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Aspen

$170+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ASE
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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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 June 18, 2026.

This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 7/411:44 am
SAN
-
ASE
1 stop7h 11m
United Airlines
Wed 7/85:10 pm
ASE
-
SAN
1 stop4h 36m
United Airlines
Deal found 6/16$329
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 9/272:24 pm
SAN
-
ASE
1 stop5h 31m
United Airlines
Thu 10/18:00 am
ASE
-
SAN
1 stop4h 35m
United Airlines
Deal found 6/15$339
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 7/168:45 am
SAN
-
ASE
1 stop6h 23m
United Airlines
Mon 7/206:12 pm
ASE
-
SAN
1 stop5h 13m
United Airlines
Deal found 6/14$343
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:00 pm
SAN
-
ASE
1 stop4h 25m
Delta
Fri 8/1412:03 pm
ASE
-
SAN
1 stop4h 07m
Delta
Deal found 6/17$354
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/16:30 am
SAN
-
ASE
1 stop7h 14m
United Airlines
Wed 8/55:10 pm
ASE
-
SAN
1 stop4h 36m
United Airlines
Deal found 6/15$370
This United Airlines deal was found by Cheapflights users on 6/15. 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 9/162:24 pm
SAN
-
ASE
1 stop5h 02m
United Airlines
Mon 9/218:05 am
ASE
-
SAN
1 stop4h 30m
United Airlines
Deal found 6/15$394
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 9/186:30 am
SAN
-
ASE
1 stop6h 53m
United Airlines
Mon 9/218:05 am
ASE
-
SAN
1 stop4h 30m
United Airlines
Deal found 6/14$408
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 9/86:30 am
SAN
-
ASE
1 stop5h 04m
United Airlines
Thu 9/174:45 pm
ASE
-
SAN
1 stop6h 43m
United Airlines
Deal found 6/16$409

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

One-way from

$170
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$582
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. 12% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 18, 2026.
Use the filters below to find and compare flights from San Diego to Aspen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 7/14

10:55 am-6:29 pm

1 stop6h 34m

Aspen Pitkin County

Fri 7/24

6:12 pm-10:25 pm

1 stop5h 13m

$329
Quickest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sun 6/28

3:00 pm-8:23 pm

1 stop4h 23m

Aspen Pitkin County

Sat 7/4

12:03 pm-3:11 pm

1 stop4h 08m

$329

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sat 7/4

11:44 am-7:55 pm

1 stop7h 11m

Aspen Pitkin County

Wed 7/8

5:10 pm-8:46 pm

1 stop4h 36m

$329

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sat 9/19

11:00 am-4:23 pm

1 stop4h 23m

Aspen Pitkin County

Tue 9/22

1:15 pm-8:02 pm

2 stops7h 47m

$334

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 7/30

3:00 pm-8:25 pm

1 stop4h 25m

Aspen Pitkin County

Fri 8/14

12:03 pm-3:10 pm

1 stop4h 07m

$354

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sat 8/1

6:30 am-2:44 pm

1 stop7h 14m

Aspen Pitkin County

Wed 8/5

5:10 pm-8:46 pm

1 stop4h 36m

$370

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 9/16

2:24 pm-9:29 pm

2 stops6h 05m

Aspen Pitkin County

Mon 9/21

8:05 am-11:35 am

1 stop4h 30m

$399

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 9/8

6:30 am-12:34 pm

1 stop5h 04m

Aspen Pitkin County

Thu 9/17

4:45 pm-10:28 pm

1 stop6h 43m

$409

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 10/28

7:00 am-12:26 pm

1 stop4h 26m

Aspen Pitkin County

Sat 10/31

8:30 am-12:38 pm

1 stop5h 08m

$409
Cheapest one-way

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 8/14

3:00 pm-8:24 pm

1 stop4h 24m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 16 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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, September is the cheapest month in which you can book a flight from San Diego to Aspen (average of $338). Flying from San Diego to Aspen in June is currently the most expensive (average of $582). 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.

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

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 June 18, 2026.
Get a feel of what it's like to fly with Delta and United 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
7.8
Good
8,410 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.8

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
7.8
Good
8,410 reviews
Delta
7.8
Good
8,410 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.8

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
9,859 reviews
Delta
7.8
Good
8,410 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Overall

7.8

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 $329, United Airlines can have you in Aspen from San Diego in 4h 23m. 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. An additional option worth looking into is United Airlines, starting at $228. Delta is priced at 53% 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, September is the cheapest month in which you can book a flight from San Diego to Aspen (average of $338). Flying from San Diego to Aspen in June is currently the most expensive (average of $582). 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
Leadville
Buena Vista
Snowmass

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Top 2 airlines flying from San Diego to Aspen

Discover the top 2 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$426FlexibilityNo cancel feeOn-time69%

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