ASE - SAN

$195 Find Cheap Flights from Aspen to San Diego - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$409
Typical prices: $328-$474
United Airlines
Sun 3/18Sat 3/24
ASE - SAN • 1 stop
Cheapest one-way
$195
Typical prices: $242-$328
United Airlines
Sun 10/21
ASE - SAN • 1 stop
When to travel
June
Cheapest • 14% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Los Angeles (LAX)
Cheapest • Avg $361 (round-trip)
Denver Intl (DEN)
Shortest trip • 4h 44m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Aspen to San Diego (ASE-SAN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Aspen to San Diego

Thu, Mar 18 - Wed, Mar 24
United Airlines Logo
12:20 pm - 5:10 pmASE  Aspen Pitkin County-SAN San Diego
5h 50m1 stop Denver Intl
United Airlines Logo
11:20 am - 4:56 pmSAN  San Diego-ASE Aspen Pitkin County
4h 36m1 stop Denver Intl
$409United Airlines
Thu, Oct 22 - Sun, Oct 25
Delta Logo
12:02 pm - 3:10 pmASE  Aspen Pitkin County-SAN San Diego
4h 08m1 stop Los Angeles
Delta Logo
3:00 pm - 8:14 pmSAN  San Diego-ASE Aspen Pitkin County
4h 14m1 stop Los Angeles
$459Delta
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
8:30 am - 12:55 pmASE  Aspen Pitkin County-SAN San Diego
5h 25m1 stop Denver Intl
United Airlines Logo
8:45 am - 2:37 pmSAN  San Diego-ASE Aspen Pitkin County
4h 52m1 stop Denver Intl
$489United Airlines
Fri, Oct 16 - Sun, Oct 18
Delta Logo
12:02 pm - 3:10 pmASE  Aspen Pitkin County-SAN San Diego
4h 08m1 stop Los Angeles
Delta Logo
3:00 pm - 8:14 pmSAN  San Diego-ASE Aspen Pitkin County
4h 14m1 stop Los Angeles
$489Delta
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
11:20 am - 8:08 pmASE  Aspen Pitkin County-SAN San Diego
9h 48m2 stops Denver Intl Los Angeles
United Airlines Logo
8:45 am - 2:37 pmSAN  San Diego-ASE Aspen Pitkin County
4h 52m1 stop Denver Intl
$494United Airlines
Thu, Mar 18 - Wed, Mar 24
American Airlines Logo
12:24 pm - 3:56 pmASE  Aspen Pitkin County-SAN San Diego
4h 32m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:20 am - 4:26 pmSAN  San Diego-ASE Aspen Pitkin County
9h 06m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$624American Airlines
Sat, Oct 3 - Wed, Oct 7
American Airlines Logo
7:30 am - 6:16 pmASE  Aspen Pitkin County-SAN San Diego
11h 46m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
9:57 am - 8:21 pmSAN  San Diego-ASE Aspen Pitkin County
9h 24m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$649American Airlines
Sun, Nov 22 - Fri, Nov 27
American Airlines Logo
7:25 am - 3:50 pmASE  Aspen Pitkin County-SAN San Diego
9h 25m1 stop Dallas/Fort Worth
American Airlines Logo
9:30 am - 8:26 pmSAN  San Diego-ASE Aspen Pitkin County
9h 56m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$683American Airlines
Sat, Nov 21 - Fri, Nov 27
American Airlines Logo
12:57 pm - 7:09 pmASE  Aspen Pitkin County-SAN San Diego
7h 12m1 stop Dallas/Fort Worth
American Airlines Logo
9:30 am - 8:26 pmSAN  San Diego-ASE Aspen Pitkin County
9h 56m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$683American Airlines
Sat, Nov 21 - Fri, Nov 27
American Airlines Logo
7:25 am - 7:26 pmASE  Aspen Pitkin County-SAN San Diego
13h 01m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
9:30 am - 8:26 pmSAN  San Diego-ASE Aspen Pitkin County
9h 56m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$688American Airlines
Booking Insights

Price, demand and travel trends for Aspen to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Aspen to San Diego with more confidence.

How much is a round-trip flight from Aspen to San Diego?

Round-trip flights from Aspen to San Diego start at $409. Prices are typical for this route right now, with typical round-trip fares ranging from $328 to $474. The lowest price found in the past 5 days was $409 on United Airlines.

What's the cheapest day of the week to fly from Aspen to San Diego?

Wednesday is the cheapest day of the week to fly from Aspen to San Diego, it is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 97% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Aspen to San Diego?

•June is the cheapest month to fly from Aspen to San Diego at $328 round-trip.
•January ($756) and November ($564) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 130% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Aspen to San Diego flights

Low season

August

Cheapest flight

$195
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Aspen to San Diego

When to book flights from Aspen to San Diego

Are your dates flexible? Find out the best times to travel from Aspen to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Aspen to San Diego flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What cabin classes can I book on flights from Aspen to San Diego?

    Only Economy Class is available on flights from Aspen to San Diego.

  • How long is a flight from Aspen to San Diego?

    There are currently no nonstop flights available from Aspen to San Diego. Flights with 1 layover take between 4h 44m and 4h 52m in total, depending on the connection.

  • Do I need a passport to fly from Aspen to San Diego?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How much should I expect to pay for a Aspen to San Diego flight?

    Round-trip flights from Aspen to San Diego range from $328 to $474, with an average of $383 over the past 12 months. Anything below $328 counts as a good deal.

  • Have flight prices from Aspen to San Diego changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $409 to $1,115. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Aspen to San Diego looking right now?

    One-way fares from Aspen to San Diego are currently lower than usual. Average one-way flight prices are about $236, which is 9% below the typical average for this route.

  • What car rental options are available at San Diego Airport (SAN)?

    San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    • Dollar
    • Payless
    • Europcar
    • Thrifty
    • Fox

  • Which airports can I use when flying from Aspen to San Diego?

    Flights from Aspen to San Diego usually depart from Aspen Pitkin County (ASE) and arrive at San Diego (SAN).

  • Which airports do connecting flights from Aspen to San Diego pass through?

    One-stop flights from Aspen to San Diego most commonly connect through:

    • Denver Intl (DEN) - 60% of one-stop connections
    • Los Angeles (LAX) - 37% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Aspen to San Diego?

    Yes. Being flexible with your travel dates can save you up to 57% on the Aspen to San Diego route. Wednesday is the cheapest departure day at $328 round-trip on average, while Sunday is the most expensive at $756, a difference of $428. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Aspen to San Diego?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 4h 44m, compared with 4h 44m via Los Angeles (LAX) and 4h 52m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Aspen and San Diego?

    San Diego is 1 hour behind Aspen (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Diego?

    Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Your guide to booking Aspen to San Diego flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $328 - about $428 less than Sunday (57% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Aspen to San Diego trip for June. Fares historically average $328 round-trip in that month - typically $428 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.
    - Courtyard by Marriott San Diego Downtown Little Italy
    - Wyndham San Diego Bayside
    - Bay Club Hotel & Marina

More options for your flight from Aspen to San Diego

Complete your trip to San Diego with a hotel stay or car rental

Car rentals in San Diego
Hotels in San Diego
Vacations in San Diego