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Flights from Idaho Falls to Denver
Flight deals from Idaho Falls to Denver
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstopIDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 10 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Thu, Jul 17 | Allegiant Air£69 £15355% OFF55% OFF£153 £69
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jun 26 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Sun, Jun 29 | Allegiant Air£69 £15355% OFF55% OFF£153 £69
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Sun, Jul 13 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Sun, Jul 20 | Allegiant Air£69 £15355% OFF55% OFF£153 £69
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 3 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Sun, Jul 6 | Allegiant Air£7154% OFF£153 £71
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 24 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Thu, Jul 31 | Allegiant Air£7254% OFF£153 £72
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jun 19 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Thu, Jun 26 | Allegiant Air£7253% OFF£153 £72
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 17 | Allegiant AirDEN 15:201h 44mDirectIDA 17:04Denver - Idaho Falls | Thu, Jul 24 | Allegiant Air£7551% OFF£153 £75
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IDA 06:003h 24m1 stopsDEN 09:24Idaho Falls - Denver | Thu, Jul 10 | Delta Air LinesDEN 05:305h 4m1 stopsIDA 10:34Denver - Idaho Falls | Tue, Jul 15 | Delta Air Lines£1446% OFF£153 £144
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IDA 06:003h 24m1 stopsDEN 09:24Idaho Falls - Denver | Fri, Jul 11 | Delta Air LinesDEN 05:305h 4m1 stopsIDA 10:34Denver - Idaho Falls | Wed, Jul 16 | Delta Air Lines£1446% OFF£153 £144
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IDA 06:003h 24m1 stopsDEN 09:24Idaho Falls - Denver | Thu, Aug 7 | Delta Air LinesDEN 05:454h 54m1 stopsIDA 10:39Denver - Idaho Falls | Thu, Aug 14 | Delta Air Lines£1446% OFF£153 £144
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IDA 13:0017h 25m1 stopsDEN Invalid DateIdaho Falls - Denver | Mon, Jun 16 | Normal AirlineDEN 15:006hDirectIDA 16:00Denver - Idaho Falls | Wed, Jun 18 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopIDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Sun, Jul 13 | Allegiant Air£39 £29887% OFF87% OFF£298 £39
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IDA 17:521h 48mDirectDEN 19:40Idaho Falls - Denver | Sun, Jun 15 | Allegiant Air£39 £29887% OFF87% OFF£298 £39
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Sun, Jun 22 | Allegiant Air£39 £29887% OFF87% OFF£298 £39
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jun 26 | Allegiant Air£3987% OFF£298 £39
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 24 | Allegiant Air£3987% OFF£298 £39
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jul 17 | Allegiant Air£4286% OFF£298 £42
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Thu, Jun 19 | Allegiant Air£4286% OFF£298 £42
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IDA 17:491h 48mDirectDEN 19:37Idaho Falls - Denver | Sun, Jul 6 | Allegiant Air£4884% OFF£298 £48
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IDA 15:044h 51m1 stopsDEN 19:55Idaho Falls - Denver | Wed, Jul 30 | Delta Air Lines£11960% OFF£298 £119
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IDA 18:553h 21m1 stopsDEN 22:16Idaho Falls - Denver | Fri, Jun 20 | Delta Air Lines£2806% OFF£298 £280
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IDA 13:0017h 25m1 stopsDEN Invalid DateIdaho Falls - Denver | Mon, Jun 16 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Idaho Falls to Denver
Cheapest one-way flight price | £38 |
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Cheapest return ticket price | £68 |
Off-season travel month | March |
Peak season for travel | May |
Flight distance | 736.28km |
Average flight time | 1 hour 45 minutes |
Popular airline | Alaska Airlines |
Find the best time to fly from Idaho Falls to Denver
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Idaho Falls (IDA) to Denver (DEN) the cheapest?
Airlines adjust prices for flights from Idaho Falls to Denver based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Idaho Falls (IDA) to Denver (DEN) cost?
According to Trip.com's data, the lowest price is around £423. -
How long is the flight from Idaho Falls (IDA) to Denver (DEN)?
It takes about 1 hour 45 minutes to fly from Idaho Falls (IDA) to Denver (DEN). -
What are the most popular airlines that fly from Idaho Falls (IDA) to Denver (DEN)?
Airlines with flights from Idaho Falls (IDA) to Denver (DEN): United Airlines, Allegiant Air and Copa Airlines. -
How many airports in Denver (DEN)?
There are 2 airport(s) in Denver (DEN): Rocky Mountain Metropolitan Airport and Denver International Airport.
How to find a cheap flight from Idaho Falls to Denver
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Idaho Falls to Denver. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Idaho Falls to Denver.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Idaho Falls to Denver over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sun, Jul 13, with one-way flights priced at just £39.
Compare cheap flight deals from Idaho Falls to Denver across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Idaho Falls to Denver. The cheapest airline for this route is Allegiant Air.
Set up a Price Alert
By setting up a Price Alert for your journey from Idaho Falls to Denver, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Idaho Falls to Denver.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Idaho Falls to Denver and snag some exclusive deals just for you.
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