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$229+ Cheap flights from Aspen to San Diego (ASE - SAN)

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Aspen to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Aspen (ASE) to San Diego (SAN). 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 12, 2025.

Round-trip from

$229
(Delta)

Popular in

June

Cheapest in

February

Average price

$742
From Aspen Pitkin County to San Diego
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Aspen to San Diego

Cheapest flights from Aspen to San Diego
Explore the most affordable flight options available from Aspen to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/612:05 pmASE - SAN
1 stop4h 14mDelta
Sun 8/109:59 amSAN - ASE
1 stop6h 52mDelta
Deal found 6/11$229
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 6/267:06 pmASE - SAN
1 stop5h 40mUnited Airlines
Mon 6/306:15 amSAN - ASE
1 stop6h 41mUnited Airlines
Deal found 6/11$274
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/132:31 pmASE - SAN
2 stops8h 17mAmerican Airlines
Sun 6/156:15 amSAN - ASE
1 stop6h 46mAmerican Airlines
Deal found 6/11$434

Cheapflights Fare Finder

Customize your flight search to find flights from Aspen to San Diego 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 12, 2025.
Use the filters below to find and compare flights from Aspen to San Diego that are best for you.

Fly from

Aspen

Fly to

San Diego

Route

Depart

Return

Price

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Wed 8/6

12:05 pm-3:19 pm

1 stop4h 14m

San Diego

Sun 8/10

9:59 am-5:51 pm

1 stop6h 52m

$229

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 6/26

7:06 pm-11:46 pm

1 stop5h 40m

San Diego

Mon 6/30

6:15 am-1:56 pm

1 stop6h 41m

$274

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Sat 11/22

2:24 pm-9:36 pm

2 stops8h 12m

San Diego

Sat 11/29

6:32 am-2:04 pm

1 stop6h 32m

$985

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Fri 7/25

12:05 pm-3:19 pm

1 stop4h 14m

$290

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Fri 7/25

6:40 pm-12:05 am

2 stops30h 25m

$308

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Sat 7/5

7:40 am-8:50 pm

1 stop14h 10m

$497

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Sun 9/14

4:34 pm-9:50 pm

1 stop6h 16m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Aspen to San Diego

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

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

Currently, August is the cheapest month in which you can book a flight from Aspen to San Diego (average of $286). Flying from Aspen to San Diego in March is currently the most expensive (average of $366). 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 ASE to SAN?

Find hourly flight availability from Aspen to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Aspen to San Diego is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Flying on Delta is currently your cheapest option to San Diego, with prices starting at $229. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $274 and $985, respectively. Delta is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $290. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Aspen to San Diego for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Aspen to San Diego (average of $286). Flying from Aspen to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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Top airline flying from Aspen to San Diego

Discover the top airline that operate flights from Aspen to San Diego. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$338Average$493FlexibilityNo cancel feeOn-time69%

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