HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$218+ Cheap flights from Sioux Falls (FSD) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux Falls to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux Falls to Idaho

Cheapest flights from Sioux Falls to Idaho
Explore the most affordable flight options available from Sioux Falls to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:57 pm
FSD
-
GEG
1 stop9h 45m
American Airlines
Sat 9/55:20 am
GEG
-
FSD
1 stop6h 20m
American Airlines
Deal found 7/22$319
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:35 am
FSD
-
BOI
1 stop5h 03m
United Airlines
Sat 8/2910:36 am
BOI
-
FSD
1 stop4h 47m
United Airlines
Deal found 7/21$319
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:26 pm
FSD
-
GEG
1 stop7h 58m
Delta
Sat 9/52:05 pm
GEG
-
FSD
1 stop6h 46m
Delta
Deal found 7/23$329
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 pm
FSD
-
BOI
1 stop7h 59m
Delta
Sat 11/145:15 am
BOI
-
FSD
1 stop6h 02m
Delta
Deal found 7/25$329
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:10 pm
FSD
-
GEG
1 stop7h 29m
American Airlines
Wed 9/236:30 am
GEG
-
FSD
2 stops11h 12m
American Airlines
Deal found 7/21$345
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:30 am
FSD
-
BOI
1 stop5h 54m
American Airlines
Sun 8/301:55 pm
BOI
-
FSD
1 stop8h 57m
American Airlines
Deal found 7/23$354
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:31 pm
FSD
-
GEG
2 stops39h 48m
Multiple Airlines
Fri 9/2510:50 am
GEG
-
FSD
1 stop22h 48m
Multiple Airlines
Deal found 7/25$363
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:31 pm
FSD
-
GEG
2 stops39h 48m
Multiple Airlines
Thu 9/2410:09 am
GEG
-
FSD
1 stop9h 03m
Multiple Airlines
Deal found 7/25$365
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
FSD
-
BOI
1 stop4h 35m
United Airlines
Sun 8/306:15 am
BOI
-
FSD
2 stops11h 00m
United Airlines
Deal found 7/22$365
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:05 am
FSD
-
GEG
1 stop7h 08m
American Airlines
Sat 9/266:30 am
GEG
-
FSD
2 stops12h 15m
American Airlines
Deal found 7/25$376
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:10 pm
FSD
-
BOI
1 stop8h 53m
American Airlines
Mon 9/141:52 pm
BOI
-
FSD
1 stop9h 01m
American Airlines
Deal found 7/21$389
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:05 pm
FSD
-
BOI
1 stop6h 35m
United Airlines
Tue 9/16:15 am
BOI
-
FSD
2 stops9h 08m
United Airlines
Deal found 7/20$404

Find flight deals from Sioux Falls to Idaho

Keep the following information in mind while searching for Sioux Falls to Idaho flight deals. Data was last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(American Airlines)

One-way from

$218
(United Airlines)

Popular in

May

Cheapest in

June

Average price

$458
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flights.
Search Deals
From Sioux Falls Joe Foss Field to Idaho
Search Deals
One-way flight from Sioux Falls Joe Foss Field to Idaho
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Idaho 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Sioux Falls to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Sat 8/22

9:35 am-1:38 pm

1 stop5h 03m

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-4:23 pm

1 stop4h 47m

$319

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Sat 1/16

9:14 am-7:16 pm

2 stops11h 02m

Boise Air Term. Gowen Fld

Sat 1/30

5:22 pm-10:56 pm

1 stop4h 34m

$324

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sat 8/29

1:26 pm-7:24 pm

1 stop7h 58m

Spokane

Sat 9/5

2:05 pm-10:51 pm

1 stop6h 46m

$329

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sat 8/29

12:57 pm-8:42 pm

1 stop9h 45m

Spokane

Sat 9/5

5:20 am-1:40 pm

1 stop6h 20m

$329
Quickest round-trip

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Fri 8/28

6:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Sun 8/30

5:00 am-10:43 am

1 stop4h 43m

$329

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Thu 8/27

6:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Sun 8/30

5:00 am-10:43 am

1 stop4h 43m

$329

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Fri 8/21

12:57 pm-8:42 pm

1 stop9h 45m

Spokane

Tue 8/25

5:20 am-7:59 pm

2 stops12h 39m

$334

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Wed 9/16

6:00 am-3:31 pm

2 stops10h 31m

Boise Air Term. Gowen Fld

Sun 9/20

5:00 am-10:44 am

1 stop4h 44m

$334

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Sat 8/29

9:35 am-1:38 pm

1 stop5h 03m

Boise Air Term. Gowen Fld

Tue 9/1

2:44 pm-8:07 pm

1 stop4h 23m

$399

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Thu 9/17

12:56 pm-8:21 pm

1 stop9h 25m

Spokane

Mon 9/21

1:53 pm-11:53 pm

1 stop8h 00m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 36 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Sioux Falls to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Sioux Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Idaho

What is the cheapest month to book a flight from Sioux Falls to Idaho?

Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Idaho (average of $278). Flying from Sioux Falls to Idaho in May is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sioux Falls to Idaho?

Airfare is below average for this route at the moment.
Sioux Falls to Idaho flights typically cost between $384 and $519 in August.
The cheapest round-trip price found within the last 5 days was $319 on United Airlines (Aug 22-Aug 29).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated July 25, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Sioux Falls to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,034 reviews
Delta
7.8
Good
8,486 reviews

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to Idaho?

    Sioux Falls Joe Foss Field (FSD), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Sioux Falls to Idaho.

  • How long is the flight from Sioux Falls to Idaho?

    Departing from Sioux Falls to Idaho will take you 5h 03m. The distance from Sioux Falls to Idaho is about 972 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Sioux Falls to Idaho?

    The most popular route from Sioux Falls to Idaho is Sioux Falls Joe Foss Field - Spokane. You may also consider Sioux Falls Joe Foss Field - Boise Air Term. Gowen Fld or Sioux Falls Joe Foss Field - Jackson Hole.

  • Can I find deals for flights from Sioux Falls to Idaho that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Idaho.

  • Can I find deals for business class flights from Sioux Falls to Idaho?

    Yes. Cheapflights offers flight deals from Sioux Falls to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sioux Falls to Idaho?

    Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Idaho (average of $278). Flying from Sioux Falls to Idaho in May is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Seattle flights
Sioux Falls to Orlando flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to Hobby flights
Sioux Falls to Las Vegas flights
Sioux Falls to Los Angeles flights
Rapid City to Dallas/Fort Worth flights
Sioux Falls to Boston flights
Sioux Falls to John F Kennedy Intl flights
Sioux Falls to LaGuardia flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to Atlanta flights
Rapid City to Minneapolis flights
Sioux Falls to Portland flights
Sioux Falls to Nashville flights
Sioux Falls to Portland flights
Sioux Falls to Miami flights
Sioux Falls to San Antonio flights
Sioux Falls to George Bush Intcntl flights
Sioux Falls to Salt Lake City flights
Sioux Falls to New Orleans flights
Sioux Falls to San Diego flights
Sioux Falls to Fort Myers flights
Rapid City to Seattle flights
Sioux Falls to Midway flights
Sioux Falls to Tampa flights
Sioux Falls to Reagan-National flights
Sioux Falls to Newark flights
Sioux Falls to Key West flights
Rapid City to Hobby flights
Sioux Falls to Detroit flights
Rapid City to Denver flights
Sioux Falls to Ontario flights
Sioux Falls to Austin flights
Rapid City to Dulles Intl flights
Sioux Falls to Phoenix-Mesa Gateway flights
Rapid City to John F Kennedy Intl flights
Rapid City to O'Hare Intl flights
Sioux Falls to Grand Rapids flights
Rapid City to Las Vegas flights
Sioux Falls to Baltimore flights
Rapid City to Anchorage flights
Sioux Falls to San Francisco flights
Sioux Falls to Knoxville flights
Sioux Falls to Pittsburgh flights
Rapid City to Baltimore flights
Rapid City to Orlando flights

Top 2 airlines flying from Sioux Falls to Idaho

Discover the top 2 airlines that operate flights from Sioux Falls to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$443FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$475FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights