What is the cheapest airline that flies from San Diego to Aspen Pitkin County?

United Airlines and American Airlines are the most popular carriers operating from San Diego to Aspen Pitkin County

What airlines fly to Aspen?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Aspen from San Diego according to our data. United Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Aspen. Keep in mind that there are 6 different airlines that fly to Aspen on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Aspen Pitkin County Airport?

Prices for flights from San Diego Airport to Aspen Pitkin County Airport refresh daily.

How many operators does momondo search for flights from San Diego Airport to Aspen Pitkin County Airport?

As of March 2026, there are 2 operators available to choose from for flights from San Diego Airport to Aspen Pitkin County Airport.

How old do you have to be to fly from San Diego Airport to Aspen Pitkin County Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Aspen Pitkin County Airport.

What documentation or ID do you need to fly to Aspen Pitkin County Airport?

The necessary travel and health documents for your Aspen Pitkin County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$170 Cheap Flights from San Diego to Aspen in 2026

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Find the cheapest flights from San Diego to Aspen

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 am - 12:56 pm

SAN

ASE

5h 36m

1 stop

12:20 pm - 6:22 pm

ASE

SAN

7h 02m

1 stop

$329Delta

Fri, Apr 3 - Tue, Apr 7

4:07 pm - 9:26 pm

SAN

ASE

4h 19m

1 stop

5:10 pm - 11:54 pm

ASE

SAN

7h 44m

2 stops

$334United Airlines

Wed, Jul 8 - Wed, Jul 15

6:35 am - 2:44 pm

SAN

ASE

7h 09m

1 stop

6:12 pm - 10:25 pm

ASE

SAN

5h 13m

1 stop

$339United Airlines

Fri, May 22 - Mon, May 25

12:45 pm - 8:54 pm

SAN

ASE

7h 09m

1 stop

10:24 am - 4:00 pm

ASE

SAN

6h 36m

1 stop

$349American Airlines

Thu, Apr 2 - Mon, Apr 6

9:53 am - 8:54 pm

SAN

ASE

10h 01m

2 stops

10:24 am - 4:00 pm

ASE

SAN

6h 36m

1 stop

$354American Airlines

Fri, Apr 3 - Mon, Apr 6

11:01 am - 4:05 pm

SAN

ASE

4h 04m

1 stop

1:25 pm - 8:12 pm

ASE

SAN

7h 47m

2 stops

$369United Airlines

Fri, Apr 3 - Tue, Apr 7

3:00 pm - 8:23 pm

SAN

ASE

4h 23m

1 stop

12:03 pm - 3:11 pm

ASE

SAN

4h 08m

1 stop

$374Delta

Fri, Jun 26 - Tue, Jun 30

4:01 pm - 9:26 pm

SAN

ASE

4h 25m

1 stop

1:22 pm - 7:51 pm

ASE

SAN

7h 29m

2 stops

$375United Airlines

Mon, Jun 1 - Thu, Jun 4

11:01 am - 4:05 pm

SAN

ASE

4h 04m

1 stop

5:16 pm - 11:59 pm

ASE

SAN

7h 43m

2 stops

$394United Airlines

Thu, Apr 2 - Mon, Apr 6

11:00 am - 4:35 pm

SAN

ASE

4h 35m

1 stop

12:14 pm - 5:16 pm

ASE

SAN

6h 02m

1 stop

$399United Airlines

Thu, Apr 16 - Mon, Apr 20

American Airlines flights from San Diego to Aspen

Our best American Airlines deals on San Diego to Aspen flight tickets

American Airlines

Apr 2

SAN12:45 pmSan Diego

7h 09m

1 stop

ASE8:54 pmAspen Pitkin County

Apr 6

ASE10:24 amAspen Pitkin County

6h 36m

1 stop

SAN4:00 pmSan Diego

$349

American Airlines

Apr 3

SAN9:53 amSan Diego

10h 01m

2 stops

ASE8:54 pmAspen Pitkin County

Apr 6

ASE10:24 amAspen Pitkin County

6h 36m

1 stop

SAN4:00 pmSan Diego

$354

American Airlines

Jun 23

SAN7:15 pmSan Diego

13h 45m

2 stops

ASE10:00 amAspen Pitkin County

Jun 30

ASE7:36 amAspen Pitkin County

8h 52m

2 stops

SAN3:28 pmSan Diego

$429

United Airlines flights from San Diego to Aspen

Our best United Airlines deals on San Diego to Aspen flight tickets

United Airlines

Jul 8

SAN4:07 pmSan Diego

4h 19m

1 stop

ASE9:26 pmAspen Pitkin County

Jul 15

ASE5:10 pmAspen Pitkin County

7h 44m

2 stops

SAN11:54 pmSan Diego

$334

United Airlines

May 22

SAN6:35 amSan Diego

7h 09m

1 stop

ASE2:44 pmAspen Pitkin County

May 25

ASE6:12 pmAspen Pitkin County

5h 13m

1 stop

SAN10:25 pmSan Diego

$339

United Airlines

Apr 3

SAN11:01 amSan Diego

4h 04m

1 stop

ASE4:05 pmAspen Pitkin County

Apr 7

ASE1:25 pmAspen Pitkin County

7h 47m

2 stops

SAN8:12 pmSan Diego

$369

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 4/3

6:20 am-12:56 pm

1 stop5h 36m

Aspen Pitkin County

Tue 4/7

12:20 pm-6:22 pm

1 stop7h 02m

$329

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 7/8

4:07 pm-9:26 pm

1 stop4h 19m

Aspen Pitkin County

Wed 7/15

5:10 pm-11:54 pm

2 stops7h 44m

$334

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 5/22

6:35 am-2:44 pm

1 stop7h 09m

Aspen Pitkin County

Mon 5/25

6:12 pm-10:25 pm

1 stop5h 13m

$339

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 4/2

12:45 pm-8:54 pm

1 stop7h 09m

Aspen Pitkin County

Mon 4/6

10:24 am-4:00 pm

1 stop6h 36m

$349

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 4/3

9:53 am-8:54 pm

2 stops10h 01m

Aspen Pitkin County

Mon 4/6

10:24 am-4:00 pm

1 stop6h 36m

$354

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 4/3

11:01 am-4:05 pm

1 stop4h 04m

Aspen Pitkin County

Tue 4/7

1:25 pm-8:12 pm

2 stops7h 47m

$369

Quickest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 6/26

3:00 pm-8:23 pm

1 stop4h 23m

Aspen Pitkin County

Tue 6/30

12:03 pm-3:11 pm

1 stop4h 08m

$374

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 6/1

4:01 pm-9:26 pm

1 stop4h 25m

Aspen Pitkin County

Thu 6/4

1:22 pm-7:51 pm

2 stops7h 29m

$375

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 4/2

11:01 am-4:05 pm

1 stop4h 04m

Aspen Pitkin County

Mon 4/6

5:16 pm-11:59 pm

2 stops7h 43m

$394

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 4/16

11:00 am-4:35 pm

1 stop4h 35m

Aspen Pitkin County

Mon 4/20

12:14 pm-5:16 pm

1 stop6h 02m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Aspen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Aspen?

The month of August is, on average, the cheapest month to fly to Aspen from San Diego, with most prices found around $389. If you aren’t able to travel to Aspen during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $394.

When to book flights from San Diego to Aspen

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Aspen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Diego to Aspen (SAN to ASE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Aspen

Fastest flight time	4h 04m
Direct flights	None

The fastest flight from San Diego to Aspen takes 4h 04m

There are no direct flights from San Diego to Aspen. There are no popular flight routes from San Diego to Aspen.

Search flight deals

How far is San Diego to Aspen Pitkin County by plane?
Aspen Pitkin County is 729.8 mi away from San Diego. Flights usually cover this in 4h 04m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Diego Airport to Aspen Pitkin County Airport?
Prices for flights from San Diego Airport to Aspen Pitkin County Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Aspen Pitkin County Airport?
As of March 2026, there are 2 operators available to choose from for flights from San Diego Airport to Aspen Pitkin County Airport.
How old do you have to be to fly from San Diego Airport to Aspen Pitkin County Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Aspen Pitkin County Airport.
What documentation or ID do you need to fly to Aspen Pitkin County Airport?
The necessary travel and health documents for your Aspen Pitkin County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Diego to Aspen?
Based on momondo bookings for flights between San Diego and Aspen, the leading airline is United Airlines, making up 91% of the total bookings. Other popular airlines include Delta with 9%.

Best airlines flying from San Diego to Aspen

Compare and see reviews for airlines that fly from San Diego to Aspen with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $215	Free Cancellation	Rating 7.9 8,314 reviews		Search Delta flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,455 reviews		Search United Airlines flights

Leadville

Snowmass Village

Carbondale

Snowmass

Buena Vista

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Why should I use momondo to find a flight deal from San Diego to Aspen?

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Can I find flights from San Diego to Aspen with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Aspen from San Diego with this policy.

How can momondo help me find flights from San Diego to Aspen?

momondo helps you find the best flight between San Diego and Aspen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Diego to Aspen right now. Can momondo alert me if prices change?

Price alerts on flights to Aspen from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.