm-9:49 am

1 stop9h 19m

$410

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 Seattle from

How to get the cheapest flight ticket from South Dakota to Seattle

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 Seattle?

In general, January is the cheapest month to fly from South Dakota to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $306. If you don’t want to visit Seattle in January, then you should wait until July to fly from South Dakota, when ticket prices are also cheap, with an average price of $316.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from South Dakota when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from South Dakota for as low as $237 on momondo.

Can stopping save me money on South Dakota to Seattle flights?

You could potentially save up to 7% on your flight if you consider stops on a South Dakota to Seattle flight.

Cheap South Dakota to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to Seattle

Fastest flight time

5h 34m

Direct flights

None
The fastest flight from South Dakota to Seattle takes 5h 34m
There are no direct flights from South Dakota to Seattle. There are no popular flight routes from South Dakota to Seattle.
Search flight deals

  • When did momondo last update prices for flights from South Dakota to Seattle/Tacoma Intl Airport?

    Prices for flights from South Dakota to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from South Dakota to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from South Dakota to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from South Dakota to Seattle

Compare and see reviews for airlines that fly from South Dakota to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $190Free CancellationRating
5.7
3,014 reviews
Search Frontier flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,340 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,507 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Lakewood
Cle Elum
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from South Dakota to Seattle with flexible booking policies on momondo?

All flight searches from South Dakota to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from South Dakota to Seattle?

Once all potential South Dakota to Seattle 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 South Dakota to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from South Dakota and alert you when they change.

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