How long is the flight from Aspen to San Diego?

Airlines like Delta and United Airlines fly from Aspen to San Diego in about 4h 08m. The time it takes to get you to your destination can typically vary by up to 22m. Airlines will cover a distance of 730 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from Aspen to San Diego round-trip?

Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $258. United Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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.

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).

What is the cheapest time of day to fly from ASE to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Aspen to San Diego as you normally would.

Most accurate provider : When it comes to deals on Aspen-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Aspen-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Aspen-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Aspen-San Diego 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 Aspen-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$185+ Cheap Flights from Aspen to San Diego

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Cheap flight deals from Aspen to San Diego

Cheapest

Best

Last-minute

One-way

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 September 12, 2026.

Wed 10/1412:02 pm -

1 stop4h 08m

Mon 10/193:00 pm -

1 stop4h 14m

Deal found 9/7

$389

Tue 10/1311:20 am -

1 stop4h 30m

Fri 10/1612:40 pm -

1 stop6h 27m

Deal found 9/8

$409

Fri 10/238:30 am -

1 stop5h 25m

Tue 10/278:45 am -

1 stop4h 52m

Deal found 9/10

$449

Wed 10/149:40 am -

2 stops8h 46m

Mon 10/192:24 pm -

2 stops6h 27m

Deal found 9/7

$479

Fri 9/112:15 pm -

1 stop7h 19m

Mon 9/148:45 am -

1 stop4h 38m

Deal found 9/9

$549

Wed 12/95:13 pm -

1 stop4h 55m

Sat 12/262:45 pm -

1 stop4h 00m

Deal found 9/7

$595

Best flights from Aspen to San Diego
Discover carefully curated flight deals from Aspen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Wed 10/1412:02 pm -

1 stop4h 08m

Mon 10/193:00 pm -

1 stop4h 14m

Deal found 9/7

$389

Tue 10/139:15 am -

1 stop4h 40m

Fri 10/162:24 pm -

2 stops6h 27m

Deal found 9/8

$414

Mon 10/2612:02 pm -

1 stop4h 08m

Mon 11/23:00 pm -

1 stop4h 14m

Deal found 9/11

$409

Fri 10/238:30 am -

1 stop5h 25m

Tue 10/278:45 am -

1 stop4h 52m

Deal found 9/10

$449

Wed 10/148:30 am -

2 stops9h 56m

Mon 10/1912:40 pm -

1 stop6h 27m

Deal found 9/7

$474

Wed 12/95:13 pm -

1 stop4h 55m

Sat 12/262:45 pm -

1 stop4h 00m

Deal found 9/7

$595

Last-minute flights from Aspen to San Diego
Discover last-minute flight deals from Aspen to San Diego. Data last updated September 12, 2026 and is based on user searches.

Fri 9/112:15 pm -

1 stop7h 19m

Mon 9/148:45 am -

1 stop4h 38m

Deal found 9/9

$549

Tue 10/1311:20 am -

1 stop4h 30m

Fri 10/1612:40 pm -

1 stop6h 27m

Deal found 9/8

$409

Wed 10/1412:02 pm -

1 stop4h 08m

Mon 10/193:00 pm -

1 stop4h 14m

Deal found 9/7

$389

Wed 10/149:40 am -

2 stops8h 46m

Mon 10/192:24 pm -

2 stops6h 27m

Deal found 9/7

$479

Fri 10/238:30 am -

1 stop5h 25m

Tue 10/278:45 am -

1 stop4h 52m

Deal found 9/10

$449

Mon 10/267:30 am -

1 stop7h 47m

Mon 11/29:26 am -

2 stops9h 51m

Deal found 9/11

$615

One-way flights from Aspen to San Diego
Search for one-way flight options from Aspen to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Tue 12/87:00 am -

1 stop7h 13m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$185

Wed 1/61:30 pm -

1 stop6h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$195

Fri 9/189:40 am -

1 stop5h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$235

Thu 9/176:05 pm -

1 stop5h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$245

Sat 9/199:15 am -

1 stop6h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/11

$281

Sun 1/317:40 am -

2 stops9h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$375

Find flight deals from Aspen to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$389 (Delta)
One-way from	$185 (United Airlines)
Popular in	January
Cheapest in	November
Average price	$448

Provider with most accurate pricing for Aspen Pitkin County-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Aspen Pitkin County-San Diego flights.

Search Deals

From Aspen Pitkin County to San Diego

Search Deals

One-way flight from Aspen Pitkin County to San Diego

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Tue 12/8

7:00 am-1:13 pm

1 stop7h 13m

San Diego

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$185

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Wed 1/6

1:30 pm-6:35 pm

1 stop6h 05m

San Diego

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$195

Quickest round-trip

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Fri 9/18

9:40 am-1:44 pm

1 stop5h 04m

San Diego

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$235

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Thu 9/17

11:25 am-5:26 pm

2 stops7h 01m

San Diego

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$250

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Sat 9/19

9:15 am-2:50 pm

1 stop6h 35m

San Diego

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$281

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Wed 10/14

12:02 pm-3:10 pm

1 stop4h 08m

San Diego

Mon 10/19

3:00 pm-8:14 pm

1 stop4h 14m

$389

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Mon 10/26

12:02 pm-3:10 pm

1 stop4h 08m

San Diego

Mon 11/2

3:00 pm-8:14 pm

1 stop4h 14m

$409

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Tue 10/13

9:15 am-12:55 pm

1 stop4h 40m

San Diego

Fri 10/16

2:24 pm-9:51 pm

2 stops6h 27m

$414

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Fri 10/23

8:30 am-12:55 pm

1 stop5h 25m

San Diego

Tue 10/27

8:45 am-2:37 pm

1 stop4h 52m

$449

AspenSan Diego

ASE Aspen Pitkin County - SAN San Diego

ASESAN

Aspen Pitkin County

Wed 10/14

8:30 am-5:26 pm

2 stops9h 56m

San Diego

Mon 10/19

12:40 pm-8:07 pm

1 stop6h 27m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 resultsSorted by cheapest first

Most accurate provider: When it comes to deals on Aspen-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Aspen-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Aspen-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Aspen-San Diego 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 Aspen-San Diego 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 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.

ASE-SAN

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, November is the cheapest month in which you can book a flight from Aspen to San Diego (average of $255). Flying from Aspen to San Diego in January is currently the most expensive (average of $756). 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 San Diego

Peruse reviews from past customers who have flown with United Airlines from Aspen to San Diego to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,207 reviews

Reviews

1 / 20

4.0

Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

United Airlines

7.4

Good

10,207 reviews

United Airlines

7.4

Good

10,207 reviews

Reviews

1 / 20

4.0

Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

How long is the flight from Aspen to San Diego?
Airlines like Delta and United Airlines fly from Aspen to San Diego in about 4h 08m. The time it takes to get you to your destination can typically vary by up to 22m. Airlines will cover a distance of 730 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What is the cheapest airline to fly from Aspen to San Diego round-trip?
Flying on United Airlines is currently your cheapest option to San Diego, with prices starting at $258. United Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.
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, November is the cheapest month in which you can book a flight from Aspen to San Diego (average of $255). Flying from Aspen to San Diego in January is currently the most expensive (average of $756). 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

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Top airline flying from Aspen to San Diego

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$258	Average$388	FlexibilityNo cancel fee	On-time69%

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$185+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Aspen to San Diego with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Aspen to San Diego

Cheapest flights from Aspen to San DiegoExplore 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 September 12, 2026.

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 September 12, 2026.

Best flights from Aspen to San DiegoDiscover carefully curated flight deals from Aspen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Discover carefully curated flight deals from Aspen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Last-minute flights from Aspen to San DiegoDiscover last-minute flight deals from Aspen to San Diego. Data last updated September 12, 2026 and is based on user searches.

Discover last-minute flight deals from Aspen to San Diego. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Aspen to San DiegoSearch for one-way flight options from Aspen to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Search for one-way flight options from Aspen to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Find flight deals from Aspen to San Diego

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Aspen to San Diego that are best for you.

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.

Cheapflights Insights

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

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with United Airlines from Aspen to San Diego to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Aspen to San Diego?

What is the cheapest airline to fly from Aspen to San Diego round-trip?

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

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

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

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

Traveling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Aspen to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Aspen to San Diego by cabin class

Find flights from Aspen to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Aspen and San Diego flights

Browse other Aspen and San Diego flight options. Last updated on September 12, 2026.

Other flights from Aspen

Browse through other flights departing from Aspen. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

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Other flights to San Diego

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Top airline flying from Aspen to San Diego

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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 September 12, 2026.

Best flights from Aspen to San Diego
Discover carefully curated flight deals from Aspen to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.

Last-minute flights from Aspen to San Diego
Discover last-minute flight deals from Aspen to San Diego. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Aspen to San Diego
Search for one-way flight options from Aspen to San Diego. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.