$201 Cheap United flights Ontario (ONT) to Aspen (ASE)

View $201 flight on Sun, Aug 31, 2025Opens in a new window

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$201 Cheap United flights Ontario (ONT) to Aspen (ASE)

Prices were available within the past 7 days and start at $201 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 13 - Sun, Nov 16
ONT
Ontario
ASE
Aspen
$229 Roundtrip, found 21 hours ago
$229
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Nov 13 from Ontario to Aspen, returning Sun, Nov 16, priced at $229 found 21 hours ago
United
Wed, Sep 10 - Sat, Sep 13
ONT
Ontario
ASE
Aspen
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 10 from Ontario to Aspen, returning Sat, Sep 13, priced at $234 found 2 days ago
United
Tue, Jan 20 - Sat, Jan 24
ONT
Ontario
ASE
Aspen
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 20 from Ontario to Aspen, returning Sat, Jan 24, priced at $235 found 3 days ago
United
Thu, Sep 4 - Thu, Sep 11
ONT
Ontario
ASE
Aspen
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 4 from Ontario to Aspen, returning Thu, Sep 11, priced at $295 found 5 days ago
United
Thu, Nov 13 - Sun, Nov 16
ONT
Ontario
ASE
Aspen
$303 Roundtrip, found 21 hours ago
$303
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Nov 13 from Ontario to Aspen, returning Sun, Nov 16, priced at $303 found 21 hours ago
United
Wed, Sep 10 - Sat, Sep 13
ONT
Ontario
ASE
Aspen
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 10 from Ontario to Aspen, returning Sat, Sep 13, priced at $304 found 2 days ago
Flights from Ontario (ONT) to Aspen (ASE)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Pitkin County
Airlines serving
American Airlines, United
Popular airline
United
Distance
692 mi

Frequently asked questions

How much is a United Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
Scoring cheap one-way United Airlines flights from ONT to ASE from $201 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $229 for your next getaway.**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 ONT to ASE with United Airlines?
Look for round-trip or one-way flights to Aspen in May or April. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) with United Airlines?
Search for cheap United Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) one to three months before your day of departure. 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 journey, the best day of the week 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 Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
Simply enter your dates, hit search and check the "Nonstop" filter on Expedia to find any direct flights from ONT to ASE with United Airlines or other airlines.
What is the earliest United Airlines flight from ONT to ASE?
To find the earliest departures from ONT to ASE with United Airlines, filter your search by "Morning" and "Early Morning." Booking an early flight usually means you'll experience fewer cancellations.**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 Aspen?
United Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Aspen come in to Pitkin County Airport (ASE). This is the main gateway to this destination.
Why fly with United Airlines from ONT to ASE?
Fly from ONT to ASE with United Airlines and look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*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 Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
Changes are typically free within 24 hours of making a booking, but your airline may add a charge after that time. For further details about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without being charged, apply the "Changes included" and "No cancel fee" filters when planning your next escape.
*Available to One Key members.