United Flight 680 Deals & Information (2025/2026)

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United Flight 680 Route Deals From $230

The cheapest prices found with in the last 7 days for return flights were $209 and $230 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 4 - Sun, Dec 7
FCA
Glacier Park Intl.
DEN
Denver Intl.
$209 Roundtrip, found 7 hours ago
$209
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Dec 4 from Glacier Park Intl. to Denver Intl., returning Sun, Dec 7, priced at $209 found 7 hours ago
Thu, Dec 4 - Sun, Dec 7
FCA
Glacier Park Intl.
DEN
Denver Intl.
$279 Roundtrip, found 7 hours ago
$279
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Dec 4 from Glacier Park Intl. to Denver Intl., returning Sun, Dec 7, priced at $279 found 7 hours ago
Wed, Sep 10 - Sun, Sep 14
FCA
Glacier Park Intl.
DEN
Denver Intl.
$294 Roundtrip, found 6 hours ago
$294
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Sep 10 from Glacier Park Intl. to Denver Intl., returning Sun, Sep 14, priced at $294 found 6 hours ago
Fri, Dec 5 - Mon, Dec 8
FCA
Glacier Park Intl.
DEN
Denver Intl.
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select United flight, departing Fri, Dec 5 from Glacier Park Intl. to Denver Intl., returning Mon, Dec 8, priced at $309 found 1 day ago
Thu, Aug 14 - Mon, Aug 18
FCA
Glacier Park Intl.
DEN
Denver Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from Glacier Park Intl. to Denver Intl., returning Mon, Aug 18, priced at $312 found 1 day ago
Fri, Aug 8 - Mon, Aug 11
FCA
Glacier Park Intl.
DEN
Denver Intl.
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 8 from Glacier Park Intl. to Denver Intl., returning Mon, Aug 11, priced at $319 found 2 days ago
Wed, Sep 10 - Sun, Sep 14
FCA
Glacier Park Intl.
DEN
Denver Intl.
$344 Roundtrip, found 6 hours ago
$344
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Sep 10 from Glacier Park Intl. to Denver Intl., returning Sun, Sep 14, priced at $344 found 6 hours ago
Thu, Aug 14 - Mon, Aug 18
FCA
Glacier Park Intl.
DEN
Denver Intl.
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 14 from Glacier Park Intl. to Denver Intl., returning Mon, Aug 18, priced at $347 found 1 day ago

Frequently asked questions

What route does flight number UA680 take?
UA680 flies straight from San Antonio Intl. Airport (SAT) to DIA airport in approximately 2 hours and 13 minutes. It can be used on other routes though, some of which could be multi-stop journeys. Keep an eye out for this when locking in your seat to avoid any mix-ups.
What terminal does UA680 fly out of?
If you're flying out of SAT, there's a fair chance you'll board the aircraft from Terminal B. The most frequented route for flight number UA680 is SAT to DIA airport, which is a direct flight.
What kind of plane is on flight number UA680?
If you're on flight UA680 from San Antonio Intl. Airport (SAT) to DIA airport, there's every chance you'll be traveling on the Boeing 737 MAX 9. Flight UA680 serves a number of routes, but this is the most popular one.
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 UA680 flight with Travelocity, please visit our Customer Service Portal.