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
Denver
Billings
Outbound
02/13/26
1 Stopover (SLC)
DL2544, DL4038
05h 38min
Return
02/26/26
1 Stopover (SLC)
DL1360, DL0681
04h 07min
Delta Air Lines ?
$237
Best option
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
02/13/26
direct
UA5339
01h 52min
Return
02/26/26
direct
UA0372
01h 47min
United Airlines ?
$345
Denver
Billings
Outbound
02/13/26
1 Stopover (SEA)
HA4868, HA6606
05h 51min
Return
02/26/26
1 Stopover (SEA)
HA4776, HA6650
05h 54min
Hawaiian Airlines ?
$734
Denver
Billings
Outbound
02/13/26
2 Stopovers (LAX, PHX)
AA6429, AA2743, AA3727
09h 07min
Return
02/26/26
1 Stopover (PHX)
AA3661, AA1997
10h 04min
American Airlines ?
$766
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
Denver
Billings
Outbound
11/09/25
1 Stopover (SEA)
AS0643, AS2457
17h 07min
Return
12/07/25
1 Stopover (SEA)
AS2084, AS0682
21h 42min
Alaska Airlines ?
$968
Denver
Billings
Outbound
11/09/25
1 Stopover (SEA)
F91175, AS2457
14h 07min
Return
12/07/25
4 Stopovers (DEN, FRA, BUD, MUC)
UA0372, LH7582, LH1338, LH1679, LH0480
55h 35min
Frontier Airlines, Alaska Airlines ?
$1,875
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 $236.74
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