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
Best option
Billings
Denver
Outbound
11/03/25
direct
UA0478
01h 43min
Return
11/12/25
direct
UA0703
01h 33min
United Airlines ?
$216
Billings
Denver
Outbound
11/03/25
direct
UA4758
01h 49min
Return
11/12/25
direct
UA0703
01h 33min
United Airlines ?
$222
Billings
Denver
Outbound
10/10/25
direct
UA0372
01h 43min
Return
11/04/25
direct
UA5339
01h 33min
United Airlines ?
$225
Billings
Denver
Outbound
10/09/25
direct
UA0372
01h 42min
Return
11/01/25
direct
UA1884
01h 33min
United Airlines ?
$227
Billings
Denver
Outbound
10/10/25
direct
UA5829
01h 51min
Return
11/04/25
direct
UA1884
01h 33min
United Airlines ?
$232
Billings
Denver
Outbound
09/23/25
direct
UA4725
01h 51min
Return
09/30/25
direct
UA5339
01h 39min
United Airlines ?
$235
Billings
Denver
Outbound
10/09/25
direct
UA0372
01h 42min
Return
11/01/25
direct
UA5339
01h 33min
United Airlines ?
$237
Billings
Denver
Outbound
10/18/25
direct
UA5571
01h 50min
Return
11/17/25
direct
UA1884
01h 33min
United Airlines ?
$250
Billings
Denver
Outbound
10/18/25
direct
UA0372
01h 42min
Return
11/17/25
direct
UA1884
01h 33min
United Airlines ?
$261
Billings
Denver
Outbound
10/09/25
1 Stopover (SEA)
AS2084, AS1163
07h 47min
Return
11/01/25
1 Stopover (SEA)
AS0682, AS2208
06h 01min
Alaska Airlines ?
$399
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 $ 215,69
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