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

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

What airlines fly to Aspen?

United Airlines, American Airlines and Breeze Airways 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 66% 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 December 2025, there are 3 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.

$226 Cheap Flights from San Diego to Aspen in 2025/26

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Find the cheapest flights from San Diego to Aspen

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:10 am - 4:52 pm

SAN

ASE

4h 42m1 stop

8:53 am - 3:04 pm

ASE

SAN

7h 11m1 stop

$229United Airlines

Wed, Jan 7 - Tue, Jan 13

11:08 am - 6:39 pm

SAN

ASE

6h 31m2 stops

1:33 pm - 5:28 pm

ASE

SAN

4h 55m1 stop

$234United Airlines

Wed, Jan 7 - Tue, Jan 13

4:10 pm - 9:59 pm

SAN

ASE

4h 49m1 stop

5:02 pm - 10:37 pm

ASE

SAN

6h 35m1 stop

$236United Airlines

Thu, Jan 8 - Sun, Jan 11

11:08 am - 6:39 pm

SAN

ASE

6h 31m2 stops

9:40 am - 2:52 pm

ASE

SAN

6h 12m1 stop

$241United Airlines

Fri, Jan 9 - Mon, Jan 12

11:08 am - 7:52 pm

SAN

ASE

7h 44m2 stops

5:02 pm - 10:37 pm

ASE

SAN

6h 35m1 stop

$242United Airlines

Thu, Jan 8 - Sun, Jan 11

11:08 am - 7:52 pm

SAN

ASE

7h 44m2 stops

5:02 pm - 8:42 pm

ASE

SAN

4h 40m1 stop

$272United Airlines

Thu, Jan 8 - Mon, Jan 12

12:42 pm - 6:42 pm

SAN

ASE

5h 00m1 stop

3:00 pm - 7:54 pm

ASE

SAN

5h 54m1 stop

$284United Airlines

Thu, Dec 25 - Fri, Jan 9

6:35 am - 12:53 pm

SAN

ASE

5h 18m1 stop

12:24 pm - 10:02 am

ASE

SAN

22h 38m2 stops

$288Delta

Tue, Jan 6 - Tue, Jan 13

11:12 am - 7:47 pm

SAN

ASE

7h 35m2 stops

5:02 pm - 8:42 pm

ASE

SAN

4h 40m1 stop

$289United Airlines

Thu, Dec 25 - Fri, Jan 9

1:00 pm - 6:39 pm

SAN

ASE

4h 39m1 stop

8:53 am - 3:04 pm

ASE

SAN

7h 11m1 stop

$299United Airlines

Sat, Jan 10 - Tue, Jan 13

United Airlines flights from San Diego to Aspen

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

United Airlines

Jan 7

SAN11:10 amSan Diego

4h 42m

1 stop

ASE4:52 pmAspen Pitkin County

Jan 13

ASE8:53 amAspen Pitkin County

7h 11m

1 stop

SAN3:04 pmSan Diego

$229

Find similar

United Airlines

Jan 7

SAN11:08 amSan Diego

6h 31m

2 stops

ASE6:39 pmAspen Pitkin County

Jan 13

ASE1:33 pmAspen Pitkin County

4h 55m

1 stop

SAN5:28 pmSan Diego

$234

Find similar

United Airlines

Jan 8

SAN4:10 pmSan Diego

4h 49m

1 stop

ASE9:59 pmAspen Pitkin County

Jan 11

ASE5:02 pmAspen Pitkin County

6h 35m

1 stop

SAN10:37 pmSan Diego

$236

Find similar

Delta flights from San Diego to Aspen

Our best Delta deals on San Diego to Aspen flight tickets

Delta

Jan 6

SAN6:35 amSan Diego

5h 18m

1 stop

ASE12:53 pmAspen Pitkin County

Jan 13

ASE12:24 pmAspen Pitkin County

22h 38m

2 stops

SAN10:02 amSan Diego

$288

Find similar

Delta

Jan 30

SAN6:35 amSan Diego

5h 18m

1 stop

ASE12:53 pmAspen Pitkin County

Feb 1

ASE12:24 pmAspen Pitkin County

7h 29m

1 stop

SAN6:53 pmSan Diego

$429

Find similar

Delta

Jan 6

SAN6:35 amSan Diego

5h 18m

1 stop

ASE12:53 pmAspen Pitkin County

Jan 11

ASE12:24 pmAspen Pitkin County

7h 29m

1 stop

SAN6:53 pmSan Diego

$520

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 1/7

11:10 am-4:52 pm

1 stop4h 42m

Aspen Pitkin County

Tue 1/13

8:53 am-3:04 pm

1 stop7h 11m

$229

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 1/7

11:08 am-6:39 pm

2 stops6h 31m

Aspen Pitkin County

Tue 1/13

1:33 pm-5:28 pm

1 stop4h 55m

$234

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 1/8

4:10 pm-9:59 pm

1 stop4h 49m

Aspen Pitkin County

Sun 1/11

5:02 pm-10:37 pm

1 stop6h 35m

$236

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 1/9

11:08 am-6:39 pm

2 stops6h 31m

Aspen Pitkin County

Mon 1/12

9:40 am-2:52 pm

1 stop6h 12m

$241

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 1/8

11:08 am-7:52 pm

2 stops7h 44m

Aspen Pitkin County

Sun 1/11

5:02 pm-10:37 pm

1 stop6h 35m

$242

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 1/8

11:08 am-7:52 pm

2 stops7h 44m

Aspen Pitkin County

Mon 1/12

5:02 pm-8:42 pm

1 stop4h 40m

$272

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 12/25

12:42 pm-6:42 pm

1 stop5h 00m

Aspen Pitkin County

Fri 1/9

3:00 pm-7:54 pm

1 stop5h 54m

$284

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 1/6

6:35 am-12:53 pm

1 stop5h 18m

Aspen Pitkin County

Tue 1/13

12:24 pm-10:02 am

2 stops22h 38m

$288

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 12/25

11:12 am-7:47 pm

2 stops7h 35m

Aspen Pitkin County

Fri 1/9

5:02 pm-8:42 pm

1 stop4h 40m

$289

San DiegoAspen

SAN - ASE

SANASE

San Diego

Sat 1/10

1:00 pm-6:39 pm

1 stop4h 39m

Aspen Pitkin County

Tue 1/13

8:53 am-3:04 pm

1 stop7h 11m

$299

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 January is, on average, the cheapest month to fly to Aspen from San Diego, with most prices found around $370. If you aren’t able to travel to Aspen during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $389.

What is the cheapest day to depart on your flight to Aspen?

The cheapest day to depart from San Diego to Aspen is on a Friday when prices can be found for as low as $491. The most expensive day to fly to Aspen is Monday, with ticket prices averaging around $566.

What is the cheapest time of day to depart on your flight to Aspen?

In the morning is the cheapest time of day to fly from San Diego to Aspen when you can find flight prices for as low as $514. Flying to Aspen in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $613. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 25m
Direct flights	None

The fastest flight from San Diego to Aspen takes 4h 25m

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 25m, 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 December 2025, there are 3 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 77% of the total bookings. Other popular airlines include American Airlines with 12% and Delta with 12%.

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 $228	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $229	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights

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Carbondale

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Aspen. Millions of users trust and use momondo every year so you are in good hands.

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.