Cheap Flights from San Diego International to Aspen

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Travellers and cabin class, 1 Adult, Economy

Compare San Diego International to Aspen flight deals

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

Book the best Aspen fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from San Diego International to Aspen

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 $711. Find the lowest prices on one-way and return tickets right here.

Aspen.$675 per passenger.Departing Sun, 10 Jan, returning Wed, 13 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Sun, 10 Jan, arriving in Aspen.Inbound indirect flight with Delta, departs from Aspen on Wed, 13 Jan, arriving in San Diego International.Price includes taxes and charges.From $675, select.

Aspen.$681 per passenger.Departing Mon, 26 Oct, returning Tue, 3 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon, 26 Oct, arriving in Aspen.Inbound indirect flight with Delta, departs from Aspen on Tue, 3 Nov, arriving in San Diego International.Price includes taxes and charges.From $681, select.

Aspen.$711 per passenger.Departing Thu, 15 Oct, returning Thu, 22 Oct.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Thu, 15 Oct, arriving in Aspen.Inbound indirect flight with United, departs from Aspen on Thu, 22 Oct, arriving in San Diego International.Price includes taxes and charges.From $711, select.

Aspen.$749 per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Fri, 4 Dec, arriving in Aspen.Inbound indirect flight with United, departs from Aspen on Mon, 7 Dec, arriving in San Diego International.Price includes taxes and charges.From $749, select.

Aspen.$750 per passenger.Departing Wed, 3 Feb, returning Sat, 6 Feb.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Wed, 3 Feb, arriving in Aspen.Inbound indirect flight with United, departs from Aspen on Sat, 6 Feb, arriving in San Diego International.Price includes taxes and charges.From $750, select.

Aspen.$1,253 per passenger.Departing Thu, 26 Nov, returning Mon, 30 Nov.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Thu, 26 Nov, arriving in Aspen.Inbound indirect flight with United, departs from Aspen on Mon, 30 Nov, arriving in San Diego International.Price includes taxes and charges.From $1,253, select.

Aspen.$1,371 per passenger.Departing Mon, 28 Dec, returning Sun, 3 Jan.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Mon, 28 Dec, arriving in Aspen.Inbound indirect flight with United, departs from Aspen on Sun, 3 Jan, arriving in San Diego International.Price includes taxes and charges.From $1,371, select.

Find the cheapest month to fly from San Diego International to Aspen

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

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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 found	$675
Cheapest month to fly	January

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

How much are return flights from San Diego International to Aspen?

The best price we found for a return flight from San Diego International to Aspen is $675. 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.

Which airlines fly direct from San Diego International to Aspen?

Currently, there are no airlines that fly direct from San Diego International to Aspen. But we found flights with one or more stops from $675.

How many flights are there a week from San Diego International to Aspen?

As of September 2026, there are no flights flying from San Diego International to Aspen.

When is the cheapest time to fly from San Diego International to Aspen?

The cheapest month to fly from San Diego International to Aspen is usually January.

Which upcoming date is cheapest to fly from San Diego International Airport to Aspen Airport on?

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 Sunday, 10 January 2027.

Can I get a direct flight from San Diego International Airport to Aspen Airport?

No airlines currently offer direct flights between San Diego International Airport and Aspen Airport. Most routes have one or more stops.

How can I find the best flight deal to Aspen?

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.

When is the best time to book flights to Aspen?

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.

Which is the cheapest airline to fly from San Diego International Airport to Aspen with?

Currently, Delta offers the cheapest flight tickets to Aspen.

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

Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your SAN to ASE flight.
During popular months like August, it's best to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a high season in general.
If you'd like to break up your flight, just deselect 'Direct flights only' when searching for your ticket from San Diego International Airport to Aspen Airport. Here are the top stopovers between SAN and ASE:
- Denver International Airport
- Los Angeles International Airport
- San Francisco International Airport

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

$339 is currently the lowest price for a one-way San Diego International Airport to Aspen Airport flight. A return flight starts from $675. These fares can change based on demand.
To get your hands on cheap tickets from SAN to ASE, book in advance. Airlines tend to offer their best fares when flights are first made available.
The 'Whole month' tool shows you the cheapest flights from San Diego International Airport to Aspen Airport throughout the month. It's a great way to find a bargain if your plans aren't set in stone.
You won't have to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from SAN to ASE.
Discover the right flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from San Diego International Airport to Aspen Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about San Diego International Airport (SAN)

You'll find SAN at N Harbour Dr.
When it comes to the on-time performance of San Diego International Airport, data shows 74% of flights complete their journey on time.
To get to San Diego International Airport from central San Diego, it'll take around 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 5 kilometres from the airport to the city centre.
The journey when using public transport takes roughly 25 minutes.
Get your holiday off to a leisurely start by staying near SAN. Whether you're catching an early flight from San Diego International Airport to Aspen Airport or just don't like being rushed, these stays are the answer:

Arriving at Aspen Airport (ASE)

The last thing you want is a lengthy journey to your hotel if you're getting in late on a San Diego International Airport to Aspen Airport flight. Reserve one of these accommodation options near ASE instead:
Follow your own route with a Aspen Airport rental car. Book your wheels from Hertz, Sixt or Budget and venture far and wide through Aspen and beyond.
Booking your ride from Aspen Airport about four weeks ahead can help you get the best possible rate.

When to fly to Aspen Airport (ASE)

February is the most popular month for flights from San Diego International Airport to Aspen Airport. To steer clear of the crowds, visit Aspen in May.
When reserving your flight from San Diego International Airport to Aspen Airport, consider the type of weather you like. July is the warmest month in Aspen, with the temperature ranging from 4ºC to 26ºC.
If you want to travel in cooler conditions, look for a cheap ticket from SAN to ASE in January. Temperatures average between -20ºC and 0ºC then.

Explore more of the United States

Aspen has plenty to offer, but there are so many other parts of the United States just waiting to be discovered. Around 161 kilometres east of Aspen, a visit to Denver will fill your itinerary to the brim. Start with attractions like Denver Art Museum, Meow Wolf Denver's Convergence Station and Ballpark.
If you're interested in discovering another major stop in the United States, consider Albuquerque, about 451 kilometres south of Aspen. Balloon Fiesta Park, Anderson Abruzzo Albuquerque International Balloon Museum and Petroglyph National Monument are among its highlights.