Cheap flights from San Francisco to Aspen from $273

The month of March is, on average, the cheapest month to fly to Aspen from San Francisco, with most prices found around $439. If you aren’t able to travel to Aspen during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $504.

The cheapest day to depart from San Francisco to Aspen is on a Saturday when prices can be found for as low as $439. The most expensive day to fly to Aspen is Sunday, with ticket prices averaging around $737.

In the morning is the cheapest time of day to fly from San Francisco to Aspen when you can find flight prices for as low as $509. Flying to Aspen in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $640. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Francisco to Aspen Pitkin County for the best San Francisco - Aspen Pitkin County flight prices

You are more likely to see cheaper flights to Aspen from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Aspen for around $573 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Aspen from San Francisco for as low as $359 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Aspen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Alaska Airlines, and American Airlines are the most popular carriers operating from San Francisco to Aspen Pitkin County

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Aspen from San Francisco according to our data. United Airlines is the first choice among our users, with 84% of people opting to fly with this airline when traveling to Aspen. Keep in mind that there are 3 different airlines that fly to Aspen on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 2 flights per day flying from San Francisco to Aspen. The most common time of day flights depart is 4:00PM, with 100% of flights taking off in the afternoon.

14 flights are operational weekly from San Francisco to Aspen as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.