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$70+ Cheap flights from Colorado to Boise (BOI)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Colorado to Boise

Keep the following information in mind while searching for Colorado to Boise flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(United Airlines)

One-way from

$70
(CheapOair)

Popular in

December

Cheapest in

July

Average price

$296

Good round-trip deal

$231 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Denver Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Boise Air Term. Gowen Fld flights.
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From Colorado to Boise Air Term. Gowen Fld
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One-way flight from Colorado to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Colorado to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Colorado to Boise Air Term. Gowen Fld.
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Find flight deals from Colorado to Boise

Cheapest flights from Colorado to Boise
Explore the most affordable flight options available from Colorado to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Southwest deal was found by Cheapflights users on 3/26. 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.
Mon 4/219:35 pmDEN - BOI
Nonstop1h 55mSouthwest
Tue 4/224:20 pmBOI - DEN
Nonstop1h 55mSouthwest
Deal found 3/26$197
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 5/16:37 pmDEN - BOI
1 stop5h 22mHawaiian Airlines
Sat 5/36:41 pmBOI - DEN
1 stop5h 18mHawaiian Airlines
Deal found 3/25$206
This flugladen.de deal was found by Cheapflights users on 3/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:05 pmDEN - BOI
1 stop4h 54mMultiple Airlines
Sun 5/182:27 pmBOI - DEN
Nonstop1h 59mMultiple Airlines
Deal found 3/26$209
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:50 amDEN - BOI
Nonstop1h 57mFrontier
Tue 7/112:36 pmBOI - DEN
Nonstop1h 58mFrontier
Deal found 3/27$215
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/237:00 amDEN - BOI
1 stop6h 47mAlaska Airlines
Sun 4/276:03 amBOI - DEN
1 stop4h 48mAlaska Airlines
Deal found 3/25$216
This Delta deal was found by Cheapflights users on 3/26. 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 7/16:30 amDEN - BOI
1 stop6h 50mDelta
Thu 7/33:43 pmBOI - DEN
1 stop8h 06mDelta
Deal found 3/26$217
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:05 pmCOS - BOI
1 stop7h 45mSouthwest
Mon 5/56:05 pmBOI - COS
1 stop5h 30mSouthwest
Deal found 3/27$217
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 6/47:45 amDEN - BOI
Nonstop2h 01mUnited Airlines
Wed 6/116:30 amBOI - DEN
Nonstop1h 57mUnited Airlines
Deal found 3/26$227
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/85:55 pmCOS - BOI
1 stop6h 17mDelta
Mon 8/111:15 pmBOI - COS
1 stop3h 58mDelta
Deal found 3/27$287
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:37 pmGJT - BOI
1 stop4h 57mAmerican Airlines
Tue 4/156:37 amBOI - GJT
1 stop4h 29mAmerican Airlines
Deal found 3/27$309
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 6/126:47 pmDEN - BOI
1 stop4h 49mAmerican Airlines
Tue 6/171:49 pmBOI - DEN
2 stops9h 20mAmerican Airlines
Deal found 3/26$332
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2511:46 amCOS - BOI
1 stop6h 06mUnited Airlines
Sun 4/275:00 amBOI - COS
1 stop3h 59mUnited Airlines
Deal found 3/27$337

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Boise 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 March 28, 2025.
Use the filters below to find and compare flights from Colorado to Boise that are best for you.

Fly from

Colorado

Fly to

Boise

Route

Depart

Return

Price

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Mon 4/21

9:35 pm-11:30 pm

Nonstop1h 55m

Boise Air Term. Gowen Fld

Tue 4/22

4:20 pm-6:15 pm

Nonstop1h 55m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 5/1

6:37 pm-11:59 pm

1 stop5h 22m

Boise Air Term. Gowen Fld

Sat 5/3

6:41 pm-11:59 pm

1 stop5h 18m

$206

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 5/15

7:05 pm-11:59 pm

1 stop4h 54m

Boise Air Term. Gowen Fld

Sun 5/18

2:27 pm-4:26 pm

Nonstop1h 59m

$209

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 4/23

7:00 am-1:47 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Sun 4/27

6:03 am-10:51 am

1 stop4h 48m

$216

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 5/23

5:30 am-10:06 am

1 stop4h 36m

Boise Air Term. Gowen Fld

Tue 5/27

5:40 pm-10:30 pm

1 stop4h 50m

$217

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 4/28

5:05 pm-12:50 am

1 stop7h 45m

Boise Air Term. Gowen Fld

Mon 5/5

6:05 pm-11:35 pm

1 stop5h 30m

$217

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Wed 6/4

7:45 am-9:46 am

Nonstop2h 01m

Boise Air Term. Gowen Fld

Wed 6/11

6:30 am-8:27 am

Nonstop1h 57m

$227

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Fri 8/8

5:55 pm-12:12 am

1 stop6h 17m

Boise Air Term. Gowen Fld

Mon 8/11

1:15 pm-5:13 pm

1 stop3h 58m

$287

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Fri 4/11

6:37 pm-11:34 pm

1 stop4h 57m

Boise Air Term. Gowen Fld

Tue 4/15

6:37 am-11:06 am

1 stop4h 29m

$309

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 6/12

6:47 pm-11:36 pm

1 stop4h 49m

Boise Air Term. Gowen Fld

Tue 6/17

1:49 pm-11:09 pm

2 stops9h 20m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 22 results
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Best time to book a flight from Colorado to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Colorado 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 Colorado to Boise

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

Currently, October is the cheapest month in which you can book a flight from Colorado to Boise (average of $314). Flying from Colorado to Boise in June is currently the most expensive (average of $421). 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 CO to BOI?

Find hourly flight availability from Colorado to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Colorado to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Colorado to Boise by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Boise. 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 into for flights to Boise from Colorado?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Colorado to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How popular is this Colorado to Boise flight route?

    Within the past month, 3 users have taken a look at flights from Colorado to Boise Air Term. Gowen Fld.

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

    $70 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $84 and $88, respectively.

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

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

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

    Consider SkyWest Airlines (88%), United Airlines (87%) or Air Canada (83%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Boise.

  • What are the cheapest flights from Colorado to Boise?

    Looking at all options, your cheapest flight can be booked for $69. While the most popular route (Denver Intl - Boise Air Term. Gowen Fld) can be booked for $168 on average our data indicates $251 when flying from Colorado to Boise.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Boise 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 Colorado to Boise?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Boise (average of $314). Flying from Colorado to Boise in June is currently the most expensive (average of $421). 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.

See more FAQs

Traveling to a place near Colorado?

Book flights to Colorado if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario

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Alternative routes for Colorado to Boise

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

Discover the top 5 airlines that operate flights from Colorado to Boise. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$182Average$407FlexibilityNo cancel feeOn-time75%
DeltaCheapest$193Average$237FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$373FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$200Average$405FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$423FlexibilityNo cancel feeOn-time71%
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