Cheap flights from Colorado to Idaho Falls from $119
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Idaho Falls departing on 7/3. 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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Allegiant Air flights from Colorado to Idaho Falls
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How to get the cheapest flight ticket from Colorado to Idaho Falls
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 Idaho Falls?
If you aren’t able to travel to Idaho Falls during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $288.
What is the cheapest day to depart on your flight to Idaho Falls?
Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $298. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $427.
What is the cheapest time of day to depart on your flight to Idaho Falls?
Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Colorado to Idaho Falls during this time can be as low as $309. Try not to purchase tickets in the evening because they tend to be around $389. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Colorado to Idaho Falls Fanning Field flight route?
Fly from Denver Intl to Idaho Falls Fanning Field for the best Colorado - Idaho Falls Fanning Field flight prices
How far in advance should I book a flight to Idaho Falls?
You are more likely to see cheaper flights to Idaho Falls from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho Falls for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho Falls from Colorado for as low as $131 on momondo.
What cabin class options are available on Colorado to Idaho Falls Fanning Field flights?
There are 3 cabin classes available to choose from on Colorado to Idaho Falls Fanning Field 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 Colorado to Idaho Falls Fanning Field?
Hawaiian Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Colorado to Idaho Falls Fanning Field
What airlines fly to Idaho Falls?
United Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Idaho Falls from Colorado according to our data. United Airlines is the first choice among our users, with 92% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.
How many flights depart from Colorado to Idaho Falls on average per day?
The number of flights available between Colorado and Idaho Falls is 5 per day as of June 2025. The most frequent departure time is 9:00PM, with 45% of daily flights leaving in the evening.
How many flights depart from Colorado to Idaho Falls on average per week?
As of June 2025, 38 flights take off from Colorado and land in Idaho Falls each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.
Cheap Colorado to Idaho Falls flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Colorado to Idaho Falls
Best Price Found | $169 |
|---|---|
Fastest flight time | 1h 40m |
Direct flights | Every day |
Airports in Idaho Falls | 1 airport |
When did momondo last update prices for flights from Colorado to Idaho Falls Fanning Field Airport?
Prices for flights from Colorado to Idaho Falls Fanning Field Airport refresh daily.
How many operators does momondo search for flights from Colorado to Idaho Falls Fanning Field Airport?
There are 2 operators available for flights from Colorado to Idaho Falls Fanning Field Airport as of June 2025.
How old do you have to be to fly from Colorado to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Idaho Falls?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Idaho Falls is Canadair (Bombardier) Regional Jet, representing 33.33% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 28.43%, Airbus A320-100/200 at 17.16%, and Embraer 175 (Enhanced Winglets) at 14.22%.
Best airlines flying from Colorado to Idaho Falls
Compare and see reviews for airlines that fly from Colorado to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $42 | Free Cancellation | Rating 7.3 722 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Colorado to Idaho Falls?
It is quick and easy to find Colorado to Idaho Falls 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 Idaho Falls that suits you.
Can I find flights from Colorado to Idaho Falls with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho Falls from Colorado which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Colorado to Idaho Falls?
momondo provides multiple filters to help you find the best flight to Idaho Falls from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Colorado to Idaho Falls right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Colorado to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.