United Flight 5673 Deals & Information (2026/2027)

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United Flight 5673 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $200 and $99 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 22 - Mon, Aug 24
MTJ
Montrose Regional
DEN
Denver Intl.
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from Montrose Regional to Denver Intl., returning Mon, Aug 24, priced at $200 found 1 day ago
Thu, Aug 13 - Tue, Aug 18
MTJ
Montrose Regional
DEN
Denver Intl.
$220 Roundtrip, found 5 days ago
$220
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 13 from Montrose Regional to Denver Intl., returning Tue, Aug 18, priced at $220 found 5 days ago
Mon, Sep 21 - Wed, Sep 23
MTJ
Montrose Regional
DEN
Denver Intl.
$233 Roundtrip, found 2 days ago
$233
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 21 from Montrose Regional to Denver Intl., returning Wed, Sep 23, priced at $233 found 2 days ago
Sat, Aug 22 - Mon, Aug 24
MTJ
Montrose Regional
DEN
Denver Intl.
$236 Roundtrip, found 1 day ago
$236
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from Montrose Regional to Denver Intl., returning Mon, Aug 24, priced at $236 found 1 day ago
Thu, Aug 13 - Tue, Aug 18
MTJ
Montrose Regional
DEN
Denver Intl.
$240 Roundtrip, found 5 days ago
$240
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 13 from Montrose Regional to Denver Intl., returning Tue, Aug 18, priced at $240 found 5 days ago
Sun, Nov 1 - Tue, Nov 3
MTJ
Montrose Regional
DEN
Denver Intl.
$243 Roundtrip, found 2 hours ago
$243
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Nov 1 from Montrose Regional to Denver Intl., returning Tue, Nov 3, priced at $243 found 2 hours ago
Thu, Aug 20 - Fri, Aug 28
MTJ
Montrose Regional
DEN
Denver Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from Montrose Regional to Denver Intl., returning Fri, Aug 28, priced at $249 found 1 day ago
Fri, Aug 7 - Sat, Aug 8
MTJ
Montrose Regional
DEN
Denver Intl.
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 7 from Montrose Regional to Denver Intl., returning Sat, Aug 8, priced at $250 found 5 days ago
Fri, Nov 6 - Mon, Nov 9
MTJ
Montrose Regional
DEN
Denver Intl.
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 6 from Montrose Regional to Denver Intl., returning Mon, Nov 9, priced at $255 found 4 days ago
Sat, Aug 22 - Mon, Aug 24
MTJ
Montrose Regional
DEN
Denver Intl.
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from Montrose Regional to Denver Intl., returning Mon, Aug 24, priced at $271 found 1 day ago

Frequently asked questions

What route does flight number UA5673 take?
UA5673 takes about 2 hours and 28 minutes to fly straight from Missoula Intl. Airport to San Francisco Airport. Sure, there's magic in the destination, but half the fun is in the journey!
What kind of plane is on flight number UA5673?
The route for flight number UA5673 is generally MSO to San Francisco, CA Airport (SFO-San Francisco Intl.), and the Bombardier CRJ is the type of plane you'll probably be jetting off with.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA5673 flight with Travelocity, please visit our Customer Service Portal.