Cheap flights from Denver to Idaho Falls from $131
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Idaho Falls departing on 10/29. 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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Fly from
Fly to
Route
Depart
Return
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 11/5
9:44 am-1:30 pm
1 stop27h 46m
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-8:22 am
2 stops12h 35m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 11/5
9:44 am-1:30 pm
1 stop27h 46m
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-9:48 am
1 stop14h 01m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Fri 11/6
9:10 am-7:34 pm
1 stop10h 24m
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-8:22 am
2 stops12h 35m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 10/29
10:44 pm-1:34 pm
1 stop14h 50m
Idaho Falls Fanning Field
Fri 10/30
8:28 pm-9:48 am
1 stop13h 20m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 1/14
10:29 pm-10:11 am
1 stop11h 42m
Idaho Falls Fanning Field
Mon 1/25
6:48 pm-12:13 am
1 stop5h 25m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 10/29
10:44 pm-1:34 pm
1 stop14h 50m
Idaho Falls Fanning Field
Fri 10/30
8:28 pm-8:22 am
2 stops11h 54m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Fri 11/6
9:10 am-7:34 pm
1 stop10h 24m
Idaho Falls Fanning Field
Mon 11/9
7:47 pm-12:42 pm
1 stop16h 55m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Mon 11/23
8:00 am-9:53 am
Nonstop1h 53m
Idaho Falls Fanning Field
Fri 11/27
5:30 pm-7:20 pm
Nonstop1h 50m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Thu 11/5
1:50 pm-3:38 pm
Nonstop1h 48m
Idaho Falls Fanning Field
Mon 11/9
5:30 pm-7:20 pm
Nonstop1h 50m
DenverIdaho Falls
DEN Denver Intl - IDA Idaho Falls Fanning Field
DENIDA
Denver Intl
Wed 12/16
11:55 am-1:37 pm
Nonstop1h 42m
Idaho Falls Fanning Field
Sat 12/19
7:00 am-8:46 am
Nonstop1h 46m
See travel insights to Idaho Falls from
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 typical price of a round-trip flight between Denver and Idaho Falls?
Prices are currently low for flights on this route.
Typical prices usually range from $279 to $424.The lowest price recently found on this route was $251.
What is the cheapest month to fly to Idaho Falls?
If you aren’t able to travel to Idaho Falls during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $279.
What is the cheapest day to depart on your flight to Idaho Falls?
Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $279. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $409.
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 in the afternoon. Flights from Denver to Idaho Falls during this time can be as low as $309. Try not to purchase tickets at noon because they tend to be around $379. 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
What cabin class options are available on Denver to Idaho Falls flights?
There are 2 cabin classes available to choose from on Denver to Idaho Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Denver to Idaho Falls flights?
No. A direct flight is the cheapest option for a flight between Denver to Idaho Falls.
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 October 2026. The most frequent departure time is 8:00AM, with 42% of daily flights leaving at noon.
How many flights depart from Denver to Idaho Falls on average per week?
As of October 2026, 31 flights take off from Denver 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.
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
Frequently asked questions about flying from Denver to Idaho Falls
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 October 2026, there is 1 operator 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 Embraer 175 (Enhanced Winglets), representing 24.76% of all bookings. The subsequent popular models are Embraer 170 at 24.29%, Canadair (Bombardier) Regional Jet CRJ-550 at 22.86%, and Airbus A320-100/200 at 10.00%.
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 100% of all bookings.
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 $189 | Free Cancellation | Rating 7.4 10,331 reviews |
United Airlines Flights From Denver to Idaho Falls
United Airlines flies from Denver to Idaho Falls around 31 times per week, with 10,331 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Denver to Idaho Falls in the last 72 hours was $189 (round-trip), much lower than the average airfare cost of $334 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.