Cheap flights from Idaho Falls to Denver

Idaho Falls
IDA
Denver
DEN

Flight deals from Idaho Falls to Denver

Below you can see the best deals on flights Idaho Falls — Denver 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 15 September, from $162.

Top 10 cheap flights from Idaho Falls to Denver

AS
AS
F9
$ 162

Idaho Falls — Denver

15:57—09:35
15 Sep 2026
17 h 38 m
2 stops
AS
AS
F9
$ 162

Idaho Falls — Denver

15:57—09:35
15 Sep 2026
17 h 38 m
2 stops
AS
AS
F9
$ 162

Idaho Falls — Denver

15:57—15:07
15 Sep 2026
23 h 10 m
2 stops
AS
AS
F9
$ 162

Idaho Falls — Denver

15:57—15:07
15 Sep 2026
23 h 10 m
2 stops
AS
AS
F9
$ 171

Idaho Falls — Denver

15:57—09:32
15 Sep 2026
17 h 35 m
2 stops
AS
AS
F9
$ 171

Idaho Falls — Denver

15:57—09:32
15 Sep 2026
17 h 35 m
2 stops
AS
AS
F9
$ 171

Idaho Falls — Denver

15:57—17:32
15 Sep 2026
25 h 35 m
2 stops
AS
AS
F9
$ 171

Idaho Falls — Denver

15:57—17:32
15 Sep 2026
25 h 35 m
2 stops
AS
AS
F9
$ 174

Idaho Falls — Denver

15:57—09:35
15 Sep 2026
17 h 38 m
2 stops
AS
AS
F9
$ 174

Idaho Falls — Denver

15:57—09:35
15 Sep 2026
17 h 38 m
2 stops

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

About the Idaho Falls — Denver flight

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

The route has direct flights — around 60 flights per week, flights are operated by United Airlines, a nonstop flight takes about 1 h 48 min, the distance between the cities is around 720 km.

Planning your trip? You may find our Denver travel guide, how to get from the airport into town and Denver 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 $162Min. price
SeptemberCheapest
JulyPeak season
YesDirect flights
720 kmDistance
1 h 48 minTravel time
1Airlines
60 / wkFlights

Flight schedule from Idaho Falls to Denver

The table shows direct flights from Idaho Falls to Denver on the selected date. The flight takes approximately 1 h 48 min. Regular flights are operated by United Airlines. Departures from Idaho Falls Regional Airport airports, arrivals at Denver International Airport and Centennial 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: 16 Aug 2026

Flight ticket prices by day: Idaho Falls — Denver

Below is a calendar of the lowest flight ticket prices for Idaho Falls — Denver by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $162 in September, and the most expensive are around $279 in July. 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 Idaho Falls to Denver by month. Tickets are usually cheapest in March (around $122) and priciest in December (about $179) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$146mediumMay$127lowSep$137medium
Feb$169highJun$165highOct$141medium
Mar$122lowJul$174highNov$174high
Apr$132lowAug$151mediumDec$179high

Some values are estimated based on seasonality.

When to fly

Weather in Denver: it is warmest in July (up to 31 °C on average) and coolest in January (around 6 °C). The driest month is November.

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

Temperature · Denver

Dry and wet days · Denver

Wind speed and direction · Denver

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 Idaho Falls — Denver ticket

  • Book ahead: fares for Idaho Falls — Denver 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.
  • The cheapest month to fly to Denver 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 Idaho Falls — Denver 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
    20x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IDA → DEN20x/week
      Duration
      1h 50m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Idaho Falls — Denver route

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

Departure

Idaho Falls

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

Denver

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

Interesting articles about Denver

Did you know that some airports have beds?Interesting

Did you know that some airports have beds?

Did you know that some airports have beds? They are intended for passengers whose flights were canceled due to bad weather or other force majeure circumstances. These unfortunate travelers are offered…

The World’s Largest CitiesInteresting

The World’s Largest Cities

If you prefer non-stop action to quiet solitude somewhere by the sea or in the mountains—this article is for you. We’ve already told you about the oldest cities in the world, and now it’s time to delv…

Filming Locations for Game of Thrones Season 8Tips for Travelers

Filming Locations for Game of Thrones Season 8

The agonizing wait will soon be over—the final season of “Game of Thrones” is about to be released. Even if you’re not familiar with ice and fire, only watched a couple of episodes of the first season…

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…

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…

I’m fine with it: places for solo travelTips for Travelers

I’m fine with it: places for solo travel

A solo trip is not a sentence, but a gift. It’s not always possible to find a travel companion, but you shouldn’t postpone a trip to your dream city because of it. Everyone should try traveling alone…

Frequently asked questions about the Idaho Falls — Denver flight

How long is the flight from Idaho Falls to Denver?

A nonstop Idaho Falls — Denver flight takes about 1 h 48 min — the distance between the cities is around 720 km.

How far is it from Idaho Falls to Denver?

The distance from Idaho Falls to Denver is about 720 km, which a nonstop flight covers in around 1 h 48 min.

Are there direct flights from Idaho Falls to Denver?

Yes, there are nonstop flights Idaho Falls — Denver — around 60 flights per week.

Which airlines fly from Idaho Falls to Denver?

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

Which airports do Idaho Falls — Denver flights use?

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

How much is a ticket from Idaho Falls to Denver?

The price of a Idaho Falls — Denver ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in July. Tickets typically cost between $162 and $279. Check the current lowest fare and low-price calendar on this page.

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

Flights Idaho Falls — Denver 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 Idaho Falls to Denver?

To catch a low fare Idaho Falls — Denver, 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 Idaho Falls

See all
SeattleSalt Lake CityDallasPortlandChicagoPhoenixMissoulaTri-CitiesRenoRapid CityGreat FallsLas VegasManhattanCheyenne

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

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 .