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
10/18/25
direct
UA4758
01h 46min
Return
10/24/25
direct
UA5257
01h 39min
United Airlines ?
$214
Billings
Denver
Outbound
08/14/25
direct
UA4758
01h 45min
Return
09/11/25
direct
UA0703
01h 33min
United Airlines ?
$216
Billings
Denver
Outbound
07/02/25
direct
UA5282
01h 45min
Return
07/25/25
direct
UA1884
01h 34min
United Airlines ?
$222
Billings
Denver
Outbound
08/28/25
direct
UA0372
01h 39min
Return
09/19/25
direct
UA5257
01h 39min
United Airlines ?
$229
Billings
Denver
Outbound
07/02/25
direct
UA5240
01h 53min
Return
07/25/25
direct
UA1884
01h 34min
United Airlines
$234
Billings
Denver
Outbound
06/18/25
1 Stopover (SLC)
DL1360, DL3172
03h 54min
Return
07/15/25
1 Stopover (SLC)
DL2544, DL3773
05h 17min
Delta Air Lines ?
$292
Billings
Denver
Outbound
08/19/25
direct
UA5240
01h 50min
Return
09/02/25
direct
UA5257
01h 39min
United Airlines ?
$360
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
Billings
Denver
Outbound
10/10/25
1 Stopover (SEA)
HA4776, HA6654
07h 47min
Return
11/04/25
1 Stopover (SEA)
HA4868, HA6606
05h 51min
Hawaiian Airlines ?
$521
Billings
Denver
Outbound
07/08/25
1 Stopover (SEA)
HA4778, HA6555
05h 53min
Return
08/07/25
1 Stopover (SEA)
HA4849, HA6607
10h 37min
Hawaiian Airlines
$569
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 $213.57
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