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Cheap flights from Denver to Idaho from $32

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Idaho departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:10 am - 11:17 am
DEN
-
BOI
2h 07mnonstop
Frontier Logo
12:07 pm - 2:08 pm
BOI
-
DEN
2h 01mnonstop
$66Frontier
vie., ene. 9 - dom., ene. 11
Frontier Logo
9:57 am - 11:28 am
DEN
-
GEG
2h 31mnonstop
Frontier Logo
7:32 pm - 8:38 am
GEG
-
DEN
12h 06m1 stop
$114Frontier
jue., feb. 26 - dom., mar. 1
Multiple Airlines Logo
7:00 am - 12:51 pm
DEN
-
BOI
5h 51m1 stop
Multiple Airlines Logo
2:01 pm - 4:01 pm
BOI
-
DEN
2h 00mnonstop
$121Multiple Airlines
jue., ene. 15 - dom., ene. 18
Multiple Airlines Logo
7:00 am - 12:51 pm
DEN
-
BOI
5h 51m1 stop
Multiple Airlines Logo
2:19 pm - 4:19 pm
BOI
-
DEN
2h 00mnonstop
$125Multiple Airlines
jue., ene. 8 - jue., ene. 15
United Airlines Logo
1:39 pm - 3:31 pm
DEN
-
IDA
1h 52mnonstop
United Airlines Logo
4:19 pm - 6:13 pm
IDA
-
DEN
1h 54mnonstop
$189United Airlines
jue., ene. 8 - jue., ene. 15
Delta Logo
3:59 pm - 10:19 pm
DEN
-
IDA
6h 20m1 stop
Delta Logo
5:25 am - 9:38 am
IDA
-
DEN
4h 13m1 stop
$209Delta
jue., ene. 8 - jue., ene. 15
United Airlines Logo
1:30 pm - 3:24 pm
DEN
-
IDA
1h 54mnonstop
United Airlines Logo
5:00 am - 7:03 am
IDA
-
DEN
2h 03mnonstop
$219United Airlines
jue., dic. 25 - dom., dic. 28
Delta Logo
6:50 pm - 4:24 pm
DEN
-
JAC
21h 34m2 stops
Delta Logo
5:30 pm - 12:27 pm
JAC
-
DEN
18h 57m2 stops
$306Delta
jue., ene. 22 - lun., ene. 26
Alaska Airlines Logo
7:00 am - 11:14 am
DEN
-
SUN
28h 14m1 stop
Alaska Airlines Logo
11:56 am - 11:35 pm
SUN
-
DEN
11h 39m1 stop
$343Alaska Airlines
sáb., ene. 24 - mié., ene. 28
Alaska Airlines Logo
5:09 pm - 11:14 am
DEN
-
SUN
18h 05m1 stop
Alaska Airlines Logo
8:21 pm - 12:38 pm
SUN
-
DEN
16h 17m1 stop
$345Alaska Airlines
vie., ene. 23 - lun., ene. 26

United Airlines flights from Denver to Idaho

Our best United Airlines deals on Denver to Idaho flight tickets
United Airlines
Jan 15
DEN11:30 amDenver Intl
2h 05m
BOI1:35 pmBoise Air Term. Gowen Fld
Jan 22
BOI9:48 amBoise Air Term. Gowen Fld
2h 12m
DEN12:00 pmDenver Intl
$177
Find similar
United Airlines
Jan 8
DEN1:39 pmDenver Intl
1h 52m
IDA3:31 pmIdaho Falls Fanning Field
Jan 15
IDA4:19 pmIdaho Falls Fanning Field
1h 54m
DEN6:13 pmDenver Intl
$189
Find similar
United Airlines
Jan 8
DEN5:30 pmDenver Intl
2h 15m
BOI7:45 pmBoise Air Term. Gowen Fld
Jan 9
BOI9:48 amBoise Air Term. Gowen Fld
2h 12m
DEN12:00 pmDenver Intl
$197
Find similar

Frontier flights from Denver to Idaho

Our best Frontier deals on Denver to Idaho flight tickets
Frontier
Jan 9
DEN9:10 amDenver Intl
2h 07m
BOI11:17 amBoise Air Term. Gowen Fld
Jan 11
BOI12:07 pmBoise Air Term. Gowen Fld
2h 01m
DEN2:08 pmDenver Intl
$66
Find similar
Frontier
Feb 12
DEN9:57 amDenver Intl
2h 31m
GEG11:28 amSpokane
Feb 19
GEG12:23 pmSpokane
2h 42m
DEN4:05 pmDenver Intl
$120
Find similar
Frontier
Feb 26
DEN2:02 pmDenver Intl
5h 35m
1 stop
GEG6:37 pmSpokane
Mar 1
GEG7:32 pmSpokane
12h 06m
1 stop
DEN8:38 amDenver Intl
$128
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 11, 2025.
Use the filters below to find and compare flights from Denver to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBoise

DEN - BOI

DENBOI

Denver Intl

vie. 1/9

9:10 am-11:17 am

Nonstop2h 07m

Boise Air Term. Gowen Fld

dom. 1/11

12:07 pm-2:08 pm

Nonstop2h 01m

$66

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

jue. 2/26

9:57 am-11:28 am

Nonstop2h 31m

Spokane

dom. 3/1

7:32 pm-8:38 am

1 stop12h 06m

$114

DenverBoise

DEN - BOI

DENBOI

Denver Intl

jue. 1/15

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

dom. 1/18

2:01 pm-4:01 pm

Nonstop2h 00m

$121

DenverBoise

DEN - BOI

DENBOI

Denver Intl

jue. 1/8

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

jue. 1/15

2:19 pm-4:19 pm

Nonstop2h 00m

$125

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

jue. 1/8

1:39 pm-3:31 pm

Nonstop1h 52m

Idaho Falls Fanning Field

jue. 1/15

4:19 pm-6:13 pm

Nonstop1h 54m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

jue. 1/8

3:59 pm-10:19 pm

1 stop6h 20m

Idaho Falls Fanning Field

jue. 1/15

5:25 am-9:38 am

1 stop4h 13m

$209

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

jue. 12/25

1:30 pm-3:24 pm

Nonstop1h 54m

Idaho Falls Fanning Field

dom. 12/28

5:00 am-7:03 am

Nonstop2h 03m

$219

DenverJackson

DEN - JAC

DENJAC

Denver Intl

jue. 1/22

6:50 pm-4:24 pm

2 stops21h 34m

Jackson Hole

lun. 1/26

5:30 pm-12:27 pm

2 stops18h 57m

$306

DenverHailey

DEN - SUN

DENSUN

Denver Intl

sáb. 1/24

7:00 am-11:14 am

1 stop28h 14m

Hailey Sun Valley-Friedman

mié. 1/28

11:56 am-11:35 pm

1 stop11h 39m

$343

DenverHailey

DEN - SUN

DENSUN

Denver Intl

vie. 1/23

5:09 pm-11:14 am

1 stop18h 05m

Hailey Sun Valley-Friedman

lun. 1/26

8:21 pm-12:38 pm

1 stop16h 17m

$345

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Denver to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Idaho?

In general, September is the cheapest month to fly from Denver to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $163. If you don’t want to visit Idaho in September, then you should wait until October to fly from Denver, when ticket prices are also cheap, with an average price of $210.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $193. On the other hand, Monday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $324.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Denver to Idaho in the morning for as low as $215. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $326 per ticket.

What is the cheapest Denver Intl to Idaho flight route?

Fly from Denver Intl to Boise Air Term. Gowen Fld for the best Denver Intl - Idaho flight prices

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $253 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Denver for as low as $162 on momondo.

What cabin class options are available on Denver Intl to Idaho flights?

There are 4 cabin classes available to choose from on Denver Intl to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Idaho flights?

No. A direct flight is the cheapest option for a flight between Denver to Idaho.

Cheap Denver to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Idaho

Best Price Found

$121

Fastest flight time

1h 27m

Direct flights

Every day

Airports in Idaho

27 airports
The best one-way flight to Idaho from Denver in the past 72 hours is $121. The best round-trip flight deal from Denver to Idaho found on momondo in the last 72 hours is $98.
The fastest flight from Denver to Idaho takes 1h 27m
Direct flights go from Denver to Idaho every day.
There are 27 airports in Idaho. From Denver there are direct flights to Idaho Falls Fanning Field (IDA), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI).
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to Idaho?

    Prices for flights from Denver Intl Airport to Idaho are updated daily.

  • How many operators does momondo search for flights from Denver Intl Airport to Idaho?

  • How old do you have to be to fly from Denver Intl Airport to Idaho?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Idaho?

Best airlines flying from Denver to Idaho

Compare and see reviews for airlines that fly from Denver to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $44Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
FrontierPriceFrom $59Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
SouthwestPriceFrom $197Free CancellationRating
7.9
4,253 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Idaho?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Idaho. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Idaho?

momondo provides multiple filters to help you find the best flight to Idaho from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Denver and alert you when they change.

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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sáb. 1/10
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