BOI

$39 Find Cheap Flights from Colorado to Boise

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boise departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Colorado to Boise

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado to Boise

Thu, Apr 2 - Thu, Apr 9
Frontier Logo
9:10 am - 11:08 am
DEN
-
BOI
1h 58mnonstop
Frontier Logo
12:03 pm - 2:06 pm
BOI
-
DEN
2h 03mnonstop
$100Frontier
Thu, Apr 2 - Sun, Apr 5
Frontier Logo
9:10 am - 11:08 am
DEN
-
BOI
1h 58mnonstop
Frontier Logo
12:03 pm - 2:06 pm
BOI
-
DEN
2h 03mnonstop
$113Frontier
Thu, Aug 13 - Sat, Aug 15
Delta Logo
6:56 pm - 11:56 pm
GJT
-
BOI
5h 00m
1 stop
Delta Logo
5:45 pm - 9:50 pm
BOI
-
GJT
4h 05m
1 stop
$271Delta
Tue, May 12 - Sat, May 16
Delta Logo
11:55 am - 8:34 pm
COS
-
BOI
8h 39m
2 stops
Delta Logo
6:41 pm - 10:22 pm
BOI
-
COS
3h 41m
1 stop
$282Delta
Wed, Apr 22 - Sun, Apr 26
United Airlines Logo
6:00 am - 9:54 am
COS
-
BOI
3h 54m
1 stop
United Airlines Logo
5:00 am - 8:49 am
BOI
-
COS
3h 49m
1 stop
$290United Airlines
Fri, May 22 - Thu, May 28
Allegiant Air Logo
5:16 pm - 1:20 pm
COS
-
BOI
20h 04m
1 stop
Allegiant Air Logo
4:00 pm - 4:26 pm
BOI
-
COS
24h 26m
1 stop
$296Allegiant Air
Thu, Apr 16 - Mon, Apr 20
Southwest Logo
2:15 pm - 9:50 pm
COS
-
BOI
7h 35m
1 stop
Southwest Logo
5:40 pm - 11:50 pm
BOI
-
COS
6h 10m
1 stop
$297Southwest
Fri, May 22 - Thu, May 28
Allegiant Air Logo
5:16 pm - 1:20 pm
COS
-
BOI
20h 04m
1 stop
Allegiant Air Logo
4:00 pm - 4:26 pm
BOI
-
COS
24h 26m
1 stop
$301Allegiant Air
Tue, May 26 - Sun, May 31
United Airlines Logo
5:30 am - 9:45 am
GJT
-
BOI
4h 15m
1 stop
United Airlines Logo
6:30 am - 12:31 pm
BOI
-
GJT
6h 01m
1 stop
$309United Airlines
Thu, Apr 9 - Sun, Apr 12
Southwest Logo
7:20 pm - 1:00 am
COS
-
BOI
5h 40m
1 stop
Southwest Logo
3:25 pm - 11:50 pm
BOI
-
COS
8h 25m
1 stop
$319Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$39
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Denver to Boise

FAQs for booking flights from Colorado to Boise

  • How does KAYAK find such low prices on flights from Colorado to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boise?

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

Everything you need to know for your flight to Boise

Information on the airport you'll fly into in Boise

Boise (BOI)