DEN

$26 Find Cheap Flights from Idaho to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Denver departing on 12/20. 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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Everything you should know

Cheapest round-trip
$112
Overall average: $305
Multiple Airlines
Fri 12/19Sun 12/21
BOI - DEN • 1 stop
Cheapest non-stop
$121
Typical prices: $285-$408
Frontier
Sun 12/21Sat 12/27
BOI - DEN • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Idaho to Denver

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to Denver 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 Idaho to Denver

Fri, Dec 19 - Sun, Dec 21
Multiple Airlines Logo
10:41 pm - 9:04 amBOI-DEN
10h 23m1 stop
Multiple Airlines Logo
9:36 am - 11:43 amDEN-BOI
2h 07mnonstop
$112Multiple Airlines
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Sun, Dec 21 - Sat, Dec 27
Frontier Logo
12:38 pm - 2:39 pmBOI-DEN
2h 01mnonstop
Frontier Logo
9:52 am - 11:59 amDEN-BOI
2h 07mnonstop
$121Frontier
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Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
6:00 am - 10:32 amBOI-DEN
4h 32m1 stop
Hawaiian Airlines Logo
7:00 am - 1:45 pmDEN-BOI
6h 45m1 stop
$176Hawaiian Airlines
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Mon, Dec 8 - Thu, Dec 11
Southwest Logo
2:40 pm - 4:30 pmBOI-DEN
1h 50mnonstop
Southwest Logo
9:05 pm - 11:10 pmDEN-BOI
2h 05mnonstop
$177Southwest
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Wed, Dec 3 - Wed, Dec 10
Delta Logo
1:10 pm - 6:54 pmGEG-DEN
4h 44m1 stop
Delta Logo
12:25 pm - 6:55 pmDEN-GEG
7h 30m1 stop
$185Delta
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Fri, Dec 12 - Sun, Jan 11
Southwest Logo
5:50 pm - 11:40 pmGEG-DEN
4h 50m1 stop
Southwest Logo
8:20 am - 9:50 amDEN-GEG
2h 30mnonstop
$187Southwest
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Thu, Jan 22 - Sat, Jan 31
Alaska Airlines Logo
5:00 am - 10:53 amGEG-DEN
4h 53m1 stop
Alaska Airlines Logo
12:34 pm - 3:25 pmDEN-GEG
27h 51m2 stops
$188Alaska Airlines
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Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
5:06 am - 10:32 amGEG-DEN
4h 26m1 stop
Hawaiian Airlines Logo
7:04 pm - 11:37 pmDEN-GEG
5h 33m1 stop
$189Hawaiian Airlines
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Wed, Dec 3 - Wed, Dec 10
Delta Logo
3:35 pm - 11:21 pmGEG-DEN
6h 46m1 stop
Delta Logo
12:05 pm - 8:56 pmDEN-GEG
9h 51m2 stops
$190Delta
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Tue, Dec 9 - Tue, Dec 9
Alaska Airlines Logo
5:51 am - 11:44 amGEG-DEN
4h 53m1 stop
Alaska Airlines Logo
3:42 pm - 9:28 pmDEN-GEG
6h 46m1 stop
$191Alaska Airlines
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Useful Info

Good to know

Low seasonApril
Cheapest flight$26
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Boise to Denver

FAQs for booking flights from Idaho to Denver

  • How does KAYAK find such low prices on flights from Idaho to Denver?

    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 Idaho to Denver.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Idaho 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 Idaho to Denver?

    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 Denver with an airline and back to Idaho with another airline.

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

    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 Denver from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Dillon
Westminster
Lakewood
Broomfield
Englewood
Central City
Lone Tree
Greenwood Village
Wheat Ridge
Limon
Brighton
Fort Morgan
Evergreen
Erie

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)