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Cheap flights from Idaho to Sioux Falls from $109

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 9/4. 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

American Airlines Logo
7:00 am - 5:03 pmBOI-FSD
9h 03m1 stop
American Airlines Logo
6:00 am - 12:27 pmFSD-BOI
7h 27m1 stop
$251American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
American Airlines Logo
1:14 pm - 11:59 pmGEG-FSD
8h 45m1 stop
American Airlines Logo
5:30 am - 12:32 pmFSD-GEG
9h 02m1 stop
$251American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Delta Logo
2:05 pm - 10:49 pmGEG-FSD
6h 44m1 stop
Delta Logo
5:15 am - 12:05 pmFSD-GEG
8h 50m2 stops
$256Delta
Find Deal
Sat, Nov 15 - Wed, Nov 19
Logo
9:26 pm - 1:48 pmBOI-FSD
39h 22m2 stops
Logo
12:43 pm - 8:31 pmFSD-BOI
8h 48m1 stop
$261
Find Deal
Mon, Sep 15 - Mon, Sep 22
Delta Logo
2:05 pm - 10:49 pmGEG-FSD
6h 44m1 stop
Delta Logo
8:15 am - 1:10 pmFSD-GEG
6h 55m1 stop
$270Delta
Find Deal
Sat, Nov 15 - Wed, Nov 19
Delta Logo
12:45 pm - 11:06 pmGEG-FSD
8h 21m1 stop
Delta Logo
5:00 am - 10:34 amFSD-GEG
7h 34m2 stops
$279Delta
Find Deal
Fri, Sep 5 - Sun, Sep 7
Delta Logo
2:21 pm - 11:46 pmGEG-FSD
7h 25m1 stop
Delta Logo
6:04 pm - 11:48 pmFSD-GEG
7h 44m1 stop
$289Delta
Find Deal
Fri, Aug 29 - Mon, Sep 1
Delta Logo
2:21 pm - 11:46 pmGEG-FSD
7h 25m1 stop
Delta Logo
5:00 am - 10:34 amFSD-GEG
7h 34m2 stops
$294Delta
Find Deal
Fri, Aug 29 - Mon, Sep 1
United Airlines Logo
2:42 pm - 8:29 pmBOI-FSD
4h 47m1 stop
United Airlines Logo
6:00 am - 9:42 amFSD-BOI
4h 42m1 stop
$321United Airlines
Find Deal
Sat, Sep 13 - Wed, Sep 17
United Airlines Logo
5:39 pm - 11:38 pmBOI-FSD
4h 59m1 stop
United Airlines Logo
11:20 am - 9:14 pmFSD-BOI
10h 54m2 stops
$326United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13

American Airlines flights from Idaho to Sioux Falls

Our best American Airlines deals on Idaho to Sioux Falls flight tickets
American Airlines
Sep 6
BOI7:00 amBoise Air Term. Gowen Fld
9h 03m
1 stop
FSD5:03 pmSioux Falls Joe Foss Field
Sep 13
FSD6:00 amSioux Falls Joe Foss Field
7h 27m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
$251
Find similar
American Airlines
Sep 5
GEG12:35 pmSpokane
6h 48m
1 stop
FSD9:23 pmSioux Falls Joe Foss Field
Sep 7
FSD6:00 amSioux Falls Joe Foss Field
8h 44m
1 stop
GEG12:44 pmSpokane
$319
Find similar
American Airlines
Oct 16
BOI6:40 amBoise Air Term. Gowen Fld
12h 50m
1 stop
FSD8:30 pmSioux Falls Joe Foss Field
Oct 19
FSD7:00 amSioux Falls Joe Foss Field
6h 43m
1 stop
BOI12:43 pmBoise Air Term. Gowen Fld
$576
Find similar

Delta flights from Idaho to Sioux Falls

Our best Delta deals on Idaho to Sioux Falls flight tickets
Delta
Nov 15
GEG2:05 pmSpokane
6h 44m
1 stop
FSD10:49 pmSioux Falls Joe Foss Field
Nov 19
FSD5:15 amSioux Falls Joe Foss Field
8h 50m
2 stops
GEG12:05 pmSpokane
$256
Find similar
Delta
Nov 15
GEG2:05 pmSpokane
6h 44m
1 stop
FSD10:49 pmSioux Falls Joe Foss Field
Nov 19
FSD8:15 amSioux Falls Joe Foss Field
6h 55m
1 stop
GEG1:10 pmSpokane
$270
Find similar
Delta
Sep 5
GEG12:45 pmSpokane
8h 21m
1 stop
FSD11:06 pmSioux Falls Joe Foss Field
Sep 7
FSD5:00 amSioux Falls Joe Foss Field
7h 34m
2 stops
GEG10:34 amSpokane
$279
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 August 17, 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

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 9/6

7:00 am-5:03 pm

1 stop9h 03m

Sioux Falls Joe Foss Field

Sat 9/13

6:00 am-12:27 pm

1 stop7h 27m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

1:14 pm-11:59 pm

1 stop8h 45m

Sioux Falls Joe Foss Field

Wed 11/19

5:30 am-12:32 pm

1 stop9h 02m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

2:05 pm-10:49 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

Wed 11/19

5:15 am-12:05 pm

2 stops8h 50m

$256

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Mon 9/15

9:26 pm-1:48 pm

2 stops39h 22m

Sioux Falls Joe Foss Field

Mon 9/22

12:43 pm-8:31 pm

1 stop8h 48m

$261

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 11/15

2:05 pm-10:49 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

Wed 11/19

8:15 am-1:10 pm

1 stop6h 55m

$270

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 9/5

12:45 pm-11:06 pm

1 stop8h 21m

Sioux Falls Joe Foss Field

Sun 9/7

5:00 am-10:34 am

2 stops7h 34m

$279

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 8/29

2:21 pm-11:46 pm

1 stop7h 25m

Sioux Falls Joe Foss Field

Mon 9/1

6:04 pm-11:48 pm

1 stop7h 44m

$289

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Fri 8/29

2:21 pm-11:46 pm

1 stop7h 25m

Sioux Falls Joe Foss Field

Mon 9/1

5:00 am-10:34 am

2 stops7h 34m

$294

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 9/13

2:42 pm-8:29 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Wed 9/17

6:00 am-9:42 am

1 stop4h 42m

$321

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 9/6

5:39 pm-11:38 pm

1 stop4h 59m

Sioux Falls Joe Foss Field

Sat 9/13

11:20 am-9:14 pm

2 stops10h 54m

$326

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 August is your next best option. Flight prices from Idaho to Sioux Falls during August average around $340.

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

Best Price Found

$109

Fastest flight time

4h 41m

Direct flights

None

Airports in Sioux Falls

1 airport
The best one-way flight to Sioux Falls from Idaho in the past 72 hours is $109. The best round-trip flight deal from Idaho to Sioux Falls found on momondo in the last 72 hours is $251.
The fastest flight from Idaho to Sioux Falls takes 4h 41m
There are no direct flights from Idaho to Sioux Falls. Popular non-direct routes for this connection are Spokane Airport - Sioux Falls Joe Foss Field Airport and Boise Air Term. Gowen Fld Airport - Sioux Falls Joe Foss Field Airport.
There is 1 airport near Sioux Falls: Sioux Falls Joe Foss Field (FSD)
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
United AirlinesPriceFrom $219Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,986 reviews
Search Delta 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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