Cheap Flights from Idaho Falls to Denver

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Flight deals from Idaho Falls to Denver

Looking for a cheap last-minute deal or the best return flight from Idaho Falls to Denver? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Idaho Falls to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to Denver flights are currently cheapest in January.

Direct flights from Idaho Falls to Denver

Alternative Idaho Falls to Denver routes

Looking for the cheapest, fastest or easiest route from Idaho Falls to Denver? You could fly into the following airports instead.

Idaho Falls to Denver: Flight information

The things to know before you go.
Cheapest flight foundRs37,229
Cheapest month to flyJanuary
Average flight time1 hr, 54 mins
Most popular airlineUnited
Average flights per week62

Finding cheap flights from Idaho Falls to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Idaho Falls to Denver is Rs52,898. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 54 minutes is the average flight time from Idaho Falls to Denver.
United, SkyWest Airlines and Copa fly direct from Idaho Falls to Denver.
As of December 2025, there are 62 flights per week flying from Idaho Falls to Denver.
The cheapest month to fly from Idaho Falls to Denver is usually January.
If you're flying from Idaho Falls Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from Rs52,898.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to Denver on Friday, 30 January 2026.
Yes – the average flight time is 1 hour and 54 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In December, the average temperature is usually around -1°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, United offers the cheapest flight tickets to Denver.

Travelling from Idaho Falls Regional Airport (IDA) to Denver: what you need to know

  • The average length of a direct flight from Idaho Falls Regional Airport to Denver is 1 hour 45 minutes.

  • Denver's timezone is UTC-6, which is the same as Idaho Falls (the location of Idaho Falls Regional Airport).

  • With 33 flights a week between the two airports, Idaho Falls Regional Airport (IDA) to Denver International Airport (DEN) is the most popular route. United Airlines operates the earliest flight at 05:00. If you prefer to make the most of your day before leaving, the last departure from IDA to DEN is with United Airlines at 17:58.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your IDA to Denver flight.

  • Taking off during a peak period like a bank holiday? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • Begin your journey at IDA and fly nonstop to Denver International Airport (DEN). That will be your arrival point when searching for Idaho Falls Regional Airport to Denver tickets.

  • Book your ticket with United Airlines. This popular carrier offers direct flights from Idaho Falls Regional Airport to Denver.

  • Located around 3 kilometres from the centre of Idaho Falls, IDA can be reached in about 10 minutes by car. The journey on public transport will take roughly 1 hour.

  • In search of a hotel close to IDA? If you're boarding an early flight from Idaho Falls Regional Airport to Denver, these accommodation options put the terminal practically at your doorstep:

  • Idaho Falls Regional Airport maintains a strong on-time performance, so you're less likely to experience disruptions. Departures from IDA arrive on schedule 80.03% of the time.

  • IDA is located at 2140 North Skyline.

How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to Denver

  • Rs37,229 is currently the lowest price for a one-way Idaho Falls Regional Airport to Denver flight. A return flight ticket starts at Rs52,898. These fares can change based on availability and demand.

  • Book two months before you travel. Research on pricing trends suggests this is the ideal window for finding cheap flights from IDA to Denver.

  • The best month for picking up cheap Idaho Falls Regional Airport to Denver tickets is June. Use the 'Whole month' tool to compare prices, then select the dates offering the lowest fares.

  • There's no need to keep looking every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as there's an updated deal for cheap flights from IDA to Denver.

  • Choose your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Idaho Falls Regional Airport to Denver by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 40 kilometres. It takes around 35 minutes to reach the centre driving.

  • Travelling on public transport typically takes 1 hour 30 minutes.

  • Once your flight from Idaho Falls Regional Airport to Denver has landed, unwind at a hotel close by. Baymont by Wyndham Denver International Airport is a convenient option that's a quick drive from DEN.

  • Travel at your own pace with a Denver International Airport rental car. Book your wheels from Routes Car Rentals, Dollar or Budget and venture far and wide through Denver and beyond.

  • Lock in the best rate by booking your vehicle from Denver International Airport about one week in advance of your flight from IDA to Denver.

  • The street address for DEN is 8500 Pena Boulevard.

Best time to go to Denver

  • Carefully consider your travel dates before locking in your flight from Idaho Falls Regional Airport to Denver. The city buzzes during high season, but hotel prices are usually higher and attractions can get crowded. Visit Denver in the low season for a more relaxed vibe.

  • Book an Idaho Falls Regional Airport to Denver flight ticket with a departure in July if you want to experience the city during its warmest month. You can expect temperatures to range from 14ºC to 32ºC.

  • Look for cheap tickets from IDA to Denver in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -9ºC and 7ºC on average.

More about Denver

Explore more of United States

  • Denver is always a good idea, but there are so many other corners of United States waiting to be discovered. Around 105 kilometres south of Denver, a visit to Colorado Springs will fill your itinerary to the brim. Start with attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 161 kilometres south of Denver, Pueblo is another favourite stop in United States. Experience major highlights starting with Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.