How long is the flight from San Diego to Aspen?

For as low as $229, 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 $229 and $278 round-trip. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Aspen ranges from 1.0 - 1.8 inches per month. April is typically the wettest month, when rainfall can reach 1.8 in. January is typically the driest time to visit Aspen when rainfall is around 1.0 in.

If weather is an important factor for your trip to Aspen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What are the most popular airlines that fly from San Diego to Aspen?

United Airlines, American Airlines and Delta are the most popular airlines when flying from San Diego to Aspen.

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.

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.

$226+ Flights from San Diego to Aspen

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

Airfare is below average for this route at the moment. San Diego to Aspen flights typically cost between $558 and $776 in January. The cheapest round-trip price found within the last 3 days was $229 on American Airlines (Jan 7-Jan 13).

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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 dezembro 18, 2025.

qui 12/259:00 amSAN - ASE

1 stop7h 22mUnited Airlines

sáb 1/109:40 amASE - SAN

1 stop6h 12mUnited Airlines

Deal found 12/17

$354

qua 12/314:10 pmSAN - ASE

1 stop4h 25mUnited Airlines

seg 1/57:00 amASE - SAN

1 stop6h 59mUnited Airlines

Deal found 12/17

$369

qui 12/2510:42 amSAN - ASE

1 stop7h 55mAmerican Airlines

sáb 1/104:58 pmASE - SAN

1 stop6h 52mAmerican Airlines

Deal found 12/15

$504

sex 12/199:00 amSAN - ASE

1 stop6h 19mUnited Airlines

seg 12/2212:57 pmASE - SAN

1 stop5h 37mUnited Airlines

Deal found 12/16

$529

qua 12/314:10 pmSAN - ASE

1 stop4h 25mUnited Airlines

dom 1/47:55 pmASE - SAN

1 stop4h 42mUnited Airlines

Deal found 12/16

$540

Best flights from San Diego to Aspen
Discover carefully curated flight deals from San Diego to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dezembro 18, 2025.

ter 1/206:15 amSAN - ASE

1 stop4h 38mAmerican Airlines

ter 1/277:30 amASE - SAN

1 stop9h 27mAmerican Airlines

Deal found 12/16

$229

qui 1/89:00 amSAN - ASE

1 stop4h 44mUnited Airlines

dom 1/115:02 pmASE - SAN

1 stop6h 35mUnited Airlines

Deal found 12/15

$236

qui 1/86:15 amSAN - ASE

1 stop4h 38mAmerican Airlines

seg 1/1212:12 pmASE - SAN

1 stop3h 51mAmerican Airlines

Deal found 12/18

$229

qua 1/711:10 amSAN - ASE

1 stop6h 29mUnited Airlines

dom 1/115:02 pmASE - SAN

1 stop6h 35mUnited Airlines

Deal found 12/16

$236

sex 1/96:15 amSAN - ASE

1 stop5h 48mUnited Airlines

dom 1/115:02 pmASE - SAN

1 stop6h 35mUnited Airlines

Deal found 12/17

$284

sáb 1/106:15 amSAN - ASE

1 stop5h 48mUnited Airlines

qua 1/1410:35 amASE - SAN

1 stop5h 29mUnited Airlines

Deal found 12/17

$299

sáb 1/1011:08 amSAN - ASE

1 stop4h 12mUnited Airlines

ter 1/138:53 amASE - SAN

1 stop7h 11mUnited Airlines

Deal found 12/15

$299

sex 3/66:15 amSAN - ASE

1 stop5h 36mUnited Airlines

sex 3/133:25 pmASE - SAN

1 stop5h 23mUnited Airlines

Deal found 12/16

$299

Last-minute flights from San Diego to Aspen
Discover last-minute flight deals from San Diego to Aspen. Data last updated dezembro 18, 2025 and is based on user searches.

qui 12/259:00 amSAN - ASE

1 stop7h 22mUnited Airlines

sáb 1/109:40 amASE - SAN

1 stop6h 12mUnited Airlines

Deal found 12/17

$354

sex 1/26:30 amSAN - ASE

1 stop5h 19mUnited Airlines

ter 1/63:00 pmASE - SAN

1 stop5h 54mUnited Airlines

Deal found 12/17

$269

dom 1/49:00 amSAN - ASE

1 stop7h 22mUnited Airlines

sáb 1/109:40 amASE - SAN

1 stop6h 12mUnited Airlines

Deal found 12/17

$343

qua 1/76:20 amSAN - ASE

1 stop9h 08mAmerican Airlines

ter 1/131:09 pmASE - SAN

1 stop8h 32mAmerican Airlines

Deal found 12/16

$229

qua 1/711:10 amSAN - ASE

1 stop6h 29mUnited Airlines

dom 1/115:02 pmASE - SAN

1 stop6h 35mUnited Airlines

Deal found 12/16

$236

sex 1/96:15 amSAN - ASE

1 stop5h 48mUnited Airlines

dom 1/115:02 pmASE - SAN

1 stop6h 35mUnited Airlines

Deal found 12/17

$284

sáb 1/106:15 amSAN - ASE

1 stop5h 48mUnited Airlines

qua 1/1410:35 amASE - SAN

1 stop5h 29mUnited Airlines

Deal found 12/17

$299

One-way flights from San Diego to Aspen
Search for one-way flight options from San Diego to Aspen. Find affordable one-way fares based on user searches. Data last updated dezembro 18, 2025.

dom 2/16:35 amSAN - ASE

1 stop5h 18mDelta

Deal found 12/17

$226

dom 2/111:08 amSAN - ASE

2 stops9h 51mUnited Airlines

Deal found 12/17

$266

qui 1/156:15 amSAN - ASE

2 stops9h 37mUnited Airlines

Deal found 12/17

$376

dom 2/229:08 pmSAN - ASE

2 stops20h 44mAlaska Airlines

Deal found 12/17

$429

qui 1/156:15 amSAN - ASE

2 stops11h 59mAmerican Airlines

Deal found 12/17

$539

dom 2/14:06 pmSAN - ASE

3 stops18h 36mAlaska Airlines

Deal found 12/17

$593

dom 2/229:15 amSAN - ASE

3 stops26h 54mMultiple Airlines

Deal found 12/17

$681

sex 12/268:45 pmSAN - ASE

2 stops22h 02mUnited Airlines

Deal found 12/16

$703

Find flight deals from San Diego to Aspen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$229 (American Airlines)
One-way from	$226 (Delta)
Popular in	December
Cheapest in	January
Average price	$633

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

High demand for flights, 5% potential price rise

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 December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

San DiegoAspen

SAN - ASE

SANASE

San Diego

ter 1/20

6:15 am-11:53 am

1 stop4h 38m

Aspen Pitkin County

ter 1/27

7:30 am-3:57 pm

1 stop9h 27m

$229

San DiegoAspen

SAN - ASE

SANASE

San Diego

qui 1/8

6:15 am-11:53 am

1 stop4h 38m

Aspen Pitkin County

seg 1/12

12:12 pm-3:03 pm

1 stop3h 51m

$229

San DiegoAspen

SAN - ASE

SANASE

San Diego

qui 1/8

9:00 am-2:44 pm

1 stop4h 44m

Aspen Pitkin County

dom 1/11

5:02 pm-10:37 pm

1 stop6h 35m

$236

San DiegoAspen

SAN - ASE

SANASE

San Diego

qua 1/7

11:10 am-6:39 pm

1 stop6h 29m

Aspen Pitkin County

dom 1/11

5:02 pm-10:37 pm

1 stop6h 35m

$236

San DiegoAspen

SAN - ASE

SANASE

San Diego

sex 1/9

6:15 am-1:03 pm

1 stop5h 48m

Aspen Pitkin County

dom 1/11

5:02 pm-10:37 pm

1 stop6h 35m

$284

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb 1/10

6:15 am-1:03 pm

1 stop5h 48m

Aspen Pitkin County

qua 1/14

10:35 am-3:04 pm

1 stop5h 29m

$299

San DiegoAspen

SAN - ASE

SANASE

San Diego

sáb 1/10

11:08 am-4:20 pm

1 stop4h 12m

Aspen Pitkin County

ter 1/13

8:53 am-3:04 pm

1 stop7h 11m

$299

San DiegoAspen

SAN - ASE

SANASE

San Diego

sex 3/6

6:15 am-12:51 pm

1 stop5h 36m

Aspen Pitkin County

sex 3/13

3:25 pm-7:48 pm

1 stop5h 23m

$299

San DiegoAspen

SAN - ASE

SANASE

San Diego

dom 2/22

6:15 am-1:10 pm

1 stop5h 55m

$226

San DiegoAspen

SAN - ASE

SANASE

San Diego

dom 2/1

6:35 am-12:53 pm

1 stop5h 18m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 15 results

Compare providers for flights from San Diego to Aspen

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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

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 $69). 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?

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.

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

Reviews of airlines servicing Aspen

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

8,004 reviews

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

8,004 reviews

Delta

7.9

Good

8,004 reviews

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

9,092 reviews

Delta

7.9

Good

8,004 reviews

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

11,055 reviews

Delta

7.9

Good

8,004 reviews

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

How long is the flight from San Diego to Aspen?
For as low as $229, 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 $229 and $278 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 $69). 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

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Top 3 airlines flying from San Diego to Aspen

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$228	Average$363	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$229	Average$529	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$278	Average$522	FlexibilityNo cancel fee	On-time69%

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$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.

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Cheap flight deals from San Diego to Aspen

Cheapest flights from San Diego to AspenExplore 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 dezembro 18, 2025.

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 dezembro 18, 2025.

Find flight deals from San Diego to Aspen

Most accurate provider

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 San Diego to Aspen that are best for you.

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.

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.

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?

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

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

Reviews of airlines servicing Aspen

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.

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?

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

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

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

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

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

Traveling to a place near Aspen?

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Top 3 airlines flying from San Diego to Aspen

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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 dezembro 18, 2025.