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Cheap flights from Idaho to Sioux Falls from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Sioux Falls departing on 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:12 pm - 11:14 pmGEG-FSD
8h 02m1 stop
Delta Logo
3:00 pm - 8:10 pmFSD-GEG
7h 10m1 stop
$255Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Delta Logo
1:15 pm - 11:12 pmGEG-FSD
7h 57m2 stops
Delta Logo
3:00 pm - 8:10 pmFSD-GEG
7h 10m1 stop
$260Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Delta Logo
7:36 pm - 10:17 amGEG-FSD
12h 41m2 stops
Delta Logo
5:14 am - 2:55 pmFSD-GEG
11h 41m2 stops
$265Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
American Airlines Logo
2:48 pm - 11:41 pmBOI-FSD
7h 53m1 stop
American Airlines Logo
1:23 pm - 7:25 pmFSD-BOI
7h 02m1 stop
$284American Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 9
United Airlines Logo
1:45 pm - 8:38 pmGEG-FSD
4h 53m1 stop
United Airlines Logo
7:45 am - 5:25 pmFSD-GEG
11h 40m2 stops
$344United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
10:48 am - 11:44 pmBOI-FSD
11h 56m2 stops
United Airlines Logo
9:00 am - 1:38 pmFSD-BOI
5h 38m1 stop
$378United Airlines
Find Deal
Sun, Feb 1 - Sat, Feb 14
Allegiant Air Logo
11:19 am - 11:50 amGEG-FSD
22h 31m1 stop
Allegiant Air Logo
12:37 pm - 9:58 amFSD-GEG
23h 21m1 stop
$444Allegiant Air
Find Deal
Sat, Dec 27 - Thu, Jan 8
Multiple Airlines Logo
12:02 pm - 11:50 amGEG-FSD
21h 48m2 stops
Multiple Airlines Logo
12:37 pm - 9:58 amFSD-GEG
23h 21m1 stop
$507Multiple Airlines
Find Deal
Sat, Dec 27 - Thu, Jan 8
Multiple Airlines Logo
7:51 pm - 7:55 pmGEG-FSD
22h 04m2 stops
Multiple Airlines Logo
8:50 pm - 11:07 amFSD-GEG
16h 17m1 stop
$534Multiple Airlines
Find Deal
Sun, Dec 21 - Fri, Dec 26
American Airlines Logo
1:33 pm - 11:59 pmBOI-FSD
9h 26m1 stop
American Airlines Logo
8:05 am - 1:46 pmFSD-BOI
6h 41m1 stop
$579American Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28

Delta flights from Idaho to Sioux Falls

Our best Delta deals on Idaho to Sioux Falls flight tickets
Delta
Dec 4
GEG1:12 pmSpokane
8h 02m
1 stop
FSD11:14 pmSioux Falls Joe Foss Field
Dec 6
FSD3:00 pmSioux Falls Joe Foss Field
7h 10m
1 stop
GEG8:10 pmSpokane
$255
Find similar
Delta
Dec 4
GEG1:15 pmSpokane
7h 57m
2 stops
FSD11:12 pmSioux Falls Joe Foss Field
Dec 6
FSD3:00 pmSioux Falls Joe Foss Field
7h 10m
1 stop
GEG8:10 pmSpokane
$260
Find similar
Delta
Dec 4
GEG7:36 pmSpokane
12h 41m
2 stops
FSD10:17 amSioux Falls Joe Foss Field
Dec 6
FSD5:14 amSioux Falls Joe Foss Field
11h 41m
2 stops
GEG2:55 pmSpokane
$265
Find similar

American Airlines flights from Idaho to Sioux Falls

Our best American Airlines deals on Idaho to Sioux Falls flight tickets
American Airlines
Jan 29
BOI2:48 pmBoise Air Term. Gowen Fld
7h 53m
1 stop
FSD11:41 pmSioux Falls Joe Foss Field
Feb 9
FSD1:23 pmSioux Falls Joe Foss Field
7h 02m
1 stop
BOI7:25 pmBoise Air Term. Gowen Fld
$284
Find similar
American Airlines
Nov 14
BOI1:40 pmBoise Air Term. Gowen Fld
9h 19m
1 stop
FSD11:59 pmSioux Falls Joe Foss Field
Nov 17
FSD6:30 amSioux Falls Joe Foss Field
7h 05m
1 stop
BOI12:35 pmBoise Air Term. Gowen Fld
$399
Find similar
American Airlines
Nov 14
BOI1:40 pmBoise Air Term. Gowen Fld
9h 19m
1 stop
FSD11:59 pmSioux Falls Joe Foss Field
Nov 17
FSD8:05 amSioux Falls Joe Foss Field
6h 41m
1 stop
BOI1:46 pmBoise Air Term. Gowen Fld
$474
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 10, 2025.
Use the filters below to find and compare flights from Idaho to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 12/4

1:12 pm-11:14 pm

1 stop8h 02m

Sioux Falls Joe Foss Field

Sat 12/6

3:00 pm-8:10 pm

1 stop7h 10m

$255

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 12/4

1:15 pm-11:12 pm

2 stops7h 57m

Sioux Falls Joe Foss Field

Sat 12/6

3:00 pm-8:10 pm

1 stop7h 10m

$260

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Thu 12/4

7:36 pm-10:17 am

2 stops12h 41m

Sioux Falls Joe Foss Field

Sat 12/6

5:14 am-2:55 pm

2 stops11h 41m

$265

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Thu 1/29

2:48 pm-11:41 pm

1 stop7h 53m

Sioux Falls Joe Foss Field

Mon 2/9

1:23 pm-7:25 pm

1 stop7h 02m

$284

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 3/6

1:45 pm-8:38 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

Tue 3/10

7:45 am-5:25 pm

2 stops11h 40m

$344

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sun 2/1

10:48 am-11:44 pm

2 stops11h 56m

Sioux Falls Joe Foss Field

Sat 2/14

9:00 am-1:38 pm

1 stop5h 38m

$378

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 12/27

11:19 am-11:50 am

1 stop22h 31m

Sioux Falls Joe Foss Field

Thu 1/8

12:37 pm-9:58 am

1 stop23h 21m

$444

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 12/27

12:02 pm-11:50 am

2 stops21h 48m

Sioux Falls Joe Foss Field

Thu 1/8

12:37 pm-9:58 am

1 stop23h 21m

$507

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sun 12/21

7:51 pm-7:55 pm

2 stops22h 04m

Sioux Falls Joe Foss Field

Fri 12/26

8:50 pm-11:07 am

1 stop16h 17m

$534

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 11/24

1:33 pm-11:59 pm

1 stop9h 26m

Sioux Falls Joe Foss Field

Fri 11/28

8:05 am-1:46 pm

1 stop6h 41m

$579

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 Idaho 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 Idaho is in June. Flight prices, which tend to average around $309, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in June, then September is your next best option. Flight prices from Idaho to Sioux Falls during September average around $368.

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 $365. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $681.

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 afternoon. Flights from Idaho to Sioux Falls during this time can be as low as $368. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $569 on average. Flights to Sioux Falls from Idaho at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Idaho to Sioux Falls flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho to Sioux Falls. There are no popular flight routes from Idaho to Sioux Falls.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Idaho to Sioux Falls Joe Foss Field Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Sioux Falls Joe Foss Field Airport.

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

    The required travel and health documents for your Sioux Falls Joe Foss Field 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 Sioux Falls Joe Foss Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Sioux Falls

Compare and see reviews for airlines that fly from Idaho to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $228Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,047 reviews
Search American 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 Idaho to Sioux Falls?

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

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

Flights from Idaho to Sioux Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Idaho and Sioux Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Sioux Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Sioux Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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