United Flight 677 Deals & Information (2026/2027)

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United Flight 677 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $286 and $227 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 28 - Wed, Apr 1
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$286 Roundtrip, found 6 days ago
$286
Roundtrip
found 6 days ago
Select United flight, departing Sat, Mar 28 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, Apr 1, priced at $286 found 6 days ago
Fri, May 8 - Wed, May 13
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$291 Roundtrip, found 2 days ago
$291
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 13, priced at $291 found 2 days ago
Sat, Mar 28 - Wed, Apr 1
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$296 Roundtrip, found 6 days ago
$296
Roundtrip
found 6 days ago
Select United flight, departing Sat, Mar 28 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, Apr 1, priced at $296 found 6 days ago
Fri, May 8 - Wed, May 13
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 13, priced at $304 found 2 days ago
Fri, May 8 - Wed, May 13
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 13, priced at $306 found 2 days ago
Sat, Mar 28 - Wed, Apr 1
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select United flight, departing Sat, Mar 28 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, Apr 1, priced at $309 found 6 days ago
Sat, Mar 28 - Wed, Apr 1
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select United flight, departing Sat, Mar 28 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, Apr 1, priced at $314 found 6 days ago
Fri, May 8 - Wed, May 13
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 13, priced at $319 found 2 days ago
Fri, May 8 - Wed, May 13
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$321 Roundtrip, found 2 days ago
$321
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 13, priced at $321 found 2 days ago
Sat, Mar 28 - Wed, Apr 1
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$328 Roundtrip, found 6 days ago
$328
Roundtrip
found 6 days ago
Select United flight, departing Sat, Mar 28 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, Apr 1, priced at $328 found 6 days ago

Frequently asked questions

What route does flight number UA677 take?
UA677 is used on a number of routes. Typically, UA677 flies directly from Fort Lauderdale, FL Airport (FLL-Fort Lauderdale - Hollywood Intl.) to Denver, CO Airport (DEN-Denver Intl.). If this is your route, you'll be traveling for approximately 4 hours and 26 minutes.
What terminal does UA677 fly out of?
Terminal 1 is the terminal you'll likely depart from if you're booked on a flight out of Fort Lauderdale, FL Airport (FLL-Fort Lauderdale - Hollywood Intl.). FLL to DIA airport is the most popular route for flight number UA677.
What kind of plane is on flight number UA677?
There's a strong chance you'll be aboard the Boeing 737-900 if you're flying from Fort Lauderdale - Hollywood Intl. Airport to DIA airport, a common route for flight UA677.
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 UA677 flight with Travelocity, please visit our Customer Service Portal.