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$28+ Cheap flights from Boise (BOI) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
févr. 13 — févr. 201
ven. 2/13
ven. 2/20
1 adult, Economy
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Cheap flight deals from Boise to Colorado

Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated janvier 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$86
(Kiwi.com)

One-way from

$28
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$297

Good round-trip deal

$301 or less

Good one-way deal

$172 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Denver Intl flights.
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From Boise Air Term. Gowen Fld to Colorado
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One-way flight from Boise Air Term. Gowen Fld to Colorado
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Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Colorado.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Colorado.
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Find flight deals from Boise to Colorado

Cheapest flights from Boise to Colorado
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/2612:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
lun. 2/29:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
Deal found 1/12$86
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 1/3012:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
lun. 2/29:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
Deal found 1/12$96
This Frontier deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/212:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
lun. 2/99:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
Deal found 1/12$98
This Frontier deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 2/2211:56 am
BOI
-
DEN
Nonstop2h 00m
Frontier
jeu. 2/269:41 am
DEN
-
BOI
Nonstop2h 10m
Frontier
Deal found 1/12$114
This Expedia deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/43:43 pm
BOI
-
DEN
1 stop7h 52m
Multiple Airlines
ven. 2/139:01 am
DEN
-
BOI
Nonstop2h 10m
Multiple Airlines
Deal found 1/13$118
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/1912:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
dim. 3/229:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
Deal found 1/12$127
This Expedia deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/192:19 pm
BOI
-
DEN
Nonstop2h 00m
Multiple Airlines
mar. 2/37:00 am
DEN
-
BOI
1 stop5h 51m
Multiple Airlines
Deal found 1/12$133
This Frontier deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/91:30 pm
BOI
-
DEN
Nonstop2h 01m
Frontier
dim. 4/1210:16 am
DEN
-
BOI
Nonstop2h 07m
Frontier
Deal found 1/11$136
This Frontier deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/612:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
lun. 2/99:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
Deal found 1/13$138
This Expedia deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/1311:56 am
BOI
-
DEN
Nonstop2h 00m
Multiple Airlines
sam. 2/146:16 pm
DEN
-
BOI
1 stop5h 43m
Multiple Airlines
Deal found 1/12$139
This Orbitz deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/235:40 am
BOI
-
DEN
1 stop5h 02m
Multiple Airlines
dim. 3/19:01 am
DEN
-
BOI
Nonstop2h 10m
Multiple Airlines
Deal found 1/14$141
This Expedia deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/212:07 pm
BOI
-
DEN
Nonstop2h 00m
Multiple Airlines
jeu. 2/511:49 am
DEN
-
BOI
1 stop8h 15m
Multiple Airlines
Deal found 1/12$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 14, 2026.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.

Fly from

Boise

Fly to

Colorado

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

lun. 2/23

3:55 pm-5:45 pm

Nonstop1h 50m

Denver Intl

lun. 3/2

8:15 am-10:20 am

Nonstop2h 05m

$177

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

dim. 2/8

5:16 pm-7:30 pm

Nonstop2h 14m

Denver Intl

dim. 2/15

7:55 am-10:12 am

Nonstop2h 17m

$197

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

dim. 2/8

1:30 pm-3:20 pm

Nonstop1h 50m

Denver Intl

dim. 2/15

8:15 am-10:20 am

Nonstop2h 05m

$197

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

lun. 4/13

4:15 pm-11:56 pm

1 stop7h 41m

Denver Intl

mer. 4/15

7:00 am-12:22 pm

1 stop5h 22m

$200

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mer. 2/4

7:05 am-1:35 pm

1 stop6h 30m

Denver Intl

jeu. 2/12

8:05 am-10:10 am

Nonstop2h 05m

$212

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

ven. 2/20

7:00 am-1:50 pm

2 stops6h 50m

Denver Intl

dim. 2/22

8:05 am-10:10 am

Nonstop2h 05m

$213

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

jeu. 2/5

6:10 am-8:20 am

Nonstop2h 10m

Denver Intl

lun. 2/9

7:46 pm-9:52 pm

Nonstop2h 06m

$217

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mer. 2/4

3:43 pm-11:35 pm

1 stop7h 52m

Denver Intl

lun. 2/9

7:00 am-11:58 pm

2 stops16h 58m

$225

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

mer. 2/11

2:37 pm-4:36 pm

Nonstop1h 59m

Denver Intl

mer. 2/18

9:30 pm-11:48 pm

Nonstop2h 18m

$227

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

jeu. 2/5

6:10 am-8:20 am

Nonstop2h 10m

Denver Intl

jeu. 2/5

7:46 pm-9:52 pm

Nonstop2h 06m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 39 results
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Best time to book a flight from Boise to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Colorado

What is the cheapest month to book a flight from Boise to Colorado?

Currently, December is the cheapest month in which you can book a flight from Boise to Colorado (average of $57). Flying from Boise to Colorado in April is currently the most expensive (average of $196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to CO?

Find hourly flight availability from Boise to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated janvier 14, 2026.

It’s optimal to fly from Boise to Colorado in the evening. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Boise to Colorado

Explore weekly flight availability from Boise to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated janvier 14, 2026.

The most flights from BOI to USCO are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Boise to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated janvier 14, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,708 reviews
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Southwest
8.0
Very good
4,258 reviews
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,043 reviews
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,159 reviews
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,708 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

Related info for your journey

Find useful and relevant information for your journey from Boise to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Colorado?

    For a flight from Boise to Colorado, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city.

  • How popular is this Boise to Colorado flight route?

    Within the past month, 102 users have taken a look at flights from Boise Air Term. Gowen Fld to Colorado.

  • How long is the flight from Boise to Colorado?

    A quick flight from Boise to Colorado can take about 1h 50m. Southwest provides one of the quickest options available for as low as $177. The distance between Boise and Colorado is about 647 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boise to Colorado one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $40. United Airlines flights start at $94 while deals on Alaska Airlines start at $98 one-way.

  • What are the most popular routes from Boise to Colorado?

    The most popular route from Boise to Colorado is Boise Air Term. Gowen Fld - Denver Intl. You may also consider Boise Air Term. Gowen Fld - Colorado Springs or Boise Air Term. Gowen Fld - Montrose County.

  • What are the most reliable airlines from Boise to Colorado?

    Consider Frontier (96%), Southwest (90%) or Air Canada (83%) when booking your flight. These represent the most reliable airlines when flying from Boise to Colorado.

  • What are the cheapest flights from Boise to Colorado?

    While on average a flight from Boise to Colorado is generally $590, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Boise Air Term. Gowen Fld - Denver Intl), you can expect to pay $118 for that flight.

  • Can I find deals for flights from Boise to Colorado that include hotel bookings?

    Yes. In addition to deals on Boise to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Colorado.

  • Can I find deals for business class flights from Boise to Colorado?

    Yes. Cheapflights offers flight deals from Boise to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Colorado?

    Currently, December is the cheapest month in which you can book a flight from Boise to Colorado (average of $57). Flying from Boise to Colorado in April is currently the most expensive (average of $196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Boise to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boise to Colorado

Discover the top 5 airlines that operate flights from Boise to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janvier 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$142FlexibilityNo cancel feeOn-time62%
DeltaCheapest$136Average$273FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$428FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$176Average$386FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$393FlexibilityNo cancel feeOn-time63%

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