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$49+ Cheap flights from Boise to Denver (BOI - 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Boise Air Term. Gowen Fld to Denver Intl are usually found in August or January, booked 75 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Boise to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$54
(Frontier)

Popular in

November

Cheapest in

August

Average price

$300

Good round-trip deal

$375 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Denver Intl flights.
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From Boise Air Term. Gowen Fld to Denver Intl
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One-way flight from Boise Air Term. Gowen Fld to Denver Intl
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Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Denver Intl.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Denver Intl.
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Find flight deals from Boise to Denver

Cheapest flights from Boise to Denver
Explore the most affordable flight options available from Boise to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 4/26:10 amBOI - DEN
1 stop6h 53mDelta
Thu 4/106:10 amDEN - BOI
1 stop7h 15mDelta
Deal found 2/20$217
This Southwest deal was found by Cheapflights users on 2/20. 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.
Mon 3/104:35 pmBOI - DEN
2 stops8h 10mSouthwest
Thu 3/138:40 amDEN - BOI
1 stop7h 10mSouthwest
Deal found 2/20$222
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/57:59 pmBOI - DEN
1 stop18h 54mAlaska Airlines
Tue 4/82:53 pmDEN - BOI
1 stop9h 06mAlaska Airlines
Deal found 2/20$226
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/75:25 pmBOI - DEN
Nonstop1h 59mUnited Airlines
Sat 5/108:50 pmDEN - BOI
Nonstop2h 02mUnited Airlines
Deal found 2/20$228
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:36 pmBOI - DEN
Nonstop1h 58mMultiple Airlines
Sun 6/227:00 amDEN - BOI
1 stop6h 45mMultiple Airlines
Deal found 2/20$296
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:37 amBOI - DEN
2 stops9h 18mAmerican Airlines
Sat 5/106:46 pmDEN - BOI
1 stop4h 49mAmerican Airlines
Deal found 2/20$342
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:00 amBOI - DEN
1 stop8h 12mHawaiian Airlines
Fri 3/75:08 pmDEN - BOI
1 stop6h 51mHawaiian Airlines
Deal found 2/20$369

Find flights from Boise to Denver within your budget

Customize your flight search to find flights from Boise 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 February 20, 2025.

Fly from

Boise

Fly to

Denver

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 4/3

5:59 pm-10:27 pm

1 stop4h 28m

Denver Intl

Tue 4/8

6:10 am-1:25 pm

1 stop7h 15m

$217

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 3/10

4:35 pm-12:45 am

2 stops8h 10m

Denver Intl

Thu 3/13

8:40 am-3:50 pm

1 stop7h 10m

$222

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sat 4/5

7:59 pm-2:53 pm

1 stop18h 54m

Denver Intl

Tue 4/8

2:53 pm-11:59 pm

1 stop9h 06m

$226

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 5/7

5:25 pm-7:24 pm

Nonstop1h 59m

Denver Intl

Sat 5/10

9:51 am-4:21 pm

1 stop6h 30m

$228

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 8/7

12:36 pm-2:34 pm

Nonstop1h 58m

Denver Intl

Sun 8/10

9:50 am-11:47 am

Nonstop1h 57m

$233

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Sat 3/8

5:10 pm-11:49 pm

1 stop6h 39m

Denver Intl

Tue 3/11

5:08 pm-10:41 pm

1 stop5h 33m

$283

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 6/19

12:36 pm-2:34 pm

Nonstop1h 58m

Denver Intl

Sun 6/22

7:00 am-1:45 pm

1 stop6h 45m

$296

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 4/7

1:51 pm-9:48 pm

1 stop7h 57m

Denver Intl

Sat 4/12

1:18 pm-11:34 pm

2 stops10h 16m

$362

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 5/15

12:36 pm-2:34 pm

Nonstop1h 58m

$49

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 4/16

9:00 am-1:53 pm

1 stop4h 53m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
2

Compare providers for flights from Boise to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Denver in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Boise 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 Boise to Denver

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

How far ahead should I book a flight from Boise to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Denver. Price data was last updated on February 14, 2025.

The price you pay for your flight from Boise to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Boise to Denver (average of $197). Flying from Boise to Denver in March is currently the most expensive (average of $278). 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 BOI to DEN?

Find hourly flight availability from Boise 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 February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Boise to Denver in the afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Boise to Denver?

Use this chart to determine the cheapest time to fly round-trip from Boise to Denver. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Boise to Denver flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boise to Denver

Explore weekly flight availability from Boise to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2025.

The most flights from BOI to DEN are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Boise to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

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

  • What airports do I use to fly from Boise to Denver?

    You will need to book a flight from Boise Air Term. Gowen Fld to Denver Intl if you want to fly from Boise to Denver. At least 4 different airlines have flights from Air Term. Gowen Fld (BOI) to Denver Intl (DEN) on a regular basis. There are 10 flights to Denver from the Boise airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOI to DEN to be around 1h 50m.

  • How popular is this Boise to Denver flight route?

    Flights from Boise Air Term. Gowen Fld to Denver Intl have been viewed 87 times in the past calendar month.

  • What are the cheapest airlines flying from Boise to Denver round-trip?

    Currently priced at $217, Delta will fly you from Boise to Denver and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $222 and $226, respectively. These flights start at 30% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Hawaiian Airlines and United Airlines, as they are both options that can get you from Boise to Denver for a low price.

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

    Before booking your flight to Denver from Boise, check out the most reliable airlines to get you to your destination on time: Copa Airlines (87%), Lufthansa (80%), Southwest( 76%).

  • What are the cheapest flights from Boise to Denver?

    Looking for the cheapest flight from Boise to Denver? While on average our users pay $865, our data indicates the cheapest price to be $140. The most popular route (Boise Air Term. Gowen Fld - Denver Intl), is priced around $134.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Denver?

    Currently, October is the cheapest month in which you can book a flight from Boise to Denver (average of $197). Flying from Boise to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Keystone
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Copper Mountain
Longmont
Thornton
Limon
Dillon

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Top 4 airlines flying from Boise to Denver

Discover the top 4 airlines that operate flights from Boise 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$244FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$191Average$387FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$200Average$322FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$223Average$284FlexibilityNo cancel feeOn-time63%
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