$159 Cheap United flights Philadelphia (PHL) to Montrose (MTJ)

View $159 flight on Wed, Sep 17, 2025Opens in a new window

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$159 Cheap United flights Philadelphia (PHL) to Montrose (MTJ)

Prices were available within the past 7 days and start at $159 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Thu, Sep 4
PHL
Philadelphia
MTJ
Montrose
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Philadelphia to Montrose, returning Thu, Sep 4, priced at $317 found 5 days ago
United
Wed, Sep 3 - Thu, Sep 4
PHL
Philadelphia
MTJ
Montrose
$322 Roundtrip, found 5 days ago
$322
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Philadelphia to Montrose, returning Thu, Sep 4, priced at $322 found 5 days ago
United
Wed, Sep 3 - Thu, Sep 4
PHL
Philadelphia
MTJ
Montrose
$334 Roundtrip, found 5 days ago
$334
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Philadelphia to Montrose, returning Thu, Sep 4, priced at $334 found 5 days ago
United
Wed, Aug 27 - Thu, Aug 28
PHL
Philadelphia
MTJ
Montrose
$336 Roundtrip, found 3 days ago
$336
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from Philadelphia to Montrose, returning Thu, Aug 28, priced at $336 found 3 days ago
United
Wed, Sep 3 - Thu, Sep 4
PHL
Philadelphia
MTJ
Montrose
$339 Roundtrip, found 5 days ago
$339
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Philadelphia to Montrose, returning Thu, Sep 4, priced at $339 found 5 days ago
United
Mon, Aug 18 - Fri, Aug 22
PHL
Philadelphia
MTJ
Montrose
$341 Roundtrip, found 4 days ago
$341
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 18 from Philadelphia to Montrose, returning Fri, Aug 22, priced at $341 found 4 days ago
Flights from Philadelphia (PHL) to Montrose (MTJ)
Origin airport
Philadelphia Intl.
Destination airport
Montrose Regional
Airlines serving
American Airlines, Southwest Airlines, United
Popular airline
United
Distance
1741 mi

Frequently asked questions

How much is a United Airlines flight from Philadelphia Intl. Airport (PHL) to Montrose Regional Airport (MTJ)?
Finding cheap one-way United Airlines flights from PHL to MTJ from $159 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $317 for your next adventure.**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 PHL to MTJ with United Airlines?
Browse for return or one-way flights to Montrose 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 Philadelphia Intl. Airport (PHL) to Montrose Regional Airport (MTJ) with United Airlines?
Look for affordable United Airlines flights from Philadelphia Intl. Airport (PHL) to Montrose Regional Airport (MTJ) one to three months ahead of your departure day. 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. No matter the fare class and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive day is typically 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 Philadelphia Intl. Airport (PHL) to Montrose Regional Airport (MTJ)?
Select our "Nonstop" filter when searching for direct United Airlines flights from PHL to MTJ. It's also an easy way to compare other airlines offering the same direct trip.
What is the earliest United Airlines flight from PHL to MTJ?
Browse United Airlines's earliest flights from PHL to MTJ by checking our "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**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 Montrose?
Board a United Airlines flight from Philadelphia Intl. Airport (PHL) to Montrose, and you'll most likely arrive at Montrose Regional Airport (MTJ). This is the airline's primary hub in this city.
Why fly with United Airlines from PHL to MTJ?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to jet off from PHL to MTJ with United Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Philadelphia Intl. Airport (PHL) to Montrose Regional Airport (MTJ)?
You can usually modify or cancel your flight, although additional fees may apply if you booked over 24 hours ago. Prefer to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you have to adjust your plans. To make modifications, visit "Trips," select your flight and click on "Manage Booking" for more details.

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