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Cheap flights from Billings to Denver from $189

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Denver 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 Billings to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:13 pm - 6:07 pm
BIL
-
DEN
1h 54mnonstop
United Airlines Logo
7:44 pm - 9:23 pm
DEN
-
BIL
1h 39mnonstop
$189United Airlines
Fri, Jan 9 - Sun, Jan 11
United Airlines Logo
7:00 am - 8:47 am
BIL
-
DEN
1h 47mnonstop
United Airlines Logo
8:00 am - 9:50 am
DEN
-
BIL
1h 50mnonstop
$201United Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
5:15 am - 9:38 am
BIL
-
DEN
4h 23m1 stop
Delta Logo
3:59 pm - 10:31 pm
DEN
-
BIL
6h 32m1 stop
$209Delta
Fri, Jan 9 - Sun, Jan 11
United Airlines Logo
7:00 am - 8:47 am
BIL
-
DEN
1h 47mnonstop
United Airlines Logo
8:00 am - 9:50 am
DEN
-
BIL
1h 50mnonstop
$218United Airlines
Thu, Feb 19 - Mon, Feb 23
Delta Logo
5:14 am - 11:00 am
BIL
-
DEN
5h 46m1 stop
Delta Logo
6:23 pm - 10:31 pm
DEN
-
BIL
4h 08m1 stop
$224Delta
Fri, Jan 2 - Tue, Jan 6
United Airlines Logo
6:35 am - 8:19 am
BIL
-
DEN
1h 44mnonstop
United Airlines Logo
1:40 pm - 3:20 pm
DEN
-
BIL
1h 40mnonstop
$227United Airlines
Sat, Jan 3 - Wed, Jan 7
Delta Logo
5:10 am - 9:24 am
BIL
-
DEN
4h 14m1 stop
Delta Logo
6:20 pm - 10:26 pm
DEN
-
BIL
4h 06m1 stop
$239Delta
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
7:00 am - 8:47 am
BIL
-
DEN
1h 47mnonstop
United Airlines Logo
8:00 am - 9:50 am
DEN
-
BIL
1h 50mnonstop
$249United Airlines
Fri, Feb 20 - Mon, Feb 23
Delta Logo
5:15 am - 11:00 am
BIL
-
DEN
5h 45m1 stop
Delta Logo
4:10 pm - 10:31 pm
DEN
-
BIL
6h 21m1 stop
$254Delta
Sat, Jan 3 - Tue, Jan 6
Delta Logo
5:10 am - 9:24 am
BIL
-
DEN
4h 14m1 stop
Delta Logo
3:59 pm - 10:26 pm
DEN
-
BIL
6h 27m1 stop
$269Delta
Thu, Feb 26 - Sun, Mar 1

United Airlines flights from Billings to Denver

Our best United Airlines deals on Billings to Denver flight tickets
United Airlines
Jan 9
BIL6:30 amBillings Logan Intl
1h 43m
DEN8:13 amDenver Intl
Jan 11
DEN11:45 amDenver Intl
1h 39m
BIL1:24 pmBillings Logan Intl
$189
Find similar
United Airlines
Feb 19
BIL7:00 amBillings Logan Intl
1h 47m
DEN8:47 amDenver Intl
Feb 23
DEN8:00 amDenver Intl
1h 50m
BIL9:50 amBillings Logan Intl
$201
Find similar
United Airlines
Feb 19
BIL7:00 amBillings Logan Intl
1h 47m
DEN8:47 amDenver Intl
Feb 23
DEN8:00 amDenver Intl
1h 50m
BIL9:50 amBillings Logan Intl
$218
Find similar

Delta flights from Billings to Denver

Our best Delta deals on Billings to Denver flight tickets
Delta
Jan 9
BIL5:15 amBillings Logan Intl
4h 23m
1 stop
DEN9:38 amDenver Intl
Jan 11
DEN3:59 pmDenver Intl
6h 32m
1 stop
BIL10:31 pmBillings Logan Intl
$209
Find similar
Delta
Jan 2
BIL5:14 amBillings Logan Intl
5h 46m
1 stop
DEN11:00 amDenver Intl
Jan 6
DEN6:23 pmDenver Intl
4h 08m
1 stop
BIL10:31 pmBillings Logan Intl
$224
Find similar
Delta
Feb 19
BIL5:10 amBillings Logan Intl
4h 14m
1 stop
DEN9:24 amDenver Intl
Feb 23
DEN6:20 pmDenver Intl
4h 06m
1 stop
BIL10:26 pmBillings Logan Intl
$239
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Billings to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Fri 1/9

4:13 pm-6:07 pm

Nonstop1h 54m

Denver Intl

Sun 1/11

7:44 pm-9:23 pm

Nonstop1h 39m

$189

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 2/19

7:00 am-8:47 am

Nonstop1h 47m

Denver Intl

Mon 2/23

8:00 am-9:50 am

Nonstop1h 50m

$201

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Fri 1/9

5:15 am-9:38 am

1 stop4h 23m

Denver Intl

Sun 1/11

3:59 pm-10:31 pm

1 stop6h 32m

$209

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 2/19

7:00 am-8:47 am

Nonstop1h 47m

Denver Intl

Mon 2/23

8:00 am-9:50 am

Nonstop1h 50m

$218

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Fri 1/2

5:14 am-11:00 am

1 stop5h 46m

Denver Intl

Tue 1/6

6:23 pm-10:31 pm

1 stop4h 08m

$224

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Sat 1/3

6:35 am-8:19 am

Nonstop1h 44m

Denver Intl

Wed 1/7

1:40 pm-3:20 pm

Nonstop1h 40m

$227

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 2/19

5:10 am-9:24 am

1 stop4h 14m

Denver Intl

Mon 2/23

6:20 pm-10:26 pm

1 stop4h 06m

$239

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Fri 2/20

7:00 am-8:47 am

Nonstop1h 47m

Denver Intl

Mon 2/23

8:00 am-9:50 am

Nonstop1h 50m

$249

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Sat 1/3

5:15 am-11:00 am

1 stop5h 45m

Denver Intl

Tue 1/6

4:10 pm-10:31 pm

1 stop6h 21m

$254

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 2/26

5:10 am-9:24 am

1 stop4h 14m

Denver Intl

Sun 3/1

3:59 pm-10:26 pm

1 stop6h 27m

$269

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 Denver from

How to get the cheapest flight ticket from Billings to Denver

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 typical price of a round-trip flight between Billings and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Billings is in September. Flight prices, which tend to average around $254, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Billings, when ticket prices are also cheap, with an average price of $254.

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

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $490. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $636.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $487. Flights in the morning are often more expensive with an average ticket price of $551.

What is the cheapest Billings Logan Intl to Denver Intl flight route?

Fly from Billings Logan Intl to Denver Intl for the best Billings Logan Intl - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Billings when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Billings for as low as $225 on momondo.

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

There are 4 cabin classes available to choose from on Billings Logan Intl to Denver Intl 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 Billings to Denver flights?

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

How have Billings to Denver flight prices changed over time?

As of December 2025, prices for Billings to Denver flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Billings to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billings to Denver (BIL to DEN) flight deals and tips

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

Best Price Found

$250

Fastest flight time

1h 39m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Billings in the past 72 hours is $250. The best round-trip flight deal from Billings to Denver found on momondo in the last 72 hours is $383.
The fastest flight from Billings to Denver takes 1h 39m
Direct flights go from Billings to Denver on Monday, Tuesday, Friday, Saturday and Sunday. The only airline offering direct flights is United Airlines.
There is 1 airport in Denver. From Billings there are direct flights to Denver Intl (DEN).
Search flight deals

  • How far is Billings Logan Intl to Denver Intl by plane?

    The distance between Billings Logan Intl and Denver Intl is about 453.7 mi. Typically, this will take 1h 39m by plane in normal conditions.

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

    Prices for flights from Billings Logan Intl Airport to Denver Intl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Billings to Denver?

Best airlines flying from Billings to Denver

Compare and see reviews for airlines that fly from Billings to Denver with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $178Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

  • United Airlines Flights From Billings to Denver

    United Airlines is one of the most popular airlines flying from Billings to Denver, operating 18 flights/week on average for this route. A good United Airlines flight deal for Billings to Denver starts from $189 round-trip, up to an average price of $293. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Billings to Denver for you.

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

Flights from Billings to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Billings to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Billings to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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