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 8/25. 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

Mon, Sep 14 - Thu, Sep 17
Frontier Logo
2:50 pm - 10:07 am
BOI
-
DEN
19h 17m
1 stop
Frontier Logo
2:29 pm - 1:55 pm
DEN
-
BOI
23h 26m
2 stops
$200Frontier
Thu, Sep 10 - Mon, Sep 14
Frontier Logo
2:50 pm - 11:44 pm
BOI
-
DEN
8h 54m
1 stop
Frontier Logo
7:30 am - 1:55 pm
DEN
-
BOI
6h 25m
1 stop
$201Frontier
Wed, Oct 28 - Fri, Oct 30
Southwest Logo
12:55 pm - 2:45 pm
BOI
-
DEN
1h 50mnonstop
Southwest Logo
1:15 pm - 3:10 pm
DEN
-
BOI
1h 55mnonstop
$202Southwest
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
3:52 pm - 3:52 am
BOI
-
DEN
12h 00m
1 stop
Multiple Airlines Logo
7:50 am - 12:57 pm
DEN
-
BOI
5h 07m
1 stop
$203Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
12:24 pm - 2:30 pm
BOI
-
DEN
2h 06mnonstop
Multiple Airlines Logo
8:08 am - 1:21 pm
DEN
-
BOI
5h 13m
1 stop
$204Multiple Airlines
Tue, Nov 17 - Thu, Nov 19
Southwest Logo
11:30 am - 5:40 pm
BOI
-
DEN
6h 10m
1 stop
Southwest Logo
9:00 am - 11:00 am
DEN
-
BOI
2h 00mnonstop
$207Southwest
Mon, Sep 7 - Fri, Sep 11
United Airlines Logo
6:30 am - 8:31 am
BOI
-
DEN
2h 01mnonstop
United Airlines Logo
7:40 am - 9:35 am
DEN
-
BOI
1h 55mnonstop
$212United Airlines
Fri, Sep 11 - Mon, Sep 14
United Airlines Logo
5:00 am - 7:10 am
BOI
-
DEN
2h 10mnonstop
United Airlines Logo
7:40 am - 9:35 am
DEN
-
BOI
1h 55mnonstop
$212United Airlines
Sat, Aug 22 - Tue, Aug 25
Delta Logo
6:00 am - 9:14 am
BOI
-
DEN
3h 14m
1 stop
Delta Logo
5:35 am - 9:48 am
DEN
-
BOI
4h 13m
1 stop
$217Delta
Thu, Aug 20 - Mon, Aug 24
Delta Logo
6:00 am - 9:14 am
BOI
-
DEN
3h 14m
1 stop
Delta Logo
6:28 pm - 11:59 pm
DEN
-
BOI
5h 31m
1 stop
$217Delta
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Good to know

Low season

April

Cheapest flight

$54
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 23% 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.

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)