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$28+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
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 enero 14, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$95
(Kiwi.com)

One-way from

$28
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$191

Good round-trip deal

$127 or less

Good one-way deal

$121 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. 10% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 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 enero 14, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/269:41 am
DEN
-
BOI
Nonstop2h 10m
Frontier
jue. 3/2612:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Deal found 1/13$95
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. 2/29:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
vie. 2/612:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Deal found 1/12$116
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.
mié. 2/47:00 am
DEN
-
BOI
1 stop8h 10m
Multiple Airlines
jue. 2/1212:36 pm
BOI
-
DEN
Nonstop2h 00m
Multiple Airlines
Deal found 1/13$118
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/269:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
vie. 1/3012:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Deal found 1/13$123
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/279:01 am
DEN
-
BOI
Nonstop2h 10m
Frontier
jue. 3/2612:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Deal found 1/13$124
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.
mié. 2/257:00 am
DEN
-
BOI
1 stop7h 58m
Multiple Airlines
jue. 2/2612:38 pm
BOI
-
DEN
Nonstop2h 00m
Multiple Airlines
Deal found 1/12$125
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.
dom. 3/159:10 am
DEN
-
BOI
Nonstop2h 02m
Frontier
jue. 3/1912:07 pm
BOI
-
DEN
Nonstop2h 00m
Frontier
Deal found 1/12$127
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.
jue. 4/910:16 am
DEN
-
BOI
Nonstop2h 07m
Frontier
dom. 4/121:30 pm
BOI
-
DEN
Nonstop2h 01m
Frontier
Deal found 1/13$132
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/139:01 am
DEN
-
BOI
Nonstop2h 10m
Multiple Airlines
mar. 2/175:40 am
BOI
-
DEN
1 stop5h 02m
Multiple Airlines
Deal found 1/11$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.
lun. 2/29:10 am
DEN
-
BOI
Nonstop2h 02m
Multiple Airlines
vie. 2/65:40 am
BOI
-
DEN
1 stop5h 13m
Multiple Airlines
Deal found 1/12$142
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/139:01 am
DEN
-
BOI
Nonstop2h 10m
Multiple Airlines
vie. 2/205:41 pm
BOI
-
DEN
1 stop27h 19m
Multiple Airlines
Deal found 1/11$143
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/129:41 am
DEN
-
BOI
Nonstop2h 10m
Multiple Airlines
dom. 2/155:40 am
BOI
-
DEN
1 stop5h 02m
Multiple Airlines
Deal found 1/14$145

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 enero 14, 2026.
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

jue. 4/9

9:10 am-11:08 am

Nonstop1h 58m

Boise Air Term. Gowen Fld

dom. 4/12

12:03 pm-2:06 pm

Nonstop2h 03m

$116

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 2/27

12:55 pm-3:00 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

lun. 3/2

7:45 am-9:45 am

Nonstop2h 00m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

mié. 2/25

1:10 pm-11:30 pm

1 stop10h 20m

Boise Air Term. Gowen Fld

jue. 2/26

7:31 pm-11:38 am

1 stop16h 07m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

lun. 2/23

7:25 pm-9:32 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

vie. 2/27

2:40 pm-4:39 pm

Nonstop1h 59m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

lun. 2/23

7:25 pm-9:32 pm

Nonstop2h 07m

Boise Air Term. Gowen Fld

jue. 2/26

6:25 am-8:25 am

Nonstop2h 00m

$177

DenverBoise

DEN - BOI

DENBOI

Denver Intl

dom. 3/1

10:34 pm-4:47 pm

2 stops18h 13m

Boise Air Term. Gowen Fld

jue. 3/5

12:38 pm-2:38 pm

Nonstop2h 00m

$194

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 2/13

5:30 am-9:45 am

1 stop4h 15m

Boise Air Term. Gowen Fld

vie. 2/20

5:35 am-9:24 am

1 stop3h 49m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 2/20

5:30 am-9:45 am

1 stop4h 15m

Boise Air Term. Gowen Fld

dom. 2/22

5:50 am-12:15 pm

1 stop6h 25m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 2/13

5:30 am-9:45 am

1 stop4h 15m

Boise Air Term. Gowen Fld

dom. 2/15

5:35 am-12:00 pm

1 stop6h 25m

$197

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 3/6

12:30 pm-6:22 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

lun. 3/9

4:40 pm-11:29 pm

1 stop6h 49m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 47 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 $54). Flying from Colorado to Boise in April is currently the most expensive (average of $197). 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 enero 14, 2026.

When flying from Colorado to Boise, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight in the afternoon.

What is the cheapest day to fly from Colorado to Boise?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Boise. Price data was last updated on January 10, 2026.

Travelers seeking maximum savings on their Colorado to Boise flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Colorado to Boise

Explore weekly flight availability from Colorado to Boise. 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 enero 14, 2026.

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

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

  • How long is the flight from Colorado to Boise?

    Airlines like Frontier, Southwest, and Alaska Airlines fly from Colorado to Boise in about 1h 58m. The time it takes to get you to your destination can typically vary by up to 8h 22m. The distance from Colorado to Boise is about 647 mi. This flight may include one or multiple stops.

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

    $47 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $78 and $94, 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 Grand Junction Regnl - Boise Air Term. Gowen Fld or Colorado Springs - Boise Air Term. Gowen Fld.

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

    Consider Frontier (89%), Lufthansa (83%) or United Airlines (82%) 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 $33. While the most popular route (Denver Intl - Boise Air Term. Gowen Fld) can be booked for $118 on average, our data indicates $177 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 $54). Flying from Colorado to Boise in April is currently the most expensive (average of $197). 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 Boise?

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

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Alternative routes for Colorado to Boise

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Top 4 airlines flying from Colorado to Boise

Discover the top 4 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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$134FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$264FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$177Average$364FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$197Average$344FlexibilityNo cancel feeOn-time63%

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