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Cheap flights from Washington to Sioux Falls from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Sioux Falls departing on 11/28. 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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0 bags

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Find the cheapest flights from Washington to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:48 pm - 1:31 pmSEA-FSD
22h 43m1 stop
Multiple Airlines Logo
1:10 pm - 5:23 pmFSD-SEA
30h 13m2 stops
$211Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
12:48 pm - 1:31 pmSEA-FSD
22h 43m1 stop
Multiple Airlines Logo
1:10 pm - 9:56 amFSD-SEA
22h 46m1 stop
$223Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
6:00 am - 3:37 pmPDX-FSD
7h 37m1 stop
Delta Logo
1:02 pm - 5:35 pmFSD-PDX
6h 33m1 stop
$251Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
1:01 pm - 7:36 pmSEA-FSD
28h 35m1 stop
Frontier Logo
8:26 pm - 11:56 amFSD-SEA
17h 30m1 stop
$254Frontier
Find Deal
Thu, Nov 20 - Mon, Nov 24
Delta Logo
1:12 pm - 11:14 pmGEG-FSD
8h 02m1 stop
Delta Logo
4:25 pm - 8:10 pmFSD-GEG
5h 45m1 stop
$255Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9
United Airlines Logo
1:24 pm - 8:39 pmPDX-FSD
5h 15m1 stop
United Airlines Logo
5:18 pm - 9:12 pmFSD-PDX
5h 54m1 stop
$260United Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 17
United Airlines Logo
8:30 am - 4:37 pmPDX-FSD
6h 07m1 stop
United Airlines Logo
7:30 am - 6:10 pmFSD-PDX
12h 40m2 stops
$265United Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 17
American Airlines Logo
12:38 am - 11:06 amSEA-FSD
8h 28m1 stop
American Airlines Logo
8:05 am - 2:05 pmFSD-SEA
8h 00m1 stop
$269American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Frontier Logo
1:01 pm - 7:36 pmSEA-FSD
28h 35m1 stop
Frontier Logo
8:26 pm - 2:37 pmFSD-SEA
20h 11m2 stops
$295Frontier
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
3:05 pm - 11:31 pmGEG-FSD
6h 26m1 stop
American Airlines Logo
8:05 am - 1:49 pmFSD-GEG
7h 44m1 stop
$329American Airlines
Find Deal
Mon, Nov 17 - Thu, Dec 11

American Airlines flights from State of Washington to Sioux Falls

Our best American Airlines deals on State of Washington to Sioux Falls flight tickets
American Airlines
Dec 5
SEA12:38 amSeattle/Tacoma Intl
8h 28m
1 stop
FSD11:06 amSioux Falls Joe Foss Field
Dec 8
FSD8:05 amSioux Falls Joe Foss Field
8h 00m
1 stop
SEA2:05 pmSeattle/Tacoma Intl
$269
Find similar
American Airlines
Nov 17
GEG3:05 pmSpokane
6h 26m
1 stop
FSD11:31 pmSioux Falls Joe Foss Field
Dec 11
FSD8:05 amSioux Falls Joe Foss Field
7h 44m
1 stop
GEG1:49 pmSpokane
$329
Find similar
American Airlines
Nov 23
SEA12:59 amSeattle/Tacoma Intl
7h 28m
1 stop
FSD10:27 amSioux Falls Joe Foss Field
Dec 9
FSD3:42 pmSioux Falls Joe Foss Field
9h 43m
1 stop
SEA11:25 pmSeattle/Tacoma Intl
$334
Find similar

Alaska Airlines flights from State of Washington to Sioux Falls

Our best Alaska Airlines deals on State of Washington to Sioux Falls flight tickets
Alaska Airlines
Mar 24
SEA11:45 amSeattle/Tacoma Intl
8h 29m
1 stop
FSD10:14 pmSioux Falls Joe Foss Field
Apr 17
FSD4:20 pmSioux Falls Joe Foss Field
7h 14m
1 stop
SEA9:34 pmSeattle/Tacoma Intl
$444
Find similar
Alaska Airlines
Mar 31
SEA11:45 amSeattle/Tacoma Intl
8h 29m
1 stop
FSD10:14 pmSioux Falls Joe Foss Field
Apr 13
FSD4:20 pmSioux Falls Joe Foss Field
7h 14m
1 stop
SEA9:34 pmSeattle/Tacoma Intl
$449
Find similar
Alaska Airlines
Nov 10
GEG7:39 pmSpokane
12h 49m
2 stops
FSD10:28 amSioux Falls Joe Foss Field
Nov 14
FSD2:35 pmSioux Falls Joe Foss Field
25h 10m
2 stops
GEG1:45 pmSpokane
$570
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Sioux Falls 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 November 6, 2025.
Use the filters below to find and compare flights from Washington to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 12/6

12:48 pm-1:31 pm

1 stop22h 43m

Sioux Falls Joe Foss Field

Sat 12/13

1:10 pm-5:23 pm

2 stops30h 13m

$211

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 12/6

12:48 pm-1:31 pm

1 stop22h 43m

Sioux Falls Joe Foss Field

Sat 12/13

1:10 pm-9:56 am

1 stop22h 46m

$223

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 2/21

6:00 am-3:37 pm

1 stop7h 37m

Sioux Falls Joe Foss Field

Tue 2/24

1:02 pm-5:35 pm

1 stop6h 33m

$251

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 11/20

1:01 pm-7:36 pm

1 stop28h 35m

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-11:56 am

1 stop17h 30m

$254

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 12/4

1:12 pm-11:14 pm

1 stop8h 02m

Sioux Falls Joe Foss Field

Tue 12/9

4:25 pm-8:10 pm

1 stop5h 45m

$255

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 1/8

1:24 pm-8:39 pm

1 stop5h 15m

Sioux Falls Joe Foss Field

Sat 1/17

5:18 pm-9:12 pm

1 stop5h 54m

$260

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 1/8

8:30 am-4:37 pm

1 stop6h 07m

Sioux Falls Joe Foss Field

Sat 1/17

7:30 am-6:10 pm

2 stops12h 40m

$265

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 12/5

12:38 am-11:06 am

1 stop8h 28m

Sioux Falls Joe Foss Field

Mon 12/8

8:05 am-2:05 pm

1 stop8h 00m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 11/20

1:01 pm-7:36 pm

1 stop28h 35m

Sioux Falls Joe Foss Field

Mon 11/24

8:26 pm-2:37 pm

2 stops20h 11m

$295

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Mon 11/17

3:05 pm-11:31 pm

1 stop6h 26m

Sioux Falls Joe Foss Field

Thu 12/11

8:05 am-1:49 pm

1 stop7h 44m

$329

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 Sioux Falls from

How to get the cheapest flight ticket from State of Washington to Sioux Falls

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 Sioux Falls?

The cheapest month to fly to Sioux Falls from State of Washington is in November. Flight prices, which tend to average around $353, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in November, then January is your next best option. Flight prices from State of Washington to Sioux Falls during January average around $377.

What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Saturday when prices can be found for as low as $507. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $643.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the evening. Flights from State of Washington to Sioux Falls during this time can be as low as $318. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $703 on average. Flights to Sioux Falls from State of Washington in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Sioux Falls?

You are more likely to see cheaper flights to Sioux Falls from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Sioux Falls for around $457 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sioux Falls from State of Washington for as low as $336 on momondo.

Can stopping save me money on State of Washington to Sioux Falls flights?

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Sioux Falls flight.

Cheap State of Washington to Sioux Falls flight deals and tips

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

Direct flights

None
There are no direct flights from State of Washington to Sioux Falls. There are no popular flight routes from State of Washington to Sioux Falls.
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  • When did momondo last update prices for flights from Washington to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Washington to Sioux Falls Joe Foss Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Washington to Sioux Falls Joe Foss Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

    The necessary travel and health documents for your Sioux Falls Joe Foss Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Sioux Falls

Compare and see reviews for airlines that fly from State of Washington to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $188Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
DeltaPriceFrom $204Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Sioux Falls?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Sioux Falls for you.

Can I find flights from Washington to Sioux Falls with flexible booking policies on momondo?

Yes. All flights to Sioux Falls from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Sioux Falls?

Once all potential Washington to Sioux Falls 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 Washington to Sioux Falls right now. Can momondo alert me if prices change?

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

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