249 € Cheap Flights from Aspen to San Diego

Compare Aspen to San Diego flight deals

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Flight deals from Aspen Airport to San Diego

Looking for a cheap last-minute deal or the best return flight from Aspen Airport to San Diego? If you want to travel next month, return fares start from 249 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Aspen to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Aspen to San Diego flights are currently cheapest in April.

Alternative Aspen to San Diego routes

Looking for the cheapest, fastest or easiest route from Aspen to San Diego? You could fly into the following airports instead.

Aspen to San Diego: Flight information

The things to know before you go.
Cheapest flight found249 €
Cheapest month to flyApril

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Aspen to San Diego is 249 €. 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 Aspen to San Diego. But we found flights with one or more stops from 249 €.
As of March 2026, there are no flights flying from Aspen to San Diego.
The cheapest month to fly from Aspen to San Diego is usually April.
If you're flying from Aspen Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 249 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Aspen Airport to San Diego on Wednesday, 15 April 2026.
No airlines currently offer direct flights between Aspen Airport and San Diego. 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 San Diego 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 14°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, United offers the cheapest flight tickets to San Diego.

Travelling from Aspen Airport (ASE) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is one hour behind Aspen, where Aspen Airport is located.

  • To avoid missing your ASE to San Diego flight, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • Delays at check-in and security are more likely if you're heading away during high season, so allow some extra breathing space. A good rule of thumb for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • The journey from central Aspen to ASE takes about 25 minutes on public transport. If you drive, ride-share or grab a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic.

  • In search of a hotel near ASE? If you're catching an early flight from Aspen Airport to San Diego, these accommodation options will put you moments from your departure gate:

  • Of all flights leaving Aspen Airport, 56.67% touch down on time at their destination.

  • ASE's address is 233 East Airport Road.

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

  • The lowest price we've seen for a one-way Aspen Airport to San Diego flight is 172 €. The cheapest price for a return flight is 249 €. Keep in mind fares can change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to pick up cheap flights from ASE to San Diego if you book early. Airlines often have some amazing early bird discounts.

  • Scoring cheap tickets from Aspen Airport to San Diego is more likely if you can be flexible with your dates. Try using the 'Whole month' tool to access the lowest prices across every month and walk away with an incredible deal.

  • Locking in a cheap flight from ASE to San Diego couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch when a better deal is available.

  • Choose your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Aspen Airport to San Diego by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Diego

San Diego International Airport (SAN)

  • The distance from San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It'll take you around 10 minutes to get to the centre driving.

  • If you're travelling by public transport, expect a journey time of around 20 minutes.

  • If you're coming in on a late flight from Aspen Airport to San Diego, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near SAN:

  • Pick up a San Diego International Airport rental car and discover San Diego and beyond with your own set of wheels. Thrifty, Dollar and Budget are top outlets to choose from here.

  • To lock in the lowest price, book your ride from San Diego International Airport about two weeks in advance of your flight from ASE to San Diego.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • After your flight from Aspen Airport to San Diego has hit the tarmac, you can get to the city centre in around 40 minutes by car. Central San Diego is roughly 56 kilometres from McClellan-Palomar Airport (CLD).

  • You can expect the trip to take about 2 hours 15 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel near CLD. Here are a few options where you can take a load off after your ASE to San Diego flight:

  • The fastest way to get to where you're going is with a McClellan-Palomar Airport rental car. Collect your wheels from Budget, Hertz or Avis and get going in the blink of an eye.

  • Get the vehicle you actually want, not just what's left over, by booking your ride from CLD in advance. You can also avoid paying extra, especially when demand is high.

Best time to go to San Diego

  • Visit San Diego in high season if you like a bustling atmosphere, but remember that prices are usually higher. Alternatively, book flights from Aspen Airport to San Diego in the low season when prices are cheaper and it's not as busy.

  • When booking your Aspen Airport to San Diego plane ticket, think about what kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 17ºC (63ºF) to 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Look for a cheap ticket from ASE to San Diego around that time if you'd rather travel in cooler conditions.

More about San Diego

Explore more of United States

  • You've seen San Diego, now it's time to discover other parts of United States. Journey around 177 kilometres north-west to Los Angeles to tick off its top sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a full itinerary ahead.

  • If you're interested in discovering another side of United States, consider Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among its highlights.

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