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Flights from San Francisco to Austin

Flight Info | San Francisco to Austin

The distance between San Francisco and Austin is approximately 2,402.46 km. It takes around 3 hours 41 minutes on average to fly from San Francisco to Austin. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is November.

Cheapest one-way
$82
Delta Air Lines Delta Air Lines SFO-AUS 3h 36m · Nonstop Thu, Aug 20
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Cheapest round-trip
$156
Frontier Airlines Frontier Airlines SFO-AUS 11h 30m · 2 stops Fri, Aug 21 - Thu, Aug 27
Select flight
Recommended airlines
Delta Air Lines Delta Air Lines Cheapest · From $82 United Airlines United Airlines Most booked
When to travel
May
Cheapest
July
Peak season for travel
Route details
2,402.46 km
Flight distance
3h 41m
Average flight time

Book direct flights from San Francisco to Austin: One way flights from $82, round trip flights from $174. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SFO 9:42 AM
        3h 47m
        Nonstop
        AUS 3:29 PM
        San Francisco - Austin | Thu, Aug 20 | Delta Air Lines
        AUS 3:25 PM
        3h 41m
        Nonstop
        SFO 5:06 PM
        Austin - San Francisco | Wed, Aug 26 | Delta Air Lines
        $174 $188
        7% off
        7% off
        $188 $174
      • SFO 6:00 AM
        11h 30m
        1 stop
        AUS 7:30 PM
        San Francisco - Austin | Fri, Aug 21 | Frontier Airlines
        AUS 8:15 PM
        6h 3m
        1 stop
        SFO 12:18 AM
        Austin - San Francisco | Thu, Aug 27 | Frontier Airlines
        $156 $188
        17% off
        17% off
        $188 $156
      • SFO 11:20 AM
        22h 32m
        1 stop
        AUS 11:52 AM
        San Francisco - Austin | Thu, Aug 27 | Frontier Airlines
        AUS 6:15 AM
        7h 57m
        1 stop
        SFO 12:12 PM
        Austin - San Francisco | Thu, Sep 3 | Frontier Airlines
        $157 $188
        16% off
        16% off
        $188 $157
      • SFO 6:00 AM
        11h 30m
        1 stop
        AUS 7:30 PM
        San Francisco - Austin | Thu, Sep 3 | Frontier Airlines
        AUS 8:24 PM
        5h 50m
        1 stop
        SFO 12:14 AM
        Austin - San Francisco | Thu, Sep 10 | Frontier Airlines
        $157
        16% off
        $188 $157
      • SFO 6:00 AM
        11h 30m
        1 stop
        AUS 7:30 PM
        San Francisco - Austin | Sun, Sep 6 | Frontier Airlines
        AUS 8:24 PM
        5h 50m
        1 stop
        SFO 12:14 AM
        Austin - San Francisco | Thu, Sep 10 | Frontier Airlines
        $157
        16% off
        $188 $157
      • SFO 5:35 PM
        23h 55m
        1 stop
        AUS 7:30 PM
        San Francisco - Austin | Wed, Sep 2 | Frontier Airlines
        AUS 8:24 PM
        5h 50m
        1 stop
        SFO 12:14 AM
        Austin - San Francisco | Thu, Sep 10 | Frontier Airlines
        $157
        16% off
        $188 $157
      • SFO 7:30 PM
        26h 11m
        1 stop
        AUS 11:41 PM
        San Francisco - Austin | Tue, Sep 1 | Frontier Airlines
        AUS 8:15 PM
        16h 32m
        1 stop
        SFO 10:47 AM
        Austin - San Francisco | Wed, Sep 9 | Frontier Airlines
        $163
        13% off
        $188 $163
      • SFO 3:38 PM
        18h 14m
        1 stop
        AUS 11:52 AM
        San Francisco - Austin | Fri, Aug 28 | Frontier Airlines
        AUS 8:15 PM
        6h 3m
        1 stop
        SFO 12:18 AM
        Austin - San Francisco | Tue, Sep 1 | Frontier Airlines
        $176
        6% off
        $188 $176
      • SFO 6:00 AM
        11h 30m
        1 stop
        AUS 7:30 PM
        San Francisco - Austin | Sun, Aug 30 | Frontier Airlines
        AUS 8:15 PM
        6h 3m
        1 stop
        SFO 12:18 AM
        Austin - San Francisco | Tue, Sep 1 | Frontier Airlines
        $176
        6% off
        $188 $176
      • SFO 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        San Francisco - Austin | Thu, Aug 13 | Normal Airline
        AUS 3:00 PM
        6h
        Nonstop
        SFO 4:00 PM
        Austin - San Francisco | Sat, Aug 15 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        SFO 5:59 PM
        3h 36m
        Nonstop
        AUS 11:35 PM
        San Francisco - Austin | Thu, Aug 20 | Delta Air Lines
        $82 $111
        26% off
        26% off
        $111 $82
      • SFO 9:53 AM
        3h 40m
        Nonstop
        AUS 3:33 PM
        San Francisco - Austin | Thu, Oct 8 | Delta Air Lines
        $88 $111
        21% off
        21% off
        $111 $88
      • SFO 5:59 PM
        3h 36m
        Nonstop
        AUS 11:35 PM
        San Francisco - Austin | Fri, Aug 21 | Delta Air Lines
        $90 $111
        19% off
        19% off
        $111 $90
      • SFO 9:42 AM
        3h 47m
        Nonstop
        AUS 3:29 PM
        San Francisco - Austin | Sat, Aug 22 | Delta Air Lines
        $94
        15% off
        $111 $94
      • SFO 6:25 PM
        3h 34m
        Nonstop
        AUS 11:59 PM
        San Francisco - Austin | Thu, Aug 27 | United Airlines
        $98
        12% off
        $111 $98
      • SFO 5:59 PM
        3h 27m
        Nonstop
        AUS 11:26 PM
        San Francisco - Austin | Tue, Sep 15 | Delta Air Lines
        $103
        7% off
        $111 $103
      • SFO 6:00 AM
        15h 41m
        1 stop
        AUS 11:41 PM
        San Francisco - Austin | Sat, Aug 29 | Frontier Airlines
        $92
        17% off
        $111 $92
      • SFO 8:24 PM
        16h 13m
        1 stop
        AUS 2:37 PM
        San Francisco - Austin | Mon, Sep 14 | Frontier Airlines
        $101
        9% off
        $111 $101
      • SFO 11:20 AM
        22h 32m
        1 stop
        AUS 11:52 AM
        San Francisco - Austin | Wed, Aug 26 | Frontier Airlines
        $104
        6% off
        $111 $104
      • SFO 1:00 PM
        17h 25m
        1 stop
        AUS 2:00 PM
        San Francisco - Austin | Thu, Aug 13 | Normal Airline
        Find more flights
        Find more flights

Popular airlines from San Francisco to Austin

You can choose from 5 airlines that fly from San Francisco to Austin, including United Airlines, Delta Air Lines, and Frontier Airlines. Delta Air Lines has lowest fares on this route.
United Airlines logo United Airlines
Delta Air Lines logo Delta Air Lines
Frontier Airlines logo Frontier Airlines
Alaska Airlines logo Alaska Airlines
American Airlines logo American Airlines
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 insights on flights from San Francisco to Austin

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

The average price of one-way flights from San Francisco to Austin purchased by Trip.com users by month 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 $168; while the month with the highest flight price is usually March, with an average price of up to $290.

$290
$229
$168
$107
    Cheapest
  • $177
    Aug
  • $248
    Sep
  • $240
    Oct
  • $265
    Nov
  • $173
    Dec
  • $171
    Jan
  • $180
    Feb
  • $290
    Mar
  • $187
    Apr
  • $168
    May
  • $279
    Jun
  • $210
    Jul

What is the cheapest month for round-trip flights from San Francisco to Austin?

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

According to historical data from Trip.com, the lowest prices for flights from San Francisco to Austin are found during December, with an average price of $244. Conversely, the highest prices are found during May, with an average price of up to $907.

$907
$576
$244
0
    Cheapest
  • $355
    Aug
  • $250
    Sep
  • $504
    Oct
  • $334
    Nov
  • $244
    Dec
  • $524
    Jan
  • $308
    Feb
  • $602
    Mar
  • $411
    Apr
  • $907
    May
  • $260
    Jun
  • $363
    Jul

When is the cheapest day to fly from San Francisco to Austin during Labor Day?

Data is based on the lowest one-way price from San Francisco to Austin during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from San Francisco to Austin are available on Sep 8, with fares starting at $103.

$269
$186
$103
$20
    Cheapest
  • $176
    3
    Sep
  • $175
    4
  • $116
    5
  • $119
    6
  • $269
    7
  • $103
    8
  • $120
    9

Frequently Asked Questions

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

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $82 on Cheapest nonstop routes (e.g. SFO to AUS on Thu, Aug 20), while Frontier Airlines offers Cheapest nonstop round-trips from $156 departing on Fri, Aug 21 and returning on Thu, Aug 27.
  • At the moment, you can catch a nonstop flight from San Francisco to Austin with the following airlines, including: United Airlines Delta Air Lines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 41 minutes to fly from San Francisco (SFO) to Austin (AUS).
  • 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: United Airlines: S/-/-/-/-/-/- -- UA1326 (09:18)
  • 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 Thu, Aug 20, with one-way flights priced at just $82.
    · 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 $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 $173. 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 $318. 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.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.