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Cheap flights from South Dakota to Seattle from $136

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 8/12. 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
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.
Multiple Airlines Logo
10:06 pm - 11:04 am
RAP
-
SEA
13h 58m
1 stop
Multiple Airlines Logo
8:13 pm - 9:16 pm
SEA
-
RAP
24h 03m
1 stop
$236Multiple Airlines
Sun, Aug 9 - Sat, Aug 15
Frontier Logo
8:08 pm - 9:04 am
FSD
-
SEA
14h 56m
1 stop
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
$275Frontier
Fri, Aug 7 - Tue, Aug 11
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
$280Frontier
Wed, Jul 22 - Thu, Jul 30
Multiple Airlines Logo
4:45 pm - 10:39 am
RAP
-
SEA
18h 54m
1 stop
Multiple Airlines Logo
8:53 pm - 2:40 pm
SEA
-
RAP
16h 47m
1 stop
$303Multiple Airlines
Thu, Aug 20 - Sat, Aug 29
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
$305Frontier
Wed, Jul 22 - Thu, Jul 30
Frontier Logo
8:08 pm - 9:17 am
FSD
-
SEA
15h 09m
1 stop
Frontier Logo
7:06 pm - 7:23 pm
SEA
-
FSD
22h 17m
1 stop
$310Frontier
Wed, Jul 22 - Thu, Jul 30
Delta Logo
4:00 pm - 11:59 pm
RAP
-
SEA
8h 59m
1 stop
Delta Logo
6:05 am - 1:52 pm
SEA
-
RAP
6h 47m
1 stop
$319Delta
Tue, Dec 1 - Tue, Dec 8
Delta Logo
4:28 pm - 10:00 pm
FSD
-
SEA
7h 32m
1 stop
Delta Logo
2:30 pm - 10:51 pm
SEA
-
FSD
6h 21m
1 stop
$329Delta
Wed, Sep 2 - Thu, Sep 10
United Airlines Logo
6:00 am - 10:01 am
FSD
-
SEA
6h 01m
1 stop
United Airlines Logo
7:11 am - 8:07 pm
SEA
-
FSD
10h 56m
2 stops
$334United Airlines
Sat, Aug 29 - Tue, Sep 1
United Airlines Logo
5:00 am - 11:44 am
RAP
-
SEA
7h 44m
1 stop
United Airlines Logo
5:00 am - 12:24 pm
SEA
-
RAP
6h 24m
1 stop
$353United Airlines
Tue, Aug 25 - Wed, Sep 2

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Frontier flights from South Dakota to Seattle

Our best Frontier deals on South Dakota to Seattle flight tickets
Frontier
Aug 7
FSD8:08 pmSioux Falls Joe Foss Field
14h 56m
1 stop
SEA9:04 amSeattle/Tacoma Intl
Aug 11
SEA7:06 pmSeattle/Tacoma Intl
22h 17m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
$275
Frontier
Jul 22
FSD8:08 pmSioux Falls Joe Foss Field
15h 09m
1 stop
SEA9:17 amSeattle/Tacoma Intl
Jul 30
SEA7:06 pmSeattle/Tacoma Intl
22h 17m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
$280
Frontier
Jul 22
FSD8:08 pmSioux Falls Joe Foss Field
15h 09m
1 stop
SEA9:17 amSeattle/Tacoma Intl
Jul 30
SEA7:06 pmSeattle/Tacoma Intl
22h 17m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
$305

Delta flights from South Dakota to Seattle

Our best Delta deals on South Dakota to Seattle flight tickets
Delta
Dec 1
RAP4:00 pmRapid City
8h 59m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Dec 10
SEA6:05 amSeattle/Tacoma Intl
6h 47m
1 stop
RAP1:52 pmRapid City
$319
Delta
Sep 2
FSD4:28 pmSioux Falls Joe Foss Field
7h 32m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Sep 10
SEA2:30 pmSeattle/Tacoma Intl
6h 21m
1 stop
FSD10:51 pmSioux Falls Joe Foss Field
$329
Delta
Aug 20
RAP2:32 pmRapid City
7h 18m
1 stop
SEA8:50 pmSeattle/Tacoma Intl
Aug 24
SEA11:59 pmSeattle/Tacoma Intl
9h 03m
1 stop
RAP10:02 amRapid City
$344

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 July 1, 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

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Sun 8/9

10:06 pm-11:04 am

1 stop13h 58m

Seattle/Tacoma Intl

Sat 8/15

8:13 pm-9:16 pm

1 stop24h 03m

$236

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 8/7

8:08 pm-9:04 am

1 stop14h 56m

Seattle/Tacoma Intl

Tue 8/11

7:06 pm-7:23 pm

1 stop22h 17m

$275

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-9:17 am

1 stop15h 09m

Seattle/Tacoma Intl

Thu 7/30

7:06 pm-7:23 pm

1 stop22h 17m

$280

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 8/20

4:45 pm-10:39 am

1 stop18h 54m

Seattle/Tacoma Intl

Sat 8/29

8:53 pm-2:40 pm

1 stop16h 47m

$303

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-9:17 am

1 stop15h 09m

Seattle/Tacoma Intl

Thu 7/30

7:06 pm-7:23 pm

1 stop22h 17m

$305

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-9:17 am

1 stop15h 09m

Seattle/Tacoma Intl

Thu 7/30

7:06 pm-7:23 pm

1 stop22h 17m

$310

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 12/1

4:00 pm-11:59 pm

1 stop8h 59m

Seattle/Tacoma Intl

Tue 12/8

6:05 am-1:52 pm

1 stop6h 47m

$319
Quickest round-trip

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 9/2

4:28 pm-10:00 pm

1 stop7h 32m

Seattle/Tacoma Intl

Thu 9/10

2:30 pm-10:51 pm

1 stop6h 21m

$329

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 8/29

6:00 am-10:01 am

1 stop6h 01m

Seattle/Tacoma Intl

Tue 9/1

7:11 am-8:07 pm

2 stops10h 56m

$334

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 8/25

5:00 am-11:44 am

1 stop7h 44m

Seattle/Tacoma Intl

Wed 9/2

5:00 am-12:24 pm

1 stop6h 24m

$353

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, October 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 $156. If you don’t want to visit Seattle in October, then you should wait until January to fly from South Dakota, when ticket prices are also cheap, with an average price of $164.

How far in advance should I book a flight from South Dakota 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 $423 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 $304 on momondo.

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

You could potentially save up to 34% 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 46m

Direct flights

None
The fastest flight from South Dakota to Seattle takes 5h 46m
There are no direct flights from South Dakota to Seattle. There are no popular flight routes from South Dakota to Seattle.
Search flight deals

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
FrontierPriceFrom $190Free CancellationRating
5.6
2,849 reviews
Search Frontier flights
DeltaPriceFrom $228Free CancellationRating
7.8
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
9,906 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
Redmond
Kent
Lakewood
Puyallup
Tukwila
Cle Elum
Federal Way
Fife
Marysville
Centralia
Kirkland
Shoreline
Westport

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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