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
09/04/25
direct
UA5339
01h 39min
Return
09/28/25
direct
UA0372
01h 42min
United Airlines ?
$214
Denver
Billings
Pay attention to transfer at connecting flight
Outbound
06/08/25
2 Stopovers (MSP, LAS)
SY0652, SY0777, G41634
35h 14min
Return
06/12/25
2 Stopovers (LAX, MSP)
G42389, SY0430, SY0657
31h 29min
Sun Country Airlines, Allegiant Air
$547
Denver
Billings
Outbound
09/19/25
direct
UA1884
01h 33min
Return
09/29/25
direct
UA4758
01h 49min
United Airlines ?
$215
Denver
Billings
Outbound
09/04/25
direct
UA5498
01h 38min
Return
09/28/25
direct
UA0478
01h 42min
United Airlines ?
$222
Denver
Billings
Outbound
06/07/25
direct
UA4763
01h 36min
Return
06/23/25
direct
UA0372
01h 42min
United Airlines
$247
Denver
Billings
Outbound
06/08/25
direct
UA4725
01h 36min
Return
06/12/25
1 Stopover (LAX)
G42389, F94346
27h 24min
United Airlines ?
$272
Denver
Billings
Outbound
06/18/25
direct
UA1884
01h 34min
Return
07/15/25
direct
UA5282
01h 45min
United Airlines ?
$321
Denver
Billings
Outbound
06/08/25
direct
UA4725
01h 36min
Return
06/12/25
direct
UA5829
01h 49min
United Airlines ?
$421
Denver
Billings
Outbound
11/03/25
1 Stopover (SEA)
HA4868, HA6606
05h 51min
Return
11/12/25
1 Stopover (SEA)
AS2084, AS0602
05h 54min
Hawaiian Airlines ?
$556
Denver
Billings
Outbound
11/03/25
1 Stopover (DFW)
AA3285, AA4095
05h 44min
Return
11/12/25
1 Stopover (PHX)
AA3661, AA1414
06h 12min
American Airlines ?
$614
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 $213.55
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