C$311 Cheap Flights from San Diego International to Aspen

Compare San Diego International to Aspen flight deals

Find the cheapest month or even day of the year to fly to Aspen

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Flight deals from San Diego International Airport to Aspen Airport

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Aspen Airport? If you want to travel next month, return fares start from C$668. Find the lowest prices on one-way and return tickets right here.

San Diego International to Aspen: Alternative routes

Compare routes from San Diego International to Aspen below. You may find an airport to fly into that's cheaper, faster, or easier than Aspen.

San Diego to Aspen: Flight information

The things to know before you go.
Cheapest flight foundC$311
Cheapest month to flyFebruary

Finding cheap flights from San Diego International to Aspen: Frequently asked questions

The best price we found for a return flight from San Diego International to Aspen is C$316. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego International to Aspen. But we found flights with one or more stops from C$316.
As of January 2026, there are no flights flying from San Diego International to Aspen.
The cheapest month to fly from San Diego International to Aspen is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Aspen Airport on Saturday, February 28, 2026.
No airlines currently offer direct flights between San Diego International Airport and Aspen Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Aspen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Aspen is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Aspen.

Traveling from San Diego International Airport (SAN) to Aspen Airport (ASE): what you need to know

  • Delays at check-in and security are more likely if you're traveling during high season, so give yourself some extra breathing room. A good rule for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

  • If you'd like to have a stopover for your flight from San Diego International Airport to Aspen Airport, just uncheck 'Direct flights only' and explore your options. These are the popular stopovers between SAN and ASE:

    • San Francisco International Airport

    • Denver International Airport

    • Los Angeles International Airport

How to find the cheapest flights from San Diego International Airport (SAN) to Aspen Airport (ASE)

  • C$311 is the best price for a one-way ticket from San Diego International Airport to Aspen Airport. Return flights start at C$316. These prices can change based on demand.

  • Don't leave things to the last minute. You're more likely to get cheap flight tickets from SAN to ASE if you book early. Airlines often have some excellent early bird rates.

  • Getting cheap flight tickets from San Diego International Airport to Aspen Airport is easy if you're flexible with your dates. Use the 'Whole month' search function to see the best prices across the month and bag a great deal.

  • Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you from looking for cheap flight tickets from SAN to ASE every day.

  • Tailor your flights using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from San Diego International Airport to Aspen Airport.

Handy information about San Diego International Airport (SAN)

  • Located around 5 kilometres from central San Diego, San Diego International Airport can be reached in about 9 minutes by car, depending on traffic. The ride by public transport takes roughly 20 minutes.

  • Searching for a handy hotel close to SAN? If you're on an early flight from San Diego International Airport to Aspen Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Aspen Airport (ASE)

Getting from Aspen Airport (ASE) to central Aspen

  • Aspen Airport is approximately 6 kilometres from the center of Aspen. With a car rental or if you're catching a cab, the drive is about 10 minutes.

  • Traveling by public transport takes roughly 26 minutes.

When to fly to Aspen Airport (ASE)

  • It's time to plan your travel dates for your flight from San Diego International Airport to Aspen Airport. July is the busiest month to visit Aspen. If you like a more relaxed vibe, go in April.

  • Book your flight from San Diego International Airport to Aspen Airport for July if you want to explore Aspen during its warmest month. Expect temperatures of between 4ºC and 26ºC.

  • December sees average temperatures of between -19ºC and 1ºC. Look for cheap flight tickets from SAN to ASE sometime then if you like traveling in cooler conditions.

More about Aspen

  • If you're looking for somewhere to rest your head, you'll find the best stays in Aspen right here. Explore these options once you've locked in your flight from SAN to ASE:

  • Every great journey has to include some sightseeing. Aspen Mountain Ski Resort - Aspen Skiing Company, Aspen Art Museum and Wheeler Opera House are essential stops on your Aspen itinerary.

Complete your Aspen trip with hotels and a car rental

  • Comparing flights is not our only party trick. Once you've secured your cheap ticket to Aspen Airport, check out our great car rental offers that'll give you the freedom to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find your perfect Aspen stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.