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Boise

$51+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
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Cheap 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 June 13, 2026.

This Frontier deal was found by Cheapflights users on 6/12. 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.
Thu 9/249:55 am
DEN
-
BOI
Nonstop2h 09m
Frontier
Tue 9/2912:59 pm
BOI
-
DEN
Nonstop2h 01m
Frontier
Deal found 6/12$173
This Expedia deal was found by Cheapflights users on 6/9. 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.
Tue 7/710:29 am
DEN
-
BOI
Nonstop2h 00m
Frontier
Tue 7/141:24 pm
BOI
-
DEN
Nonstop2h 06m
Frontier
Deal found 6/9$174
This Frontier deal was found by Cheapflights users on 6/9. 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.
Thu 9/310:08 am
DEN
-
BOI
Nonstop2h 01m
Frontier
Thu 9/1012:59 pm
BOI
-
DEN
Nonstop2h 01m
Frontier
Deal found 6/9$175
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Thu 7/2310:29 am
DEN
-
BOI
Nonstop2h 00m
Frontier
Tue 8/41:24 pm
BOI
-
DEN
Nonstop2h 06m
Frontier
Deal found 6/8$176
This Frontier deal was found by Cheapflights users on 6/11. 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.
Tue 9/159:55 am
DEN
-
BOI
Nonstop2h 09m
Frontier
Mon 9/213:52 pm
BOI
-
DEN
1 stop8h 23m
Frontier
Deal found 6/11$180
This Expedia deal was found by Cheapflights users on 6/10. 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.
Tue 8/186:02 am
DEN
-
BOI
1 stop8h 05m
Multiple Airlines
Thu 8/201:04 pm
BOI
-
DEN
Nonstop2h 05m
Multiple Airlines
Deal found 6/10$184
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Tue 7/1410:29 am
DEN
-
BOI
Nonstop2h 00m
Frontier
Tue 7/211:24 pm
BOI
-
DEN
Nonstop2h 06m
Frontier
Deal found 6/8$185
This Orbitz deal was found by Cheapflights users on 6/9. 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 9/151:43 pm
DEN
-
BOI
1 stop6h 37m
Multiple Airlines
Tue 9/2212:59 pm
BOI
-
DEN
Nonstop2h 01m
Multiple Airlines
Deal found 6/9$186
This Frontier deal was found by Cheapflights users on 6/11. 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.
Thu 8/610:29 am
DEN
-
BOI
Nonstop2h 00m
Frontier
Sun 8/91:24 pm
BOI
-
DEN
Nonstop2h 06m
Frontier
Deal found 6/11$191
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Sun 7/1910:29 am
DEN
-
BOI
Nonstop2h 00m
Frontier
Tue 7/211:24 pm
BOI
-
DEN
Nonstop2h 06m
Frontier
Deal found 6/8$195
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 8/136:53 pm
GJT
-
BOI
1 stop5h 06m
Delta
Sat 8/155:15 pm
BOI
-
GJT
1 stop4h 41m
Delta
Deal found 6/8$271
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:45 pm
COS
-
BOI
1 stop4h 50m
Southwest
Wed 8/1212:35 pm
BOI
-
COS
1 stop3h 25m
Southwest
Deal found 6/11$294

Find flight deals from Colorado to Boise

Keep the following information in mind while searching for Colorado to Boise flight deals. Data was last updated June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$168
(Frontier)

One-way from

$51
(Frontier)

Popular in

May

Cheapest in

February

Average price

$314

Good round-trip deal

$211 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Denver Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Colorado to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Colorado to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from Colorado to Boise Air Term. Gowen Fld.
Search Deals

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 June 13, 2026.
Use the filters below to find and compare flights from Colorado to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 7/30

8:55 pm-11:00 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Tue 8/4

2:20 pm-9:20 pm

2 stops7h 00m

$259

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Thu 9/3

5:35 am-12:14 pm

1 stop6h 39m

Boise Air Term. Gowen Fld

Tue 9/8

11:35 am-3:11 pm

1 stop3h 36m

$263

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Thu 8/13

6:53 pm-11:59 pm

1 stop5h 06m

Boise Air Term. Gowen Fld

Sat 8/15

5:15 pm-9:56 pm

1 stop4h 41m

$271

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Fri 8/28

6:17 am-2:02 pm

1 stop7h 45m

Boise Air Term. Gowen Fld

Sun 8/30

6:00 am-11:07 am

1 stop5h 07m

$283

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 10/20

7:50 am-1:14 pm

1 stop5h 24m

Boise Air Term. Gowen Fld

Wed 10/21

4:17 pm-9:36 pm

1 stop5h 19m

$283
Quickest round-trip

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Mon 7/6

7:28 pm-9:29 pm

Nonstop2h 01m

Boise Air Term. Gowen Fld

Wed 7/8

6:30 am-8:29 am

Nonstop1h 59m

$290

Grand JunctionBoise

GJT - BOI

GJTBOI

Grand Junction Regnl

Sun 7/5

6:50 pm-12:09 am

1 stop5h 19m

Boise Air Term. Gowen Fld

Sat 7/11

5:15 pm-9:55 pm

1 stop4h 40m

$295

DenverBoise

DEN - BOI

DENBOI

Denver Intl

Tue 10/20

7:40 am-9:34 am

Nonstop1h 54m

Boise Air Term. Gowen Fld

Wed 10/21

5:00 am-7:10 am

Nonstop2h 10m

$298

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Thu 8/6

6:45 pm-11:35 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

Wed 8/12

7:05 am-4:00 pm

2 stops8h 55m

$299

Colorado SpringsBoise

COS - BOI

COSBOI

Colorado Springs

Mon 10/19

8:20 pm-1:05 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Thu 10/22

6:05 pm-10:40 pm

1 stop4h 35m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 55 resultsSorted by cheapest first
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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, December is the cheapest month in which you can book a flight from Colorado to Boise (average of $25). Flying from Colorado to Boise in April is currently the most expensive (average of $114). 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 June 13, 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 36% versus a flight at noon.

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 June 13, 2026.

The most flights from USCO to BOI are scheduled on a Wednesday (17 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 Colorado to Boise?

How far ahead should I book a flight from Colorado to Boise?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Boise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 8, 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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 Southwest, Delta, and Alaska Airlines fly from Colorado to Boise in about 2h 05m. The time it takes to get you to your destination can typically vary by up to 5h 40m. 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?

    $40 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 $68 and $99, 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 (92%), United Airlines (88%) or Air Canada (85%) 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 $94. While the most popular route (Denver Intl - Boise Air Term. Gowen Fld) can be booked for $176 on average, our data indicates $262 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, December is the cheapest month in which you can book a flight from Colorado to Boise (average of $25). Flying from Colorado to Boise in April is currently the most expensive (average of $114). 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
Meridian
Nampa
Caldwell
Ontario
McCall

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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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$133FlexibilityNo cancel feeOn-time62%
DeltaCheapest$68Average$319FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$143Average$372FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$353FlexibilityNo cancel feeOn-time63%

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