Route guide · 188 miles
Cheap Flights from Salt Lake City to Idaho Falls
SLC → IDA · Nonstop 0h 53m · Live round-trip fares
If Idaho Falls is next on your list, here's the honest picture on fares from Salt Lake City. The trip covers about 188 miles and takes roughly 0h 53m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for SLC → IDA are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
0h 53m
Nonstop, typical
Distance
188 mi
SLC → IDA
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Delta Air Lines
Nonstop flights from Salt Lake City to Idaho Falls
Nonstop service links Salt Lake City and Idaho Falls directly — flights are flown by Delta Air Lines. Expect roughly 0h 53m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: Salt Lake City → Idaho Falls
- Distance: 188 miles · nonstop flight time: 0h 53m.
- Cheapest upcoming week in the live data starts around Oct 22, with fares from $409.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
Cheapest month · Salt Lake City → Idaho Falls
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$409
Cheapest: Fri, Oct 23 — $409
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Salt Lake City to Idaho Falls: what you need to know
The flight
Salt Lake City to Idaho Falls is a short hop — 188 miles, about 0h 53m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
Delta Air Lines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Salt Lake City (SLC)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Salt Lake City airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Idaho Falls (IDA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Idaho Falls airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Idaho Falls to Salt Lake City fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 188 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 0h 53m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
Salt Lake City to Idaho Falls flight FAQs
How long is the flight from SLC to IDA?
Plan on about 0h 53m in the air for a nonstop from Salt Lake City to Idaho Falls — the route runs roughly 188 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from Salt Lake City to Idaho Falls?
Yes — look for Delta Air Lines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Salt Lake City to Idaho Falls?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from SLC to IDA?
Book inside the final week and you'll usually pay a premium on SLC to IDA. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from Salt Lake City to Idaho Falls?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Salt Lake City to Idaho Falls?
The main carriers on this route are Delta Air Lines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Salt Lake City airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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