SAN - ASE

$170 Find Cheap Flights from San Diego to Aspen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Diego to Aspen departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Aspen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Aspen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Diego to Aspen, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$329
Overall average: $398
Delta
Fri 4/3Tue 4/7
SAN - ASE • 1 stop
Cheapest one-way
$170
Typical prices: $299-$410
United Airlines
Tue 7/7
SAN - ASE • 1 stop
Top airlines
Cheapest • from $329 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between San Diego and Aspen. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $443 (round-trip)
Shortest trip • 4h 39m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Aspen!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Diego to Aspen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Aspen

Fri, Apr 3 - Tue, Apr 7
Delta Logo
6:20 am - 12:56 pm
SAN
-
ASE
5h 36m
1 stop
Delta Logo
12:20 pm - 6:22 pm
ASE
-
SAN
7h 02m
1 stop
$329Delta
Wed, Jul 8 - Wed, Jul 15
United Airlines Logo
4:07 pm - 9:26 pm
SAN
-
ASE
4h 19m
1 stop
United Airlines Logo
5:10 pm - 11:54 pm
ASE
-
SAN
7h 44m
2 stops
$334United Airlines
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
11:00 am - 5:30 pm
SAN
-
ASE
5h 30m
1 stop
United Airlines Logo
5:16 pm - 9:30 pm
ASE
-
SAN
5h 14m
1 stop
$336United Airlines
Fri, May 22 - Mon, May 25
United Airlines Logo
6:35 am - 2:44 pm
SAN
-
ASE
7h 09m
1 stop
United Airlines Logo
6:12 pm - 10:25 pm
ASE
-
SAN
5h 13m
1 stop
$339United Airlines
Tue, Aug 4 - Wed, Aug 5
United Airlines Logo
4:07 pm - 9:26 pm
SAN
-
ASE
4h 19m
1 stop
United Airlines Logo
5:10 pm - 11:54 pm
ASE
-
SAN
7h 44m
2 stops
$344United Airlines
Thu, Apr 2 - Mon, Apr 6
American Airlines Logo
12:45 pm - 8:54 pm
SAN
-
ASE
7h 09m
1 stop
American Airlines Logo
10:24 am - 4:00 pm
ASE
-
SAN
6h 36m
1 stop
$349American Airlines
Fri, Apr 3 - Mon, Apr 6
American Airlines Logo
9:53 am - 8:54 pm
SAN
-
ASE
10h 01m
2 stops
American Airlines Logo
10:24 am - 4:00 pm
ASE
-
SAN
6h 36m
1 stop
$354American Airlines
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
11:01 am - 4:05 pm
SAN
-
ASE
4h 04m
1 stop
United Airlines Logo
1:25 pm - 8:12 pm
ASE
-
SAN
7h 47m
2 stops
$369United Airlines
Fri, Jun 26 - Tue, Jun 30
Delta Logo
3:00 pm - 8:23 pm
SAN
-
ASE
4h 23m
1 stop
Delta Logo
12:03 pm - 3:11 pm
ASE
-
SAN
4h 08m
1 stop
$374Delta
Mon, Jun 1 - Thu, Jun 4
United Airlines Logo
4:01 pm - 9:26 pm
SAN
-
ASE
4h 25m
1 stop
United Airlines Logo
1:22 pm - 7:51 pm
ASE
-
SAN
7h 29m
2 stops
$375United Airlines
Booking Insights

KAYAK's insights & trends for San Diego to Aspen flights

Get data-powered insights and trends into flights from San Diego to Aspen to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Diego to Aspen, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Diego to Aspen is August, where tickets cost $389 (return) on average. On the other hand, the most expensive months are May and July, where the average cost of round-trip tickets is $594 and $570 respectively.

Good to know

Low seasonMay
Cheapest flight$170
Best time to beat the crowds but there is an average 28% increase in price.
Most popular time to fly and prices are also 12% lower on average.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Diego to Aspen

  • What is the cheapest flight from San Diego to Aspen?

    In the last 3 days, the lowest price for a flight from San Diego to Aspen was $170 for a one-way ticket and $329 for a round-trip.

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

    No, a passport isn't needed to fly from San Diego to Aspen. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from San Diego to Aspen?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Diego to Aspen?

    SkyTeam, and Star Alliance are the airline alliances operating flights between San Diego and Aspen, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from San Diego to Aspen, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from San Diego to Aspen are Delta and United Airlines. With an average price for the route of $328 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $431 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from San Diego to Aspen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Diego to Aspen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Diego to Aspen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Aspen from San Diego is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Diego to Aspen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Aspen with an airline and back to San Diego with another airline. Booking your flights between San Diego and ASE can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Diego to Aspen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Aspen from San Diego up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from San Diego to Aspen

 
See real verified KAYAK customer reviews for airlines flying from San Diego to Aspen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Diego to Aspen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8319 reviews
7.9Comfort
8.1Boarding
7.8Entertainment
7.2Food
8.5Crew
Airline reviews

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

10.0 ExcellentShirley, Mar 2026
LAX - ATL
Read more Delta reviews

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

My flight was canceled on Sunday. Rebooking took three hours. Had to pay for accommodations another night. New flight was delayed for 5 hours, all that was sent was a 12 dollar food voucher, which doesn’t tell you how to use it. Then when we landed we had to sit on the plane for an hour before we could get off.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Awesome! On time flight, early arrival, and a complimentary upgrade!

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

It’s always a great time flying with united airlines.

Complimentary light meal would be appreciated. But great flight crew service on all legs

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

The food was terrible this time. Otherwise pleasant, quiet, on-time.

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Everything you need to know for your flight from San Diego to Aspen

Information on your arrival and departure airports