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South Dakota

$259+ Cheap flights from Idaho Falls (IDA) to South Dakota

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — FSD
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
1 adult, Economy
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Cheap flight deals from Idaho Falls to South Dakota

Cheapest flights from Idaho Falls to South Dakota
Explore the most affordable flight options available from Idaho Falls to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/263:58 pm
IDA
-
RAP
1 stop17h 16m
Allegiant Air
Mon 6/299:50 pm
RAP
-
IDA
1 stop20h 54m
Allegiant Air
Deal found 4/30$316
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Mon 8/109:49 am
IDA
-
RAP
1 stop11h 22m
Allegiant Air
Wed 8/123:36 pm
RAP
-
IDA
1 stop17h 22m
Allegiant Air
Deal found 5/3$353
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/72:31 pm
IDA
-
RAP
1 stop5h 57m
United Airlines
Mon 5/115:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 5/1$385
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/105:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Wed 5/205:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$409
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/105:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Mon 5/185:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$429
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/165:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Wed 5/205:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$444
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/165:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Mon 5/185:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$464
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 6/265:54 pm
IDA
-
RAP
1 stop4h 31m
United Airlines
Tue 6/305:00 am
RAP
-
IDA
1 stop4h 50m
United Airlines
Deal found 5/2$479
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/145:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Sat 5/165:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$484
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/165:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Sun 5/175:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/30$500
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/145:26 pm
IDA
-
RAP
1 stop4h 29m
United Airlines
Fri 5/225:00 am
RAP
-
IDA
1 stop4h 50m
United Airlines
Deal found 4/30$504
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/142:31 pm
IDA
-
RAP
1 stop5h 57m
United Airlines
Mon 5/185:20 am
RAP
-
IDA
1 stop4h 35m
United Airlines
Deal found 4/29$515

Find flight deals from Idaho Falls to South Dakota

Keep the following information in mind while searching for Idaho Falls to South Dakota flight deals. Data was last updated May 3, 2026.

Round-trip from

$316
(Kiwi.com)

One-way from

$259
(United Airlines)
From Idaho Falls Fanning Field to South Dakota
Search Deals
One-way flight from Idaho Falls Fanning Field to South Dakota
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to South Dakota 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 May 3, 2026.
Use the filters below to find and compare flights from Idaho Falls to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Sat 5/16

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Wed 5/20

5:20 am-9:55 am

1 stop4h 35m

$444

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 6/26

5:54 pm-10:25 pm

1 stop4h 31m

Rapid City

Tue 6/30

5:00 am-9:50 am

1 stop4h 50m

$479

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 5/15

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Wed 5/20

5:20 am-9:55 am

1 stop4h 35m

$484

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 5/14

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Wed 5/20

5:20 am-9:55 am

1 stop4h 35m

$484

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 5/14

2:31 pm-8:28 pm

1 stop5h 57m

Rapid City

Mon 5/18

5:20 am-9:55 am

1 stop4h 35m

$515

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Mon 8/10

5:54 pm-10:25 pm

1 stop4h 31m

Rapid City

Tue 8/11

7:00 am-1:24 pm

1 stop6h 24m

$517

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Wed 5/13

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Tue 5/19

8:25 am-9:55 am

1 stop25h 30m

$558

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 5/14

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Tue 5/19

7:00 am-1:25 pm

1 stop6h 25m

$608

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Mon 6/1

5:54 pm-11:16 pm

2 stops29h 22m

Rapid City

Sun 6/7

5:00 am-9:50 am

1 stop4h 50m

$624

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Wed 5/13

5:26 pm-9:55 pm

1 stop4h 29m

Rapid City

Thu 5/21

7:05 am-9:50 am

1 stop26h 45m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Idaho Falls to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Idaho 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 Idaho Falls to South Dakota
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated May 3, 2026.
See what other customers who have flown with United Airlines from Idaho Falls to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,681 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,681 reviews
United Airlines
7.4
Good
9,681 reviews

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to South Dakota. 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 Idaho Falls to South Dakota?

    Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to South Dakota from Idaho Falls.

  • How long is the flight from Idaho Falls to South Dakota?

    United Airlines can get you from Idaho Falls to South Dakota in just under 4h 29m. Your travel time can differ by up to . Airlines will cover a distance of 450 mi.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Idaho Falls to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho Falls to South Dakota

Discover the top airline that operate flights from Idaho Falls to South Dakota. 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 May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$364Average$685FlexibilityNo cancel feeOn-time69%

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