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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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ASE
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$229
(United Airlines)

One-way from

$226
(Delta)

Popular in

May

Cheapest in

August

Average price

$409
Provider with most accurate pricing for San Diego-Aspen Pitkin County flight deals.
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Provider most trusted by Cheapflights users for San Diego-Aspen Pitkin County flights.
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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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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This United Airlines deal was found by Cheapflights users on 1/17. 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 2/2512:55 pm
SAN
-
ASE
1 stop4h 44m
United Airlines
Sat 3/143:25 pm
ASE
-
SAN
1 stop5h 23m
United Airlines
Deal found 1/17$229
This United Airlines deal was found by Cheapflights users on 1/16. 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 1/2912:49 pm
SAN
-
ASE
1 stop6h 03m
United Airlines
Sat 2/77:27 pm
ASE
-
SAN
1 stop5h 48m
United Airlines
Deal found 1/16$284
This United Airlines deal was found by Cheapflights users on 1/18. 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 10/3011:20 am
SAN
-
ASE
1 stop4h 11m
United Airlines
Mon 11/25:00 pm
ASE
-
SAN
2 stops7h 44m
United Airlines
Deal found 1/18$289
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/186:15 am
SAN
-
ASE
1 stop7h 12m
United Airlines
Mon 3/233:25 pm
ASE
-
SAN
1 stop5h 23m
United Airlines
Deal found 1/19$300
This United Airlines deal was found by Cheapflights users on 1/16. 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 4/106:32 am
SAN
-
ASE
1 stop7h 08m
United Airlines
Mon 4/1312:14 pm
ASE
-
SAN
2 stops8h 58m
United Airlines
Deal found 1/16$304
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/66:10 am
SAN
-
ASE
1 stop7h 17m
United Airlines
Sun 3/86:39 pm
ASE
-
SAN
1 stop6h 01m
United Airlines
Deal found 1/18$321
This United Airlines deal was found by Cheapflights users on 1/16. 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 3/126:15 am
SAN
-
ASE
1 stop7h 12m
United Airlines
Sun 3/156:28 pm
ASE
-
SAN
1 stop5h 15m
United Airlines
Deal found 1/16$329
This United Airlines deal was found by Cheapflights users on 1/17. 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 3/66:10 am
SAN
-
ASE
1 stop7h 17m
United Airlines
Wed 3/111:51 pm
ASE
-
SAN
1 stop6h 57m
United Airlines
Deal found 1/17$354

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 January 19, 2026.
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

Thu 1/29

12:49 pm-7:52 pm

1 stop6h 03m

Aspen Pitkin County

Sat 2/7

7:27 pm-12:15 am

1 stop5h 48m

$284

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 3/18

6:15 am-2:27 pm

1 stop7h 12m

Aspen Pitkin County

Mon 3/23

3:25 pm-7:48 pm

1 stop5h 23m

$300

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 3/12

6:15 am-2:27 pm

1 stop7h 12m

Aspen Pitkin County

Sun 3/15

6:28 pm-10:43 pm

1 stop5h 15m

$329

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 3/6

6:10 am-2:27 pm

1 stop7h 17m

Aspen Pitkin County

Wed 3/11

1:51 pm-7:48 pm

1 stop6h 57m

$354

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 2/25

11:05 am-10:15 pm

2 stops10h 10m

Aspen Pitkin County

Sat 3/14

1:51 pm-7:48 pm

1 stop6h 57m

$359

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 4/10

6:32 am-2:40 pm

1 stop7h 08m

Aspen Pitkin County

Mon 4/13

11:15 am-8:12 pm

2 stops9h 57m

$359

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 2/22

6:20 am-12:51 pm

1 stop5h 31m

$226

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 2/22

11:05 am-6:39 pm

2 stops6h 34m

$246

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 2/1

6:35 am-12:53 pm

1 stop5h 18m

$271

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 2/1

11:08 am-9:59 pm

2 stops9h 51m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 11 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Aspen flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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

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 $75). 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.

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 January 19, 2026.
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
8,075 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
7.9
Good
8,075 reviews
Delta
7.9
Good
8,075 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
9,177 reviews
Delta
7.9
Good
8,075 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
11,160 reviews
Delta
7.9
Good
8,075 reviews

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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 $284, United Airlines can have you in Aspen from San Diego in 6h 03m. 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 $215 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $228 and $229 round-trip. Delta is priced at 55% 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 $75). 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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$329FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$457FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$229Average$682FlexibilityNo cancel feeOn-time71%

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