$221 Cheap United flights San Diego (SAN) to Aspen (ASE)

View $221 flight on Thu, Nov 13, 2025Opens in a new window

$221 Cheap United flights San Diego (SAN) to Aspen (ASE)

Prices were available within the past 7 days and start at $221 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 20 - Sun, Sep 21
SAN
San Diego
ASE
Aspen
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 20 from San Diego to Aspen, returning Sun, Sep 21, priced at $224 found 1 day ago
United
Fri, Oct 31 - Wed, Nov 5
SAN
San Diego
ASE
Aspen
$234 Roundtrip, found 16 hours ago
$234
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 31 from San Diego to Aspen, returning Wed, Nov 5, priced at $234 found 16 hours ago
United
Tue, Sep 2 - Tue, Sep 9
SAN
San Diego
ASE
Aspen
$244 Roundtrip, just found
$244
Roundtrip
just found
Select United flight, departing Tue, Sep 2 from San Diego to Aspen, returning Tue, Sep 9, priced at $244 just found
United
Fri, Oct 31 - Wed, Nov 5
SAN
San Diego
ASE
Aspen
$248 Roundtrip, found 16 hours ago
$248
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 31 from San Diego to Aspen, returning Wed, Nov 5, priced at $248 found 16 hours ago
United
Tue, Sep 9 - Sat, Sep 13
SAN
San Diego
ASE
Aspen
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 9 from San Diego to Aspen, returning Sat, Sep 13, priced at $249 found 6 days ago
United
Fri, Oct 31 - Wed, Nov 5
SAN
San Diego
ASE
Aspen
$250 Roundtrip, found 16 hours ago
$250
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Oct 31 from San Diego to Aspen, returning Wed, Nov 5, priced at $250 found 16 hours ago
Flights from San Diego (SAN) to Aspen (ASE)
Origin airport
San Diego Intl.
Destination airport
Pitkin County
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
730 mi

Frequently asked questions

How much is a United Airlines flight from San Diego Intl. Airport (SAN) to Pitkin County Airport (ASE)?
Grab cheap return United Airlines flights from $224 from SAN to ASE by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $221 for a one-way journey.**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 SAN to ASE with United Airlines?
Search 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-season months.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Pitkin County Airport (ASE) with United Airlines?
For cheap United Airlines fares from San Diego Intl. Airport (SAN) to Pitkin County Airport (ASE), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the price you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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 San Diego Intl. Airport (SAN) to Pitkin County Airport (ASE)?
Simply enter your dates, click search and select "Nonstop" on Expedia to browse any direct flights from SAN to ASE with United Airlines or other airlines.
What is the earliest United Airlines flight from SAN to ASE?
To find the earliest departure from SAN to ASE with United Airlines, filter your search by "Morning" and "Early Morning." Choosing an early flight generally means you're less likely to experience 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?
Pitkin County Airport (ASE) is the primary Aspen hub for United Airlines flights from San Diego Intl. Airport (SAN).
Why fly with United Airlines from SAN to ASE?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to travel from SAN to ASE with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on your next adventure.*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 San Diego Intl. Airport (SAN) to Pitkin County Airport (ASE)?
It's usually possible to cancel or reschedule your flight, although there may be additional fees if your booking was made over 24 hours ago. Need flexible options? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.