$206 Cheap Flights from Ontario (ONT) to Aspen (ASE)

View $206 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Aspen/Pitkin County Airport (ASE)

Cheap Flights from Ontario to Aspen (ONT-ASE)

Prices were available within the past 7 days and start at $206 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 13 - Thu, Jan 22
ONT
Ontario
ASE
Aspen
$249 Roundtrip, just found
$249
Roundtrip
just found
Select American Airlines flight, departing Tue, Jan 13 from Ontario to Aspen, returning Thu, Jan 22, priced at $249 just found
United
Sat, Oct 18 - Tue, Oct 21
ONT
Ontario
ASE
Aspen
$254 Roundtrip, found 19 hours ago
$254
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Oct 18 from Ontario to Aspen, returning Tue, Oct 21, priced at $254 found 19 hours ago
United
Sat, Sep 27 - Sat, Oct 4
ONT
Ontario
ASE
Aspen
$259 Roundtrip, just found
$259
Roundtrip
just found
Select United flight, departing Sat, Sep 27 from Ontario to Aspen, returning Sat, Oct 4, priced at $259 just found
United
Sat, Nov 8 - Tue, Nov 11
ONT
Ontario
ASE
Aspen
$263 Roundtrip, found 3 days ago
$263
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 8 from Ontario to Aspen, returning Tue, Nov 11, priced at $263 found 3 days ago
United
Sat, Oct 11 - Tue, Oct 14
ONT
Ontario
ASE
Aspen
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 11 from Ontario to Aspen, returning Tue, Oct 14, priced at $264 found 1 day ago
United
Sat, Sep 27 - Sat, Oct 4
ONT
Ontario
ASE
Aspen
$264 Roundtrip, just found
$264
Roundtrip
just found
Select United flight, departing Sat, Sep 27 from Ontario to Aspen, returning Sat, Oct 4, priced at $264 just found
United
Fri, Oct 10 - Wed, Oct 15
ONT
Ontario
ASE
Aspen
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Ontario to Aspen, returning Wed, Oct 15, priced at $267 found 2 days ago
United
Thu, Apr 16 - Tue, Apr 21
ONT
Ontario
ASE
Aspen
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 16 from Ontario to Aspen, returning Tue, Apr 21, priced at $268 found 6 days ago
United
Fri, Oct 31 - Sun, Nov 2
ONT
Ontario
ASE
Aspen
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from Ontario to Aspen, returning Sun, Nov 2, priced at $271 found 2 days ago
United
Fri, Oct 17 - Mon, Oct 20
ONT
Ontario
ASE
Aspen
$276 Roundtrip, found 16 hours ago
$276
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 17 from Ontario to Aspen, returning Mon, Oct 20, priced at $276 found 16 hours ago

Find the cheapest month to fly from Ontario (ONT) to Aspen (ASE)

May is typically the cheapest month to fly

From $228 - $770 per traveler.

Alternative airports near Aspen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Eagle County Regional EGE. Average driving time to city center is 1 hour 25 minutes. Flights from $319
EGE
Eagle County Regional
Average driving time to city center1 h 25 min
Flights from $319
Flights from Ontario (ONT) to Aspen (ASE)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Pitkin County
Airlines serving
American Airlines, United
Roundtrip price
$248
Distance
692 mi

Ontario to Aspen Flights

The cheapest times to fly from Ontario to Aspen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Aspen are during the month of January. You can find some of the cheapest flights from Ontario to Aspen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Aspen

Sunday is one of the best days to book for cheap flights from Ontario to Aspen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Aspen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Aspen in 2025. You can also book with separate airlines for your outbound and return journeys, from $206 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Aspen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Aspen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) cost?
Grab a cheap one-way flight from $206 or cheap return flight from $249 from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
The cheapest month to fly from ONT to ASE is January, when there's less demand. Off-peak season is often when better flight deals are available between these airports.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
There aren't any direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Pitkin County Airport (ASE). However, there are other airports that offer nonstop flights. Board your plane at Los Angeles Intl. Airport (LAX) and travel straight to Aspen without layovers.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ONT to ASE flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to ASE?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
To touch down at Pitkin County Airport (ASE) on time, book a flight that leaves Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE) last-minute?
Last-minute bookings from ONT to ASE are generally more expensive. For the best rates, start searching for flights ahead of time. That said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book an ONT to ASE flight and hotel package?
Compared with arranging hotels and flights separately, booking an ONT to ASE flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Pitkin County Airport (ASE)?
In most cases, you can cancel or modify your ONT to ASE flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.