What airlines fly to Seattle?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from South Dakota according to our data. United Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from South Dakota to Seattle/Tacoma Intl?

Delta, United Airlines, and American Airlines are the most popular carriers operating from South Dakota to Seattle/Tacoma Intl

How long does it take to fly to Seattle?

Flight times vary depending on what airport in South Dakota you fly out of and what airport in Seattle you fly into. For example, flying from Sioux Falls to Seattle takes 5h 46m on average. On the other hand, flying from Rapid City to Seattle takes 5h 47m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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?

The number of operators available for flights from South Dakota to Seattle/Tacoma Intl Airport is 3 as of September 2026.

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.

$207 Cheap Flights from South Dakota to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Seattle

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 pm - 10:59 pmATY Watertown-SEA Seattle/Tacoma Intl

6h 19m1 stop Denver Intl

8:30 am - 5:14 pmSEA Seattle/Tacoma Intl-ATY Watertown

6h 44m1 stop Denver Intl

$344United Airlines

Thu, Feb 11 - Sun, Feb 21

4:40 pm - 9:12 pmRAP Rapid City-SEA Seattle/Tacoma Intl

5h 32m1 stop Denver Intl

3:51 pm - 10:08 pmSEA Seattle/Tacoma Intl-RAP Rapid City

5h 17m1 stop Denver Intl

$349United Airlines

Fri, Jan 29 - Mon, Feb 1

2:35 pm - 9:21 pmRAP Rapid City-SEA Seattle/Tacoma Intl

7h 46m1 stop Denver Intl

4:04 pm - 10:29 pmSEA Seattle/Tacoma Intl-RAP Rapid City

5h 25m1 stop Denver Intl

$349United Airlines

Fri, Dec 4 - Wed, Dec 9

8:00 am - 1:51 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

7h 51m1 stop Phoenix Sky Harbor Intl

3:00 pm - 11:49 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

6h 49m1 stop Phoenix Sky Harbor Intl

$358American Airlines

Thu, Nov 12 - Mon, Nov 16

2:03 pm - 8:53 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 50m1 stop Phoenix Sky Harbor Intl

10:22 am - 8:54 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

8h 32m1 stop Dallas/Fort Worth

$359American Airlines

Thu, Feb 4 - Tue, Feb 9

10:58 am - 4:35 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

7h 37m1 stop Minneapolis St Paul

1:45 pm - 10:51 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 06m1 stop Minneapolis St Paul

$359Delta

Fri, Jan 29 - Thu, Feb 4

5:00 pm - 8:46 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

5h 46m1 stop Minneapolis St Paul

6:00 am - 3:58 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 58m1 stop Minneapolis St Paul

$359Delta

Thu, Nov 12 - Sat, Nov 14

5:58 pm - 11:42 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

7h 44m1 stop Dallas/Fort Worth

10:27 am - 8:54 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

8h 27m1 stop Dallas/Fort Worth

$359American Airlines

Thu, Nov 5 - Tue, Nov 10

12:06 pm - 8:11 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

10h 05m2 stops Las Vegas Harry Reid Intl Ontario

9:16 pm - 12:51 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

13h 35m1 stop Las Vegas Harry Reid Intl

$551Multiple Airlines

Fri, Oct 23 - Sun, Oct 25

2:48 pm - 9:59 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

9h 11m1 stop Chicago O'Hare Intl

8:40 am - 7:05 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

32h 25m2 stops Portland Chicago O'Hare Intl

$850Alaska Airlines

Fri, Oct 9 - Sun, Oct 11

Cheap last minute flights

Enter your travel dates to find the best prices.

10:26 am - 5:37 pmRAP Rapid City-SEA Seattle/Tacoma Intl

8h 11m1 stop Denver Intl

5:00 am - 12:26 pmSEA Seattle/Tacoma Intl-RAP Rapid City

6h 26m1 stop Denver Intl

$444United Airlines

Wed, Sep 30 - Wed, Oct 7

11:17 am - 5:37 pmRAP Rapid City-SEA Seattle/Tacoma Intl

7h 20m1 stop Denver Intl

1:19 pm - 10:30 pmSEA Seattle/Tacoma Intl-RAP Rapid City

8h 11m2 stops San Francisco Denver Intl

$449United Airlines

Wed, Sep 30 - Wed, Oct 7

12:47 pm - 9:52 pmRAP Rapid City-SEA Seattle/Tacoma Intl

10h 05m1 stop Dallas/Fort Worth

5:30 am - 4:23 pmSEA Seattle/Tacoma Intl-RAP Rapid City

9h 53m1 stop Dallas/Fort Worth

$489American Airlines

Thu, Oct 1 - Sat, Oct 3

4:41 pm - 9:15 pmRAP Rapid City-SEA Seattle/Tacoma Intl

5h 34m1 stop Denver Intl

5:00 am - 11:55 amSEA Seattle/Tacoma Intl-RAP Rapid City

5h 55m1 stop Denver Intl

$489United Airlines

Thu, Oct 1 - Tue, Oct 6

6:20 am - 2:22 pmPIR Pierre-SEA Seattle/Tacoma Intl

10h 02m2 stops Denver Intl San Francisco

2:27 pm - 11:30 pmSEA Seattle/Tacoma Intl-PIR Pierre

7h 03m1 stop Denver Intl

$489United Airlines

Tue, Sep 29 - Mon, Oct 5

11:17 am - 4:03 pmRAP Rapid City-SEA Seattle/Tacoma Intl

5h 46m1 stop Denver Intl

12:16 pm - 10:30 pmSEA Seattle/Tacoma Intl-RAP Rapid City

9h 14m2 stops Los Angeles Denver Intl

$494United Airlines

Thu, Oct 1 - Sat, Oct 3

4:41 pm - 9:15 pmRAP Rapid City-SEA Seattle/Tacoma Intl

5h 34m1 stop Denver Intl

12:16 pm - 10:30 pmSEA Seattle/Tacoma Intl-RAP Rapid City

9h 14m2 stops Los Angeles Denver Intl

$494United Airlines

Thu, Oct 1 - Tue, Oct 6

10:40 am - 4:45 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 05m1 stop Minneapolis St Paul

6:00 am - 3:46 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

7h 46m1 stop Minneapolis St Paul

$499Delta

Sat, Oct 3 - Sun, Oct 4

6:20 am - 11:46 amPIR Pierre-SEA Seattle/Tacoma Intl

7h 26m1 stop Denver Intl

2:27 pm - 11:30 pmSEA Seattle/Tacoma Intl-PIR Pierre

7h 03m1 stop Denver Intl

$525United Airlines

Tue, Sep 29 - Mon, Oct 5

11:17 am - 11:26 pmRAP Rapid City-SEA Seattle/Tacoma Intl

13h 09m2 stops Denver Intl San Francisco

12:16 pm - 10:30 pmSEA Seattle/Tacoma Intl-RAP Rapid City

9h 14m2 stops Los Angeles Denver Intl

$553United Airlines

Wed, Sep 30 - Wed, Oct 7

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Delta flights from South Dakota to Seattle

Our best Delta deals on South Dakota to Seattle flight tickets

Delta

Nov 12

FSD5:00 pmSioux Falls Joe Foss Field

8h 57m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

Nov 15

SEA6:00 amSeattle/Tacoma Intl

7h 58m

1 stop

FSD3:58 pmSioux Falls Joe Foss Field

$359

Delta

Nov 11

FSD5:00 pmSioux Falls Joe Foss Field

8h 57m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

Nov 15

SEA6:00 amSeattle/Tacoma Intl

7h 58m

1 stop

FSD3:58 pmSioux Falls Joe Foss Field

$378

Delta

Feb 13

FSD1:00 pmSioux Falls Joe Foss Field

5h 35m

1 stop

SEA4:35 pmSeattle/Tacoma Intl

Feb 21

SEA6:05 amSeattle/Tacoma Intl

7h 45m

1 stop

FSD3:50 pmSioux Falls Joe Foss Field

$379

American Airlines flights from South Dakota to Seattle

Our best American Airlines deals on South Dakota to Seattle flight tickets

American Airlines

Nov 12

FSD8:00 amSioux Falls Joe Foss Field

7h 51m

1 stop

SEA1:51 pmSeattle/Tacoma Intl

Nov 16

SEA3:00 pmSeattle/Tacoma Intl

6h 49m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$358

American Airlines

Nov 23

FSD8:00 amSioux Falls Joe Foss Field

7h 54m

1 stop

SEA1:54 pmSeattle/Tacoma Intl

Dec 1

SEA3:00 pmSeattle/Tacoma Intl

6h 54m

1 stop

FSD11:54 pmSioux Falls Joe Foss Field

$409

American Airlines

Oct 15

RAP5:04 pmRapid City

8h 06m

1 stop

SEA12:10 amSeattle/Tacoma Intl

Oct 21

SEA10:26 amSeattle/Tacoma Intl

10h 30m

1 stop

RAP9:56 pmRapid City

$421

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WatertownSeattle

ATY Watertown - SEA Seattle/Tacoma Intl

ATYSEA

Watertown

Thu 2/11

6:40 pm-10:59 pm

1 stop6h 19m

Seattle/Tacoma Intl

Sun 2/21

8:30 am-5:14 pm

1 stop6h 44m

$344

Quickest round-trip

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Fri 1/29

4:40 pm-9:12 pm

1 stop5h 32m

Seattle/Tacoma Intl

Mon 2/1

3:51 pm-10:08 pm

1 stop5h 17m

$349

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Fri 12/4

2:35 pm-9:21 pm

1 stop7h 46m

Seattle/Tacoma Intl

Wed 12/9

4:04 pm-10:29 pm

1 stop5h 25m

$349

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/12

8:00 am-1:51 pm

1 stop7h 51m

Seattle/Tacoma Intl

Mon 11/16

3:00 pm-11:49 pm

1 stop6h 49m

$358

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Thu 2/4

2:03 pm-8:53 pm

1 stop8h 50m

Seattle/Tacoma Intl

Tue 2/9

10:22 am-8:54 pm

1 stop8h 32m

$359

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Fri 1/29

10:58 am-4:35 pm

1 stop7h 37m

Seattle/Tacoma Intl

Thu 2/4

1:45 pm-10:51 pm

1 stop7h 06m

$359

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/12

5:00 pm-8:46 pm

1 stop5h 46m

Seattle/Tacoma Intl

Sat 11/14

6:00 am-3:58 pm

1 stop7h 58m

$359

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Thu 11/5

5:58 pm-11:42 pm

1 stop7h 44m

Seattle/Tacoma Intl

Tue 11/10

10:27 am-8:54 pm

1 stop8h 27m

$359

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Fri 10/23

12:06 pm-8:11 pm

2 stops10h 05m

Seattle/Tacoma Intl

Sun 10/25

9:16 pm-12:51 pm

1 stop13h 35m

$551

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Fri 10/9

2:48 pm-9:59 pm

1 stop9h 11m

Seattle/Tacoma Intl

Sun 10/11

8:40 am-7:05 pm

2 stops32h 25m

$850

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $344. If you don’t want to visit Seattle in January, then you should wait until February to fly from South Dakota, when ticket prices are also cheap, with an average price of $358.

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 $470 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 $330 on momondo.

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

You could potentially save up to 8% 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

Best Price Found	$207
Fastest flight time	5h 46m
Direct flights	None

The best one-way flight to Seattle from South Dakota in the past 72 hours is $207. The best round-trip flight deal from South Dakota to Seattle found on momondo in the last 72 hours is $344.

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?
The number of operators available for flights from South Dakota to Seattle/Tacoma Intl Airport is 3 as of September 2026.
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
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 10,242 reviews	Search United Airlines flights
Delta	PriceFrom $273	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.0 12,099 reviews	Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Redmond

Lakewood

Federal Way

Fife

Tukwila

Puyallup

Lynnwood

Cle Elum

Marysville

Lacey

Centralia

Kirkland

Shoreline

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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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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from South Dakota to Seattle from $207

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from South Dakota to Seattle

Our best Delta deals on South Dakota to Seattle flight tickets

American Airlines flights from South Dakota to Seattle

Our best American Airlines deals on South Dakota to Seattle flight tickets

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See travel insights to Seattle from

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

What is the cheapest month to fly to Seattle?

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

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

What is the cheapest airline that flies from South Dakota to Seattle/Tacoma Intl?

What airlines fly to Seattle?

How long does it take to fly to Seattle?

Cheap South Dakota to Seattle flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from South Dakota to Seattle

Best airlines flying from South Dakota to Seattle

Compare and see reviews for airlines that fly from South Dakota to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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