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Aspen

$180+ Cheap flights from San Diego to Aspen (SAN - ASE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ASE
Apr 4 — Apr 111
Sat 4/4
Sat 4/11
1 adult, Economy
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Cheap flight deals from San Diego to Aspen

Cheapest flights from San Diego to Aspen
Explore the most affordable flight options available from San Diego to Aspen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.

This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:01 am
SAN
-
ASE
1 stop4h 04m
United Airlines
Tue 4/75:16 pm
ASE
-
SAN
1 stop5h 14m
United Airlines
Deal found 3/3$269
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:24 am
SAN
-
ASE
1 stop4h 25m
American Airlines
Mon 3/2310:24 am
ASE
-
SAN
1 stop6h 36m
American Airlines
Deal found 3/1$270
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
SAN
-
ASE
1 stop7h 12m
United Airlines
Mon 3/235:16 pm
ASE
-
SAN
1 stop4h 47m
United Airlines
Deal found 3/4$289
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
SAN
-
ASE
1 stop7h 12m
United Airlines
Sun 3/226:39 pm
ASE
-
SAN
1 stop6h 01m
United Airlines
Deal found 3/1$290
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:03 am
SAN
-
ASE
1 stop4h 14m
United Airlines
Mon 3/163:25 pm
ASE
-
SAN
1 stop5h 23m
United Airlines
Deal found 3/1$304
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:24 am
SAN
-
ASE
1 stop4h 25m
American Airlines
Mon 3/1610:24 am
ASE
-
SAN
1 stop6h 36m
American Airlines
Deal found 3/2$324
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2711:03 am
SAN
-
ASE
1 stop4h 14m
United Airlines
Tue 3/311:40 pm
ASE
-
SAN
1 stop5h 58m
United Airlines
Deal found 3/3$333
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2711:03 am
SAN
-
ASE
1 stop4h 14m
United Airlines
Fri 4/35:16 pm
ASE
-
SAN
2 stops7h 43m
United Airlines
Deal found 3/3$338
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:15 am
SAN
-
ASE
1 stop7h 12m
United Airlines
Tue 3/311:40 pm
ASE
-
SAN
1 stop5h 58m
United Airlines
Deal found 3/3$339

Find flight deals from San Diego to Aspen

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Aspen (ASE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$180
(United Airlines)

Popular in

May

Cheapest in

June

Average price

$440
Provider with most accurate pricing for San Diego-Aspen Pitkin County flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Aspen Pitkin County flights.
Search Deals
From San Diego to Aspen Pitkin County
Search Deals
One-way flight from San Diego to Aspen Pitkin County
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Aspen 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, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2026.
Use the filters below to find and compare flights from San Diego to Aspen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 3/19

6:15 am-2:27 pm

1 stop7h 12m

Aspen Pitkin County

Mon 3/23

5:16 pm-9:03 pm

1 stop4h 47m

$289
Quickest round-trip

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 4/14

11:00 am-4:35 pm

1 stop4h 35m

Aspen Pitkin County

Sat 4/18

12:14 pm-5:16 pm

1 stop6h 02m

$339

San DiegoAspen

SAN - ASE

SANASE

San Diego

Tue 3/31

6:20 am-12:56 pm

1 stop5h 36m

Aspen Pitkin County

Tue 4/7

12:20 pm-6:22 pm

1 stop7h 02m

$344

San DiegoAspen

SAN - ASE

SANASE

San Diego

Wed 3/18

11:03 am-4:17 pm

1 stop4h 14m

Aspen Pitkin County

Mon 3/23

11:15 am-7:48 pm

2 stops9h 33m

$345

San DiegoAspen

SAN - ASE

SANASE

San Diego

Thu 4/16

11:01 am-9:48 pm

2 stops9h 47m

Aspen Pitkin County

Mon 4/20

11:15 am-8:12 pm

2 stops9h 57m

$349
Cheapest one-way
Quickest one-way

San DiegoAspen

SAN - ASE

SANASE

San Diego

Fri 8/7

10:55 am-5:26 pm

1 stop5h 31m

$180

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 3/30

6:20 am-12:56 pm

1 stop5h 36m

$190

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 3/30

11:01 am-10:29 pm

2 stops10h 28m

$230

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 3/23

11:03 am-10:15 pm

2 stops10h 12m

$240

San DiegoAspen

SAN - ASE

SANASE

San Diego

Mon 3/30

3:18 pm-1:08 pm

3 stops20h 50m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Sorted by cheapest first

Compare providers for flights from San Diego to Aspen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Aspen in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Aspen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Aspen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Aspen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Aspen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Aspen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Aspen

Have a flexible travel schedule? Discover the best time to fly to Aspen from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from San Diego to Aspen?

Currently, August is the cheapest month in which you can book a flight from San Diego to Aspen (average of $76). Flying from San Diego to Aspen in June is currently the most expensive (average of $258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Aspen

Get insights into the airlines that provide service to Aspen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Aspen. Reviews last updated March 5, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from San Diego to Aspen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,248 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Delta
7.9
Good
8,248 reviews
Delta
7.9
Good
8,248 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
United Airlines
7.4
Good
9,389 reviews
Delta
7.9
Good
8,248 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

Find useful and relevant information for your journey from San Diego to Aspen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $289, United Airlines can have you in Aspen from San Diego in 7h 12m. San Diego and Aspen are separated by a distance of 730 mi.

  • What are the cheapest airlines flying from San Diego to Aspen round-trip?

    Our cheapest airline available from San Diego to Aspen is Delta. Our recent data shows that you can find tickets from as low as $215 on this airline. An additional option worth looking into is United Airlines, starting at $228. Delta is priced at 53% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San Diego to Aspen that include hotel bookings?

    Yes. In addition to deals on San Diego to Aspen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Aspen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Aspen.

  • Can I find deals for business class flights from San Diego to Aspen?

    Yes. Cheapflights offers flight deals from San Diego to Aspen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from San Diego to Aspen (average of $76). Flying from San Diego to Aspen in June is currently the most expensive (average of $258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Aspen?

Book flights to Aspen if you plan to visit one of these locations
Snowmass Village
Buena Vista
Snowmass

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Top 2 airlines flying from San Diego to Aspen

Discover the top 2 airlines that operate flights from San Diego to Aspen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$215Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$429FlexibilityNo cancel feeOn-time69%

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