Flights from Billings to Denver

Our cheapest offers for flights from Billings to Denver

Here you can compare cheap flights from Billings (BIL) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Billings
Denver
Outbound
04/21/25
1 Stopover (LAS)
G40025, F91994
17h 56min
Return
05/19/25
1 Stopover (LAS)
F91993, G41634
11h 32min
Allegiant Air, Frontier Airlines ?
$256
Best option
Billings
Denver
Outbound
04/12/25
direct
UA4758
01h 51min
Return
04/27/25
direct
UA5339
01h 38min
United Airlines ?
$277
found 3 days ago
Billings
Denver
Outbound
06/10/25
direct
UA5240
01h 52min
Return
06/29/25
direct
UA5339
01h 33min
United Airlines ?
$282
Billings
Denver
Outbound
04/12/25
direct
UA4758
01h 51min
Return
04/27/25
direct
UA5339
01h 38min
United Airlines ?
$284
found 3 days ago
Billings
Denver
Outbound
06/10/25
direct
UA5240
01h 52min
Return
06/29/25
direct
UA5339
01h 33min
United Airlines ?
$287
Billings
Denver
Outbound
04/12/25
direct
UA4758
01h 51min
Return
04/27/25
direct
UA5339
01h 38min
United Airlines
$298
found 3 days ago
Billings
Denver
Outbound
04/12/25
direct
UA4758
01h 51min
Return
04/27/25
direct
UA4651
01h 39min
United Airlines ?
$307
found 3 days ago
Billings
Denver
Outbound
06/10/25
direct
UA4758
01h 46min
Return
06/29/25
direct
UA5339
01h 33min
United Airlines ?
$321
Billings
Denver
Outbound
04/21/25
direct
UA0478
01h 42min
Return
05/19/25
direct
UA1884
01h 33min
United Airlines ?
$322
Billings
Denver
Outbound
06/20/25
1 Stopover (LAS)
G41704, F94968
26h 41min
Return
07/19/25
1 Stopover (LAX)
F94345, G40767
11h 09min
Allegiant Air, Frontier Airlines ?
$349
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Billings to Denver

Favorite airline: United Airlines
The favorite airline for flights from Billings to Denver is United Airlines.
United Airlines
50 %
Alaska Airlines
25 %
Delta
25 %
Direct flights are the cheapest connection
Compared to flights with a stopover, direct flights are $35.00 cheaper on this route.
non stop flight
1 stop
01h 53min
06h 17min
$302
$337
The favorite connection is non-stop
67 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
01h 53min, from $302
67 %
1 stopover Salt Lake City International Airport, UT
06h 17min, from $337
33 %

Important flight information

Flight information: Billings - Denver

Roundtrip from $255.10
Flight duration min. 01:31 / max. 01:56
Return flight duration min. 01:31/ max. 01:49
Distance 733 km
Flights per week 31
Departure airport Airport Billings, MT (BIL)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States
Alternative flights to Denver
Flight destinations with a similar price