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Cheap flights from South Dakota to Seattle from $130

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 9/10. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:31 pm - 9:51 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
16h 20m1 stop Denver Intl
Frontier Logo
7:41 pm - 6:36 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
20h 55m1 stop Denver Intl
$275Frontier
Fri, Oct 9 - Sun, Oct 11
Frontier Logo
8:56 pm - 9:19 amFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
14h 23m1 stop Denver Intl
Frontier Logo
4:27 pm - 8:07 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
25h 40m1 stop Denver Intl
$315Frontier
Mon, Aug 31 - Sun, Sep 13
Frontier Logo
8:52 pm - 3:08 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
20h 16m1 stop Denver Intl
Frontier Logo
8:15 pm - 8:07 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
21h 52m2 stops Los Angeles Denver Intl
$326Frontier
Fri, Sep 25 - Sun, Oct 4
United Airlines Logo
5:30 am - 9:59 amRAP  Rapid City-SEA Seattle/Tacoma Intl
5h 29m1 stop Denver Intl
United Airlines Logo
8:30 am - 5:03 pmSEA  Seattle/Tacoma Intl-RAP Rapid City
7h 33m1 stop Denver Intl
$329United Airlines
Sun, Jan 24 - Sat, Jan 30
United Airlines Logo
12:39 pm - 5:57 pmRAP  Rapid City-SEA Seattle/Tacoma Intl
6h 18m1 stop Denver Intl
United Airlines Logo
3:49 pm - 10:30 pmSEA  Seattle/Tacoma Intl-RAP Rapid City
5h 41m1 stop Denver Intl
$329United Airlines
Thu, Oct 29 - Fri, Nov 6
American Airlines Logo
10:24 am - 4:48 pmRAP  Rapid City-SEA Seattle/Tacoma Intl
7h 24m1 stop Dallas/Fort Worth
American Airlines Logo
12:47 pm - 9:27 pmSEA  Seattle/Tacoma Intl-RAP Rapid City
7h 40m1 stop Dallas/Fort Worth
$329American Airlines
Fri, Oct 30 - Thu, Nov 5
Delta Logo
11:30 am - 4:35 pmRAP  Rapid City-SEA Seattle/Tacoma Intl
6h 05m1 stop Minneapolis St Paul
Delta Logo
1:45 pm - 10:39 pmSEA  Seattle/Tacoma Intl-RAP Rapid City
7h 54m1 stop Minneapolis St Paul
$329Delta
Fri, Jan 8 - Thu, Jan 14
United Airlines Logo
11:17 am - 4:03 pmRAP  Rapid City-SEA Seattle/Tacoma Intl
5h 46m1 stop Denver Intl
United Airlines Logo
5:05 am - 11:58 amSEA  Seattle/Tacoma Intl-RAP Rapid City
5h 53m1 stop Denver Intl
$329United Airlines
Thu, Oct 22 - Sun, Oct 25
American Airlines Logo
12:56 pm - 7:48 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
8h 52m1 stop Dallas/Fort Worth
American Airlines Logo
5:30 am - 5:20 pmSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
9h 50m1 stop Dallas/Fort Worth
$339American Airlines
Wed, Sep 23 - Sun, Sep 27
Delta Logo
11:00 am - 4:58 pmFSD  Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl
7h 58m1 stop Minneapolis St Paul
Delta Logo
11:50 pm - 10:00 amSEA  Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field
8h 10m1 stop Minneapolis St Paul
$339Delta
Fri, Oct 16 - Mon, Oct 19

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Frontier flights from South Dakota to Seattle

Our best Frontier deals on South Dakota to Seattle flight tickets
Frontier
Oct 9
FSD7:31 pmSioux Falls Joe Foss Field
16h 20m
1 stop
SEA9:51 amSeattle/Tacoma Intl
Oct 11
SEA7:41 pmSeattle/Tacoma Intl
20h 55m
1 stop
FSD6:36 pmSioux Falls Joe Foss Field
$275
Frontier
Aug 31
FSD8:56 pmSioux Falls Joe Foss Field
14h 23m
1 stop
SEA9:19 amSeattle/Tacoma Intl
Sep 13
SEA4:27 pmSeattle/Tacoma Intl
25h 40m
1 stop
FSD8:07 pmSioux Falls Joe Foss Field
$315
Frontier
Sep 25
FSD8:52 pmSioux Falls Joe Foss Field
20h 16m
1 stop
SEA3:08 pmSeattle/Tacoma Intl
Oct 4
SEA8:15 pmSeattle/Tacoma Intl
21h 52m
2 stops
FSD8:07 pmSioux Falls Joe Foss Field
$326

Delta flights from South Dakota to Seattle

Our best Delta deals on South Dakota to Seattle flight tickets
Delta
Jan 8
RAP11:30 amRapid City
6h 05m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
Jan 14
SEA1:45 pmSeattle/Tacoma Intl
7h 54m
1 stop
RAP10:39 pmRapid City
$329
Delta
Oct 16
FSD11:00 amSioux Falls Joe Foss Field
7h 58m
1 stop
SEA4:58 pmSeattle/Tacoma Intl
Oct 19
SEA11:50 pmSeattle/Tacoma Intl
8h 10m
1 stop
FSD10:00 amSioux Falls Joe Foss Field
$339
Delta
Sep 26
FSD4:28 pmSioux Falls Joe Foss Field
6h 08m
1 stop
SEA8:36 pmSeattle/Tacoma Intl
Oct 4
SEA6:00 amSeattle/Tacoma Intl
7h 46m
1 stop
FSD3:46 pmSioux Falls Joe Foss Field
$359

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 August 15, 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 Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl

FSDSEA

Sioux Falls Joe Foss Field

Fri 10/9

7:31 pm-9:51 am

1 stop16h 20m

Seattle/Tacoma Intl

Sun 10/11

7:41 pm-6:36 pm

1 stop20h 55m

$275

Sioux FallsSeattle

FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl

FSDSEA

Sioux Falls Joe Foss Field

Mon 8/31

8:56 pm-9:19 am

1 stop14h 23m

Seattle/Tacoma Intl

Sun 9/13

4:27 pm-8:07 pm

1 stop25h 40m

$315

Sioux FallsSeattle

FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl

FSDSEA

Sioux Falls Joe Foss Field

Fri 9/25

8:52 pm-3:08 pm

1 stop20h 16m

Seattle/Tacoma Intl

Sun 10/4

8:15 pm-8:07 pm

2 stops21h 52m

$326

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Sun 1/24

5:30 am-9:59 am

1 stop5h 29m

Seattle/Tacoma Intl

Sat 1/30

8:30 am-5:03 pm

1 stop7h 33m

$329

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Thu 10/29

12:39 pm-5:57 pm

1 stop6h 18m

Seattle/Tacoma Intl

Fri 11/6

3:49 pm-10:30 pm

1 stop5h 41m

$329

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Fri 10/30

10:24 am-4:48 pm

1 stop7h 24m

Seattle/Tacoma Intl

Thu 11/5

12:47 pm-9:27 pm

1 stop7h 40m

$329

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Fri 1/8

11:30 am-4:35 pm

1 stop6h 05m

Seattle/Tacoma Intl

Thu 1/14

1:45 pm-10:39 pm

1 stop7h 54m

$329
Quickest round-trip

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Thu 10/22

11:17 am-4:03 pm

1 stop5h 46m

Seattle/Tacoma Intl

Sun 10/25

5:05 am-11:58 am

1 stop5h 53m

$329

Sioux FallsSeattle

FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl

FSDSEA

Sioux Falls Joe Foss Field

Wed 9/23

12:56 pm-7:48 pm

1 stop8h 52m

Seattle/Tacoma Intl

Sun 9/27

5:30 am-5:20 pm

1 stop9h 50m

$339

Sioux FallsSeattle

FSD Sioux Falls Joe Foss Field - SEA Seattle/Tacoma Intl

FSDSEA

Sioux Falls Joe Foss Field

Fri 10/16

11:00 am-4:58 pm

1 stop7h 58m

Seattle/Tacoma Intl

Mon 10/19

11:50 pm-10:00 am

1 stop8h 10m

$339

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 $339. If you don’t want to visit Seattle in January, then you should wait until October to fly from South Dakota, when ticket prices are also cheap, with an average price of $356.

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

You could potentially save up to 52% 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 29m

Direct flights

None
The fastest flight from South Dakota to Seattle takes 5h 29m
There are no direct flights from South Dakota to Seattle. There are no popular flight routes from South Dakota to Seattle.
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Frequently asked questions about flying from South Dakota to Seattle

  • 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
DeltaPriceFrom $228Free CancellationRating
7.8
8,508 reviews
Search Delta flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,941 reviews
Search American 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
Kent
Lynnwood
Redmond
Lakewood
Federal Way
Puyallup
Tukwila
Fife
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

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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