$211 Find Cheap Flights from Denver to Billings - Compare and Save

Among airlines operating Denver to Billings flights:

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

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

Only United Airlines operates flights between Denver and Billings.

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

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

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

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

• Economy Class
• First Class

On this route, nonstop and layover fares are close on average, with nonstop at $286 round-trip and layover options via Salt Lake City (SLC) at $287.

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 737-900 variants.

Connecting flights from Denver to Billings most commonly pass through:

• Salt Lake City (SLC) - 75% of one-stop connections
• Portland (PDX) - 25% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the Denver to Billings route, being flexible with your departure day can save you up to 46%. Saturday is the cheapest day at $249 round-trip on average, while Monday is the most expensive at $459: a $210 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Denver to Billings flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, evening flights for 20%, and night flights for 0%.

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

• Earliest: departs at 8:00 am and lands at 9:41 am
• Latest: departs at 11:55 pm and lands at 1:36 am.

The flight takes about 1h 41m.

A nonstop flight from Denver to Billings takes 1h 41m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $279 to $1,267. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Denver to Billings are currently lower than usual. Average one-way flight prices are about $230, which is 24% below the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 00m, compared with 6h 28m via Portland (PDX).

Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
• Rent-A-Wreck
• Budget
• Avis
• Alamo
• Hertz

Round-trip flights from Denver to Billings range from $245 to $389, with an average of $286 over the past 12 months. Anything below $245 counts as a good deal.