$221 Cheap United flights Aspen (ASE) to San Francisco (SFO)

View $221 flight on Wed, Dec 3, 2025Opens in a new window

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$221 Cheap United flights Aspen (ASE) to San Francisco (SFO)

Prices were available within the past 7 days and start at $221 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 29 - Mon, Sep 1
ASE
Aspen
SFO
San Francisco
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Fri, Aug 29 from Aspen to San Francisco, returning Mon, Sep 1, priced at $209 just found
United
Fri, Aug 29 - Mon, Sep 1
ASE
Aspen
SFO
San Francisco
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Fri, Aug 29 from Aspen to San Francisco, returning Mon, Sep 1, priced at $219 just found
United
Sat, Aug 30 - Mon, Sep 1
ASE
Aspen
SFO
San Francisco
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Aug 30 from Aspen to San Francisco, returning Mon, Sep 1, priced at $229 found 6 hours ago
United
Sat, Aug 16 - Tue, Aug 19
ASE
Aspen
SFO
San Francisco
$229 Roundtrip, found 13 hours ago
$229
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Aug 16 from Aspen to San Francisco, returning Tue, Aug 19, priced at $229 found 13 hours ago
United
Thu, Aug 21 - Sun, Aug 24
ASE
Aspen
SFO
San Francisco
$235 Roundtrip, found 5 days ago
$235
Roundtrip
found 5 days ago
Select United flight, departing Thu, Aug 21 from Aspen to San Francisco, returning Sun, Aug 24, priced at $235 found 5 days ago
United
Fri, Aug 29 - Mon, Sep 1
ASE
Aspen
SFO
San Francisco
$239 Roundtrip, just found
$239
Roundtrip
just found
Select United flight, departing Fri, Aug 29 from Aspen to San Francisco, returning Mon, Sep 1, priced at $239 just found
Flights from Aspen (ASE) to San Francisco (SFO)
Origin airport
Pitkin County
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
United
Distance
846 mi
Average flight time
2 hours 37 mins

Frequently asked questions

How much is a United Airlines flight from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO)?
Scoring cheap one-way United Airlines flights from ASE to SFO from $221 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $209 for your next exciting vacation.**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 ASE to SFO with United Airlines?
February is one of the cheapest months to travel to San Francisco with United Airlines. You could also find fantastic deals on return and one-way fares in April.
What is the cheapest time to book flights from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO) with United Airlines?
To find cheap United Airlines fares from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO), start searching one to three months before your planned departure. Securing 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 influence how much you pay. Sunday is typically 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 Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO)?
United Airlines offers direct flights from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO), with 14 departures each week. Just apply the "Nonstop" and "Airline" filters while searching on Expedia to see all direct United Airlines flights to SFO.
How long does it take to fly from ASE to SFO with United Airlines?
It takes around 2h 52m to travel nonstop from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO) with United Airlines.
Which day of the week has the most United Airlines flights from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO)?
Thursday has the most United Airlines flights from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO). With 2 daily departures, this is the best day to book something that will fit your plans.
What is the earliest United Airlines flight from ASE to SFO?
Jetting off from ASE at 12:11PM UTC-7, the first United Airlines flight to SFO lands at 2:06PM UTC-8. Flying earlier in the day means you're less likely to experience delays.* After something later? The last United Airlines flight from ASE to SFO departs at 7:20PM UTC-7 and touches down at 9:09PM UTC-8.*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 San Francisco?
San Francisco Intl. Airport (SFO) is the main San Francisco gateway for United Airlines flights from Pitkin County Airport (ASE).
Why fly with United Airlines from ASE to SFO?
Fly from ASE to SFO with United Airlines and enjoy a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO)?
Book a United Airlines flight from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO), and you'll probably board a Bombardier CRJ700. Bear in mind though, that the aircraft type can vary depending on operational reasons.
Can I change or cancel my United Airlines flight from Pitkin County Airport (ASE) to San Francisco Intl. Airport (SFO)?
Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For further information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without additional costs, apply the "No cancel fee" or "Changes included" filter when planning your next getaway.

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