Cheap flights from Idaho to Denver from $42
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Denver departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Idaho to Denver
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denver?
The cheapest month to fly to Denver from Idaho is in May. Flight prices, which tend to average around $254, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in May, then you should wait until February to fly from Idaho, when ticket prices are also cheap, with an average price of $277.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $467. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $571.
What is the cheapest time of day to depart on your flight to Denver?
The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $442. Flights in the evening are often more expensive with an average ticket price of $526.
What is the cheapest Idaho to Denver Intl flight route?
Fly from Idaho Falls Fanning Field to Denver Intl for the best Idaho - Denver Intl flight prices
How far in advance should I book a flight to Denver?
You are more likely to see cheaper flights to Denver from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $302 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Idaho for as low as $174 on momondo.
What cabin class options are available on Idaho to Denver Intl flights?
There are 4 cabin classes available to choose from on Idaho to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Idaho to Denver Intl?
Allegiant Air, United Airlines, and Frontier are the most popular carriers operating from Idaho to Denver Intl
What airlines fly to Denver?
United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Denver from Idaho according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from Idaho to Denver on average per day?
The number of flights available between Idaho and Denver is 38 per day as of July 2025. The most frequent departure time is 2:00PM, with 46% of daily flights leaving in the afternoon.
How many flights depart from Idaho to Denver on average per week?
269 flights are operational weekly from Idaho to Denver as of July 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
Cheap Idaho to Denver flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Denver
When did momondo last update prices for flights from Idaho to Denver Intl Airport?
Prices for flights from Idaho to Denver Intl Airport are updated daily.
How many operators does momondo search for flights from Idaho to Denver Intl Airport?
There are 6 operators available for flights from Idaho to Denver Intl Airport as of July 2025.
How old do you have to be to fly from Idaho to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Idaho to Denver?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Denver is Embraer 175 (Enhanced Winglets), representing 15.04% of all bookings. The subsequent popular models are Boeing 737-900 at 12.23%, Boeing 737-800 at 12.08%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 9.86%.
Best airlines flying from Idaho to Denver
Compare and see reviews for airlines that fly from Idaho to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $43 | Free Cancellation | Rating 7.2 706 reviews | |||
| PriceFrom $59 | Free Cancellation | Rating 5.9 3,273 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 8.0 7,962 reviews | |||
| PriceFrom $154 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 7.4 8,844 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 8.0 4,258 reviews |
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho to Denver?
It is quick and easy to find Idaho to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.
Can I find flights from Idaho to Denver with flexible booking policies on momondo?
All flight searches from Idaho to Denver on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Idaho to Denver?
Once all potential Idaho to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Idaho to Denver right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Idaho to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.