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Cheap Flights from Austin to San Francisco

Popular airlines from Austin to San Francisco

You can choose from 2 airlines that fly from Austin to San Francisco, including United Airlines, Delta Air Lines, Delta Air Lines offers the lowest prices on this route.
United Airlines logo United Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Austin to San Francisco according to previous 12 months data from Trip.com.

Explore the cheapest flights from Austin to San Francisco in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 101, and round-trip direct tickets start at S$ 210.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Austin to San Francisco

The distance between Austin and San Francisco is approximately 2,402.46km. It takes around 4 hours 19 minutes on average to fly from Austin to San Francisco. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is December.

Cheapest one-way flight priceS$ 101
Cheapest return ticket priceS$ 210
Off-season for travelDecember
Peak season for travelJuly
Flight distance2,402.46km
Average flight time4 hours 19 minutes
Popular airlineUnited Airlines
Flight statistics for the Austin–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Austin to San Francisco.

What is the cheapest month for one-way flights from Austin to San Francisco?

The average price of one-way flights from Austin to San Francisco purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Austin to San Francisco is April, with an average price of S$ 218, and the most expensive month is March, with an average price of up to S$ 376.

S$ 376
S$ 297
S$ 218
S$ 139
    Cheapest
  • S$ 358
    Jun
  • S$ 336
    Jul
  • S$ 297
    Aug
  • S$ 252
    Sep
  • S$ 299
    Oct
  • S$ 332
    Nov
  • S$ 299
    Dec
  • S$ 245
    Jan
  • S$ 235
    Feb
  • S$ 376
    Mar
  • S$ 218
    Apr
  • S$ 261
    May

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Austin (AUS) to San Francisco (SFO)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as S$ 101 on Cheapest nonstop routes (e.g. AUS to SFO on Thu, Aug 13), while Delta Air Lines offers Cheapest nonstop round-trips from S$ 210 departing on Wed, Jul 15 and returning on Thu, Jul 23.
  • At the moment, you can catch a direct flight from Austin to San Francisco with the following airlines, including: United Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 4 hours 19 minutes to fly from Austin (AUS) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Austin to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 54 flight per week flying from Austin to San Francisco. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL381 (07:16)
  • To find best deals on flights from Austin to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Aug 13, with one-way flights priced at just S$ 101.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Austin to San Francisco is December, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Austin to San Francisco on June 27, 2026 with Delta Air Lines, with prices starting at S$ 105.
  • You can land at any one of the following hubs in San Francisco, with Austin-Bergstrom International Airport to San Francisco International Airport (AUS-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Austin is 2h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.