What airlines fly to State of Washington?

United Airlines, Delta and American Airlines 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 55% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 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?

Delta, Sun Country Air, and United Airlines are the most popular carriers operating from South Dakota to Washington

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 34m and 6h 10m, respectively.

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 4 as of April 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.

$109 Cheap Flights from South Dakota to Washington in 2026

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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.

8:06 pm - 9:27 am

FSD

SEA

15h 21m

1 stop

7:50 pm - 6:33 pm

SEA

FSD

20h 43m

1 stop

$161Frontier

Mon, Apr 27 - Tue, May 5

8:06 pm - 9:27 am

FSD

SEA

15h 21m

1 stop

7:50 pm - 6:33 pm

SEA

FSD

20h 43m

1 stop

$171Frontier

Mon, Apr 27 - Tue, May 5

10:58 am - 3:58 pm

FSD

PDX

7h 00m

1 stop

12:40 am - 10:00 am

PDX

FSD

7h 20m

1 stop

$291Delta

Sat, Sep 19 - Mon, Sep 21

8:30 am - 2:19 pm

FSD

GEG

7h 49m

1 stop

1:22 pm - 11:11 pm

GEG

FSD

7h 49m

1 stop

$291American Airlines

Tue, Apr 28 - Tue, May 5

8:53 pm - 9:27 am

FSD

SEA

14h 34m

2 stops

7:50 pm - 6:33 pm

SEA

FSD

20h 43m

1 stop

$291Multiple Airlines

Mon, Apr 27 - Tue, May 5

8:53 pm - 9:27 am

FSD

SEA

14h 34m

2 stops

7:50 pm - 6:33 pm

SEA

FSD

20h 43m

1 stop

$295Multiple Airlines

Mon, Apr 27 - Tue, May 5

1:44 pm - 11:34 pm

FSD

GEG

11h 50m

2 stops

6:00 am - 1:03 pm

GEG

FSD

5h 03m

1 stop

$296Delta

Tue, Apr 28 - Tue, May 5

2:47 pm - 9:01 pm

RAP

PSC

7h 14m

1 stop

5:00 am - 1:08 pm

PSC

RAP

7h 08m

1 stop

$319United Airlines

Sat, Apr 18 - Wed, Apr 22

4:57 pm - 12:44 am

RAP

SEA

8h 47m

1 stop

6:00 am - 4:27 pm

SEA

RAP

9h 27m

1 stop

$319American Airlines

Fri, Apr 24 - Sat, May 2

4:35 pm - 10:55 pm

RAP

PDX

7h 20m

1 stop

11:05 am - 7:13 pm

PDX

RAP

7h 08m

1 stop

$339United Airlines

Thu, May 28 - Tue, Jun 2

Frontier flights from South Dakota to State of Washington

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

Frontier

Apr 27

FSD8:06 pmSioux Falls Joe Foss Field

15h 21m

1 stop

SEA9:27 amSeattle/Tacoma Intl

May 5

SEA7:50 pmSeattle/Tacoma Intl

20h 43m

1 stop

FSD6:33 pmSioux Falls Joe Foss Field

$161

Frontier

Apr 27

FSD8:06 pmSioux Falls Joe Foss Field

15h 21m

1 stop

SEA9:27 amSeattle/Tacoma Intl

May 5

SEA7:50 pmSeattle/Tacoma Intl

20h 43m

1 stop

FSD6:33 pmSioux Falls Joe Foss Field

$171

Frontier

Apr 20

FSD8:06 pmSioux Falls Joe Foss Field

17h 46m

1 stop

PDX11:52 amPortland

Apr 24

PDX11:48 amPortland

5h 33m

1 stop

FSD7:21 pmSioux Falls Joe Foss Field

$211

Alaska Airlines flights from South Dakota to State of Washington

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

Alaska Airlines

May 2

FSD3:17 pmSioux Falls Joe Foss Field

10h 12m

1 stop

SEA11:29 pmSeattle/Tacoma Intl

May 4

SEA12:29 amSeattle/Tacoma Intl

9h 30m

1 stop

FSD11:59 amSioux Falls Joe Foss Field

$439

Alaska Airlines

Apr 27

FSD3:17 pmSioux Falls Joe Foss Field

21h 09m

2 stops

SEA10:26 amSeattle/Tacoma Intl

May 5

SEA9:07 amSeattle/Tacoma Intl

12h 04m

2 stops

FSD11:11 pmSioux Falls Joe Foss Field

$449

Alaska Airlines

Sep 23

FSD7:19 amSioux Falls Joe Foss Field

10h 22m

1 stop

SEA3:41 pmSeattle/Tacoma Intl

Sep 26

SEA12:15 amSeattle/Tacoma Intl

9h 17m

1 stop

FSD11:32 amSioux 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

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/27

8:06 pm-9:27 am

1 stop15h 21m

Seattle/Tacoma Intl

Tue 5/5

7:50 pm-6:33 pm

1 stop20h 43m

$161

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/27

8:06 pm-9:27 am

1 stop15h 21m

Seattle/Tacoma Intl

Tue 5/5

7:50 pm-6:33 pm

1 stop20h 43m

$171

Quickest round-trip

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Sat 9/19

10:58 am-3:58 pm

1 stop7h 00m

Portland

Mon 9/21

12:40 am-10:00 am

1 stop7h 20m

$291

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Tue 4/28

8:30 am-2:19 pm

1 stop7h 49m

Spokane

Tue 5/5

1:22 pm-11:11 pm

1 stop7h 49m

$291

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/27

8:53 pm-9:27 am

2 stops14h 34m

Seattle/Tacoma Intl

Tue 5/5

7:50 pm-6:33 pm

1 stop20h 43m

$291

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/27

8:53 pm-9:27 am

2 stops14h 34m

Seattle/Tacoma Intl

Tue 5/5

7:50 pm-6:33 pm

1 stop20h 43m

$295

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Tue 4/28

1:44 pm-11:34 pm

2 stops11h 50m

Spokane

Tue 5/5

6:00 am-1:03 pm

1 stop5h 03m

$296

Rapid CityPasco

RAP - PSC

RAPPSC

Rapid City

Sat 4/18

2:47 pm-9:01 pm

1 stop7h 14m

Pasco Tri Cities

Wed 4/22

5:00 am-1:08 pm

1 stop7h 08m

$319

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Fri 4/24

4:57 pm-12:44 am

1 stop8h 47m

Seattle/Tacoma Intl

Sat 5/2

6:00 am-4:27 pm

1 stop9h 27m

$319

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Thu 5/28

4:35 pm-10:55 pm

1 stop7h 20m

Portland

Tue 6/2

11:05 am-7:13 pm

1 stop7h 08m

$339

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 January is, on average, the cheapest month to fly to State of Washington from South Dakota, with most prices found around $306. If you aren’t able to travel to State of Washington during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $316.

How far in advance should I book a flight to State of 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 $406 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 $237 on momondo.

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

You could potentially save up to 42% 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	5h 12m
Direct flights	None

The fastest flight from South Dakota to State of Washington takes 5h 12m

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 4 as of April 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
Frontier	PriceFrom $190	Free Cancellation	Rating 5.7 3,002 reviews	Search Frontier flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,387 reviews	Search Delta flights
United Airlines	PriceFrom $240	Free Cancellation	Rating 7.4 9,547 reviews	Search United Airlines flights
American Airlines	PriceFrom $254	Free Cancellation	Rating 7.1 11,556 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.