Direct Flights from Denver to Idaho Falls
Nonstop service from DEN to IDA on Allegiant, United. Here's the schedule at a glance — plus what to do once you land.
How rare is this nonstop?
Only 11 cities have a nonstop to Idaho Falls, so this is a route worth knowing about — most travelers connect to get there.
How long to go to Idaho Falls for, from Denver
1h 25m in the air, 457 miles: short enough that a single night in Idaho Falls is worth it, and a day trip is not absurd.
With roughly 5 departures a day, you are not tied to one flight: if a meeting overruns or the weather turns, there is another one behind it.
About Idaho Falls
Idaho Falls is a city in Eastern Idaho. Idaho Falls serves as the commercial, cultural, and healthcare hub for Eastern Idaho. The city attracts many tourists visiting nearby Yellowstone and Grand Teton National Parks, Jackson Hole, and fishing on the Snake River. Due to its proximity to high-profile outdoor destinations, in 2009, Idaho Falls was named to National Geographic's list of the "100 Best Adventure Towns".
Summary from Wikivoyage (CC BY-SA).
Top things to do in Idaho Falls
- The Idaho Potato Museum is a museum devoted to the potato, located in Blackfoot, Idaho.
- The Museum of Idaho (MOI) is a history and science museum in downtown Idaho Falls, Idaho.
- Kelly Canyon is an alpine ski area in eastern Idaho, in the Targhee National Forest.
- Tautphaus Park is a city park located in Idaho Falls, Idaho encompassing 84.5 acres.
- Funland Amusement Park, commonly known as Funland, is a small amusement park located in Idaho Falls, Idaho, United States.
- The Legacy Flight Museum is an aviation museum located at the Rexburg–Madison County Airport in Rexburg, Idaho.
- The Idaho Falls Public Library, at Elm and Eastern Streets in Idaho Falls, Idaho, was built in 1916 as a Carnegie library and was expanded later. The library operated here until 1977 when it moved a few blocks away.
Attraction descriptions from Wikipedia (CC BY-SA); place data from Wikidata (CC0).
Idaho Falls weather, compared with Denver
8° cooler than Denver on average across the year, on daytime highs:
- January
- Idaho Falls 27°F · Denver 45°F · 17° colder
- April
- Idaho Falls 58°F · Denver 61°F · 4° colder
- July
- Idaho Falls 87°F · Denver 90°F · 3° colder
- October
- Idaho Falls 58°F · Denver 65°F · 7° colder
January bottoms out near 27°F — a real coat, not a layer. Idaho Falls also swings harder through the year than Denver does — 59° between its coldest and warmest months against 46°.
Average daily highs, 1991–2020 station normals from Meteostat (CC BY 4.0), measured at each city's airport.
Planning a trip to Idaho Falls
- Best time to visit
- The best time to visit Idaho Falls is May–June and September, when daytime highs are a comfortable 66–75°F.
- How long to stay
- Three or four days is enough to take in Idaho Falls's highlights, from Idaho Potato Museum, Museum of Idaho, and Kelly Canyon and more.
Frequently asked questions
- Is there a direct flight from Denver to Idaho Falls?
- Yes — you can fly nonstop from Denver (DEN) to Idaho Falls (IDA) on Allegiant, United.
- Which airlines fly nonstop from Denver to Idaho Falls?
- Allegiant, United fly nonstop between Denver (DEN) and Idaho Falls (IDA). Allegiant flies it May to August only.
- How many nonstop flights are there from Denver to Idaho Falls?
- There are about 5 nonstop departures per day (roughly 35 per week) from Denver to Idaho Falls.
- How far is Idaho Falls from Denver?
- Idaho Falls is about 457 miles from Denver by air.
- What is there to do in Idaho Falls?
- Popular things to do include Idaho Potato Museum, Museum of Idaho, Kelly Canyon, Tautphaus Park, and more.
More nonstop destinations from Denver near Idaho Falls
Airports near Denver
The closest other departure airports to Denver — each opens up more nonstop destinations.