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 Rapid City or Sioux Falls, and flying into State of Washington, then you can expect flight times to average 5h 29m and 6h 01m, respectively.

What is the cheapest airline that flies from South Dakota to Washington?

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

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 64% 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.

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 August 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.

$130 Cheap Flights from South Dakota to Washington in 2026

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.

7:31 pm - 9:51 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

16h 20m1 stop Denver Intl

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

5:59 pm - 11:23 pmFSD Sioux Falls Joe Foss Field-PDX Portland

7h 24m1 stop Dallas/Fort Worth

3:00 pm - 11:53 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 53m1 stop Phoenix Sky Harbor Intl

$301American Airlines

Wed, Sep 9 - Wed, Sep 16

5:55 am - 9:36 amFSD Sioux Falls Joe Foss Field-PDX Portland

5h 41m1 stop Denver Intl

5:00 am - 12:35 pmPDX Portland-FSD Sioux Falls Joe Foss Field

5h 35m1 stop Denver Intl

$301United Airlines

Wed, Oct 28 - Sat, Oct 31

9:42 am - 1:15 pmFSD Sioux Falls Joe Foss Field-PDX Portland

5h 33m1 stop Denver Intl

2:34 pm - 11:29 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 55m1 stop Chicago O'Hare Intl

$301United Airlines

Tue, Oct 20 - Wed, Oct 28

5:05 am - 10:49 amFSD Sioux Falls Joe Foss Field-PDX Portland

7h 44m1 stop Minneapolis St Paul

3:22 pm - 11:22 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 00m1 stop Minneapolis St Paul

$301Delta

Tue, Sep 29 - Wed, Oct 7

8:23 am - 12:37 pmFSD Sioux Falls Joe Foss Field-PDX Portland

6h 14m1 stop Minneapolis St Paul

3:22 pm - 11:22 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 00m1 stop Minneapolis St Paul

$301Delta

Wed, Sep 30 - Tue, Oct 6

2:10 pm - 8:30 pmFSD Sioux Falls Joe Foss Field-PDX Portland

8h 20m1 stop Phoenix Sky Harbor Intl

3:00 pm - 11:53 pmPDX Portland-FSD Sioux Falls Joe Foss Field

6h 53m1 stop Phoenix Sky Harbor Intl

$301American Airlines

Sat, Sep 19 - Tue, Sep 22

2:10 pm - 8:30 pmFSD Sioux Falls Joe Foss Field-PDX Portland

8h 20m1 stop Phoenix Sky Harbor Intl

7:00 am - 5:20 pmPDX Portland-FSD Sioux Falls Joe Foss Field

8h 20m1 stop Dallas/Fort Worth

$301American Airlines

Sat, Sep 19 - Tue, Sep 22

8:56 pm - 9:19 amFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

14h 23m1 stop Denver Intl

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

8:52 pm - 3:08 pmFSD Sioux Falls Joe Foss Field-SEA Seattle/Tacoma Intl

20h 16m1 stop Denver Intl

8:15 pm - 8:07 pmSEA Seattle/Tacoma Intl-FSD Sioux Falls Joe Foss Field

21h 52m2 stops Los Angeles Los Angeles Denver Intl

$326Frontier

Fri, Sep 25 - Sun, Oct 4

Cheap last minute flights

Enter your travel dates to find the best prices.

8:08 pm - 5:11 pmFSD Sioux Falls Joe Foss Field-PDX Portland

23h 03m1 stop Denver Intl

12:20 pm - 8:01 pmPDX Portland-FSD Sioux Falls Joe Foss Field

5h 41m1 stop Denver Intl

$351Frontier

Mon, Aug 17 - Mon, Aug 24

8:22 am - 12:57 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

6h 35m1 stop Minneapolis St Paul

2:05 pm - 10:51 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

6h 46m1 stop Minneapolis St Paul

$424Delta

Thu, Aug 20 - Sat, Aug 29

8:22 am - 12:57 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

6h 35m1 stop Minneapolis St Paul

5:30 am - 7:29 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

11h 59m2 stops Salt Lake City Minneapolis St Paul

$429Delta

Thu, Aug 20 - Sat, Aug 29

8:30 am - 2:09 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

7h 39m1 stop Phoenix Sky Harbor Intl

5:20 am - 1:40 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

6h 20m1 stop Phoenix Sky Harbor Intl

$434American Airlines

Thu, Aug 20 - Sat, Aug 29

8:22 am - 12:57 pmFSD Sioux Falls Joe Foss Field-GEG Spokane

6h 35m1 stop Minneapolis St Paul

5:30 am - 7:29 pmGEG Spokane-FSD Sioux Falls Joe Foss Field

11h 59m2 stops Salt Lake City Minneapolis St Paul

$439Delta

Thu, Aug 20 - Sat, Aug 29

11:22 am - 3:05 pmRAP Rapid City-PDX Portland

4h 43m1 stop Denver Intl

12:45 pm - 8:37 pmPDX Portland-RAP Rapid City

6h 52m1 stop Denver Intl

$451United Airlines

Wed, Aug 19 - Wed, Aug 26

3:27 pm - 10:45 pmRAP Rapid City-PDX Portland

8h 18m2 stops Denver Intl San Francisco

4:07 pm - 10:28 pmPDX Portland-RAP Rapid City

5h 21m1 stop Denver Intl

$456United Airlines

Wed, Aug 19 - Wed, Aug 26

12:06 pm - 11:30 pmFSD Sioux Falls Joe Foss Field-PDX Portland

13h 24m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

5:38 pm - 4:53 pmPDX Portland-FSD Sioux Falls Joe Foss Field

21h 15m2 stops San Diego Chicago O'Hare Intl

$673Alaska Airlines

Mon, Aug 17 - Mon, Aug 24

6:24 am - 8:48 pmFSD Sioux Falls Joe Foss Field-PDX Portland

16h 24m2 stops Chicago O'Hare Intl Anchorage

7:00 am - 4:53 pmPDX Portland-FSD Sioux Falls Joe Foss Field

7h 53m1 stop Chicago O'Hare Intl

$902Alaska Airlines

Mon, Aug 17 - Tue, Aug 18

6:06 pm - 11:09 pmFSD Sioux Falls Joe Foss Field-PDX Portland

7h 03m1 stop Dallas/Fort Worth

12:24 pm - 12:30 amPDX Portland-FSD Sioux Falls Joe Foss Field

10h 06m1 stop Chicago O'Hare Intl

$1,195American Airlines

Mon, Aug 17 - Tue, Aug 18

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Frontier flights from South Dakota to State of Washington

Our best Frontier deals on South Dakota to State of Washington 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

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

Sep 9

FSD6:00 amSioux Falls Joe Foss Field

8h 00m

2 stops

PDX12:00 pmPortland

Sep 16

PDX2:27 pmPortland

6h 45m

1 stop

FSD11:12 pmSioux Falls Joe Foss Field

$306

United Airlines

Oct 28

FSD5:55 amSioux Falls Joe Foss Field

10h 42m

2 stops

PDX2:37 pmPortland

Nov 1

PDX4:25 pmPortland

5h 19m

1 stop

FSD11:44 pmSioux Falls Joe Foss Field

$325

United Airlines

Oct 29

RAP5:00 amRapid City

8h 20m

2 stops

SEA12:20 pmSeattle/Tacoma Intl

Nov 6

SEA3:49 pmSeattle/Tacoma Intl

5h 41m

1 stop

RAP10:30 pmRapid City

$334

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

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 FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Wed 9/9

5:59 pm-11:23 pm

1 stop7h 24m

Portland

Wed 9/16

3:00 pm-11:53 pm

1 stop6h 53m

$301

Quickest round-trip

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Wed 10/28

5:55 am-9:36 am

1 stop5h 41m

Portland

Sat 10/31

5:00 am-12:35 pm

1 stop5h 35m

$301

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Tue 10/20

9:42 am-1:15 pm

1 stop5h 33m

Portland

Wed 10/28

2:34 pm-11:29 pm

1 stop6h 55m

$301

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Tue 9/29

5:05 am-10:49 am

1 stop7h 44m

Portland

Wed 10/7

3:22 pm-11:22 pm

1 stop6h 00m

$301

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Wed 9/30

8:23 am-12:37 pm

1 stop6h 14m

Portland

Tue 10/6

3:22 pm-11:22 pm

1 stop6h 00m

$301

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Sat 9/19

2:10 pm-8:30 pm

1 stop8h 20m

Portland

Tue 9/22

3:00 pm-11:53 pm

1 stop6h 53m

$301

Sioux FallsPortland

FSD Sioux Falls Joe Foss Field - PDX Portland

FSDPDX

Sioux Falls Joe Foss Field

Sat 9/19

2:10 pm-8:30 pm

1 stop8h 20m

Portland

Tue 9/22

7:00 am-5:20 pm

1 stop8h 20m

$301

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

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 October is also cheap. Prices for this month can be found on momondo for an average of $364.

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

You could potentially save up to 52% 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

Fastest flight time	4h 40m
Direct flights	None

The fastest flight from South Dakota to State of Washington takes 4h 40m

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 August 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
Delta	PriceFrom $228	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,941 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.