Flights from Denver to Billings

Trip type

Our cheapest offers for flights from Denver to Billings

Here you can compare cheap flights from Denver (DEN) to Billings (BIL) 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 Billings. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Billings
Outbound
04/03/26
direct
UA4762
01h 39min
Return
04/16/26
direct
UA4758
01h 53min
United Airlines ?
$239
Denver
Billings
Outbound
05/16/26
direct
UA1417
01h 37min
Return
05/29/26
direct
UA0478
01h 49min
United Airlines ?
$251
found 2 days ago
Denver
Billings
Outbound
04/03/26
direct
UA4762
01h 39min
Return
04/16/26
direct
UA0478
01h 43min
United Airlines ?
$261
Denver
Billings
Outbound
05/16/26
direct
UA1417
01h 37min
Return
05/29/26
direct
UA4758
01h 50min
United Airlines ?
$268
found 2 days ago
Denver
Billings
Outbound
03/28/26
direct
UA1417
01h 37min
Return
04/25/26
direct
UA4758
01h 52min
United Airlines ?
$269
Denver
Billings
Outbound
05/16/26
1 Stopover (SEA)
AS0643, AS2084
07h 16min
Return
05/29/26
1 Stopover (PDX)
AS2181, AS0711
06h 03min
Alaska Airlines ?
$698
found 2 days ago
Denver
Billings
Outbound
03/28/26
1 Stopover (PHX)
AA1762, AA3727
08h 45min
Return
04/25/26
1 Stopover (SEA)
AS2084, AS0602
07h 43min
American Airlines ?
$784
Denver
Billings
Outbound
04/03/26
1 Stopover (SEA)
HA4868, HA6478
07h 52min
Return
04/16/26
1 Stopover (SEA)
AS2555, AS0682
05h 49min
Hawaiian Airlines ?
$815
Denver
Billings
Outbound
04/03/26
direct
UA4762
01h 39min
Return
04/16/26
direct
UA4758
01h 53min
United Airlines ?
$849
Denver
Billings
Outbound
03/28/26
1 Stopover (SLC)
DL0952, DL3828
05h 11min
Return
04/25/26
1 Stopover (SLC)
DL1360, DL1553
06h 12min
Delta Air Lines ?
$1,209
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Billings

Favorite airline: United Airlines
41 % of flights from Denver to Billings are booked with United Airlines.
United Airlines
41 %
Delta
35 %
Alaska Airlines
24 %
Direct flights are cheaper
Compared to direct flights, flights with a stopover on this route are on average 19 % more expensive.
non stop flight
1 stop
01h 33min
05h 09min
$209
$259
The favorite connection is non-stop
41 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
01h 33min, from $209
41 %
1 stopover Salt Lake City International Airport, UT
05h 07min, from $274
29 %
1 stopover Seattle-Tacoma International Airport, WA
16h 20min, from $2,006
24 %

Important flight information

Flight information: Denver - Billings

Roundtrip from $239.00
Flight duration min. 01:31 / max. 01:49
Return flight duration min. 01:31/ max. 01:56
Distance 733 km
Flights per week 31
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Billings, MT (BIL)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Billings
Flight destinations with a similar price