$195+ Cheap flights from San Diego to Aspen (SAN - ASE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ASE
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Aspen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Aspen
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Best
Last-minute
One-way
Cheapest flights from San Diego to AspenExplore 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 September 18, 2026.
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 September 18, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:00 pm -
1 stop4h 14m
Tue 2/912:00 pm -
1 stop4h 20m
Deal found 9/16![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/157:00 am -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 04m
Deal found 9/14![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/3011:25 am -
1 stop5h 14m
Mon 1/46:23 pm -
1 stop5h 09m
Deal found 9/14![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/36:45 am -
1 stop5h 03m
Wed 11/42:17 pm -
1 stop7h 07m
Deal found 9/16![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/206:30 am -
1 stop5h 04m
Thu 9/246:05 pm -
1 stop5h 22m
Deal found 9/14![United Airlines logo]()
$489
Best flights from San Diego to AspenDiscover carefully curated flight deals from San Diego to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from San Diego to Aspen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/157:00 am -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 04m
Deal found 9/14![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/13. 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 2/274:10 pm -
1 stop4h 06m
Tue 3/27:30 pm -
1 stop5h 59m
Deal found 9/13![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 1/2711:20 am -
1 stop6h 21m
Sun 1/316:31 pm -
1 stop4h 57m
Deal found 9/15![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/36:45 am -
1 stop5h 03m
Wed 11/42:17 pm -
1 stop7h 07m
Deal found 9/15![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/16:45 am -
1 stop6h 52m
Tue 2/911:30 am -
2 stops6h 57m
Deal found 9/16![United Airlines logo]()
$474
Last-minute flights from San Diego to AspenDiscover last-minute flight deals from San Diego to Aspen. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Aspen. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/182:24 pm -
1 stop5h 02m
Mon 9/213:20 pm -
1 stop6h 14m
Deal found 9/14![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/206:30 am -
1 stop5h 04m
Thu 9/246:05 pm -
1 stop5h 22m
Deal found 9/14![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/212:40 pm -
1 stop6h 27m
Tue 10/69:15 am -
1 stop4h 40m
Deal found 9/16![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/49:50 am -
1 stop9h 23m
Tue 2/912:14 pm -
1 stop4h 30m
Deal found 9/15![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/47:00 am -
1 stop4h 34m
Tue 2/93:00 pm -
2 stops10h 29m
Deal found 9/15![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/82:24 pm -
2 stops6h 27m
Mon 10/128:00 am -
1 stop4h 35m
Deal found 9/14![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/157:00 am -
1 stop6h 38m
Thu 10/229:40 am -
1 stop5h 04m
Deal found 9/14![United Airlines logo]()
$409
One-way flights from San Diego to AspenSearch for one-way flight options from San Diego to Aspen. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from San Diego to Aspen. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 1/318:50 am -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/1511:19 am -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![United Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/296:20 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$235
This deal was found by Cheapflights users on 9/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 am -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/21:24 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/2512:24 pm -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$320
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (Delta) |
One-way from | $195 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $525 |
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 7,457,451 searches. Data last updated September 18, 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
Cheapest round-trip
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Sun 1/31
6:30 am-4:27 pm
2 stops8h 57m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Thu 10/15
11:19 am-8:07 pm
1 stop7h 48m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
Quickest round-trip
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Tue 12/29
6:20 am-11:53 am
1 stop4h 33m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$235
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Mon 9/28
11:00 am-6:28 pm
1 stop6h 28m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$280
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Fri 10/2
1:24 pm-8:07 pm
1 stop5h 43m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$281
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Sat 11/28
6:15 am-1:12 pm
1 stop5h 57m
Aspen Pitkin County
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$391
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Thu 10/15
7:00 am-2:38 pm
1 stop6h 38m
Aspen Pitkin County
Thu 10/22
9:40 am-1:44 pm
1 stop5h 04m
$409
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Sat 2/27
4:10 pm-9:16 pm
1 stop4h 06m
Aspen Pitkin County
Tue 3/2
7:30 pm-12:29 am
1 stop5h 59m
$409
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Wed 1/27
11:20 am-6:41 pm
1 stop6h 21m
Aspen Pitkin County
Sun 1/31
6:31 pm-10:28 pm
1 stop4h 57m
$429
San DiegoAspen
SAN San Diego - ASE Aspen Pitkin County
SANASE
San Diego
Tue 11/3
6:45 am-12:48 pm
1 stop5h 03m
Aspen Pitkin County
Wed 11/4
2:17 pm-8:24 pm
1 stop7h 07m
$469
Showing 1-10 of 11 resultsSorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SAN-ASE
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, November is the cheapest month in which you can book a flight from San Diego to Aspen (average of $358). Flying from San Diego to Aspen in December is currently the most expensive (average of $562). 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.
How much does it cost to fly round-trip from San Diego to Aspen?
Airfare is below average for this route at the moment.
San Diego to Aspen flights typically cost between $400 and $734 in January.The cheapest round-trip price found within the last 5 days was $389 on Delta (Jan 17-Jan 22).
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 September 18, 2026.
Get a feel of what it's like to fly with 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.
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.7
Overall
7.4
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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.
Traveling to a place near Aspen?
Book flights to Aspen if you plan to visit one of these locationsSnowmass Village
Leadville
Snowmass
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Other flights to Aspen
Explore flights to Aspen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Complete your trip
Complete your trip to Aspen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Aspen by cabin class
Find flights from San Diego to Aspen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Aspen flights
Browse other San Diego and Aspen flight options. Last updated on September 18, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San Diego to Aspen
Discover the top airline 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$454 | FlexibilityNo cancel fee | On-time69% |