SAN - ASE

$227 Find Cheap Flights from San Diego to Aspen - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$404
Typical prices: $370-$525
United Airlines
Thu 12/6Sat 12/15
SAN - ASE • 1 stop
Cheapest one-way
$227
Typical prices: $228-$328
American Airlines
Mon 1/29
SAN - ASE • 1 stop
When to travel
March
Cheapest • 18% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Los Angeles (LAX)
Cheapest • Avg $424 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 4h 28m (one-way)
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Flight Deals

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

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

Recent round-trip flight deals from San Diego to Aspen

Tue, Feb 2 - Tue, Feb 9
American Airlines Logo
6:20 am - 11:43 amSAN  San Diego-ASE Aspen Pitkin County
4h 23m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:14 pm - 6:24 pmASE  Aspen Pitkin County-SAN San Diego
7h 10m1 stop Phoenix Sky Harbor Intl
$404American Airlines
Sun, Dec 6 - Tue, Dec 15
United Airlines Logo
6:45 am - 12:47 pmSAN  San Diego-ASE Aspen Pitkin County
5h 02m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:13 pmASE  Aspen Pitkin County-SAN San Diego
7h 13m1 stop Denver Intl
$404United Airlines
Tue, Jan 5 - Wed, Jan 13
Delta Logo
6:25 am - 1:19 pmSAN  San Diego-ASE Aspen Pitkin County
5h 54m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Sun, Jan 3 - Tue, Jan 12
Delta Logo
6:43 am - 12:50 pmSAN  San Diego-ASE Aspen Pitkin County
5h 07m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Tue, Jan 5 - Fri, Jan 15
United Airlines Logo
8:40 am - 2:50 pmSAN  San Diego-ASE Aspen Pitkin County
5h 10m1 stop Denver Intl
United Airlines Logo
5:00 pm - 8:42 pmASE  Aspen Pitkin County-SAN San Diego
4h 42m1 stop Denver Intl
$404United Airlines
Sun, Jan 3 - Wed, Jan 13
Delta Logo
6:43 am - 12:50 pmSAN  San Diego-ASE Aspen Pitkin County
5h 07m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Sun, Jan 3 - Fri, Jan 15
Delta Logo
6:43 am - 12:50 pmSAN  San Diego-ASE Aspen Pitkin County
5h 07m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Mon, Jan 4 - Fri, Jan 15
Delta Logo
6:25 am - 1:19 pmSAN  San Diego-ASE Aspen Pitkin County
5h 54m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Tue, Jan 5 - Tue, Jan 12
Delta Logo
6:25 am - 1:19 pmSAN  San Diego-ASE Aspen Pitkin County
5h 54m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Mon, Jan 4 - Wed, Jan 13
Delta Logo
6:25 am - 1:19 pmSAN  San Diego-ASE Aspen Pitkin County
5h 54m1 stop Los Angeles
Delta Logo
12:22 pm - 6:21 pmASE  Aspen Pitkin County-SAN San Diego
6h 59m1 stop Los Angeles
$404Delta
Booking Insights

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

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

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

Round-trip flights from San Diego to Aspen typically range from $370 to $525. The lowest price found in the past 5 days was $404, on United Airlines.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Diego to Aspen. It’s 18% cheaper than the average day, while Thursday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from San Diego to Aspen?

•March is the cheapest month to fly from San Diego to Aspen at $361 round-trip.
•October ($658) and December ($552) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Diego to Aspen flights

Low season

May

Cheapest flight

$227
Beat the crowds with an average 76% drop in travelers.
The most popular month to fly with an average 102% increase in travelers.
One-way flight from San Diego to Aspen

When to book flights from San Diego to Aspen

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

Your San Diego to Aspen flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

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

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

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

    There are currently no nonstop flights available from San Diego to Aspen. Flights with 1 layover take between 4h 28m and 5h 16m in total, depending on the connection.

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

    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 San Diego to Aspen flight?

    Round-trip flights from San Diego to Aspen range from $370 to $525, with an average of $438 over the past 12 months. Anything below $370 counts as a good deal.

  • Have flight prices from San Diego to Aspen 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 $404 to $1,695. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from San Diego to Aspen are currently higher than usual. Average one-way flight prices are about $272, which is 6% above the typical average for this route.

  • What car rental options are available at Aspen Pitkin County Airport (ASE)?

    Aspen Pitkin County Airport (ASE) hosts 5 major car rental companies, with daily rates averaging $97 for economy cars. Top options include:

    • Hertz
    • Budget
    • Sixt
    • Payless
    • Alamo

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

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

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

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

    • Denver Intl (DEN) - 72% of one-stop connections
    • Los Angeles (LAX) - 19% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 30% on flights from San Diego to Aspen. Wednesday is the cheapest departure day at $362 round-trip on average, while Thursday is the most expensive at $514, a difference of $152.

    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 San Diego to Aspen?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 28m, compared with 4h 49m via Los Angeles (LAX) and 5h 16m via Denver Intl (DEN).

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

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

Your guide to booking San Diego to Aspen flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $362, about $152 less than Thursday fares (30% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Diego to Aspen trip for March. Fares historically average $361 round-trip in that month - typically $297 less than the most expensive month, which is October (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Aspen Pitkin County Airport.

    • The Inn at Aspen

More options for your flight from San Diego to Aspen

Complete your trip to Aspen with a hotel stay or car rental

Car rentals in Aspen
Hotels in Aspen
Vacations in Aspen