The cheapest times to fly from SLC to IDA are

  • April 16th to May 13th
  • August 20th to November 18th (except the week of October 8th)
  • December 3rd to March 4th (except the weeks of December 10th, December 17th, and February 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SLC to IDA is late January. Prices can be as high as $418 for Sunday flights during late May, or as low as $184 for Tuesday flights around late January.


When to Fly to Idaho Falls

Flying from Salt Lake City, UT (SLC) to Idaho Falls, ID (IDA) will usually cost between $199 to $348 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $220. Due to high demand the most expensive time to fly is late May, with an average price of $308. Planning your trip to low-cost times can easily save you $87 on economy flights and even more on first-class flights. Generally, any price below $248 can be considered a good price for a round-trip SLC to IDA flight.

See below for a graph of average weekly prices for the SLC to IDA route. All prices are for round-trip tickets in USD.

SLC to IDA Flight Prices

Compared to other flights, the SLC to IDA flight is much cheaper than the average and costs much less than the average flight leaving from Salt Lake City. The average price per mile (for a direct flight) is $0.82, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $81 (28%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $209. Return trip prices are from the IDA to SLC flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SLC to IDA can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 19 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SLC to IDA while comparing.

Destination alternative #1: Pocatello Regional Airport (PIH) in Pocatello, ID

  • 49 miles (79 km) away from IDA
  • Usually 37.70% less expensive than IDA
  • Nonstop flights available

See SLC to PIH flights

Destination alternative #2: Joslin Field – Magic Valley Regional Airport (TWF) in Twin Falls, ID

  • 141 miles (227 km) away from IDA
  • Usually 24.80% less expensive than IDA
  • Nonstop flights available

See SLC to TWF flights

Destination alternative #3: Jackson Hole Airport (JAC) in Jackson, WY

  • 67 miles (108 km) away from IDA
  • Usually 16.13% less expensive than IDA
  • Nonstop flights available

See SLC to JAC flights

Destination alternative #4: Friedman Memorial Airport (SUN) in Sun Valley/Hailey/Ketchum, ID

  • 112 miles (180 km) away from IDA
  • Usually 5.65% less expensive than IDA
  • Nonstop flights available

See SLC to SUN flights


Flight Questions Answered

Still have questions about flying from SLC to IDA? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: Alaska, Delta, United, and potentially more during busy seasons.

How far away is it from Idaho Falls Regional Airport to Salt Lake City International Airport?

The distance between the two airports is roughly 188 miles or 303 kilometers.

How long does it take to fly from SLC to IDA?

The real-world flight time for a nonstop SLC to IDA flight is about 1 hour 19 minutes.

How many flights go between Salt Lake City, UT and Idaho Falls, ID?

It depends on the day of the week and the date, but a typical day might have around 51 available flights from SLC to IDA.


Airport Location Info


Departing Airport

Origination code SLC
Origination airport name Salt Lake City International Airport
City Salt Lake City, UT
Country the United States
Latitude 40.8
Longitude -112

Return Airport

Destination code IDA
Destination airport name Idaho Falls Regional Airport
City Idaho Falls, ID
Country the United States
Latitude 43.5
Longitude -112.1


Late and Early Flight Data

Flights from SLC to IDA tend to depart late almost never compared to the average flight. According to our recently updated data, 9% of flights departed 5 or more minutes late, and 17% of flights left 5 or more minutes early. On average you can expect to leave IDA heading for SLC about 1 minutes late. This does not significantly impact arrival time, as the average landing time in Idaho Falls, ID is about 10 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • SkyWest: 1 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.