Cheap flights from Denver to Idaho Falls from $89
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Idaho Falls departing on 7/17. 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 Denver 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 April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $299.
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 $308. 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 $499.
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 Denver 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 $399. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Denver Intl to Idaho Falls Fanning Field flight route?
Fly from Denver Intl to Idaho Falls Fanning Field for the best Denver Intl - 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 Denver when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Idaho Falls for around $371 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho Falls from Denver for as low as $131 on momondo.
What cabin class options are available on Denver Intl to Idaho Falls Fanning Field flights?
There are 1 cabin classes available to choose from on Denver Intl 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 Denver Intl to Idaho Falls Fanning Field?
Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Denver Intl 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 Denver 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 Denver to Idaho Falls on average per day?
The number of flights available between Denver and Idaho Falls is 4 per day as of April 2025. The most frequent departure time is 7:00AM, with 52% of daily flights leaving at noon.
How many flights depart from Denver to Idaho Falls on average per week?
As of April 2025, 28 flights take off from Denver and land in Idaho Falls each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Denver to Idaho Falls
Cheap Denver to Idaho Falls (DEN to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Idaho Falls
Best Price Found | $177 |
|---|---|
Fastest flight time | 1h 41m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Idaho Falls | 1 airport |
How far is Denver Intl to Idaho Falls Fanning Field by plane?
There are 445.5 mi between Denver Intl and Idaho Falls Fanning Field. By plane, this route typically takes 1h 42m.
When did momondo last update prices for flights from Denver Intl Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Denver Intl Airport to Idaho Falls Fanning Field Airport were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Idaho Falls Fanning Field Airport?
As of April 2025, there are 2 operators available to choose from for flights from Denver Intl Airport to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Denver Intl Airport to Idaho Falls Fanning Field Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Idaho Falls?
momondo data reveals that the most frequently booked plane model on the route from Denver to Idaho Falls is Canadair (Bombardier) Regional Jet, representing 31.91% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 26.06%, Canadair (Bombardier) Regional Jet 700 at 26.06%, and Airbus A320-100/200 at 6.91%.
What is the most popular airline from Denver to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from Denver to Idaho Falls is United Airlines, representing 96% of all bookings. The subsequent popular airline is Allegiant Air at 4%.
Best airlines flying from Denver to Idaho Falls
Compare and see reviews for airlines that fly from Denver to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $42 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 7.4 8,667 reviews |
United Airlines Flights From Denver to Idaho Falls
United Airlines flies from Denver to Idaho Falls around 28 times per week, with 8,667 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Denver to Idaho Falls in the last 72 hours was $249 (round-trip), much lower than the average airfare cost of $369 for United Airlines flights on this route.
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 Denver to Idaho Falls?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Idaho Falls. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Denver to Idaho Falls with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Denver to Idaho Falls flights to just show those with flexible booking policies.
How can momondo help me find flights from Denver to Idaho Falls?
Once all potential Denver to Idaho Falls 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 Denver to Idaho Falls right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Denver to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.