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Cheap flights from Aspen to San Diego from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Aspen to San Diego departing on 3/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Aspen to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:12 am - 3:05 pm
ASE
-
SAN
5h 53m
1 stop
United Airlines Logo
6:15 am - 12:51 pm
SAN
-
ASE
5h 36m
1 stop
$269United Airlines
Tue, Mar 10 - Sat, Mar 14
United Airlines Logo
12:22 pm - 7:48 pm
ASE
-
SAN
8h 26m
2 stops
United Airlines Logo
6:15 am - 2:27 pm
SAN
-
ASE
7h 12m
1 stop
$274United Airlines
Tue, Mar 10 - Sat, Mar 14
United Airlines Logo
5:10 pm - 8:46 pm
ASE
-
SAN
4h 36m
1 stop
United Airlines Logo
6:20 am - 1:41 pm
SAN
-
ASE
6h 21m
1 stop
$332United Airlines
Sat, Jul 11 - Sat, Jul 18
Delta Logo
12:30 pm - 6:45 pm
ASE
-
SAN
7h 15m
1 stop
Delta Logo
6:20 am - 12:56 pm
SAN
-
ASE
5h 36m
1 stop
$339Delta
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
1:51 pm - 7:48 pm
ASE
-
SAN
6h 57m
1 stop
United Airlines Logo
11:01 am - 10:29 pm
SAN
-
ASE
10h 28m
2 stops
$344United Airlines
Sun, Mar 22 - Tue, Mar 31
United Airlines Logo
5:16 pm - 11:59 pm
ASE
-
SAN
7h 43m
2 stops
United Airlines Logo
6:20 am - 4:35 pm
SAN
-
ASE
9h 15m
2 stops
$349United Airlines
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
1:22 pm - 7:48 pm
ASE
-
SAN
7h 26m
2 stops
United Airlines Logo
11:03 am - 4:17 pm
SAN
-
ASE
4h 14m
1 stop
$364United Airlines
Fri, Mar 6 - Sun, Mar 8
United Airlines Logo
7:15 pm - 11:54 pm
ASE
-
SAN
5h 39m
1 stop
United Airlines Logo
6:20 am - 1:41 pm
SAN
-
ASE
6h 21m
1 stop
$409United Airlines
Tue, Jul 28 - Fri, Jul 31
United Airlines Logo
7:15 pm - 11:54 pm
ASE
-
SAN
5h 39m
1 stop
United Airlines Logo
6:20 am - 4:08 pm
SAN
-
ASE
8h 48m
2 stops
$414United Airlines
Tue, Jul 28 - Fri, Jul 31
American Airlines Logo
4:36 pm - 10:23 pm
ASE
-
SAN
6h 47m
1 stop
American Airlines Logo
6:24 am - 11:49 am
SAN
-
ASE
4h 25m
1 stop
$415American Airlines
Thu, Mar 19 - Fri, Mar 20

Delta flights from Aspen to San Diego

Our best Delta deals on Aspen to San Diego flight tickets
Delta
Mar 4
ASE12:30 pmAspen Pitkin County
7h 15m
1 stop
SAN6:45 pmSan Diego
Mar 7
SAN6:20 amSan Diego
5h 31m
1 stop
ASE12:51 pmAspen Pitkin County
$304
Delta
Mar 6
ASE12:30 pmAspen Pitkin County
7h 15m
1 stop
SAN6:45 pmSan Diego
Mar 8
SAN6:20 amSan Diego
5h 36m
1 stop
ASE12:56 pmAspen Pitkin County
$339
Delta
Feb 26
ASE12:30 pmAspen Pitkin County
7h 15m
1 stop
SAN6:45 pmSan Diego
Mar 2
SAN6:20 amSan Diego
5h 31m
1 stop
ASE12:51 pmAspen Pitkin County
$354

United Airlines flights from Aspen to San Diego

Our best United Airlines deals on Aspen to San Diego flight tickets
United Airlines
Mar 10
ASE10:12 amAspen Pitkin County
5h 53m
1 stop
SAN3:05 pmSan Diego
Mar 14
SAN6:15 amSan Diego
5h 36m
1 stop
ASE12:51 pmAspen Pitkin County
$269
United Airlines
Mar 10
ASE12:22 pmAspen Pitkin County
8h 26m
2 stops
SAN7:48 pmSan Diego
Mar 14
SAN6:15 amSan Diego
7h 12m
1 stop
ASE2:27 pmAspen Pitkin County
$274
United Airlines
Mar 4
ASE11:05 amAspen Pitkin County
7h 24m
2 stops
SAN5:29 pmSan Diego
Mar 7
SAN11:03 amSan Diego
4h 14m
1 stop
ASE4:17 pmAspen Pitkin County
$309

momondo 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, momondo users made 832,500 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from Aspen to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Tue 3/10

10:12 am-3:05 pm

1 stop5h 53m

San Diego

Sat 3/14

6:15 am-12:51 pm

1 stop5h 36m

$269

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Tue 3/10

12:22 pm-7:48 pm

2 stops8h 26m

San Diego

Sat 3/14

6:15 am-2:27 pm

1 stop7h 12m

$274

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Sat 7/11

5:10 pm-8:46 pm

1 stop4h 36m

San Diego

Sat 7/18

6:20 am-1:41 pm

1 stop6h 21m

$332

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Fri 3/6

12:30 pm-6:45 pm

1 stop7h 15m

San Diego

Sun 3/8

6:20 am-12:56 pm

1 stop5h 36m

$339

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Sun 3/22

1:51 pm-7:48 pm

1 stop6h 57m

San Diego

Tue 3/31

11:01 am-10:29 pm

2 stops10h 28m

$344

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 4/16

5:16 pm-11:59 pm

2 stops7h 43m

San Diego

Wed 4/22

6:20 am-4:35 pm

2 stops9h 15m

$349

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Fri 3/6

1:22 pm-7:48 pm

2 stops7h 26m

San Diego

Sun 3/8

11:03 am-4:17 pm

1 stop4h 14m

$364

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Tue 7/28

7:15 pm-11:54 pm

1 stop5h 39m

San Diego

Fri 7/31

6:20 am-1:41 pm

1 stop6h 21m

$409

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Tue 7/28

7:15 pm-11:54 pm

1 stop5h 39m

San Diego

Fri 7/31

6:20 am-4:08 pm

2 stops8h 48m

$414

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 3/19

4:36 pm-10:23 pm

1 stop6h 47m

San Diego

Fri 3/20

6:24 am-11:49 am

1 stop4h 25m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

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

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

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

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

What airlines fly to San Diego?

United Airlines, American Airlines and Breeze Airways are the top three most popular airlines that fly to San Diego from Aspen according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 6 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When to book flights from Aspen to San Diego

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

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

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

Fastest flight time

4h 36m

Direct flights

None
The fastest flight from Aspen to San Diego takes 4h 36m
There are no direct flights from Aspen to San Diego. There are no popular flight routes from Aspen to San Diego.
Search flight deals

  • How far is Aspen Pitkin County to San Diego by plane?

    There are 729.8 mi between Aspen Pitkin County and San Diego. Typically, this will take 4h 36m by plane in normal conditions.

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

    Prices for flights from Aspen Pitkin County Airport to San Diego Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Aspen Pitkin County Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Aspen to San Diego?

Best airlines flying from Aspen to San Diego

Compare and see reviews for airlines that fly from Aspen to San Diego with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
Santee

Why use momondo?

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

It is quick and easy to find Aspen to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

Flights from Aspen to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Aspen to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to San Diego from Aspen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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