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$209+ Cheap flights from San Francisco to Aspen (SFO - ASE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ASE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Aspen Pitkin County are usually found in July or June, booked 28 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from San Francisco to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Aspen (ASE). 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 August 14, 2025.

Round-trip from

$209
(United Airlines)

Popular in

February

Cheapest in

July

Average price

$539

Good round-trip deal

$514 or less

Good one-way deal

$294 or less
From San Francisco to Aspen Pitkin County
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Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from San Francisco to Aspen Pitkin County.
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Price to beat on a one-way flight from San Francisco to Aspen Pitkin County.
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Find flight deals from San Francisco to Aspen

Cheapest flights from San Francisco to Aspen
Explore the most affordable flight options available from San Francisco to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 9/134:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Tue 9/167:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Deal found 8/13$209
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 9/94:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Sat 9/137:35 amASE - SFO
1 stop5h 16mUnited Airlines
Deal found 8/14$219
This Delta deal was found by Cheapflights users on 8/13. 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 9/912:30 pmSFO - ASE
1 stop4h 21mDelta
Tue 9/1612:02 pmASE - SFO
1 stop6h 16mDelta
Deal found 8/13$229
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/25:45 amSFO - ASE
1 stop7h 12mAmerican Airlines
Wed 9/1010:24 amASE - SFO
2 stops9h 38mAmerican Airlines
Deal found 8/12$234
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/271:25 pmSFO - ASE
1 stop5h 41mUnited Airlines
Wed 9/38:10 amASE - SFO
1 stop4h 45mUnited Airlines
Deal found 8/12$239
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/14:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Sat 9/67:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Deal found 8/13$244
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/95:00 amSFO - ASE
1 stop4h 50mUnited Airlines
Thu 9/186:15 pmASE - SFO
1 stop5h 55mUnited Airlines
Deal found 8/12$246
This lol.travel deal was found by Cheapflights users on 8/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Sun 9/77:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Deal found 8/12$272
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/104:25 pmSFO - ASE
Nonstop2h 18mUnited Airlines
Sat 9/137:08 amASE - SFO
Nonstop2h 40mUnited Airlines
Deal found 8/13$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Aspen 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 August 14, 2025.
Use the filters below to find and compare flights from San Francisco to Aspen that are best for you.

Fly from

San Francisco

Fly to

Aspen

Route

Depart

Return

Price

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Sat 9/13

4:25 pm-7:43 pm

Nonstop2h 18m

Aspen Pitkin County

Tue 9/16

7:08 am-8:48 am

Nonstop2h 40m

$209

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Tue 9/2

4:25 pm-7:43 pm

Nonstop2h 18m

Aspen Pitkin County

Wed 9/10

7:35 am-11:51 am

1 stop5h 16m

$219

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Tue 9/9

4:25 pm-7:43 pm

Nonstop2h 18m

Aspen Pitkin County

Mon 9/15

6:15 pm-11:10 pm

1 stop5h 55m

$219

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Tue 9/9

4:25 pm-7:43 pm

Nonstop2h 18m

Aspen Pitkin County

Sat 9/13

7:35 am-11:51 am

1 stop5h 16m

$219

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Fri 9/12

11:25 pm-11:41 am

1 stop11h 16m

Aspen Pitkin County

Fri 9/19

12:14 pm-8:50 pm

1 stop9h 36m

$229

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Sat 9/13

10:55 am-5:53 pm

1 stop5h 58m

Aspen Pitkin County

Tue 9/16

12:02 pm-5:18 pm

1 stop6h 16m

$229

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Tue 9/9

12:47 am-11:41 am

1 stop9h 54m

Aspen Pitkin County

Wed 9/17

4:49 pm-11:15 pm

1 stop7h 26m

$229

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Wed 9/10

9:10 am-5:51 pm

1 stop7h 41m

Aspen Pitkin County

Tue 9/16

12:02 pm-5:18 pm

1 stop6h 16m

$229

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Mon 9/8

10:55 am-5:51 pm

1 stop5h 56m

Aspen Pitkin County

Tue 9/16

12:02 pm-5:18 pm

1 stop6h 16m

$229

San FranciscoAspen

SFO - ASE

SFOASE

San Francisco

Wed 8/27

1:25 pm-8:06 pm

1 stop5h 41m

Aspen Pitkin County

Wed 9/3

7:08 am-8:48 am

Nonstop2h 40m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Francisco to Aspen

Have a flexible travel schedule? Discover the best time to fly to Aspen from San Francisco 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 San Francisco to Aspen

How far ahead should I book a flight from San Francisco to Aspen?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Aspen. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Aspen, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Aspen (average of $448). Flying from San Francisco to Aspen in December is currently the most expensive (average of $665). 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 SFO to ASE?

Find hourly flight availability from San Francisco to Aspen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Aspen in the afternoon. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Aspen

Get insights into the airlines that provide service to Aspen. 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 Aspen. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from San Francisco to Aspen, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Aspen. 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 San Francisco to Aspen?

    If you wish to fly to Aspen from San Francisco, then you need to book flights from San Francisco to Aspen Pitkin County. There is 1 flight from San Francisco (SFO) to Pitkin County (ASE) per day to choose from. Flights to Aspen from San Francisco are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 2h 18m is how long a nonstop flight from San Francisco to Aspen Pitkin County typically takes.

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

    Flights from San Francisco to Aspen Pitkin County have been viewed 1 times in the past calendar month.

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

    Flying on United Airlines is currently your cheapest option to Aspen, with prices starting at $334. Another option worth looking into is American Airlines, starting at $368 round trip. You may be able to fly from San Francisco to Aspen for 36% less than the average price by searching for these airlines.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Aspen consider choosing SkyWest Airlines (81%), United Airlines (81%) or Air New Zealand (71%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $508 for a flight from San Francisco to Aspen. The cheapest flight overall is $223 while the most popular route, (San Francisco - Aspen Pitkin County) is currently priced at $209.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Aspen 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 San Francisco to Aspen?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Aspen (average of $448). Flying from San Francisco to Aspen in December is currently the most expensive (average of $665). 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 Aspen?

Book flights to Aspen if you plan to visit one of these locations
Snowmass Village
Carbondale
Buena Vista
Snowmass

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Top 2 airlines flying from San Francisco to Aspen

Discover the top 2 airlines that operate flights from San Francisco to Aspen. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$334Average$548FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$368Average$400FlexibilityNo cancel feeOn-time71%

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