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Cheap Flights from Billings to Denver

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RatePunk searches hundreds of travel sites at once for deals on flights to Denver

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Billings to Denver

Explore current cheapest deals departing from Billings to Denver

Round trip

Sort by: Cheapest

August 3 - August 13

Cheapest

Best

BIL - Denver

$296

$224

Round trip

September 14 - September 24

BIL - Denver

$256

$232

Round trip

August 3 - August 27

BIL - Denver

$273

$244

Round trip

August 7 - August 10

BIL - Denver

$183

$248

Round trip

August 22 - August 23

BIL - Denver

$181

$248

Round trip

September 10 - September 13

BIL - Denver

$150

$248

Round trip

July 17 - July 19

BIL - Denver

$149

$249

Round trip

August 1 - August 22

BIL - Denver

$143

$249

Round trip

December 2 - December 16

BIL - Denver

$174

$249

Round trip

July 11 - July 14

Earliest

BIL - Denver

$151

$250

Round trip

Unlock all 500+ flight deals to Denver and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Billings to Denver

Fares for flights from Billings to Denver typically range from $419–$707, with a median of $616. Right now, fares are near the typical level. Currently, 0% of recent fares are classified as a good price, indicating that finding particularly low prices can be challenging. New deals appear almost daily, suggesting frequent opportunities to monitor prices.

For travelers seeking cheap flights from Billings to Denver, the cheapest time to fly is often January, with a median fare of $244. Other affordable months include July, with a median fare of $287, and April, where the median fare is $309. Planning your trip around these months could result in more favorable pricing.

The typical journey time for flights from Billings to Denver is 27h 51m, including connections. This extended duration reflects that most itineraries connect at least once. Only 23.5% of recent fares are for direct flights from Billings to Denver, meaning the majority of travelers will experience at least 3 stopovers on their journey to Denver.

The distance between Billings and Denver is 732 kilometers. This route is classified as a short-haul flight, meaning it covers a relatively short distance, though the typical journey time often includes significant layovers due to the prevalence of connecting flights.

How much is a round trip from Billings to Denver

Regular price: $238 - $376

Prices are currently below the regular range.

The regular price range for flights from Billings to Denver is $238 to $376. The current lowest deal is $224 with Allegiant Air, for travel from Aug 3-Aug 13.

now $224

Low $238

High $376

The cheapest time to fly from Billings to Denver

The cheapest month to fly from Billings to Denver is January, with a median price of $244. The most expensive month is August, with a median price of $638. Prices are generally lower from January to November.

January

Cheapest

Flights from $244

August

Most Expensive

Flights from $638

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Direct flights from Billings to Denver

United Airlines

Last-minute flights going from Billings to Denver

Fri, Jun 26

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$183

$339

One-way

Thu, Jul 2

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$160

$251

One-way

Thu, Jul 2

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$160

$265

One-way

Thu, Jul 2

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$133

$334

One-way

Fri, Jul 3

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$157

$251

One-way

Fri, Jul 3

⌛ Last-Minute

BIL - Denver

Billings (BIL) - Denver (DEN)

United Airlines

$156

$320

One-way

Biggest price drops on these dates for flights from Billings to Denver

3 nights

Aug 24 - Aug 27

$344 → $250

27%

3 nights

Aug 3 - Aug 6

$349 → $258

26%

10 nights

Aug 3 - Aug 13

$296 → $224

24%

3 nights

Oct 16 - Oct 19

$310 → $280

10%

Popular Airports to fly from Billings to Denver

Billings - Denver route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Billings to Denver are near the typical level of $616.

📅 Best time to fly

Fly in January for the best prices

Historically, January offers the lowest median price at $244 for flights from Billings to Denver.

⏱️ Flight duration

Expect 27h 51m on average

The typical flight duration from Billings to Denver is 27 hours and 51 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 23.5% of deals are direct, with connecting flights typically having 3 stopovers.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one carrier that historically offers direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Historically, deals for flights from Billings to Denver appear frequently, about 0.73 per day.

Billings main airports to depart from

Billings Logan International (BIL)

Cheapest

Billings Logan International Airport is a great choice for flights from Billings to Denver.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$224

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is a primary gateway to Denver, offering convenient access to the city and surrounding areas.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$224

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a reliable alternative to Denver with robust flight schedules and full cabin class availability.

📍 ~110 km from Denver (approximately 1.5 hours drive depending on I-25 traffic)

💸 Flights from ~$264

Eagle County Regional (EGE)

Eagle County Regional (EGE) is a primary alternative for travelers in the western mountains, offering significant hub connectivity.

📍 ~160 km from Denver (reachable by car)

💸 Flights from ~$678

Aspen–Pitkin County (ASE)

Aspen–Pitkin County (ASE) offers frequent service to major US hubs with a full range of cabin classes.

📍 ~165 km from Denver (reachable by car)

💸 Flights from ~$439

Cheyenne Regional (CYS)

Cheyenne Regional (CYS) is geographically close to northern Denver, offering easy parking and fast security.

📍 ~85 km from Denver (reachable by car)

💸 Flights from ~$367

Yampa Valley (HDN)

Yampa Valley (HDN) serves as a viable gateway for Northwest Colorado, offering business class service on select routes.

📍 ~200 km from Denver (reachable by car)

💸 Flights from ~$599

Business & First Class Flight Deals to Denver

37% AI deal score

$2,440

From BIL

Elite

Jul 07

Denver, United States

34% AI deal score

$2,414

Frequently Asked Questions About Flights to Denver

Historically, the best time to purchase tickets for flights from Billings to Denver is typically 7-13 days before departure. During this window, the average price for a ticket is around $410. Prices tend to be higher for bookings made further in advance, with tickets purchased 60+ days out averaging $693. Even last-minute bookings, within 0-6 days of departure, are generally more expensive, with an average price of $487.

Across the trailing quarter, a good price for a flight from Billings to Denver is considered to be $419 or less. The median price for this route during the same period was $616. Prices can go higher, with 75% of fares being above $707. Travelers aiming for a budget-friendly option should target fares at or below the $419 threshold.

Historically, the cheapest months to fly from Billings to Denver are January, with a median price of $244, and July, with a median price of $287. April also offers relatively lower prices, with a median of $309. These months are considerably more affordable than the annual median price of $616 for this route, based on data from the trailing 270 days.

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Cheap Flights from Billings to Denver

Today’s best flight deals from Billings to Denver

Unlock all 500+ flight deals to Denver and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Billings to Denver

How much is a round trip from Billings to Denver

The cheapest time to fly from Billings to Denver

Direct flights from Billings to Denver

Last-minute flights going from Billings to Denver

Biggest price drops on these dates for flights from Billings to Denver

Popular Airports to fly from Billings to Denver

Billings - Denver route insights

Recent fares are near the typical level

Fly in January for the best prices

Expect 27h 51m on average

Connecting flights are dominant

United Airlines offers direct flights

Deals are frequent on this route

Billings main airports to depart from

Denver main airports to arrive at

Airports nearby Denver used as alternative

Business & First Class Flight Deals to Denver

Best Elite deals to Denver

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Frequently Asked Questions About Flights to Denver

When should I buy Billings to Denver tickets?

When should I buy Billings to Denver tickets?

What's a cheap fare from Billings to Denver?

What's a cheap fare from Billings to Denver?

Which months have the cheapest flights from Billings to Denver?

Which months have the cheapest flights from Billings to Denver?

Are there direct flights from Billings to Denver?

Are there direct flights from Billings to Denver?

How long does it take to fly from Billings to Denver?

How long does it take to fly from Billings to Denver?

Should I set a price alert for Billings to Denver flights?

Should I set a price alert for Billings to Denver flights?

Related routes

Consider alternative routes from Billings