Route guide · 678 miles
Cheap Flights from Missoula to Denver
MSO → DEN · Nonstop 1h 53m · Live round-trip fares
The run from Missoula (MSO) to Denver (DEN) is 678 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 2–4 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for MSO → DEN are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 53m
Nonstop, typical
Distance
678 mi
MSO → DEN
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
United Airlines
Nonstop flights from Missoula to Denver
The fastest way between the two cities is the nonstop: about 1h 53m for the 678-mile run from MSO to DEN. Those flights are flown by United Airlines. Prices behave best when you book 2–4 weeks out.
Booking insights: Missoula → Denver
- Distance: 678 miles · nonstop flight time: 1h 53m.
- Cheapest upcoming week in the live data starts around Oct 15, with fares from $165.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Cheapest month · Missoula → Denver
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$165
Cheapest: Sat, Oct 17 — $165
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Missoula to Denver: what you need to know
The flight
The nonstop from MSO to DEN runs about 1h 53m over 678 miles. It's a comfortable mid-range flight: long enough that seat choice matters a little, short enough that paying up for extras rarely does.
Airlines on this route
United Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Missoula (MSO)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Missoula airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Denver (DEN)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Denver airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Denver to Missoula fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 678 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 53m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
Missoula to Denver flight FAQs
How long is the flight from MSO to DEN?
A nonstop from MSO to DEN clocks in at around 1h 53m for the 678-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Missoula to Denver?
United Airlines typically operate nonstop flights from MSO to DEN. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Missoula to Denver?
There's no single magic month, but prices on this route generally soften in the shoulder season, when demand dips after the holidays and again in early fall. A free fare alert is the easiest way to catch those windows.
How much are last minute flights from MSO to DEN?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 2–4 weeks booking window is where the value sits.
What is a good round-trip deal from Missoula to Denver?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Missoula to Denver?
You'll mainly see United Airlines on Missoula to Denver. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Missoula airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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