$224 Cheap United flights Denver (DEN) to Missoula (MSO)

View $224 flight on Thu, Oct 23, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$224 Cheap United flights Denver (DEN) to Missoula (MSO)

Prices were available within the past 7 days and start at $224 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 23 - Mon, Oct 27
DEN
Denver
MSO
Missoula
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Thu, Oct 23 from Denver to Missoula, returning Mon, Oct 27, priced at $209 just found
United
Sat, Jul 26 - Wed, Jul 30
DEN
Denver
MSO
Missoula
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 26 from Denver to Missoula, returning Wed, Jul 30, priced at $215 found 1 day ago
United
Fri, Jul 25 - Mon, Jul 28
DEN
Denver
MSO
Missoula
$229 Roundtrip, found 5 hours ago
$229
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Jul 25 from Denver to Missoula, returning Mon, Jul 28, priced at $229 found 5 hours ago
United
Sat, Jul 26 - Wed, Jul 30
DEN
Denver
MSO
Missoula
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 26 from Denver to Missoula, returning Wed, Jul 30, priced at $238 found 1 day ago
United
Sat, Jul 26 - Wed, Jul 30
DEN
Denver
MSO
Missoula
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 26 from Denver to Missoula, returning Wed, Jul 30, priced at $243 found 1 day ago
United
Sat, Jul 26 - Wed, Jul 30
DEN
Denver
MSO
Missoula
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 26 from Denver to Missoula, returning Wed, Jul 30, priced at $255 found 1 day ago
United
Mon, Jun 30 - Sat, Jul 5
DEN
Denver
MSO
Missoula
$259 Roundtrip, just found
$259
Roundtrip
just found
Select United flight, departing Mon, Jun 30 from Denver to Missoula, returning Sat, Jul 5, priced at $259 just found
United
Thu, Oct 23 - Mon, Oct 27
DEN
Denver
MSO
Missoula
$279 Roundtrip, just found
$279
Roundtrip
just found
Select United flight, departing Thu, Oct 23 from Denver to Missoula, returning Mon, Oct 27, priced at $279 just found
United
Thu, Oct 23 - Mon, Oct 27
DEN
Denver
MSO
Missoula
$289 Roundtrip, just found
$289
Roundtrip
just found
Select United flight, departing Thu, Oct 23 from Denver to Missoula, returning Mon, Oct 27, priced at $289 just found
Flights from Denver (DEN) to Missoula (MSO)
Origin airport
Denver Intl.
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
678 mi
Average flight time
2 hours 9 mins

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO)?
Scoring cheap one-way United Airlines flights from DEN to MSO from $224 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $209 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to MSO with United Airlines?
Look for return or one-way flights to Missoula in January or February. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO) with United Airlines?
Look for cheap United Airlines flights from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO)?
Easily travel from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO) on one of United Airlines's 19 weekly direct flights. Use our "Nonstop" and "Airline" filters to find the United Airlines flight that'll land at MSO at your preferred time.
How long does it take to fly from DEN to MSO with United Airlines?
Depart Denver Intl. Airport (DEN) for Missoula Intl. Airport (MSO) on a direct United Airlines flight, and you'll be airborne for about 2h 17m.
Which day of the week has the most United Airlines flights from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO)?
If you're looking for flexibility, Sunday offers the most choice for United Airlines flights from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO). You can select from 3 different departures.
What is the earliest United Airlines flight from DEN to MSO?
Leaving DEN at 11:15AM UTC-7, the earliest United Airlines flight to MSO lands at 1:29PM UTC-7. Traveling early means you're less likely to experience cancellations.* Prefer a later start? The last United Airlines flight from DEN to MSO departs at 7:25PM UTC-7 and touches down at 9:42PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Missoula?
Catch a United Airlines flight from Denver Intl. Airport (DEN) to Missoula, and you're most likely to come in to Missoula Intl. Airport (MSO). This is the airline's main hub in this city.
Why fly with United Airlines from DEN to MSO?
Depart from DEN to MSO with United Airlines and you can look forward to a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO)?
United Airlines typically uses Boeing 737-900 planes for flights from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO). This airline also operates the Boeing 737-800 on this route. Remember that aircraft type can change due to operational requirements, so the plane you board could be different on the day you travel.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to Missoula Intl. Airport (MSO)?
Typically, you can cancel or reschedule your flight, although there may be additional fees if you booked more than 24 hours ago. Need flexible options? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to adjust your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.

Explore a world of travel with Expedia

*Available to One Key members.