Cheap Flights from Aspen to San Francisco International

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Compare Aspen to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Aspen to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Aspen to San Francisco International? Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Aspen to San Francisco International

Aspen to San Francisco International: Alternative routes

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

Aspen to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 922
Cheapest month to flyJune
Average flight time2 hrs, 43 mins
Most popular airlineUnited
Average flights per week37

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

The best price we found for a return flight from Aspen to San Francisco International is ر.ق.‏ 974. 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.
2 hours and 43 minutes is the average flight time from Aspen to San Francisco International.
United, SkyWest Airlines and Air New Zealand fly direct from Aspen to San Francisco International.
As of May 2025, there are 37 flights per week flying from Aspen to San Francisco International.
The cheapest month to fly from Aspen to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Aspen Airport to San Francisco International Airport on Friday, 6 June 2025.
Yes – the average flight time is 2 hours and 43 minutes.
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 Francisco International 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 Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Francisco International.

Travelling from Aspen Airport (ASE) to San Francisco International Airport (SFO): what you need to know

  • The average length of a direct flight from Aspen Airport to San Francisco International Airport is 2 hours 35 minutes.

  • San Francisco's timezone is UTC-7, which makes San Francisco one hour behind Aspen.

  • Choose from 21 weekly Aspen Airport to San Francisco International Airport flights. The 07:25 departure with United Airlines is the earliest available. United Airlines operates the last service of the day at 19:10.

  • Your ASE to SFO flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Travelling during a peak time such as March? Public holidays and other popular periods can result in longer lines and delays at check-in and security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Getting to San Francisco (and then discovering more of United States!) is easy with United Airlines. This popular carrier offers direct flights from Aspen Airport to San Francisco International Airport.

  • The airline with the highest booking volume on this route is United Airlines.

  • The carrier with the top on-time arrival rate for ASE to SFO flights is United Airlines.

  • Consider adding a stopover when booking your ticket from Aspen Airport to San Francisco International Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here's where you can stop between ASE and SFO:

    • Los Angeles International Airport

    • Denver International Airport

    • Phoenix Sky Harbour International Airport

How to find the cheapest flights from Aspen Airport (ASE) to San Francisco International Airport (SFO)

  • ر.ق.‏ 922 is the best price for a one-way Aspen Airport to San Francisco International Airport flight. A return flight starts from ر.ق.‏ 974. These prices may change based on availability.

  • Score cheap tickets from ASE to SFO by booking seven months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for flights from Aspen Airport to San Francisco International Airport is June. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Save time searching for cheap flights from ASE to SFO by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

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

Handy information about Aspen Airport (ASE)

  • ASE is located at 233 East Airport Road.

  • When it comes to Aspen Airport's on-time performance, 56.67% of flights stick to their scheduled arrival time.

  • Aspen Airport is around 6 kilometres from central Aspen. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic.

  • Expect a journey time of around 25 minutes when using public transport.

  • Get your trip off to a stress-free start by staying near ASE. Whether you've booked an early flight from Aspen Airport to San Francisco International Airport or just don't like being rushed, these stays have you covered:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to get to the centre driving.

  • Travelling on public transport will take you roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • The quietest month for a flight from Aspen Airport to San Francisco International Airport is February, while August is the most popular. Choose the best time to go to San Francisco based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from Aspen Airport to San Francisco International Airport, think about the kind of weather you enjoy. September is the warmest month in San Francisco, with temperatures ranging from 12ºC to 22ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from ASE to SFO in January. Average temperatures are between 6ºC and 16ºC then.

Explore more of United States

  • You've visited San Francisco, now it's time to discover other corners of United States. Journey about 64 kilometres south-east to San Jose to tick off its leading attractions. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, there's plenty to keep you on the go.

  • If there's time to check out another corner of United States, consider Fresno, about 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden are among its highlights.

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