DEN

$40 Find Cheap Flights from Idaho to Denver - Compare and Save

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 9/8. 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 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, Oct 25 - Wed, Oct 28
Frontier Logo
3:52 pm - 3:52 amBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
12h 00m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:30 pm - 2:57 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
16h 27m1 stop Las Vegas Harry Reid Intl
$157Frontier
Mon, Oct 12 - Fri, Oct 16
Frontier Logo
2:50 pm - 9:49 amBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
18h 59m1 stop Las Vegas Harry Reid Intl
Frontier Logo
7:00 am - 1:55 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
6h 55m1 stop Las Vegas Harry Reid Intl
$160Frontier
Sat, Sep 5 - Tue, Sep 8
Multiple Airlines Logo
1:32 pm - 6:32 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
5h 00m1 stop Portland
Multiple Airlines Logo
10:29 am - 12:29 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$169Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
1:24 pm - 3:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 06mnonstop
Multiple Airlines Logo
7:08 pm - 9:56 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
14h 48m1 stop Seattle/Tacoma Intl
$174Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
12:55 pm - 2:45 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 50mnonstop
Southwest Logo
2:00 pm - 3:55 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
1h 55mnonstop
$180Southwest
Wed, Sep 2 - Sat, Sep 5
Southwest Logo
2:25 pm - 4:20 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 55mnonstop
Southwest Logo
7:30 pm - 9:35 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 05mnonstop
$180Southwest
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
2:51 pm - 4:45 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 54mnonstop
United Airlines Logo
3:55 pm - 6:03 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 08mnonstop
$185United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
5:40 pm - 7:41 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 01mnonstop
United Airlines Logo
7:40 am - 9:35 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
1h 55mnonstop
$185United Airlines
Wed, Oct 7 - Tue, Oct 13
Delta Logo
1:06 pm - 7:34 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
6h 28m1 stop Salt Lake City
Delta Logo
5:20 am - 10:42 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
5h 22m1 stop Salt Lake City
$215Delta
Tue, Oct 6 - Wed, Oct 14
Delta Logo
1:06 pm - 7:34 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
6h 28m1 stop Salt Lake City
Delta Logo
5:20 am - 10:42 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
5h 22m1 stop Salt Lake City
$215Delta
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Good to know

Low season

January

Cheapest flight

$40
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 25% 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
Westminster
Lakewood
Dillon
Broomfield
Englewood
Greenwood Village
Lone Tree
Central City
Limon
Brighton
Fort Morgan
Wheat Ridge
Evergreen
Erie

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)