Cheap flights from Denver to Idaho Falls

Denver
DEN
Idaho Falls
IDA

Flight deals from Denver to Idaho Falls

Below you can see the best deals on flights Denver — Idaho Falls for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 24 September, from $173.

Top 10 cheap flights from Denver to Idaho Falls

F9
AS
AS
$ 172

Denver — Idaho Falls

22:44—13:24
24 Sep 2026
38 h 40 m
2 stops
F9
AS
AS
$ 173

Denver — Idaho Falls

22:29—13:24
24 Sep 2026
38 h 55 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

22:44—12:15
22 Sep 2026
13 h 31 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

22:44—18:17
22 Sep 2026
19 h 33 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

13:10—12:15
22 Sep 2026
23 h 5 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

13:10—18:17
22 Sep 2026
29 h 7 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

09:05—18:17
23 Sep 2026
9 h 12 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

13:10—22:22
15 Sep 2026
9 h 12 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

22:44—22:22
14 Sep 2026
23 h 38 m
2 stops
F9
DL
DL
$ 181

Denver — Idaho Falls

13:10—22:22
14 Sep 2026
33 h 12 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Denver — Idaho Falls flight

Looking for cheap flights from Denver to Idaho Falls? Compare fares from different airlines, check the flight schedule and travel time — and book your Denver — Idaho Falls ticket online at the best price.

The route has direct flights — around 58 flights per week, flights are operated by United Airlines, a nonstop flight takes about 1 h 40 min, the distance between the cities is around 720 km.

Planning your trip? You may find our Idaho Falls travel guide, how to get from the airport into town and Idaho Falls weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $173Min. price
SeptemberCheapest
AugustPeak season
YesDirect flights
720 kmDistance
1 h 40 minTravel time
1Airlines
58 / wkFlights

Flight schedule from Denver to Idaho Falls

The table shows direct flights from Denver to Idaho Falls on the selected date. The flight takes approximately 1 h 40 min. Regular flights are operated by United Airlines. Departures from Denver International Airport and Centennial Airport airports, arrivals at Idaho Falls Regional Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Denver — Idaho Falls

Below is a calendar of the lowest flight ticket prices for Denver — Idaho Falls by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $173 in September, and the most expensive are around $285 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Average one-way fares from Denver to Idaho Falls by month. Tickets are usually cheapest in April (around $210) and priciest in July (about $336) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$252mediumMay$222lowSep$258medium
Feb$312highJun$264mediumOct$216low
Mar$216lowJul$336highNov$330high
Apr$210lowAug$324highDec$276medium

Some values are estimated based on seasonality.

When to fly

Weather in Idaho Falls: it is warmest in July (up to 32 °C on average) and coolest in January (around 0 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Idaho Falls

Dry and wet days · Idaho Falls

Wind speed and direction · Idaho Falls

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Denver — Idaho Falls ticket

  • Book ahead: fares for Denver — Idaho Falls are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Denver is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Idaho Falls is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Denver — Idaho Falls route are operated by 1 airline; United Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    19x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight DEN → IDA19x/week
      Duration
      1h 43m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Denver — Idaho Falls route

Flights Denver — Idaho Falls depart from Denver International Airport and Centennial Airport and arrive at Idaho Falls Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Denver

DEN
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Idaho Falls

IDA
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

Interesting articles about Idaho Falls

Road Trip in Iceland: Routes, Budget, TipsTravel Ideas

Road Trip in Iceland: Routes, Budget, Tips

Hooray, we’re off to Iceland to see puffins, walk among fjords and volcanoes. However, before traveling, you need to learn quite a lot of details about the country to make the trip enjoyable. We’ve fi…

How and Where to Meet Locals While TravelingTips for Travelers

How and Where to Meet Locals While Traveling

Traveling alone? No reason to be sad. Cast aside all doubts and fears, but don’t turn off your common sense. We’ll help you find not just a travel companion, but also a guide. And maybe even a new goo…

Free Public Transport AbroadUseful information

Free Public Transport Abroad

How to get around abroad is always a tricky question. Some simply buy a day pass and spare no expense, while others prefer to walk to avoid spending extra money on “it’s only a ten-minute walk!”. But…

Heading to a ski resort: what to take to the mountains?Useful information

Heading to a ski resort: what to take to the mountains?

The start of the ski season is just around the corner. Experienced tourists booked hotels and flights back in September-October and are already starting to prepare their gear. It’s harder for beginner…

Interesting

Top Cosmodrome Tours

USA Cape Canaveral and Kennedy Space Center The Kennedy Space Center is one of the world’s main spaceports. A rocket park and a museum complex with space attractions are open to visitors, however, mos…

How not to go broke on roaming abroadTips for Travelers

How not to go broke on roaming abroad

When traveling, you always want to stay connected, be able to call your family to say that you’ve arrived safely, check in on Foursquare, or send a beautiful photo to Instagram. But upon returning hom…

Frequently asked questions about the Denver — Idaho Falls flight

How long is the flight from Denver to Idaho Falls?

A nonstop Denver — Idaho Falls flight takes about 1 h 40 min — the distance between the cities is around 720 km.

How far is it from Denver to Idaho Falls?

The distance from Denver to Idaho Falls is about 720 km, which a nonstop flight covers in around 1 h 40 min.

Are there direct flights from Denver to Idaho Falls?

Yes, there are nonstop flights Denver — Idaho Falls — around 58 flights per week.

Which airlines fly from Denver to Idaho Falls?

Airlines operating Denver — Idaho Falls include United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Denver — Idaho Falls flights use?

Flights from Denver depart from Denver International Airport, Centennial Airport, and arrive at Idaho Falls Regional Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Denver to Idaho Falls?

The price of a Denver — Idaho Falls ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in August. Tickets typically cost between $173 and $285. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Denver — Idaho Falls?

Flights Denver — Idaho Falls are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Denver to Idaho Falls?

To catch a low fare Denver — Idaho Falls, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Denver

See all
Los AngelesSeattlePhoenixNew York CitySalt Lake CitySan DiegoDallasLas VegasMinneapolisChicagoHoustonAtlantaPortlandAustinColorado SpringsSan FranciscoWashington, D.C.OrlandoKansas CityNashvilleSanta AnaDetroitOklahoma CityAspenRapid CityMiamiPhiladelphiaSacramentoAlbuquerqueSt. LouisBostonWichitaSan JoseBoiseMidlandCharlotteGrand JunctionOmahaTulsaSan Antonio

Where else you can fly from Idaho Falls

See all
SeattleSalt Lake CityDallasPortlandChicagoPhoenixMissoulaTri-CitiesRenoRapid CityGreat FallsLas VegasManhattanCheyenne

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .