United Flight 677 Deals & Information (2026/2027)

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United Flight 677 Route Deals From $292

The cheapest prices found with in the last 7 days for return flights were $289 and $292 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $289 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $379 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $396 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $416 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$479 Roundtrip, found 2 days ago
$479
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $479 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$486 Roundtrip, found 2 days ago
$486
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $486 found 2 days ago
Fri, May 1 - Wed, May 6
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$506 Roundtrip, found 2 days ago
$506
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 1 from Montrose Regional to Newark Liberty Intl. Airport, returning Wed, May 6, priced at $506 found 2 days ago
Thu, Jul 16 - Mon, Jul 20
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$527 Roundtrip, found 19 hours ago
$527
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Jul 16 from Montrose Regional to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $527 found 19 hours ago
Thu, Jul 16 - Mon, Jul 20
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$557 Roundtrip, found 19 hours ago
$557
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Jul 16 from Montrose Regional to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $557 found 19 hours ago
Thu, Jul 16 - Mon, Jul 20
MTJ
Montrose Regional
EWR
Newark Liberty Intl. Airport
$561 Roundtrip, found 19 hours ago
$561
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Jul 16 from Montrose Regional to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $561 found 19 hours 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.