HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$106+ Cheap flights from Idaho to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 19, 2024.

Round-trip from

$258
(Southwest)

One-way from

$106
(Alaska Airlines)
From Idaho to Denver Intl
Search Deals
One-way flight from Idaho to Denver Intl
Search Deals

Find flight deals from Idaho to Denver

Cheapest flights from Idaho to Denver
Explore the most affordable flight options available from Idaho to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:00 amJAC - DEN
1 stop4h 42mDelta
Wed 1/16:15 amDEN - JAC
1 stop7h 57mDelta
Deal found 12/17$298
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/254:15 pmJAC - DEN
Nonstop1h 51mUnited Airlines
Sun 12/291:35 pmDEN - JAC
Nonstop1h 48mUnited Airlines
Deal found 12/18$339
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:10 pmBOI - DEN
1 stop5h 48mDelta
Sun 1/125:40 amDEN - BOI
1 stop4h 16mDelta
Deal found 12/18$400
This Southwest deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:05 pmBOI - DEN
1 stop5h 00mSouthwest
Fri 1/310:55 pmDEN - BOI
Nonstop2h 00mSouthwest
Deal found 12/18$415
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:00 amBOI - DEN
Nonstop2h 00mUnited Airlines
Sun 1/127:45 amDEN - BOI
Nonstop2h 20mUnited Airlines
Deal found 12/18$447
This Alaska Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/253:41 pmBOI - DEN
1 stop5h 13mAlaska Airlines
Sun 12/298:22 pmDEN - BOI
1 stop12h 48mAlaska Airlines
Deal found 12/18$457
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:41 pmIDA - DEN
Nonstop1h 57mUnited Airlines
Thu 3/277:20 pmDEN - IDA
Nonstop1h 46mUnited Airlines
Deal found 12/17$465
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:39 pmLWS - DEN
1 stop5h 35mDelta
Wed 1/18:00 amDEN - LWS
1 stop4h 59mDelta
Deal found 12/18$477
This United deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:15 amLWS - DEN
Nonstop2h 11mUnited Airlines
Sat 1/49:00 pmDEN - LWS
Nonstop2h 30mUnited Airlines
Deal found 12/18$479
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:20 amPIH - DEN
1 stop5h 22mDelta
Thu 1/28:00 amDEN - PIH
1 stop4h 34mDelta
Deal found 12/18$538
This Alaska Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amIDA - DEN
1 stop27h 41mAlaska Airlines
Thu 3/277:57 pmDEN - IDA
1 stop26h 38mAlaska Airlines
Deal found 12/17$558
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:00 amIDA - DEN
1 stop5h 42mDelta
Wed 1/18:00 amDEN - IDA
1 stop4h 26mDelta
Deal found 12/17$588

Find flights from Idaho to Denver within your budget

Customize your flight search to find flights from Idaho to Denver 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, Cheapflights users made 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 1/8

2:50 pm-4:45 pm

Nonstop1h 55m

Denver Intl

Wed 1/15

9:15 am-11:15 am

Nonstop2h 00m

$258

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Fri 1/10

5:50 pm-7:40 pm

Nonstop1h 50m

Denver Intl

Sun 1/12

8:00 am-9:52 am

Nonstop1h 52m

$259

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 1/9

7:00 am-9:00 am

Nonstop2h 00m

Denver Intl

Sun 1/12

7:45 am-10:05 am

Nonstop2h 20m

$263

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 1/16

4:59 pm-11:29 pm

1 stop6h 30m

Denver Intl

Sat 1/18

4:45 pm-9:13 pm

2 stops28h 28m

$272

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 3/12

11:45 am-3:09 pm

1 stop3h 24m

Denver Intl

Sun 3/16

6:30 pm-12:28 am

1 stop5h 58m

$276

Idaho FallsDenver

IDA - DEN

IDADEN

Idaho Falls Fanning Field

Sun 1/12

1:10 pm-7:21 pm

1 stop6h 11m

Denver Intl

Sat 1/18

5:40 am-12:30 pm

1 stop6h 50m

$278

JacksonDenver

JAC - DEN

JACDEN

Jackson Hole

Mon 12/30

7:00 am-11:42 am

1 stop4h 42m

Denver Intl

Wed 1/1

6:15 am-2:12 pm

1 stop7h 57m

$298

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Fri 1/31

5:39 pm-11:07 am

2 stops16h 28m

Denver Intl

Sun 2/2

7:00 am-9:09 pm

1 stop15h 09m

$328

SpokaneDenver

GEG - DEN

GEGDEN

Spokane

Wed 3/19

10:20 am-3:09 pm

1 stop3h 49m

Denver Intl

Sun 3/23

7:50 pm-12:23 am

1 stop5h 33m

$331

LewistonDenver

LWS - DEN

LWSDEN

Lewiston Nez Perce Rgnl

Wed 4/23

7:05 am-3:11 pm

2 stops7h 06m

Denver Intl

Sun 4/27

5:40 am-11:48 am

1 stop7h 08m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 43 results
1
2
3
...
5

Best time to book a flight from Idaho to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Idaho to Denver

Get recent, data-driven insights about flights from Idaho to Denver including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Idaho to Denver?

Currently, October is the cheapest month in which you can book a flight from Idaho to Denver (average of $197). Flying from Idaho to Denver in March is currently the most expensive (average of $271). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to DEN?

Find hourly flight availability from Idaho to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

When flying from Idaho to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated December 19, 2024.
Read reviews from past customers who have flown United Airlines, Delta and Southwest from Idaho to Denver. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,836 reviews
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,551 reviews
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,600 reviews
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
9,048 reviews
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,836 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Idaho?

    Most people fly into Denver Intl (DEN) if they book a flight to Denver from Idaho. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this Idaho to Denver flight route?

    This flight path from Idaho to Denver Intl was viewed by 102 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Idaho to Denver one-way?

    The cheapest airlines for a one-way flight from Idaho to Denver are Alaska Airlines ($106), United Airlines ($107), and Southwest ($117).

  • What are the most popular routes from Idaho to Denver?

    While some choose either Boise Air Term. Gowen Fld - Denver Intl or Idaho Falls Fanning Field - Denver Intl, Spokane - Denver Intl is the most popular route from Idaho to Denver.

  • What are the most reliable airlines from Idaho to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to Denver on time: Air Canada (91%), Southwest (89%), United Airlines (87%).

  • What are the cheapest flights from Idaho to Denver?

    The cheapest flight price from Idaho to Denver is $159. On average you can expect to pay $1,059. The most popular route, (Spokane - Denver Intl), can usually be booked for $325.

  • Can I find deals for flights from Idaho to Denver that include hotel bookings?

    Yes. In addition to deals on Idaho to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Denver.

  • Can I find deals for business class flights from Idaho to Denver?

    Yes. Cheapflights offers flight deals from Idaho to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Denver?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Denver (average of $197). Flying from Idaho to Denver in March is currently the most expensive (average of $271). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Denver

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Denver flights
LaGuardia to Denver flights
Dallas/Fort Worth to Denver flights
Hobby to Denver flights
O'Hare Intl to Denver flights
Atlanta to Denver flights
Newark to Denver flights
Miami to Denver flights
Seattle to Denver flights
George Bush Intcntl to Denver flights
Boston to Denver flights
Philadelphia to Denver flights
Dulles Intl to Denver flights
Orlando to Denver flights
Baltimore to Denver flights
Los Angeles to Denver flights
Reagan-National to Denver flights
Austin to Denver flights
Fort Lauderdale to Denver flights
Charlotte to Denver flights
Tampa to Denver flights
Minneapolis to Denver flights
Cincinnati to Denver flights
Detroit to Denver flights
San Francisco to Denver flights
Ontario to Denver flights
Cleveland to Denver flights
Pittsburgh to Denver flights
Midway to Denver flights
Sky Harbor Intl to Denver flights
Portland to Denver flights
Raleigh to Denver flights
Love Field to Denver flights
Newark to Vail flights
San Diego to Denver flights
Santa Ana to Denver flights
West Palm Beach to Denver flights
San Antonio to Denver flights
John F Kennedy Intl to Vail flights
Hartford to Denver flights
San Jose to Denver flights
Dallas/Fort Worth to Vail flights
Indianapolis to Denver flights
St. Louis to Denver flights
New Orleans to Denver flights
Nashville to Denver flights
Jacksonville to Denver flights
Milwaukee to Denver flights
Kansas City to Denver flights
Madison to Denver flights

Top 4 airlines flying from Idaho to Denver

Discover the top 4 airlines that operate flights from Idaho to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$335FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$191Average$387FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$233Average$287FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.