Flights from Denver to Billings

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
09/25/25
direct
UA5339
01h 40min
Return
10/05/25
direct
UA0372
01h 43min
United Airlines ?
$238
Denver
Billings
Outbound
09/25/25
direct
UA0703
01h 33min
Return
10/05/25
direct
UA0372
01h 43min
United Airlines ?
$247
Denver
Billings
Outbound
09/25/25
direct
UA5257
01h 41min
Return
10/05/25
direct
UA5829
01h 51min
United Airlines
$262
Denver
Billings
Outbound
11/09/25
direct
UA5339
01h 46min
Return
12/07/25
direct
UA4758
01h 46min
United Airlines ?
$275
Denver
Billings
Outbound
11/09/25
direct
UA5339
01h 46min
Return
12/07/25
direct
UA0372
01h 42min
United Airlines ?
$280
Denver
Billings
Outbound
11/09/25
direct
UA5339
01h 46min
Return
12/07/25
direct
UA4758
01h 46min
United Airlines
$291
Denver
Billings
Outbound
09/25/25
1 Stopover (SEA)
F93405, AS2457
25h 42min
Return
10/05/25
2 Stopovers (LAS, PHX)
G40066, F94116, F92142
25h 41min
Frontier Airlines, Alaska Airlines ?
$352
Denver
Billings
Outbound
09/25/25
1 Stopover (SEA)
AS0621, AS2457
28h 38min
Return
10/05/25
1 Stopover (SEA)
AS2208, AS1163
26h 31min
Alaska Airlines ?
$504
Denver
Billings
Outbound
09/25/25
1 Stopover (SEA)
HA4865, HA6608
09h 09min
Return
10/05/25
1 Stopover (SEA)
HA4778, HA6555
05h 53min
Hawaiian Airlines ?
$775
Denver
Billings
Outbound
11/09/25
1 Stopover (SEA)
HA4868, HA6325
08h 00min
Return
12/07/25
1 Stopover (SEA)
HA4778, HA6649
08h 46min
Hawaiian Airlines ?
$805
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 $ 237,68
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