$54 Find Cheap Flights from Idaho to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Colorado departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Low season

January

High season

July

Cheapest flight

$54
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Boise to Denver

FAQs for booking flights from Idaho to Colorado

  • How does KAYAK find such low prices on flights from Idaho to Colorado?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Colorado.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Colorado?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Colorado?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Idaho to Colorado with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Colorado?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Idaho to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Idaho to Colorado

Need help choosing which airline to fly with from Idaho to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
SouthwestOverall score based on 4396 reviews
8.2Boarding
8.1Comfort
7.6Entertainment
8.7Crew
7.1Food
Airline reviews

Gate agents were informative and friendly… flight attendants were as well. Had a fun time chatting about their legacy AirTran experiences as a former fan of the airline that Southwest acquired.

10.0 ExcellentAnonymous, Jan 2025ATL - LGA
Read more Southwest reviews

Gate agents were informative and friendly… flight attendants were as well. Had a fun time chatting about their legacy AirTran experiences as a former fan of the airline that Southwest acquired.

Flight was awfully bumpy and landing was a bit jolting. I was in the restroom when snacks and drinks were served and was not asked if i wanted any. I had to ask for water finally.

Wi Fi was horrible kept cutting out the whole time and too expensive

I really like open seating. I hate that I've heard this is going away. This is one of the unique things that makes Southwest my goto choice.

Boarding was a little late, but made up for it. It was quick to taxi to the runway, since it's a smallish airport.

Excellent! Only question is how we check in at exactly 24 hours in advance and end up at the end of the B boarding group

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

For the first time in a long time we had a flawless experience with Southwest. Both flights were early and no mechanical errors at all. We were shocked and pleasantly surprised 😮.

One of the crew performed a hilarious skit to accompany the standard instructions. Passengers enjoyed it so much they applauded at the end!

It was really nice! I appreciate the gate attendant allowing families with small children to board early on in the process… that was very helpful! The internet service didn’t work with the app I was trying to use even though I paid the $8… other than that it was great! Oh and I should’ve asked for the whole cranberry cocktail can. That cup was about 2 sips…

We had to cancel and we’re treated fairly with 100%refund quickly

Staff was great. Flight was cramped, and flight to Spokane was delayed.

I would fly again. My trip from Newark to Seattle had a 3 hr delay. Disappointed.

It was a very smooth fast flight, crew was prompt and comforting. Alaska airlines are the best.

The flight itself was okay, but there were 2 screaming kids in front of me my entire flight which made it just awful. The parent did zero to try and make the children settle down and flight attendants did nothing either. I understand it's hard to travel with children, but constantly yelling, screaming, or loud talking for 4 hours straight is just ridiculous.

There was an issue with water that led to us not having potable water onboard. They dumped the onboard water and we were two hours late taking off.

All good. Great food and entertainment when there isn’t any on a one hour flight

Boarding for Alaska Airlines is always chaotic with many people crowding the gates. Arriving in on Alaska in Los Angeles is always interesting since there is never a gate available. So the planes are often parked all the way out on the west side of the airport while waiting for the gate to be cleared of the departing plane. This flight was no exception.

Flight was delayed about 45 min and they never offered an explanation. Peruse, staff were friendly and competent and the flight was safe.

It was a really smooth flight. I hate heights. All made it feel smooth. Thankyou

Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons

I loved having a most black flight crew during Black History Month; rather by design or accident I appreciated the representation. ❤️

This was the second flight this week with flight attendant Marcus I’m not sure if his last name is Lane or Lang but this guy is awesome. He funny, attentive and his service is 5 stars. Marcus makes business travel more enjoyable !

Although the flight left late, we arrived early. It was one of the quickest boarding and off boarding experiences I’ve had. It was kind of annoying the only drinks they had were water, coffee, and tea. The flight was very smooth, temperature was just right, and flight attendants were friendly.

Lower number on this flight so spaced out passengers. Able to enjoy more room to relax during flight. It was lovely.

Kind staff. Snacks are small but that’s the new normal.

The young man who was our flight attendant in first class was lazy and did not do his job well at all. Never offered drinks upon boarding - actually I take that back... said "are you okay with water" as if I do not want to get you anything else, only passed the snacks around once, got my drink order wrong and then never offered a second round of drinks. He was the worst I have ever seen on Delta and we fly a lot.

Great service. Great staff. Boarding was a little slow, but I think there was a service dog slowing things down.

Flight left early and arrived early. the whole trip was excellent.

Seats were really tight and the seat belts did not give enough slack.

Food choices were very limited. Taste of the dishes was average.

I liked all the informational texts. I always knew where to go and when .

Received an email the night before showing that there would be seatback entertainment on our flight. We get on and there was no seatback entertainment. And then it was a scramble to try to set up the iPads for the kids before takeoff so they could watch something for the four hour flight.

The reason I don’t fly United. No in seat entertainment for a long flight and inconsistent WiFi and entertainment available from my device.

It was a good flight. Nothing comes to mind about how it could have been better. It was a newer plane, seemed like a great upgrade from your older ones. Staff was very good as well.

The food for long haul was poor compared to Singapore airlines economy. Pasta plain with tomato sauce . Singapore airlines give me Hagen dash small ice cream cup it was great. The choices of dinner course Singapore air also much better The crew mostly friendly. The economy seat are as expected.

The plane was clean. The staff was excellent. The flight attendants were very good. Enjoyable flight. Overall. The seats in the back are too small but, will always be.

Flight was 3 1/2 hour delayed with no credit or meal vouchers

late departure due to some unspecified issue with ventilating the cabin. They got it running but it was FREEZING for the whole flight. I asked for a blanket but they didn't provide one. They could not turn up the heat. it was quite miserable.

Liked that we left on time for each flight. Snacks not the best, but we're okay.

Flight was empty so had a whole row to myself. Still had to wait to get the bag due to the negligence at Palm Springs departure.

One of the best flights I’ve had. So smooth.

the pilot that landed this flight in Philadelphia did an amazing job, the weather was absolutely terrible and we landed safely.

I blame kayak for my last trip to dca. Kayak cancelled my direct flight and put on a one stop flight and made lost whole day from my vacation and had not even refunded my ticket.

late again! but its my only option to not take 9 hours to get to Memphis

Per usual, flight status, staff courtesy and professionalism were excellent

The boarding experience was good; $20 for wifi per flight is uncompetitive compared to Delta, Southwest, and others, and puts American lower on my list given similar pricing.

Great experience. Flight boarded easily. Departed early. Smooth flight. Great arrival in DC--almost no taxing! Almost direct to gate from runway. Crew was terrific. Same cookies and beverages in main cabin. I did not use the entertainment system on this flight.

Delays on all NY flights. There was no communication on why but they didn’t say it was weather. Other carriers were not delayed.

The flights were terribly delayed and then cancelled which forced us booking another night at the hotel. Very poor management from American Airlines

Book cheap flights from Idaho to Colorado

Recent round-trip flight deals

5/20Tue
nonstopFrontier
2h 18mGEG-DEN
5/29Thu
nonstopFrontier
2h 21mDEN-GEG
$93
6/10Tue
nonstopFrontier
2h 21mGEG-DEN
6/24Tue
nonstopFrontier
2h 21mDEN-GEG
$123
4/7Mon
nonstopUnited Airlines
1h 59mBOI-DEN
4/14Mon
nonstopUnited Airlines
2h 02mDEN-BOI
$197
4/14Mon
1 stopDelta
7h 40mBOI-DEN
4/17Thu
1 stopDelta
7h 00mDEN-BOI
$203
4/7Mon
1 stopSouthwest
6h 30mBOI-DEN
4/10Thu
nonstopSouthwest
1h 55mDEN-BOI
$207
3/20Thu
1 stopDelta
4h 32mBOI-DEN
3/27Thu
1 stopDelta
9h 50mDEN-BOI
$210
4/17Thu
1 stopSouthwest
6h 55mBOI-DEN
4/22Tue
2 stopsSouthwest
7h 20mDEN-BOI
$222
5/30Fri
1 stopAlaska Airlines
14h 06mBOI-DEN
6/3Tue
1 stopAlaska Airlines
4h 54mDEN-BOI
$246
4/14Mon
nonstopUnited Airlines
2h 05mBOI-DEN
4/16Wed
nonstopUnited Airlines
2h 02mDEN-BOI
$248
7/22Tue
1 stopAlaska Airlines
8h 48mBOI-DEN
7/31Thu
1 stopAlaska Airlines
4h 51mDEN-BOI
$256

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Recent one-way flight deals

5/20Tue
nonstopFrontier
1h 58mBOI-DEN
$54
5/25Sun
nonstopFrontier
1h 58mBOI-DEN
$59
4/21Mon
1 stopAlaska Airlines
5h 11mBOI-DEN
$98
3/11Tue
nonstopUnited Airlines
2h 00mBOI-DEN
$99
3/18Tue
1 stopDelta
7h 08mBOI-DEN
$102
3/10Mon
1 stopAlaska Airlines
9h 03mBOI-DEN
$104
4/21Mon
2 stopsDelta
7h 46mBOI-DEN
$107
3/11Tue
2 stopsSouthwest
7h 25mBOI-DEN
$114
3/10Mon
nonstopUnited Airlines
2h 00mBOI-DEN
$124
3/26Wed
2 stopsSouthwest
7h 15mBOI-DEN
$134

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Last minute flights from Idaho to Colorado

Last minute flight, train and bus deals

2/26Wed
multi-stopDelta
5h 30mBOI-COS
3/1Sat
multi-stopDelta
4h 00mCOS-BOI
$452
2/26Wed
multi-stopDelta
8h 15mBOI-COS
3/1Sat
multi-stopDelta
4h 00mCOS-BOI
$457
2/24Mon
nonstopUnited Airlines
2h 05mIDA-DEN
3/8Sat
nonstopUnited Airlines
1h 48mDEN-IDA
$482
2/25Tue
multi-stopSouthwest
6h 45mBOI-COS
2/27Thu
multi-stopSouthwest
4h 15mCOS-BOI
$509
2/25Tue
multi-stopSouthwest
7h 45mBOI-COS
2/27Thu
multi-stopSouthwest
6h 05mCOS-BOI
$514
2/27Thu
nonstopUnited Airlines
2h 02mBOI-DEN
2/28Fri
nonstopUnited Airlines
2h 05mDEN-BOI
$519
2/24Mon
multi-stopAmerican Airlines
7h 56mIDA-DEN
3/8Sat
multi-stopAmerican Airlines
7h 51mDEN-IDA
$531
2/26Wed
multi-stopAlaska Airlines
6h 24mBOI-DEN
2/26Wed
multi-stopAlaska Airlines
6h 51mDEN-BOI
$535
2/27Thu
multi-stopAmerican Airlines
7h 56mIDA-DEN
2/28Fri
multi-stopAmerican Airlines
7h 45mDEN-IDA
$565
2/27Thu
multi-stopAlaska Airlines
19h 04mGEG-DEN
3/2Sun
multi-stopAlaska Airlines
6h 10mDEN-GEG
$750

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Everything you need to know for your flight to Colorado

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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