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$66+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$101
(Priceline)

One-way from

$66
(Priceline)

Popular in

March

Cheapest in

May

Average price

$296

Good round-trip deal

$262 or less

Good one-way deal

$151 or less
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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 30, 2025.

This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:36 pmBOI - DEN
Nonstop2h 00mFrontier
Sun 8/179:50 amDEN - BOI
Nonstop1h 56mFrontier
Deal found 7/27$101
This Orbitz deal was found by Cheapflights users on 7/27. 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.
Tue 8/268:00 amBOI - DEN
1 stop6h 06mMultiple Airlines
Thu 8/289:36 amDEN - BOI
Nonstop2h 02mMultiple Airlines
Deal found 7/27$193
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:35 pmBOI - DEN
1 stop8h 11mHawaiian Airlines
Sat 10/253:00 pmDEN - BOI
1 stop8h 22mHawaiian Airlines
Deal found 7/30$198
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:00 amBOI - DEN
Nonstop2h 05mUnited Airlines
Tue 9/27:15 pmDEN - BOI
Nonstop1h 59mUnited Airlines
Deal found 7/29$199
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:34 pmBOI - DEN
1 stop5h 28mAlaska Airlines
Fri 9/129:23 pmDEN - BOI
1 stop13h 14mAlaska Airlines
Deal found 7/29$207
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/264:05 pmBOI - DEN
Nonstop1h 55mSouthwest
Thu 8/2810:10 pmDEN - BOI
Nonstop1h 55mSouthwest
Deal found 7/28$208
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:00 pmBOI - DEN
1 stop7h 44mDelta
Sat 9/135:45 amDEN - BOI
1 stop5h 03mDelta
Deal found 7/29$219
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:45 pmBOI - COS
1 stop4h 30mDelta
Tue 9/25:55 pmCOS - BOI
1 stop5h 05mDelta
Deal found 7/28$219
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:57 pmBOI - DEN
2 stops9h 08mAmerican Airlines
Thu 9/116:49 pmDEN - BOI
1 stop4h 46mAmerican Airlines
Deal found 7/29$233
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:20 amBOI - COS
1 stop5h 35mSouthwest
Sat 10/1110:30 amCOS - BOI
1 stop3h 35mSouthwest
Deal found 7/30$284
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:10 amBOI - MTJ
1 stop6h 50mSouthwest
Sat 8/3012:35 pmMTJ - BOI
2 stops8h 40mSouthwest
Deal found 7/29$286
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amBOI - COS
1 stop6h 14mUnited Airlines
Mon 9/15:30 amCOS - BOI
1 stop4h 12mUnited Airlines
Deal found 7/28$302

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 July 30, 2025.
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

Thu 8/14

12:36 pm-2:36 pm

Nonstop2h 00m

Denver Intl

Sun 8/17

9:50 am-11:46 am

Nonstop1h 56m

$101

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/26

8:00 am-2:06 pm

1 stop6h 06m

Denver Intl

Thu 8/28

9:36 am-11:38 am

Nonstop2h 02m

$193

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 10/22

1:35 pm-9:46 pm

1 stop8h 11m

Denver Intl

Sat 10/25

3:00 pm-11:22 pm

1 stop8h 22m

$198

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/26

5:00 am-7:05 am

Nonstop2h 05m

Denver Intl

Tue 9/2

7:15 pm-9:14 pm

Nonstop1h 59m

$199

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 9/9

4:34 pm-10:02 pm

1 stop5h 28m

Denver Intl

Fri 9/12

9:23 pm-10:37 am

1 stop13h 14m

$207

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/26

4:05 pm-6:00 pm

Nonstop1h 55m

Denver Intl

Thu 8/28

10:10 pm-12:05 am

Nonstop1h 55m

$208

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/10

2:00 pm-9:44 pm

1 stop7h 44m

Denver Intl

Sat 9/13

5:45 am-10:48 am

1 stop5h 03m

$219

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

Tue 8/26

12:45 pm-5:15 pm

1 stop4h 30m

Colorado Springs

Tue 9/2

5:55 pm-11:00 pm

1 stop5h 05m

$219

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/10

1:57 pm-11:05 pm

2 stops9h 08m

Denver Intl

Thu 9/11

6:49 pm-11:35 pm

1 stop4h 46m

$233

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

Sun 10/5

5:20 am-10:55 am

1 stop5h 35m

Colorado Springs

Sat 10/11

10:30 am-2:05 pm

1 stop3h 35m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 28 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, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Colorado as you normally would.

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 July 30, 2025.

The most flights from BOI to USCO are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

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 July 30, 2025.
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
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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, 98 users have taken a look at flights from Boise Air Term. Gowen Fld to Colorado.

  • 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 $66. Alaska Airlines flights start at $99 while deals on United Airlines start at $100 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 SkyWest Airlines (99%), United Airlines (82%) or Air Canada (70%) 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 $904, our data shows the cheapest flight currently is $91. When looking at the most popular route, (Boise Air Term. Gowen Fld - Denver Intl), you can expect to pay $106 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, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$141FlexibilityNo cancel feeOn-time62%
DeltaCheapest$136Average$279FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$261FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$200Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$200Average$322FlexibilityNo cancel feeOn-time63%

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