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Flights from San Francisco to Austin

San Francisco to Austin Flight Information

The approximate distance between San Francisco and Austin is 2,402.46 km. Average flight time from San Francisco to Austin is around 3 hours 38 minutes. According to Trip.com data, travel demand hits its peak in July. The cheapest month to book flights is November.

Cheapest one-way
US$77
Frontier Airlines Frontier Airlines SFO-AUS 5h 47m · 1 stop Wed, Oct 7
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Cheapest round-trip
US$147
Frontier Airlines Frontier Airlines SFO-AUS 7h 47m · 2 stops Thu, Sep 10 - Mon, Sep 14
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Recommended airlines
Frontier Airlines Frontier Airlines Cheapest · From US$77 Delta Air Lines Delta Air Lines Most booked
When to fly
May
Cheapest
July
Peak season
Route details
2,402.46 km
Flight distance
3h 38m
Average flight time

Search for direct flights from San Francisco to Austin in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$82, and round-trip direct flights start at US$174.

      • Cheapest nonstop
        SFO 09:42
        3h 47m
        Nonstop
        AUS 15:29
        San Francisco - Austin | Wed, Aug 19 | Delta Air Lines
        AUS 15:25
        3h 41m
        Nonstop
        SFO 17:06
        Austin - San Francisco | Tue, Aug 25 | Delta Air Lines
        US$174 US$194
        10% off
        10% off
        US$194 US$174
      • SFO 09:42
        7h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Thu, Sep 10 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Mon, Sep 14 | Frontier Airlines
        US$147 US$194
        24% off
        24% off
        US$194 US$147
      • SFO 06:00
        11h 30m
        1 stop
        AUS 19:30
        San Francisco - Austin | Thu, Aug 20 | Frontier Airlines
        AUS 20:15
        6h 3m
        1 stop
        SFO 00:18
        Austin - San Francisco | Wed, Aug 26 | Frontier Airlines
        US$156 US$194
        20% off
        20% off
        US$194 US$156
      • SFO 11:42
        5h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Wed, Sep 9 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Sat, Sep 12 | Frontier Airlines
        US$156
        20% off
        US$194 US$156
      • SFO 11:42
        5h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Sat, Sep 12 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Sat, Sep 19 | Frontier Airlines
        US$156
        20% off
        US$194 US$156
      • SFO 11:42
        5h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Sat, Sep 26 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Sat, Oct 3 | Frontier Airlines
        US$156
        20% off
        US$194 US$156
      • SFO 11:20
        22h 32m
        1 stop
        AUS 11:52
        San Francisco - Austin | Wed, Aug 26 | Frontier Airlines
        AUS 06:15
        7h 57m
        1 stop
        SFO 12:12
        Austin - San Francisco | Wed, Sep 2 | Frontier Airlines
        US$157
        19% off
        US$194 US$157
      • SFO 06:00
        11h 30m
        1 stop
        AUS 19:30
        San Francisco - Austin | Sat, Sep 5 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Wed, Sep 9 | Frontier Airlines
        US$157
        19% off
        US$194 US$157
      • SFO 06:00
        11h 30m
        1 stop
        AUS 19:30
        San Francisco - Austin | Wed, Sep 2 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Wed, Sep 9 | Frontier Airlines
        US$157
        19% off
        US$194 US$157
      • SFO 06:00
        12h 32m
        1 stop
        AUS 20:32
        San Francisco - Austin | Sat, Oct 10 | Frontier Airlines
        AUS 06:15
        7h 21m
        1 stop
        SFO 11:36
        Austin - San Francisco | Thu, Oct 15 | Frontier Airlines
        US$161
        17% off
        US$194 US$161
      • SFO 20:24
        16h 13m
        1 stop
        AUS 14:37
        San Francisco - Austin | Mon, Sep 14 | Frontier Airlines
        AUS 20:24
        5h 50m
        1 stop
        SFO 00:14
        Austin - San Francisco | Wed, Sep 16 | Frontier Airlines
        US$161
        17% off
        US$194 US$161
      • SFO 13:00
        17h 25m
        1 stop
        AUS 14:00
        San Francisco - Austin | Mon, Aug 17 | Normal Airline
        AUS 15:00
        6h
        Nonstop
        SFO 16:00
        Austin - San Francisco | Wed, Aug 19 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        SFO 17:59
        3h 36m
        Nonstop
        AUS 23:35
        San Francisco - Austin | Thu, Aug 20 | Delta Air Lines
        US$82 US$108
        24% off
        24% off
        US$108 US$82
      • SFO 09:53
        3h 40m
        Nonstop
        AUS 15:33
        San Francisco - Austin | Thu, Oct 8 | Delta Air Lines
        US$88 US$108
        19% off
        19% off
        US$108 US$88
      • SFO 17:59
        3h 36m
        Nonstop
        AUS 23:35
        San Francisco - Austin | Fri, Aug 21 | Delta Air Lines
        US$90 US$108
        17% off
        17% off
        US$108 US$90
      • SFO 09:42
        3h 47m
        Nonstop
        AUS 15:29
        San Francisco - Austin | Sat, Aug 22 | Delta Air Lines
        US$94
        13% off
        US$108 US$94
      • SFO 11:42
        5h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Wed, Oct 7 | Frontier Airlines
        US$77
        28% off
        US$108 US$77
      • SFO 09:42
        7h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Thu, Oct 1 | Frontier Airlines
        US$77
        28% off
        US$108 US$77
      • SFO 19:30
        26h 11m
        1 stop
        AUS 23:41
        San Francisco - Austin | Mon, Aug 31 | Frontier Airlines
        US$90
        17% off
        US$108 US$90
      • SFO 11:42
        5h 47m
        1 stop
        AUS 19:29
        San Francisco - Austin | Sat, Sep 19 | Frontier Airlines
        US$91
        16% off
        US$108 US$91
      • SFO 11:20
        25h 17m
        1 stop
        AUS 14:37
        San Francisco - Austin | Tue, Sep 8 | Frontier Airlines
        US$95
        12% off
        US$108 US$95
      • SFO 20:24
        16h 13m
        1 stop
        AUS 14:37
        San Francisco - Austin | Mon, Sep 14 | Frontier Airlines
        US$97
        10% off
        US$108 US$97
      • SFO 13:00
        17h 25m
        1 stop
        AUS 14:00
        San Francisco - Austin | Mon, Aug 17 | Normal Airline
        More cheap flights
        More cheap flights

Popular airlines flying from San Francisco to Austin

You can choose from 1 airlines that fly from San Francisco to Austin, including Delta Air Lines, Frontier Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from San Francisco to Austin according to previous 12 months data from Trip.com.

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

Which month has the cheapest one-way flights from San Francisco to Austin?

Average monthly one-way flight prices from San Francisco to Austin, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Austin is May, with an average price of US$168; while the month with the highest flight price is usually March, with an average price of up to US$290.

US$290
US$229
US$168
US$107
    Cheapest
  • US$177
    Aug
  • US$248
    Sep
  • US$240
    Oct
  • US$265
    Nov
  • US$173
    Dec
  • US$171
    Jan
  • US$180
    Feb
  • US$290
    Mar
  • US$188
    Apr
  • US$168
    May
  • US$279
    Jun
  • US$210
    Jul

Which month has the cheapest round-trip flights from San Francisco to Austin?

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

Based on data from Trip.com, the lowest prices for round-trip flights from San Francisco to Austin are found during December, with an average price of US$244. Conversely, the highest prices are found during May, with an average price of up to US$907.

US$907
US$576
US$244
0
    Cheapest
  • US$355
    Aug
  • US$250
    Sep
  • US$504
    Oct
  • US$335
    Nov
  • US$244
    Dec
  • US$524
    Jan
  • US$308
    Feb
  • US$602
    Mar
  • US$411
    Apr
  • US$907
    May
  • US$260
    Jun
  • US$363
    Jul

Frequently Asked Questions

  • What are the cheapest flights from San Francisco to Austin (SFO-AUS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$77 on Cheapest nonstop routes (e.g. SFO to AUS on Wed, Oct 7), while Frontier Airlines offers Cheapest nonstop round-trips from US$147 departing on Thu, Sep 10 and returning on Mon, Sep 14.
  • At the moment, you can catch a nonstop flight from San Francisco to Austin with the following airlines, including: 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 3 hours 38 minutes to fly from San Francisco to Austin.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Austin 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 48 flight per week flying from San Francisco to Austin. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL381 (10:07)
  • To find best deals on flights from San Francisco to Austin, 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 Wed, Oct 7, with one-way flights priced at just US$77.
    · 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 Austin travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Francisco to Austin is November, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from San Francisco to Austin on August 25, 2026 with Frontier Airlines, with prices starting at US$84.
  • You can land at any one of the following hubs in Austin, with San Francisco International Airport to Austin-Bergstrom International Airport (SFO-AUS) is by far the most common option on this route: Austin-Bergstrom International Airport (AUS).
  • The time difference between Austin and San Francisco is 2h.
  • Tickets can only be changed or canceled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Francisco to Austin is US$168. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Francisco to Austin is US$309. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Francisco and Austin, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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

Which airline offers the cheapest direct flights from San Francisco to Austin?

Data is based on the average price of all nonstop flights from San Francisco to Austin on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from San Francisco to Austin, with fares starting at US$161.

US$108
US$161
US$215
US$268
US$321
Frontier Airlines
US$161
Frontier Airlines
Hawaiian Airlines
US$167
Hawaiian Airlines
Alaska Airlines
US$212
Alaska Airlines
Delta Air Lines
US$221
Delta Air Lines
United Airlines
US$321
United Airlines

Which airline operates the most flights from San Francisco to Austin?

Total flights from San Francisco to Austin across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Virgin Australia/Air Canada/United Airlines operates the most frequent flights from San Francisco to Austin, with 34 flights per week.

6
15
25
34
Virgin Australia
34
Virgin Australia
Air Canada
34
Air Canada
United Airlines
34
United Airlines
Air New Zealand
22
Air New Zealand
Delta Air Lines
15
Delta Air Lines

How many flights fly from San Francisco to Austin daily?

The data is based on the flight numbers for each day of the week from San Francisco to Austin within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from San Francisco to Austin is the highest on Friday/Sunday and the lowest on Tuesday.

108
97
86
75
Highest
87
Mon
86
Tue
104
Wed
99
Thu
108
Fri
105
Sat
108
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest 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 clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date 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.