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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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IDA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Idaho Falls Fanning Field flights.
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From South Dakota to Idaho Falls Fanning Field
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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 April 1, 2025.

This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:30 amRAP - IDA
1 stop3h 58mUnited Airlines
Sat 8/304:15 pmIDA - RAP
1 stop5h 40mUnited Airlines
Deal found 3/31$289
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 8/276:20 amRAP - IDA
2 stops11h 52mDelta
Sat 8/306:10 amIDA - RAP
2 stops9h 54mDelta
Deal found 3/31$1,603

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 April 1, 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

Wed 8/27

5:30 am-9:28 am

1 stop3h 58m

Idaho Falls Fanning Field

Sat 8/30

4:15 pm-9:55 pm

1 stop5h 40m

$289

Rapid CityIdaho Falls

RAP - IDA

RAPIDA

Rapid City

Wed 8/27

6:20 am-6:12 pm

2 stops11h 52m

Idaho Falls Fanning Field

Sat 8/30

6:10 am-4:04 pm

2 stops9h 54m

$1,603

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated April 1, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from South Dakota to Idaho Falls (average of $380). Flying from South Dakota to Idaho Falls in July is currently the most expensive (average of $628). 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

Traveling to a place near South Dakota?

Book flights to South Dakota 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$255Average$418FlexibilityNo cancel feeOn-time69%
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