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 8/20. 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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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

Thu, Sep 17 - Sun, Sep 20
Frontier Logo
12:59 pm - 3:00 pm
BOI
-
DEN
2h 01mnonstop
Frontier Logo
10:30 pm - 2:57 pm
DEN
-
BOI
16h 27m
1 stop
$200Frontier
Fri, Sep 11 - Sat, Sep 12
United Airlines Logo
5:40 pm - 7:41 pm
BOI
-
DEN
2h 01mnonstop
United Airlines Logo
11:35 am - 1:35 pm
DEN
-
BOI
2h 00mnonstop
$202United Airlines
Mon, Aug 17 - Tue, Aug 18
Multiple Airlines Logo
4:23 pm - 9:40 pm
BOI
-
DEN
5h 17m
1 stop
Multiple Airlines Logo
10:29 am - 12:29 pm
DEN
-
BOI
2h 00mnonstop
$203Multiple Airlines
Mon, Aug 17 - Tue, Aug 18
Southwest Logo
3:45 pm - 11:10 pm
BOI
-
DEN
7h 25m
1 stop
Southwest Logo
9:15 pm - 11:10 pm
DEN
-
BOI
1h 55mnonstop
$207Southwest
Thu, Aug 13 - Sat, Aug 15
Southwest Logo
9:05 am - 3:35 pm
BOI
-
DEN
6h 30m
2 stops
Southwest Logo
9:05 am - 10:55 am
DEN
-
BOI
1h 50mnonstop
$208Southwest
Fri, Sep 18 - Tue, Sep 22
Multiple Airlines Logo
3:38 pm - 2:29 pm
BOI
-
DEN
22h 51m
1 stop
Multiple Airlines Logo
9:55 am - 12:04 pm
DEN
-
BOI
2h 09mnonstop
$209Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Alaska Airlines Logo
7:03 am - 9:13 pm
GEG
-
DEN
13h 10m
1 stop
Alaska Airlines Logo
7:08 pm - 11:59 pm
DEN
-
GEG
5h 51m
1 stop
$293Alaska Airlines
Fri, Sep 4 - Sun, Sep 6
Alaska Airlines Logo
7:03 am - 12:20 pm
GEG
-
DEN
28h 17m
1 stop
Alaska Airlines Logo
8:08 am - 11:48 am
DEN
-
GEG
4h 40m
1 stop
$303Alaska Airlines
Mon, Aug 17 - Sat, Aug 22
Delta Logo
11:37 am - 3:02 pm
TWF
-
DEN
3h 25m
1 stop
Delta Logo
3:56 pm - 10:18 pm
DEN
-
TWF
6h 22m
1 stop
$306Delta
Wed, Aug 19 - Wed, Aug 26
Delta Logo
6:16 am - 9:14 am
TWF
-
DEN
2h 58m
1 stop
Delta Logo
6:28 pm - 10:18 pm
DEN
-
TWF
3h 50m
1 stop
$316Delta
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Good to know

Low season

April

Cheapest flight

$54
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 20% 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)