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	Baggage	Price
Billings Denver	Outbound 04/21/25 1 Stopover (LAS) G40025, F91994 17h 56min	Return 05/19/25 1 Stopover (LAS) F91993, G41634 11h 32min	Allegiant Air, Frontier Airlines	?	$256
Best option Billings Denver	Outbound 06/18/25 direct UA5240 01h 52min	Return 07/15/25 direct UA5339 01h 37min	United Airlines	?	$269
Billings Denver Pay attention to transfer at connecting flight	Outbound 06/08/25 2 Stopovers (LAX, MSP) G42389, SY0430, SY0657 31h 29min	Return 06/12/25 2 Stopovers (MSP, LAS) SY0652, SY0777, G41634 35h 14min	Allegiant Air, Sun Country Airlines		$518
Billings Denver	Outbound 06/18/25 direct UA5829 01h 49min	Return 07/15/25 direct UA5257 01h 42min	United Airlines	?	$273
Billings Denver	Outbound 06/08/25 1 Stopover (LAX) G42389, F93156 23h 02min	Return 06/12/25 direct UA5257 01h 42min	Allegiant Air, Frontier Airlines	?	$282
Billings Denver	Outbound 04/12/25 direct UA4758 01h 51min	Return 04/27/25 direct UA5339 01h 38min	United Airlines	?	$284
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 04/12/25 direct UA4758 01h 51min	Return 04/27/25 direct UA4651 01h 39min	United Airlines	?	$307
Billings Denver	Outbound 04/12/25 direct UA4758 01h 51min	Return 04/27/25 direct UA5339 01h 38min	United Airlines	?	$422
Billings Denver	Outbound 06/18/25 1 Stopover (ORD) AA3433, AA1387 07h 39min	Return 07/15/25 1 Stopover (SEA) HA4867, HA6608 06h 18min	American Airlines	?	$631

Tips and tricks to help you find cheap flights from Billings to Denver

Important flight information

Flight information: Billings - Denver

Roundtrip from	$ 255,10
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

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