San Francisco

$250+ Cheap flights from Aspen to San Francisco (ASE - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SFO
Jan 31 — Feb 71
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Cheap flight deals from Aspen to San Francisco

Best flights from Aspen to San Francisco
Discover carefully curated flight deals from Aspen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 1, 2026.

This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2212:24 pmASE - SFO
2 stops12h 06mDelta
Sun 1/255:55 amSFO - ASE
1 stop5h 58mDelta
Deal found 1/1$367
This American Airlines deal was found by Cheapflights users on 12/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2210:52 amASE - SFO
1 stop7h 32mAmerican Airlines
Sun 1/256:00 amSFO - ASE
1 stop9h 28mAmerican Airlines
Deal found 12/30$390
This United Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/149:40 amASE - SFO
Nonstop3h 01mUnited Airlines
Sat 1/174:25 pmSFO - ASE
Nonstop2h 27mUnited Airlines
Deal found 12/31$409
This American Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/141:44 pmASE - SFO
1 stop7h 26mAmerican Airlines
Sat 1/177:00 amSFO - ASE
2 stops11h 04mAmerican Airlines
Deal found 12/31$434
This United Airlines deal was found by Cheapflights users on 12/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/249:40 amASE - SFO
Nonstop3h 01mUnited Airlines
Tue 1/279:00 amSFO - ASE
Nonstop2h 52mUnited Airlines
Deal found 12/29$439
This United Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/229:40 amASE - SFO
Nonstop3h 01mUnited Airlines
Sun 1/259:00 amSFO - ASE
Nonstop2h 52mUnited Airlines
Deal found 1/1$439

Find flight deals from Aspen to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Aspen (ASE) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 1, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$367
(Delta)

One-way from

$250
(American Airlines)

Popular in

January

Cheapest in

November

Average price

$437

Good round-trip deal

$579 or less

Good one-way deal

$563 or less
Provider with most accurate pricing for Aspen Pitkin County-San Francisco flight deals.
Provider most trusted by Cheapflights users for Aspen Pitkin County-San Francisco flights.
From Aspen Pitkin County to San Francisco
One-way flight from Aspen Pitkin County to San Francisco
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Aspen Pitkin County to San Francisco.
Price to beat on a one-way flight from Aspen Pitkin County to San Francisco.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aspen to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 1, 2026.
Use the filters below to find and compare flights from Aspen to San Francisco that are best for you.

Fly from

Aspen

Fly to

San Francisco

Route

Depart

Return

Price

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Thu 1/22

12:24 pm-11:30 pm

2 stops12h 06m

San Francisco

Sun 1/25

5:55 am-12:53 pm

1 stop5h 58m

$367

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Thu 1/22

10:52 am-5:24 pm

1 stop7h 32m

San Francisco

Sun 1/25

6:00 am-4:28 pm

1 stop9h 28m

$390

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Wed 1/14

9:40 am-11:41 am

Nonstop3h 01m

San Francisco

Sat 1/17

4:25 pm-7:52 pm

Nonstop2h 27m

$409

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Wed 1/14

1:44 pm-8:10 pm

1 stop7h 26m

San Francisco

Sat 1/17

7:00 am-7:04 pm

2 stops11h 04m

$434

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sat 1/24

9:40 am-11:41 am

Nonstop3h 01m

San Francisco

Tue 1/27

9:00 am-12:52 pm

Nonstop2h 52m

$439

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Thu 1/22

9:40 am-11:41 am

Nonstop3h 01m

San Francisco

Sun 1/25

9:00 am-12:52 pm

Nonstop2h 52m

$439

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sat 1/31

7:35 am-8:10 pm

2 stops13h 35m

$300

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Fri 3/20

1:40 pm-3:29 pm

Nonstop2h 49m

$304

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sun 2/1

2:49 pm-9:37 pm

1 stop7h 48m

$314

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sat 2/21

3:46 pm-11:49 pm

1 stop9h 03m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Aspen-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Aspen-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Aspen-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Aspen-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Aspen-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Aspen to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Aspen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Aspen to San Francisco

What is the cheapest month to book a flight from Aspen to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Aspen to San Francisco (average of $45). Flying from Aspen to San Francisco in April is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ASE to SFO?

Find hourly flight availability from Aspen to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 1, 2026.

A simple way to save on the total cost of your ticket is to fly from Aspen to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 77% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated January 1, 2026.
Read through reviews of airlines operating flights from Aspen to San Francisco, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Aspen to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Aspen to San Francisco?

    You will need to book a flight from Aspen Pitkin County to San Francisco if you want to fly from Aspen to San Francisco. At least 2 different airlines have flights from Pitkin County (ASE) to San Francisco (SFO) on a regular basis. There are 3 flights to San Francisco from the Aspen airport per day. If you manage to book one that is nonstop, then you can expect the flight time from ASE to SFO to be around 2h 49m.

  • How popular is this Aspen to San Francisco flight route?

  • How long is the flight from Aspen to San Francisco?

    Airlines like Delta and American Airlines fly from Aspen to San Francisco in about 7h 32m. The time it takes to get you to your destination can typically vary by up to 4h 34m. Aspen and San Francisco are separated by a distance of 845 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Aspen to San Francisco round-trip?

    According to our current data, Delta ($228), and United Airlines ($269) offers the cheapest pricing from Aspen to San Francisco. You may be able to fly from Aspen to San Francisco for 37% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Aspen to San Francisco one-way?

    The cheapest airlines for a one-way flight from Aspen to San Francisco are Delta ($114), American Airlines ($220), and United Airlines ($267).

  • What are the cheapest flights from Aspen to San Francisco?

    Looking at all options, your cheapest flight can be booked for $439. While the most popular route (Aspen Pitkin County - San Francisco) can be booked for $367 on average, our data indicates $648 when flying from Aspen to San Francisco.

  • Can I find deals for flights from Aspen to San Francisco that include hotel bookings?

    Yes. In addition to deals on Aspen to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aspen to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aspen to San Francisco.

  • Can I find deals for business class flights from Aspen to San Francisco?

    Yes. Cheapflights offers flight deals from Aspen to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Aspen to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Aspen to San Francisco (average of $45). Flying from Aspen to San Francisco in April is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Santa Clara
Watsonville
Redwood City
Sunnyvale
San Bruno
Daly City
Manteca
Turlock
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Alternative routes for Aspen to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Aspen to San Francisco

Discover the top 2 airlines that operate flights from Aspen to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$379FlexibilityNo cancel feeOn-time69%

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