San Francisco

$267+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SFO
May 5 — May 121
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Cheap flight deals from Aspen to San Francisco

Cheapest flights from Aspen to San Francisco
Explore the most affordable flight options available from Aspen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 5, 2026.

This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 6/209:40 am
ASE
-
SFO
Nonstop2h 39m
United Airlines
Tue 6/2312:10 pm
SFO
-
ASE
Nonstop2h 30m
United Airlines
Deal found 4/1$329
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 9/1512:00 pm
ASE
-
SFO
1 stop6h 50m
Delta
Sat 9/191:00 pm
SFO
-
ASE
1 stop6h 03m
Delta
Deal found 4/2$349
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 9/157:30 am
ASE
-
SFO
2 stops9h 07m
American Airlines
Sat 9/1911:30 pm
SFO
-
ASE
1 stop9h 34m
American Airlines
Deal found 4/2$354
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/1512:18 pm
ASE
-
SFO
1 stop6h 03m
Delta
Sat 4/186:00 am
SFO
-
ASE
1 stop5h 45m
Delta
Deal found 4/1$369
This Delta deal was found by Cheapflights users on 4/1. 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 10/812:00 pm
ASE
-
SFO
1 stop6h 49m
Delta
Sun 10/111:00 pm
SFO
-
ASE
1 stop6h 10m
Delta
Deal found 4/1$389
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:51 pm
ASE
-
SFO
1 stop7h 18m
American Airlines
Tue 6/238:15 am
SFO
-
ASE
2 stops11h 09m
American Airlines
Deal found 4/1$394
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 6/129:40 am
ASE
-
SFO
Nonstop2h 39m
United Airlines
Tue 6/165:00 am
SFO
-
ASE
1 stop6h 41m
United Airlines
Deal found 4/1$402
This United Airlines deal was found by Cheapflights users on 4/3. 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 7/19:40 am
ASE
-
SFO
Nonstop2h 39m
United Airlines
Wed 7/84:25 pm
SFO
-
ASE
Nonstop2h 30m
United Airlines
Deal found 4/3$409

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 April 5, 2026.

Round-trip from

$329
(United Airlines)

One-way from

$267
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$393

Good round-trip deal

$299 or less

Good one-way deal

$408 or less
From Aspen Pitkin County to San Francisco
One-way flight from Aspen Pitkin County to San Francisco
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 5, 2026.
Use the filters below to find and compare flights from Aspen to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Tue 9/15

6:12 pm-10:56 pm

1 stop5h 44m

San Francisco

Sat 9/19

4:25 pm-7:57 pm

Nonstop2h 32m

$339

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sat 4/18

12:18 pm-6:22 pm

1 stop7h 04m

San Francisco

Tue 4/21

6:00 am-12:45 pm

1 stop5h 45m

$369

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Sat 6/20

4:42 pm-8:10 pm

1 stop4h 28m

San Francisco

Tue 6/23

6:00 am-1:41 pm

1 stop6h 41m

$369

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Wed 4/15

12:18 pm-5:21 pm

1 stop6h 03m

San Francisco

Sat 4/18

6:00 am-12:45 pm

1 stop5h 45m

$369

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Fri 4/17

10:00 am-2:52 pm

1 stop5h 52m

San Francisco

Mon 4/20

10:10 am-4:05 pm

1 stop4h 55m

$369

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Fri 6/12

9:40 am-11:19 am

Nonstop2h 39m

San Francisco

Tue 6/16

5:00 am-12:41 pm

1 stop6h 41m

$402
Quickest round-trip

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Wed 7/1

9:40 am-11:19 am

Nonstop2h 39m

San Francisco

Wed 7/8

4:25 pm-7:55 pm

Nonstop2h 30m

$409

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Tue 9/15

12:00 pm-5:50 pm

1 stop6h 50m

San Francisco

Fri 9/18

8:59 pm-8:03 pm

1 stop22h 04m

$442

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Tue 9/15

9:40 am-11:25 am

Nonstop2h 45m

San Francisco

Fri 9/18

4:25 pm-7:57 pm

Nonstop2h 32m

$637

AspenSan Francisco

ASE - SFO

ASESFO

Aspen Pitkin County

Tue 6/23

9:40 am-11:19 am

Nonstop2h 39m

San Francisco

Thu 6/25

4:25 pm-7:55 pm

Nonstop2h 30m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, September is the cheapest month in which you can book a flight from Aspen to San Francisco (average of $187). Flying from Aspen to San Francisco in June is currently the most expensive (average of $268). 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 April 5, 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 63% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Aspen to San Francisco?

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 April 5, 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.

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

Crew

8.5

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 is 1 flight 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 39m.

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

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

    Airlines like United Airlines and Delta fly from Aspen to San Francisco in about 5h 44m. The time it takes to get you to your destination can typically vary by up to 1h 20m. 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 ($248) offers the cheapest pricing from Aspen to San Francisco. You may be able to fly from Aspen to San Francisco for 39% 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 ($230), and United Airlines ($254).

  • What are the most reliable airlines from Aspen to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Aspen to San Francisco on time: SkyWest Airlines (66%), United Airlines (66%), Air New Zealand (62%).

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

    Looking at all options, your cheapest flight can be booked for $229. While the most popular route (Aspen Pitkin County - San Francisco) can be booked for $329 on average, our data indicates $414 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, September is the cheapest month in which you can book a flight from Aspen to San Francisco (average of $187). Flying from Aspen to San Francisco in June is currently the most expensive (average of $268). 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
South San Francisco
Santa Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove

Browse thousands of different options on Cheapflights for your next trip

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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 April 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$376FlexibilityNo cancel feeOn-time69%

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