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Cheap flights from Aspen to San Diego from $185

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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
3:20 pm - 8:34 pm
ASE
-
SAN
6h 14m
1 stop
United Airlines Logo
8:45 am - 3:08 pm
SAN
-
ASE
5h 23m
1 stop
$349United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
4:45 pm - 8:34 pm
ASE
-
SAN
4h 49m
1 stop
United Airlines Logo
1:24 pm - 7:52 pm
SAN
-
ASE
5h 28m
1 stop
$379United Airlines
Mon, Aug 31 - Sat, Sep 5
United Airlines Logo
4:45 pm - 8:34 pm
ASE
-
SAN
4h 49m
1 stop
United Airlines Logo
2:24 pm - 9:29 pm
SAN
-
ASE
6h 05m
2 stops
$384United Airlines
Mon, Aug 31 - Sat, Sep 5
United Airlines Logo
8:05 am - 11:35 am
ASE
-
SAN
4h 30m
1 stop
United Airlines Logo
6:30 am - 2:23 pm
SAN
-
ASE
6h 53m
1 stop
$419United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
9:40 am - 1:44 pm
ASE
-
SAN
5h 04m
1 stop
United Airlines Logo
2:24 pm - 9:29 pm
SAN
-
ASE
6h 05m
2 stops
$421United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
8:05 am - 11:35 am
ASE
-
SAN
4h 30m
1 stop
United Airlines Logo
6:20 am - 6:46 pm
SAN
-
ASE
11h 26m
2 stops
$424United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
8:05 am - 11:35 am
ASE
-
SAN
4h 30m
1 stop
United Airlines Logo
6:30 am - 2:23 pm
SAN
-
ASE
6h 53m
1 stop
$429United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
8:05 am - 11:35 am
ASE
-
SAN
4h 30m
1 stop
United Airlines Logo
6:20 am - 6:46 pm
SAN
-
ASE
11h 26m
2 stops
$434United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
9:15 am - 5:26 pm
ASE
-
SAN
9h 11m
2 stops
United Airlines Logo
6:20 am - 2:23 pm
SAN
-
ASE
7h 03m
2 stops
$439United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
8:32 am - 2:55 pm
ASE
-
SAN
7h 23m
1 stop
United Airlines Logo
10:55 am - 4:29 pm
SAN
-
ASE
4h 34m
1 stop
$469United Airlines
Thu, Aug 6 - Sat, Aug 8

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United Airlines flights from Aspen to San Diego

Our best United Airlines deals on Aspen to San Diego flight tickets
United Airlines
Aug 20
ASE3:20 pmAspen Pitkin County
6h 14m
1 stop
SAN8:34 pmSan Diego
Aug 23
SAN8:45 amSan Diego
5h 23m
1 stop
ASE3:08 pmAspen Pitkin County
$349
United Airlines
Aug 31
ASE4:45 pmAspen Pitkin County
4h 49m
1 stop
SAN8:34 pmSan Diego
Sep 5
SAN1:24 pmSan Diego
5h 28m
1 stop
ASE7:52 pmAspen Pitkin County
$379
United Airlines
Aug 31
ASE4:45 pmAspen Pitkin County
4h 49m
1 stop
SAN8:34 pmSan Diego
Sep 5
SAN2:24 pmSan Diego
6h 05m
2 stops
ASE9:29 pmAspen Pitkin County
$384

American Airlines flights from Aspen to San Diego

Our best American Airlines deals on Aspen to San Diego flight tickets
American Airlines
Aug 22
ASE7:30 amAspen Pitkin County
11h 48m
2 stops
SAN6:18 pmSan Diego
Sep 3
SAN6:25 amSan Diego
12h 51m
2 stops
ASE8:16 pmAspen Pitkin County
$888
American Airlines
Nov 24
ASE12:54 pmAspen Pitkin County
9h 47m
2 stops
SAN9:41 pmSan Diego
Nov 28
SAN6:25 amSan Diego
13h 01m
2 stops
ASE8:26 pmAspen Pitkin County
$1,200
American Airlines
Nov 24
ASE7:30 amAspen Pitkin County
11h 55m
2 stops
SAN6:25 pmSan Diego
Nov 28
SAN9:26 amSan Diego
10h 00m
2 stops
ASE8:26 pmAspen Pitkin County
$1,210

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 July 25, 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

Cheapest round-trip

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 8/20

3:20 pm-8:34 pm

1 stop6h 14m

San Diego

Sun 8/23

8:45 am-3:08 pm

1 stop5h 23m

$349
Quickest round-trip

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Mon 8/31

4:45 pm-8:34 pm

1 stop4h 49m

San Diego

Sat 9/5

1:24 pm-7:52 pm

1 stop5h 28m

$379

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Mon 8/31

4:45 pm-8:34 pm

1 stop4h 49m

San Diego

Sat 9/5

2:24 pm-9:29 pm

2 stops6h 05m

$384

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 9/3

8:05 am-11:35 am

1 stop4h 30m

San Diego

Mon 9/7

6:30 am-2:23 pm

1 stop6h 53m

$419

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 8/20

9:40 am-1:44 pm

1 stop5h 04m

San Diego

Sun 8/23

2:24 pm-9:29 pm

2 stops6h 05m

$421

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 9/3

8:05 am-11:35 am

1 stop4h 30m

San Diego

Mon 9/7

6:20 am-6:46 pm

2 stops11h 26m

$424

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 9/3

8:05 am-11:35 am

1 stop4h 30m

San Diego

Mon 9/7

6:30 am-2:23 pm

1 stop6h 53m

$429

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 9/3

8:05 am-11:35 am

1 stop4h 30m

San Diego

Mon 9/7

6:20 am-6:46 pm

2 stops11h 26m

$434

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 9/3

9:15 am-5:26 pm

2 stops9h 11m

San Diego

Mon 9/7

6:20 am-2:23 pm

2 stops7h 03m

$439

AspenSan Diego

ASE - SAN

ASESAN

Aspen Pitkin County

Thu 8/6

8:32 am-2:55 pm

1 stop7h 23m

San Diego

Sat 8/8

10:55 am-4:29 pm

1 stop4h 34m

$469

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 month to fly to San Diego?

If you are unable to visit San Diego during the month of August, then departing from Aspen during the month June is also very affordable. Most momondo users find prices during this month for around $328.

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 25m

Direct flights

None
The fastest flight from Aspen to San Diego takes 4h 25m
There are no direct flights from Aspen to San Diego. There are no popular flight routes from Aspen to San Diego.
Search flight deals

Frequently asked questions about flying from Aspen to San Diego

  • 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 25m 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
10,034 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
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

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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