DEN

$54 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 9/6. 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

Tue, Sep 1 - Tue, Sep 8
Frontier Logo
1:24 pm - 3:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 06mnonstop
Frontier Logo
10:29 am - 12:29 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$198Frontier
Thu, Sep 3 - Tue, Sep 8
Frontier Logo
12:24 pm - 2:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 06mnonstop
Frontier Logo
10:29 am - 12:29 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$198Frontier
Fri, Sep 11 - Fri, Sep 11
Southwest Logo
10:50 am - 6:45 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
7h 55m1 stop San Jose
Southwest Logo
8:40 pm - 10:40 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$207Southwest
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
6:10 am - 12:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
6h 20m2 stops Phoenix Sky Harbor Intl Colorado Springs
Southwest Logo
9:00 am - 10:50 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
1h 50mnonstop
$212Southwest
Fri, Aug 28 - Tue, Sep 1
Multiple Airlines Logo
6:49 pm - 12:20 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
17h 31m1 stop San Diego
Multiple Airlines Logo
10:29 am - 12:29 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$225Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
12:24 pm - 2:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 06mnonstop
Multiple Airlines Logo
8:08 am - 1:12 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
5h 04m1 stop Portland
$229Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
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
$243United Airlines
Sat, Sep 5 - Mon, Sep 7
United Airlines Logo
2:44 pm - 4:45 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
$243United Airlines
Thu, Sep 3 - Sun, Sep 6
Delta Logo
6:45 pm - 10:55 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
4h 10m1 stop Salt Lake City
Delta Logo
6:28 pm - 10:46 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
4h 18m1 stop Salt Lake City
$263Delta
Thu, Sep 3 - Sun, Sep 6
Delta Logo
6:45 pm - 10:55 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
4h 10m1 stop Salt Lake City
Delta Logo
6:28 pm - 10:46 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
4h 18m1 stop Salt Lake City
$263Delta
Useful Info

Good to know

Low season

January

Cheapest flight

$54
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 16% lower on average.
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.

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)