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$189+ Cheap flights from Billings to Denver (BIL - DEN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Billings Logan Intl to Denver Intl are usually found in December or May, booked 72 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Billings to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 June 12, 2025.

Round-trip from

$189
(United Airlines)

Popular in

February

Cheapest in

December

Average price

$319

Good round-trip deal

$363 or less

Good one-way deal

$214 or less
From Billings Logan Intl to Denver Intl
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Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Billings Logan Intl to Denver Intl.
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Price to beat on a one-way flight from Billings Logan Intl to Denver Intl.
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Find flight deals from Billings to Denver

Cheapest flights from Billings to Denver
Explore the most affordable flight options available from Billings to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 7/97:00 amBIL - DEN
Nonstop1h 42mUnited Airlines
Wed 7/167:29 pmDEN - BIL
Nonstop1h 34mUnited Airlines
Deal found 6/11$189
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 8/25:20 amBIL - DEN
1 stop4h 04mDelta
Mon 8/46:25 pmDEN - BIL
1 stop5h 42mDelta
Deal found 6/10$209
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/236:00 amBIL - DEN
1 stop6h 10mAlaska Airlines
Fri 9/269:23 pmDEN - BIL
1 stop21h 15mAlaska Airlines
Deal found 6/11$322
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:26 pmBIL - DEN
2 stops26h 11mMultiple Airlines
Wed 7/1611:30 amDEN - BIL
2 stops33h 44mMultiple Airlines
Deal found 6/11$486

Cheapflights Fare Finder

Customize your flight search to find flights from Billings 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 June 12, 2025.
Use the filters below to find and compare flights from Billings to Denver that are best for you.

Fly from

Billings

Fly to

Denver

Route

Depart

Return

Price

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Wed 7/9

7:00 am-8:42 am

Nonstop1h 42m

Denver Intl

Wed 7/16

7:29 pm-9:03 pm

Nonstop1h 34m

$189

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Sat 8/2

5:20 am-9:24 am

1 stop4h 04m

Denver Intl

Mon 8/4

6:25 pm-12:07 am

1 stop5h 42m

$209

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Tue 9/23

6:00 am-12:10 pm

1 stop6h 10m

Denver Intl

Fri 9/26

9:23 pm-6:38 pm

1 stop21h 15m

$322

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Wed 7/9

5:26 pm-7:37 pm

2 stops26h 11m

Denver Intl

Wed 7/16

11:30 am-9:14 pm

2 stops33h 44m

$486

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Wed 6/25

6:39 pm-6:14 pm

2 stops23h 35m

$190

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Tue 7/15

5:20 am-6:17 pm

2 stops12h 57m

$205

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 8/28

7:00 am-8:42 am

Nonstop1h 42m

$214

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Tue 7/22

7:17 pm-11:59 pm

1 stop28h 42m

$223

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Fri 7/4

10:26 pm-9:23 am

3 stops34h 57m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Billings to Denver

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

Cheapflights Insights

Everything you need to know about your flight from Billings to Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Billings to Denver. Price data was last updated on June 9, 2025.

The best time to book flights from Billings to Denver is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Billings to Denver (average of $197). Flying from Billings 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 BIL to DEN?

Find hourly flight availability from Billings 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Billings to Denver by exploring options for tickets at noon.

Weekly flight availability from Billings to Denver

Explore weekly flight availability from Billings 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 June 12, 2025.

The most flights from BIL to DEN are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Billings to Denver by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Billings 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 Billings to Denver?

    You will need to book a flight from Billings Logan Intl to Denver Intl if you want to fly from Billings to Denver. At least 2 different airlines have flights from Billings Logan Intl (BIL) to Denver Intl (DEN) on a regular basis. There are 13 flights to Denver from the Billings airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BIL to DEN to be around 1h 39m.

  • How popular is this Billings to Denver flight route?

    This flight path from Billings Logan Intl to Denver Intl was viewed by 25 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 flying from Billings to Denver round-trip?

    Cheapflights users have booked flights from Billings to Denver round-trip from $189. Other airlines that can offer you cheap pricing are Delta, from $209, and Alaska Airlines, from $322. Users have found that United Airlines is 38% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $190 on Allegiant Air. Other airlines that offer cheap prices include Delta from $205 and United Airlines from $214 one-way.

  • What are the most reliable airlines from Billings 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 Billings to Denver on time: Air Canada (74%), United Airlines (72%), SkyWest Airlines (72%).

  • What are the cheapest flights from Billings to Denver?

    While on average a flight from Billings to Denver is generally $1,466, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Billings Logan Intl - Denver Intl), you can expect to pay $189 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Billings to Denver (average of $197). Flying from Billings 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 Billings?

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

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Top 2 airlines flying from Billings to Denver

Discover the top 2 airlines that operate flights from Billings 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$213FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$221Average$307FlexibilityNo cancel feeOn-time69%

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