$263+ Cheap flights from Aspen to San Francisco (ASE - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ASE — SFO
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Find cheap flights from Aspen to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Aspen to San Francisco
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Best
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Cheapest flights from Aspen to San FranciscoExplore the most affordable flight options available from Aspen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
Explore the most affordable flight options available from Aspen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:40 am -
Nonstop2h 45m
Sun 10/184:35 pm -
Nonstop2h 32m
Deal found 9/30![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:40 am -
Nonstop2h 45m
Sat 10/1712:35 pm -
1 stop4h 53m
Deal found 9/30![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:02 pm -
1 stop4h 52m
Thu 10/152:40 pm -
1 stop4h 34m
Deal found 10/2![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:35 pm -
Nonstop2h 54m
Sun 12/275:00 am -
1 stop4h 57m
Deal found 9/28![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:40 am -
Nonstop2h 45m
Sat 10/174:35 pm -
Nonstop2h 32m
Deal found 9/30![United Airlines logo]()
$634
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:09 pm -
1 stop6h 00m
Mon 11/26:16 am -
1 stop7h 21m
Deal found 9/29![United Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:40 am -
Nonstop2h 45m
Sun 10/116:00 am -
1 stop6h 31m
Deal found 9/30![United Airlines logo]()
$649
Best flights from Aspen to San FranciscoDiscover carefully curated flight deals from Aspen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
Discover carefully curated flight deals from Aspen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am -
Nonstop2h 45m
Sun 10/184:35 pm -
Nonstop2h 32m
Deal found 9/29![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:40 am -
Nonstop2h 45m
Sun 10/184:35 pm -
Nonstop2h 32m
Deal found 9/30![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:30 pm -
1 stop4h 54m
Mon 11/96:16 am -
1 stop5h 32m
Deal found 10/2![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:09 pm -
1 stop6h 00m
Mon 11/167:00 am -
1 stop5h 36m
Deal found 9/29![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:05 pm -
1 stop5h 46m
Sun 10/186:15 am -
1 stop5h 19m
Deal found 9/30![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:11 pm -
Nonstop2h 54m
Sun 12/277:20 am -
Nonstop2h 37m
Deal found 9/28![United Airlines logo]()
$629
Last-minute flights from Aspen to San FranciscoDiscover last-minute flight deals from Aspen to San Francisco. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Aspen to San Francisco. Data last updated October 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:02 pm -
1 stop4h 52m
Thu 10/152:40 pm -
1 stop4h 34m
Deal found 10/2![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:40 am -
Nonstop2h 45m
Thu 10/154:35 pm -
Nonstop2h 32m
Deal found 10/2![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 am -
1 stop7h 00m
Sun 10/115:00 am -
1 stop4h 36m
Deal found 10/2![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:40 am -
Nonstop2h 45m
Sun 10/114:35 pm -
Nonstop2h 32m
Deal found 9/30![United Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:48 pm -
1 stop10h 08m
Sun 10/117:15 am -
2 stops12h 06m
Deal found 9/30![American Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:40 am -
Nonstop2h 45m
Sat 10/174:35 pm -
Nonstop2h 32m
Deal found 9/30![United Airlines logo]()
$634
One-way flights from Aspen to San FranciscoSearch for one-way flight options from Aspen to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way flight options from Aspen to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:04 pm -
1 stop9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2412:00 pm -
1 stop26h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$273
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:21 pm -
1 stop10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2312:00 pm -
1 stop21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:30 am -
2 stops12h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:23 am -
2 stops11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/231:40 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:45 am -
2 stops13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/314:44 pm -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 am -
2 stops13h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![American Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/237:34 pm -
2 stops25h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Alaska Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:40 am -
Nonstop2h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$449
Find flight deals from Aspen to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Aspen (ASE) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 3, 2026.
Round-trip from | $529 (United Airlines) |
|---|---|
One-way from | $263 (Delta) |
Popular in | August |
Cheapest in | March |
Average price | $529 |
Good round-trip deal | $579 or less |
Good one-way deal | $310 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Aspen to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 3, 2026.
Use the filters below to find and compare flights from Aspen to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Thu 11/5
12:04 pm-8:32 pm
1 stop9h 28m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$263
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Tue 2/23
12:00 pm-8:25 am
1 stop21h 25m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$293
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Tue 10/27
7:30 am-7:03 pm
2 stops12h 33m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$352
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Tue 2/23
1:40 pm-3:35 pm
Nonstop2h 55m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Mon 1/25
7:35 pm-9:32 pm
Nonstop2h 57m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Wed 2/24
1:40 pm-3:35 pm
Nonstop2h 55m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
Quickest round-trip
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Mon 12/14
7:38 am-9:30 am
Nonstop2h 52m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Mon 2/1
7:35 pm-9:32 pm
Nonstop2h 57m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Sun 1/31
4:44 pm-11:47 pm
1 stop8h 03m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$389
AspenSan Francisco
ASE Aspen Pitkin County - SFO San Francisco
ASESFO
Aspen Pitkin County
Sun 12/20
7:37 am-3:10 pm
1 stop8h 33m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$389
Showing 1-10 of 16 resultsSorted by cheapest first
Best time to book a flight from Aspen to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Aspen with our price prediction graph.
ASE-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Aspen to San Francisco
Prices
Airlines
What is the cheapest month to book a flight from Aspen to San Francisco?
Currently, March is the cheapest month in which you can book a flight from Aspen to San Francisco (average of $374). Flying from Aspen to San Francisco in August is currently the most expensive (average of $714). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ASE to SFO?
Find hourly flight availability from Aspen to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 3, 2026.
A simple way to save on the total cost of your ticket is to fly from Aspen to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 69% on your trip compared to booking a flight in the afternoon.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated October 3, 2026.
Read through reviews of airlines operating flights from Aspen to San Francisco, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Related info for your journey
Find useful and relevant information for your journey from Aspen to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
Hayward
Burlingame
Rancho Cordova
San Bruno
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
Turlock
Davis
Browse thousands of different options on Cheapflights for your next trip
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Aspen and San Francisco flights
Browse other Aspen and San Francisco flight options. Last updated on October 3, 2026.
Other flights from Aspen
Browse through other flights departing from Aspen. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
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Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
Top airline flying from Aspen to San Francisco
Discover the top airline that operate flights from Aspen to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$299 | Average$479 | FlexibilityNo cancel fee | On-time69% |