$109 Find Cheap Flights from Billings to Denver - Compare and Save

These are the earliest and latest flight times available from Billings to Denver:

• Earliest: departs at 5:00 am and lands at 6:50 am
• Latest: departs at 5:57 pm and lands at 7:47 pm.

The flight takes about 1h 50m.

Two cabin classes are available on flights from Billings to Denver:

• Economy Class
• First Class

A nonstop flight from Billings to Denver takes 1h 50m, covering 455 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Billings to Denver range from $239 to $382, with an average of $282 over the past 12 months. Anything below $239 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 53% above the $282 route average. Book 20 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $263 round-trip via Minneapolis St Paul (MSP), compared to $286 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 170 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

Morning is the busiest departure period on Billings to Denver flights, with 51% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 16%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $295 to $1,347. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Billings to Denver are currently lower than usual. Average one-way flight prices are about $201, which is 32% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Flights from Billings to Denver usually depart from Billings Logan Intl (BIL) and arrive at Denver Intl (DEN).

One-stop flights from Billings to Denver most commonly connect through:

• Salt Lake City (SLC) - 72% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 22% of one-stop connections
• Minneapolis St Paul (MSP) - 6% of one-stop connections

Yes. Flexible dates can save you up to 39% on flights from Billings to Denver. Thursday is the cheapest departure day at $262 round-trip on average, while Monday is the most expensive at $427, a difference of $165.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Billings and Denver.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 17m, compared with 6h 37m via Minneapolis St Paul (MSP) and 7h 09m via Seattle/Tacoma Intl (SEA).

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Billings to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.