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Aspen

$120+ 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
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Find cheap flights from San Diego to Aspen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Diego to Aspen Pitkin County are usually found in August 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

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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:50 amSAN - ASE
1 stop6h 57mUnited Airlines
Mon 12/222:00 pmASE - SAN
1 stop4h 34mUnited Airlines
Deal found 12/2$269
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/199:00 amSAN - ASE
1 stop7h 22mUnited Airlines
Tue 12/233:27 pmASE - SAN
1 stop6h 20mUnited Airlines
Deal found 12/4$359
This Delta deal was found by Cheapflights users on 12/4. 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 12/96:20 amSAN - ASE
1 stop5h 18mDelta
Tue 12/1612:17 pmASE - SAN
1 stop4h 06mDelta
Deal found 12/4$399
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/104:11 pmSAN - ASE
1 stop4h 07mUnited Airlines
Sun 12/148:30 amASE - SAN
1 stop7h 34mUnited Airlines
Deal found 12/3$409
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/911:02 amSAN - ASE
2 stops6h 19mUnited Airlines
Tue 12/165:12 pmASE - SAN
2 stops7h 30mUnited Airlines
Deal found 12/4$414
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:15 amSAN - ASE
1 stop4h 45mAmerican Airlines
Wed 12/247:07 amASE - SAN
2 stops9h 17mAmerican Airlines
Deal found 12/3$530
This Delta deal was found by Cheapflights users on 12/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:20 amSAN - ASE
1 stop5h 18mDelta
Wed 12/1712:17 pmASE - SAN
1 stop4h 06mDelta
Deal found 12/3$531
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/166:15 amSAN - ASE
1 stop5h 23mUnited Airlines
Thu 12/189:05 amASE - SAN
2 stops11h 52mUnited Airlines
Deal found 12/4$571

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$211
(American Airlines)

One-way from

$120
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$650
Provider with most accurate pricing for San Diego-Aspen Pitkin County flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Aspen Pitkin County flights.
Search Deals
From San Diego to Aspen Pitkin County
Search Deals
One-way flight from San Diego to Aspen Pitkin County
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

Fri 1/9

6:15 am-11:53 am

1 stop4h 38m

Aspen Pitkin County

Tue 1/13

4:58 pm-10:50 pm

1 stop6h 52m

$211

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 2/23

6:30 am-2:35 pm

1 stop7h 05m

Aspen Pitkin County

Sat 2/28

4:59 pm-8:51 pm

1 stop4h 52m

$223

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 1/13

6:30 am-2:44 pm

1 stop7h 14m

Aspen Pitkin County

Sun 1/18

7:00 am-12:59 pm

1 stop6h 59m

$253

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sat 1/10

4:10 pm-9:59 pm

1 stop4h 49m

Aspen Pitkin County

Tue 1/13

5:33 pm-11:42 pm

1 stop7h 09m

$267

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 12/18

11:12 am-7:47 pm

2 stops7h 35m

Aspen Pitkin County

Mon 12/22

2:00 pm-5:34 pm

1 stop4h 34m

$274

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 1/9

11:08 am-6:39 pm

2 stops6h 31m

Aspen Pitkin County

Tue 1/13

10:35 am-3:04 pm

1 stop5h 29m

$304

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 2/1

6:15 am-11:53 am

1 stop4h 38m

$120

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 2/18

11:30 am-5:40 pm

1 stop5h 10m

$140

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 4/19

6:15 am-1:53 pm

1 stop6h 38m

$226

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 4/19

6:20 am-2:56 pm

2 stops7h 36m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 15 results
1
2

Compare providers for flights from San Diego to Aspen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Aspen in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Aspen flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Aspen flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Aspen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Aspen 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 San Diego-Aspen 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 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 November 28, 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, January is the cheapest month in which you can book a flight from San Diego to Aspen (average of $70). Flying from San Diego to Aspen in June is currently the most expensive (average of $258). 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 December 4, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from San Diego to Aspen by exploring options for tickets in the evening.

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 December 4, 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
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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
11,047 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

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 $211, American Airlines can have you in Aspen from San Diego in 4h 38m. San Diego and Aspen are separated by a distance of 730 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $215 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $288 and $294 round-trip. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Aspen (average of $70). Flying from San Diego to Aspen in June is currently the most expensive (average of $258). 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
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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$363FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$294Average$533FlexibilityNo cancel feeOn-time69%

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