How long is the flight from South Dakota to State of Washington?

If you’re flying from a popular airport in South Dakota, such as Sioux Falls or Rapid City, and flying into State of Washington, then you can expect flight times to average 5h 35m and 6h 07m, respectively.

What airlines fly to State of Washington?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to State of Washington from South Dakota according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington 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 Washington?

American Airlines, United Airlines, and Allegiant Air are the most popular carriers operating from South Dakota to Washington

When did momondo last update prices for flights from South Dakota to Washington?

Prices for flights from South Dakota to Washington were last updated today.

How many operators does momondo search for flights from South Dakota to Washington?

The number of operators available for flights from South Dakota to Washington is 3 as of October 2026.

How old do you have to be to fly from South Dakota to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$253 Cheap Flights from South Dakota to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 9:11 pmRAP Rapid City-GEG Spokane

6h 01m1 stop Denver Intl

1:45 pm - 8:43 pmGEG Spokane-RAP Rapid City

5h 58m1 stop Denver Intl

$339United Airlines

Fri, Oct 30 - Fri, Nov 6

11:46 am - 9:45 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

23h 59m1 stop Las Vegas Harry Reid Intl

9:13 pm - 12:00 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

36h 47m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$346Multiple Airlines

Thu, Oct 29 - Mon, Nov 2

5:04 pm - 12:10 amRAP Rapid City-SEA Seattle/Tacoma Intl

8h 06m1 stop Dallas/Fort Worth

12:25 am - 9:54 amSEA Seattle/Tacoma Intl-RAP Rapid City

8h 29m1 stop Dallas/Fort Worth

$349American Airlines

Wed, Oct 21 - Fri, Oct 23

1:08 pm - 8:40 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

9h 32m1 stop Dallas/Fort Worth

1:46 pm - 11:49 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

8h 03m1 stop Phoenix Sky Harbor Intl

$349American Airlines

Fri, Nov 6 - Sun, Nov 8

8:30 am - 12:15 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

5h 45m1 stop Minneapolis St Paul

1:54 pm - 11:03 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

7h 09m1 stop Minneapolis St Paul

$349Delta

Wed, Nov 4 - Sat, Nov 7

8:30 am - 12:15 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

5h 45m1 stop Minneapolis St Paul

1:54 pm - 11:22 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

7h 28m1 stop Minneapolis St Paul

$349Delta

Fri, Nov 6 - Sun, Nov 8

4:10 pm - 9:19 pmRAP Rapid City-SEA Seattle/Tacoma Intl

6h 09m1 stop Denver Intl

3:49 pm - 10:30 pmSEA Seattle/Tacoma Intl-RAP Rapid City

5h 41m1 stop Denver Intl

$349United Airlines

Sat, Oct 31 - Sat, Nov 7

3:22 pm - 9:15 pmRAP Rapid City-SEA Seattle/Tacoma Intl

6h 53m1 stop Denver Intl

5:05 am - 11:58 amSEA Seattle/Tacoma Intl-RAP Rapid City

5h 53m1 stop Denver Intl

$349United Airlines

Fri, Oct 23 - Sun, Oct 25

3:33 pm - 9:48 amRAP Rapid City-SEA Seattle/Tacoma Intl

19h 15m1 stop Las Vegas Harry Reid Intl

9:16 pm - 10:34 amSEA Seattle/Tacoma Intl-RAP Rapid City

36h 18m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$387Multiple Airlines

Thu, Oct 22 - Mon, Oct 26

7:39 pm - 9:12 amFSD Sioux Falls Joe Foss Field-GEG Spokane

15h 33m1 stop Phoenix-Mesa Gateway

10:59 am - 10:33 amGEG Spokane-FSD Sioux Falls Joe Foss Field

21h 34m1 stop Phoenix-Mesa Gateway

$570Allegiant Air

Sun, Dec 13 - Sat, Jan 2

Cheap last minute flights

Enter your travel dates to find the best prices.

9:42 am - 12:36 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

4h 54m1 stop Denver Intl

5:00 am - 12:49 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

5h 49m1 stop Denver Intl

$524United Airlines

Thu, Oct 8 - Sun, Oct 11

5:54 pm - 12:10 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

8h 16m1 stop Dallas/Fort Worth

12:25 am - 12:13 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

9h 48m1 stop Dallas/Fort Worth

$529American Airlines

Thu, Oct 8 - Fri, Oct 9

11:17 am - 9:59 pmRAP Rapid City-SEA Seattle/Tacoma Intl

11h 42m2 stops Denver Intl Los Angeles

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

6h 26m1 stop Denver Intl

$592United Airlines

Thu, Oct 8 - Sat, Oct 10

11:17 am - 9:59 pmRAP Rapid City-SEA Seattle/Tacoma Intl

11h 42m2 stops Denver Intl Los Angeles

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

9h 14m2 stops Los Angeles Denver Intl

$597United Airlines

Thu, Oct 8 - Sun, Oct 11

12:53 pm - 8:43 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

9h 50m1 stop Dallas/Fort Worth

6:00 am - 5:23 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

9h 23m1 stop Dallas/Fort Worth

$599American Airlines

Thu, Oct 8 - Sat, Oct 10

12:53 pm - 8:43 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

9h 50m1 stop Dallas/Fort Worth

6:30 am - 9:13 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

12h 43m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$604American Airlines

Thu, Oct 8 - Sat, Oct 10

8:30 am - 12:30 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

6h 00m1 stop Minneapolis St Paul

11:50 pm - 10:00 amSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

8h 10m1 stop Minneapolis St Paul

$734Delta

Thu, Oct 8 - Sun, Oct 11

12:06 pm - 9:48 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

23h 42m1 stop Las Vegas Harry Reid Intl

8:00 pm - 12:48 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

38h 48m2 stops Los Angeles Phoenix Sky Harbor Intl

$810Multiple Airlines

Thu, Oct 8 - Sun, Oct 11

12:16 pm - 6:40 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

8h 24m1 stop Las Vegas Harry Reid Intl

7:33 pm - 12:48 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

15h 15m1 stop Phoenix-Mesa Gateway

$812Allegiant Air

Sun, Oct 4 - Mon, Oct 5

8:30 am - 4:14 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

9h 44m2 stops Minneapolis St Paul Salt Lake City

7:25 pm - 10:00 amGEG Spokane-FSD Sioux Falls Joe Foss Field

12h 35m2 stops Seattle/Tacoma Intl Minneapolis St Paul

$858Delta

Thu, Oct 8 - Sun, Oct 11

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United Airlines flights from South Dakota to State of Washington

Our best United Airlines deals on South Dakota to State of Washington flight tickets

United Airlines

Oct 30

RAP4:10 pmRapid City

6h 01m

1 stop

GEG9:11 pmSpokane

Nov 6

GEG1:45 pmSpokane

5h 58m

1 stop

RAP8:43 pmRapid City

$339

United Airlines

Oct 29

RAP5:00 amRapid City

5h 47m

1 stop

SEA9:47 amSeattle/Tacoma Intl

Nov 5

SEA12:20 pmSeattle/Tacoma Intl

9h 10m

2 stops

RAP10:30 pmRapid City

$354

United Airlines

Nov 10

FSD6:00 amSioux Falls Joe Foss Field

8h 19m

1 stop

SEA12:19 pmSeattle/Tacoma Intl

Nov 18

SEA3:49 pmSeattle/Tacoma Intl

5h 55m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

$359

American Airlines flights from South Dakota to State of Washington

Our best American Airlines deals on South Dakota to State of Washington flight tickets

American Airlines

Oct 21

RAP5:04 pmRapid City

8h 06m

1 stop

SEA12:10 amSeattle/Tacoma Intl

Oct 23

SEA12:25 amSeattle/Tacoma Intl

8h 29m

1 stop

RAP9:54 amRapid City

$349

American Airlines

Nov 12

FSD6:00 amSioux Falls Joe Foss Field

8h 01m

1 stop

GEG12:01 pmSpokane

Nov 15

GEG1:46 pmSpokane

8h 03m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$450

American Airlines

Nov 4

FSD2:26 pmSioux Falls Joe Foss Field

7h 43m

1 stop

SEA8:09 pmSeattle/Tacoma Intl

Nov 9

SEA3:00 pmSeattle/Tacoma Intl

6h 49m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$459

momondo Fare Finder

Use the filters below to find and compare flights from South Dakota to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySpokane

RAP Rapid City - GEG Spokane

RAPGEG

Rapid City

Fri 10/30

4:10 pm-9:11 pm

1 stop6h 01m

Spokane

Fri 11/6

1:45 pm-8:43 pm

1 stop5h 58m

$339

Sioux FallsSeattle

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

FSDSEA

Sioux Falls Joe Foss Field

Thu 10/29

11:46 am-9:45 am

1 stop23h 59m

Seattle/Tacoma Intl

Mon 11/2

9:13 pm-12:00 pm

2 stops36h 47m

$346

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Wed 10/21

5:04 pm-12:10 am

1 stop8h 06m

Seattle/Tacoma Intl

Fri 10/23

12:25 am-9:54 am

1 stop8h 29m

$349

Sioux FallsSpokane

FSD Sioux Falls Joe Foss Field - GEG Spokane

FSDGEG

Sioux Falls Joe Foss Field

Fri 11/6

1:08 pm-8:40 pm

1 stop9h 32m

Spokane

Sun 11/8

1:46 pm-11:49 pm

1 stop8h 03m

$349

Sioux FallsSpokane

FSD Sioux Falls Joe Foss Field - GEG Spokane

FSDGEG

Sioux Falls Joe Foss Field

Wed 11/4

8:30 am-12:15 pm

1 stop5h 45m

Spokane

Sat 11/7

1:54 pm-11:03 pm

1 stop7h 09m

$349

Sioux FallsSpokane

FSD Sioux Falls Joe Foss Field - GEG Spokane

FSDGEG

Sioux Falls Joe Foss Field

Fri 11/6

8:30 am-12:15 pm

1 stop5h 45m

Spokane

Sun 11/8

1:54 pm-11:22 pm

1 stop7h 28m

$349

Quickest round-trip

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Sat 10/31

4:10 pm-9:19 pm

1 stop6h 09m

Seattle/Tacoma Intl

Sat 11/7

3:49 pm-10:30 pm

1 stop5h 41m

$349

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Fri 10/23

3:22 pm-9:15 pm

1 stop6h 53m

Seattle/Tacoma Intl

Sun 10/25

5:05 am-11:58 am

1 stop5h 53m

$349

Rapid CitySeattle

RAP Rapid City - SEA Seattle/Tacoma Intl

RAPSEA

Rapid City

Thu 10/22

3:33 pm-9:48 am

1 stop19h 15m

Seattle/Tacoma Intl

Mon 10/26

9:16 pm-10:34 am

2 stops36h 18m

$387

Sioux FallsSpokane

FSD Sioux Falls Joe Foss Field - GEG Spokane

FSDGEG

Sioux Falls Joe Foss Field

Sun 12/13

7:39 pm-9:12 am

1 stop15h 33m

Spokane

Sat 1/2

10:59 am-10:33 am

1 stop21h 34m

$570

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 State of Washington

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 State of Washington?

The month of April is, on average, the cheapest month to fly to State of Washington from South Dakota, with most prices found around $363. If you aren’t able to travel to State of Washington during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $371.

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

You are more likely to see cheaper flights to State of Washington from South Dakota when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from South Dakota for as low as $330 on momondo.

Can stopping save me money on South Dakota to State of Washington flights?

You could potentially save up to 30% on your flight if you consider stops on a South Dakota to State of Washington flight.

Cheap South Dakota to State of Washington flight deals and tips

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

Best Price Found	$253
Fastest flight time	4h 59m
Direct flights	None

The best one-way flight to State of Washington from South Dakota in the past 72 hours is $253. The best round-trip flight deal from South Dakota to State of Washington found on momondo in the last 72 hours is $339.

The fastest flight from South Dakota to State of Washington takes 4h 59m

There are no direct flights from South Dakota to State of Washington. There are no popular flight routes from South Dakota to State of Washington.

Search flight deals

Frequently asked questions about flying from South Dakota to Washington

When did momondo last update prices for flights from South Dakota to Washington?
Prices for flights from South Dakota to Washington were last updated today.
How many operators does momondo search for flights from South Dakota to Washington?
The number of operators available for flights from South Dakota to Washington is 3 as of October 2026.
How old do you have to be to fly from South Dakota to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to State of Washington

Compare and see reviews for airlines that fly from South Dakota to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 10,275 reviews	Search United Airlines flights
Delta	PriceFrom $269	Free Cancellation	Rating 7.8 8,622 reviews	Search Delta flights
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.0 12,110 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from South Dakota to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for South Dakota to Washington flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from South Dakota to Washington.

I’m not ready to book a flight from South Dakota to Washington right now. Can momondo alert me if prices change?

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