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Aspen

$226+ Cheap flights from San Diego to Aspen (SAN - ASE)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ASE
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Aspen Pitkin County are usually found in June or April, booked 49 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from San Diego to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 septiembre 11, 2025.

Round-trip from

$249
(Delta)

One-way from

$226
(Delta)

Popular in

August

Cheapest in

June

Average price

$424
From San Diego to Aspen Pitkin County
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One-way flight from San Diego to Aspen Pitkin County
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Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Diego to Aspen

Cheapest flights from San Diego to Aspen
Explore the most affordable flight options available from San Diego to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 10/1810:00 amSAN - ASE
1 stop6h 52mDelta
mar. 10/2112:10 pmASE - SAN
1 stop4h 09mDelta
Deal found 9/11$249
This Delta deal was found by Cheapflights users on 9/11. 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.
vie. 9/269:59 amSAN - ASE
1 stop6h 54mDelta
mar. 9/3012:02 pmASE - SAN
1 stop4h 23mDelta
Deal found 9/11$299
This United Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 9/2611:15 amSAN - ASE
1 stop4h 39mUnited Airlines
mar. 9/303:25 pmASE - SAN
2 stops9h 16mUnited Airlines
Deal found 9/11$301
This American Airlines deal was found by Cheapflights users on 9/10. 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.
mar. 10/711:35 amSAN - ASE
1 stop6h 24mAmerican Airlines
mar. 10/148:00 amASE - SAN
1 stop7h 23mAmerican Airlines
Deal found 9/10$314
This United Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 10/106:15 amSAN - ASE
1 stop5h 21mUnited Airlines
jue. 10/1610:00 amASE - SAN
1 stop5h 59mUnited Airlines
Deal found 9/10$319
This American Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 10/1811:35 amSAN - ASE
1 stop6h 24mAmerican Airlines
mar. 10/2112:15 pmASE - SAN
2 stops8h 45mAmerican Airlines
Deal found 9/11$320
This United Airlines deal was found by Cheapflights users on 9/10. 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.
jue. 9/254:05 pmSAN - ASE
1 stop4h 34mUnited Airlines
lun. 9/296:15 pmASE - SAN
1 stop5h 00mUnited Airlines
Deal found 9/10$326
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mar. 10/76:53 amSAN - ASE
1 stop5h 06mUnited Airlines
mar. 10/142:00 pmASE - SAN
1 stop7h 25mUnited Airlines
Deal found 9/9$329

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 septiembre 11, 2025.
Use the filters below to find and compare flights from San Diego to Aspen that are best for you.

Fly from

San Diego

Fly to

Aspen

Route

Depart

Return

Price

San DiegoAspen

SAN - ASE

SANASE

San Diego

vie. 10/31

10:10 am-5:52 pm

1 stop6h 42m

Aspen Pitkin County

lun. 11/3

12:10 pm-3:19 pm

1 stop4h 09m

$249

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb. 10/18

10:00 am-5:52 pm

1 stop6h 52m

Aspen Pitkin County

mar. 10/21

12:10 pm-3:19 pm

1 stop4h 09m

$249

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb. 11/1

10:00 am-5:52 pm

1 stop6h 52m

Aspen Pitkin County

mar. 11/4

12:10 pm-3:19 pm

1 stop4h 09m

$249

San DiegoAspen

SAN - ASE

SANASE

San Diego

mié. 12/10

6:15 am-12:25 pm

1 stop5h 10m

Aspen Pitkin County

dom. 12/14

12:15 pm-3:23 pm

1 stop4h 08m

$299

San DiegoAspen

SAN - ASE

SANASE

San Diego

vie. 9/26

9:59 am-5:53 pm

1 stop6h 54m

Aspen Pitkin County

mar. 9/30

12:02 pm-3:25 pm

1 stop4h 23m

$299

San DiegoAspen

SAN - ASE

SANASE

San Diego

mar. 10/7

11:35 am-6:59 pm

1 stop6h 24m

Aspen Pitkin County

mar. 10/14

8:00 am-2:23 pm

1 stop7h 23m

$314

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb. 10/25

6:53 am-12:59 pm

1 stop5h 06m

Aspen Pitkin County

mar. 10/28

5:12 pm-8:54 pm

1 stop4h 42m

$319

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb. 11/1

6:15 am-6:59 pm

2 stops11h 44m

Aspen Pitkin County

mar. 11/4

7:34 am-2:36 pm

1 stop8h 02m

$320

San DiegoAspen

SAN - ASE

SANASE

San Diego

vie. 10/31

8:32 am-6:15 pm

1 stop8h 43m

Aspen Pitkin County

lun. 11/3

7:34 am-6:24 pm

2 stops11h 50m

$320

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb. 10/18

11:35 am-6:59 pm

1 stop6h 24m

Aspen Pitkin County

mar. 10/21

12:15 pm-8:00 pm

2 stops8h 45m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
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Best time to book a flight from San Diego to Aspen

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Aspen. Price data was last updated on August 29, 2025.

The best time to book flights from San Diego to Aspen is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Aspen (average of $448). Flying from San Diego to Aspen in December is currently the most expensive (average of $662). 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 SAN to ASE?

Find hourly flight availability from San Diego 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 septiembre 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 17% on flights from San Diego to Aspen by exploring options for tickets in the morning.

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 septiembre 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Diego to Aspen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

Find useful and relevant information for your journey from San Diego to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $249, Delta can have you in Aspen from San Diego in 6h 42m. San Diego and Aspen are separated by a distance of 730 mi.

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

    Our cheapest airline available from San Diego to Aspen is Delta. Our recent data shows that you can find tickets from as low as $228 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $288 and $328 round-trip. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $371. United Airlines flights start at $376 while deals on American Airlines start at $401 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Diego to Aspen (average of $448). Flying from San Diego to Aspen in December is currently the most expensive (average of $662). 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 3 airlines flying from San Diego to Aspen

Discover the top 3 airlines that operate flights from San Diego 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$363FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$544FlexibilityNo cancel feeOn-time69%

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