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Idaho Falls

$289+ Cheap flights from South Dakota to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IDA
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
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Find flight deals from South Dakota to Idaho Falls

Cheapest flights from South Dakota to Idaho Falls
Explore the most affordable flight options available from South Dakota to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. 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.
jue. 10/308:45 amRAP - IDA
1 stop6h 31mUnited Airlines
lun. 11/35:00 amIDA - RAP
1 stop4h 15mUnited Airlines
Deal found 10/15$299
This United Airlines deal was found by Cheapflights users on 10/14. 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.
vie. 11/215:15 amRAP - IDA
1 stop4h 33mUnited Airlines
dom. 11/305:00 amIDA - RAP
1 stop20h 25mUnited Airlines
Deal found 10/14$609
This Delta deal was found by Cheapflights users on 10/14. 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.
vie. 11/2111:07 amRAP - IDA
2 stops7h 10mDelta
dom. 11/306:00 amIDA - RAP
2 stops9h 45mDelta
Deal found 10/14$2,403

Cheap flight deals from South Dakota to Idaho Falls

Keep the following information in mind while searching for South Dakota to Idaho Falls flight deals. Data was last updated octubre 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Idaho Falls Fanning Field flights.
Search Deals
From South Dakota to Idaho Falls Fanning Field
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Idaho 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from South Dakota to Idaho Falls that are best for you.

Fly from

South Dakota

Fly to

Idaho Falls

Route

Depart

Return

Price

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

mié. 3/25

5:10 am-9:28 am

1 stop4h 18m

Idaho Falls Fanning Field

sáb. 3/28

2:35 pm-6:50 pm

1 stop4h 15m

$289

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

jue. 10/30

8:45 am-3:16 pm

1 stop6h 31m

Idaho Falls Fanning Field

lun. 11/3

5:00 am-9:15 am

1 stop4h 15m

$299

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

vie. 11/21

5:15 am-9:48 am

1 stop4h 33m

Idaho Falls Fanning Field

dom. 11/30

5:00 am-1:25 am

1 stop20h 25m

$609

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

mié. 3/25

5:51 am-9:57 pm

2 stops16h 06m

Idaho Falls Fanning Field

sáb. 3/28

8:23 am-8:15 pm

2 stops11h 52m

$900

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

vie. 11/21

11:07 am-6:17 pm

2 stops7h 10m

Idaho Falls Fanning Field

dom. 11/30

6:00 am-3:45 pm

2 stops9h 45m

$2,403

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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

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

Related info for your journey

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

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights from South Dakota to Idaho Falls.

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

    A quick flight from South Dakota to Idaho Falls can take about 4h 18m. United Airlines provides one of the quickest options available for as low as $289. The distance between South Dakota and Idaho Falls is about 450 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Dakota to Idaho Falls 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top airline flying from South Dakota to Idaho Falls

Discover the top airline that operate flights from South Dakota to Idaho Falls. 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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$288Average$420FlexibilityNo cancel feeOn-time69%

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