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Cheap flights from Idaho to Sioux Falls from $251

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Sioux Falls departing on 2/7. 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
3:04 pm - 11:04 pm
BOI
-
FSD
7h 00m1 stop
Delta Logo
4:19 pm - 8:55 pm
FSD
-
BOI
5h 36m1 stop
$251Delta
Sat, Feb 7 - Wed, Feb 18
Delta Logo
5:45 am - 3:34 pm
BOI
-
FSD
8h 49m2 stops
Delta Logo
4:19 pm - 8:55 pm
FSD
-
BOI
5h 36m1 stop
$256Delta
Sat, Feb 7 - Wed, Feb 18
Delta Logo
3:03 pm - 11:04 pm
BOI
-
FSD
7h 01m1 stop
Delta Logo
4:19 pm - 8:55 pm
FSD
-
BOI
5h 36m1 stop
$265Delta
Fri, Feb 6 - Wed, Feb 18
United Airlines Logo
5:16 pm - 11:44 pm
BOI
-
FSD
5h 28m1 stop
United Airlines Logo
9:00 am - 8:55 pm
FSD
-
BOI
12h 55m2 stops
$270United Airlines
Fri, Feb 6 - Wed, Feb 18
United Airlines Logo
2:37 pm - 8:24 pm
BOI
-
FSD
4h 47m1 stop
United Airlines Logo
9:00 am - 7:51 pm
FSD
-
BOI
11h 51m2 stops
$273United Airlines
Sat, Feb 7 - Wed, Feb 11
United Airlines Logo
10:15 am - 11:44 pm
BOI
-
FSD
12h 29m2 stops
United Airlines Logo
9:00 am - 8:55 pm
FSD
-
BOI
12h 55m2 stops
$275United Airlines
Fri, Feb 6 - Wed, Feb 18
United Airlines Logo
2:37 pm - 8:24 pm
BOI
-
FSD
4h 47m1 stop
United Airlines Logo
9:00 am - 1:35 pm
FSD
-
BOI
5h 35m1 stop
$304United Airlines
Sat, Feb 7 - Wed, Feb 11
United Airlines Logo
10:15 am - 11:44 pm
BOI
-
FSD
12h 29m2 stops
United Airlines Logo
9:00 am - 7:51 pm
FSD
-
BOI
11h 51m2 stops
$331United Airlines
Sat, Feb 7 - Wed, Feb 11
United Airlines Logo
2:37 pm - 8:24 pm
BOI
-
FSD
4h 47m1 stop
United Airlines Logo
5:18 pm - 9:52 pm
FSD
-
BOI
5h 34m1 stop
$350United Airlines
Tue, Jan 13 - Sat, Jan 17
United Airlines Logo
2:37 pm - 8:24 pm
BOI
-
FSD
4h 47m1 stop
United Airlines Logo
7:30 am - 7:45 pm
FSD
-
BOI
13h 15m2 stops
$355United Airlines
Tue, Jan 13 - Sat, Jan 17

Delta flights from Idaho to Sioux Falls

Our best Delta deals on Idaho to Sioux Falls flight tickets
Delta
Feb 4
BOI5:20 amBoise Air Term. Gowen Fld
6h 02m
1 stop
FSD12:22 pmSioux Falls Joe Foss Field
Feb 18
FSD4:19 pmSioux Falls Joe Foss Field
5h 36m
1 stop
BOI8:55 pmBoise Air Term. Gowen Fld
$251
Find similar
Delta
Feb 4
BOI5:45 amBoise Air Term. Gowen Fld
8h 49m
2 stops
FSD3:34 pmSioux Falls Joe Foss Field
Feb 18
FSD4:19 pmSioux Falls Joe Foss Field
5h 36m
1 stop
BOI8:55 pmBoise Air Term. Gowen Fld
$256
Find similar
Delta
Feb 6
BOI3:03 pmBoise Air Term. Gowen Fld
7h 01m
1 stop
FSD11:04 pmSioux Falls Joe Foss Field
Feb 18
FSD4:19 pmSioux Falls Joe Foss Field
5h 36m
1 stop
BOI8:55 pmBoise Air Term. Gowen Fld
$265
Find similar

United Airlines flights from Idaho to Sioux Falls

Our best United Airlines deals on Idaho to Sioux Falls flight tickets
United Airlines
Feb 6
BOI5:16 pmBoise Air Term. Gowen Fld
5h 28m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
Feb 18
FSD9:00 amSioux Falls Joe Foss Field
12h 55m
2 stops
BOI8:55 pmBoise Air Term. Gowen Fld
$270
Find similar
United Airlines
Feb 7
BOI2:37 pmBoise Air Term. Gowen Fld
4h 47m
1 stop
FSD8:24 pmSioux Falls Joe Foss Field
Feb 11
FSD9:00 amSioux Falls Joe Foss Field
11h 51m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$273
Find similar
United Airlines
Feb 6
BOI10:15 amBoise Air Term. Gowen Fld
12h 29m
2 stops
FSD11:44 pmSioux Falls Joe Foss Field
Feb 18
FSD9:00 amSioux Falls Joe Foss Field
12h 55m
2 stops
BOI8:55 pmBoise Air Term. Gowen Fld
$275
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 December 27, 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 2/7

3:04 pm-11:04 pm

1 stop7h 00m

Sioux Falls Joe Foss Field

Wed 2/18

4:19 pm-8:55 pm

1 stop5h 36m

$251

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 2/7

5:45 am-3:34 pm

2 stops8h 49m

Sioux Falls Joe Foss Field

Wed 2/18

4:19 pm-8:55 pm

1 stop5h 36m

$256

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 2/6

3:03 pm-11:04 pm

1 stop7h 01m

Sioux Falls Joe Foss Field

Wed 2/18

4:19 pm-8:55 pm

1 stop5h 36m

$265

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 2/6

5:16 pm-11:44 pm

1 stop5h 28m

Sioux Falls Joe Foss Field

Wed 2/18

9:00 am-8:55 pm

2 stops12h 55m

$270

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 2/7

2:37 pm-8:24 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Wed 2/11

9:00 am-7:51 pm

2 stops11h 51m

$273

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Fri 2/6

10:15 am-11:44 pm

2 stops12h 29m

Sioux Falls Joe Foss Field

Wed 2/18

9:00 am-8:55 pm

2 stops12h 55m

$275

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 2/7

2:37 pm-8:24 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Wed 2/11

9:00 am-1:35 pm

1 stop5h 35m

$304

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Sat 2/7

10:15 am-11:44 pm

2 stops12h 29m

Sioux Falls Joe Foss Field

Wed 2/11

9:00 am-7:51 pm

2 stops11h 51m

$331

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Tue 1/13

2:37 pm-8:24 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Sat 1/17

5:18 pm-9:52 pm

1 stop5h 34m

$350

BoiseSioux Falls

BOI - FSD

BOIFSD

Boise Air Term. Gowen Fld

Tue 1/13

2:37 pm-8:24 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Sat 1/17

7:30 am-7:45 pm

2 stops13h 15m

$355

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

Can stopping save me money on Idaho to Sioux Falls flights?

You could potentially save up to 49% on your flight if you consider stops on a Idaho to Sioux Falls flight.

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

Fastest flight time

4h 47m

Direct flights

None
The fastest flight from Idaho to Sioux Falls takes 4h 47m
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
8,018 reviews
Search Delta flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,116 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 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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