DEN

$28 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 1/18. 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

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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

Sun, Dec 14 - Thu, Dec 18
Frontier Logo
12:44 pm - 2:45 pmBOI-DEN
2h 01mnonstop
Frontier Logo
9:36 am - 11:43 amDEN-BOI
2h 07mnonstop
$99Frontier
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Sun, Dec 14 - Sun, Dec 21
Frontier Logo
12:44 pm - 2:45 pmBOI-DEN
2h 01mnonstop
Frontier Logo
9:36 am - 11:43 amDEN-BOI
2h 07mnonstop
$111Frontier
Find Deal
Fri, Dec 12 - Sun, Dec 14
Multiple Airlines Logo
7:00 am - 7:24 pmBOI-DEN
12h 24m1 stop
Multiple Airlines Logo
9:42 am - 11:49 amDEN-BOI
2h 07mnonstop
$132Multiple Airlines
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Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
6:03 am - 11:44 amBOI-DEN
5h 41m1 stop
Multiple Airlines Logo
9:42 am - 11:49 amDEN-BOI
2h 07mnonstop
$149Multiple Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Alaska Airlines Logo
1:55 pm - 11:36 pmBOI-DEN
9h 41m1 stop
Alaska Airlines Logo
7:00 am - 12:51 pmDEN-BOI
5h 51m1 stop
$176Alaska Airlines
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Mon, Jan 26 - Mon, Feb 2
United Airlines Logo
9:48 am - 12:00 pmBOI-DEN
2h 12mnonstop
United Airlines Logo
7:45 am - 10:06 amDEN-BOI
2h 21mnonstop
$177United Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
2:45 pm - 4:35 pmIDA-DEN
1h 50mnonstop
United Airlines Logo
8:01 am - 9:48 amDEN-IDA
1h 47mnonstop
$194United Airlines
Find Deal
Tue, Dec 16 - Wed, Dec 17
Alaska Airlines Logo
6:03 am - 11:44 amBOI-DEN
5h 41m1 stop
Alaska Airlines Logo
11:41 am - 5:05 pmDEN-BOI
5h 24m1 stop
$196Alaska Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
Delta Logo
5:58 pm - 10:44 pmBOI-DEN
4h 46m1 stop
Delta Logo
6:05 am - 1:14 pmDEN-BOI
7h 09m1 stop
$197Delta
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Fri, Nov 14 - Sun, Nov 16
Delta Logo
3:33 pm - 11:27 pmGEG-DEN
6h 54m1 stop
Delta Logo
6:05 am - 10:39 amDEN-GEG
5h 34m1 stop
$205Delta
Find Deal

Everything you should know

Cheapest round-trip
$99
Overall average: $313
Frontier
Sun 12/14Thu 12/18
BOI - DEN • Non-stop
Cheapest non-stop
$99
Typical prices: $288-$401
Frontier
Sun 12/14Sat 12/20
BOI - DEN • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Useful Info

Good to know

Low seasonApril
Cheapest flight$28
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 13% increase in price.
Flight from Spokane 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)

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