$147+ Cheap flights from San Antonio

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — SYD
6 Sep — 13 Sep1
1 adult

What to know about flights from San Antonio

Discover essential information about flights departing from San Antonio, including flight schedules, destinations, airlines operating at the San Antonio airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 1 September 2025.

Good round-trip deal

$1,939 or less

Good one-way deal

$92 or less
Price to beat on a round-trip flight from San Antonio.
Price to beat on a one-way flight from San Antonio.

Find flights from San Antonio

Cheapest flights from San Antonio
Explore the most affordable flight options available from San Antonio. Find the lowest fares based on data from user searches, with prices last updated on 1 September 2025.

Thu 12/219:20SAT - MEL
2 stops24h 25mFiji Airways
Thu 19/214:30MEL - SAT
2 stops21h 01mFiji Airways
Deal found 31/8$1,626
Thu 19/219:20SAT - MEL
2 stops24h 25mFiji Airways
Thu 26/214:30MEL - SAT
2 stops22h 30mFiji Airways
Deal found 31/8$1,652
Sat 21/219:20SAT - MEL
2 stops24h 25mFiji Airways
Sat 28/214:30MEL - SAT
2 stops21h 01mFiji Airways
Deal found 31/8$1,687
Tue 3/218:41SAT - SYD
2 stops24h 49mMultiple Airlines
Wed 25/206:00SYD - SAT
2 stops33h 55mMultiple Airlines
Deal found 1/9$1,705
Thu 6/1119:30SAT - SYD
2 stops24h 30mMultiple Airlines
Sat 15/1114:30SYD - SAT
2 stops20h 32mMultiple Airlines
Deal found 31/8$1,707
Thu 13/1119:30SAT - SYD
2 stops24h 30mFiji Airways
Sat 22/1114:30SYD - SAT
2 stops21h 10mFiji Airways
Deal found 30/8$1,731
Sat 21/219:20SAT - MEL
2 stops24h 25mFiji Airways
Thu 26/214:30MEL - SAT
2 stops21h 01mFiji Airways
Deal found 31/8$1,776
Thu 30/1020:25SAT - SYD
2 stops24h 35mMultiple Airlines
Wed 12/1114:00SYD - SAT
2 stops25h 51mMultiple Airlines
Deal found 31/8$1,797
Wed 15/1018:16SAT - SYD
2 stops35h 24mMultiple Airlines
Wed 22/1011:50SYD - SAT
3 stops32h 57mMultiple Airlines
Deal found 31/8$1,822
Wed 15/1018:16SAT - MEL
2 stops26h 44mMultiple Airlines
Wed 22/1014:25MEL - SAT
3 stops30h 22mMultiple Airlines
Deal found 31/8$1,828
Tue 17/219:20SAT - MEL
2 stops24h 25mFiji Airways
Tue 24/214:15MEL - SAT
2 stops21h 16mFiji Airways
Deal found 31/8$1,866
Tue 14/1018:40SAT - BNE
2 stops24h 45mMultiple Airlines
Tue 21/1011:35BNE - SAT
2 stops24h 50mMultiple Airlines
Deal found 30/8$1,878

Find flights from San Antonio within your budget

 
Find flights departing from San Antonio that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 1 September 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 12/2

19:20-12:45

2 stops24h 25m

Melbourne

Thu 19/2

14:30-18:31

2 stops21h 01m

$1,626

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 19/2

19:20-12:45

2 stops24h 25m

Melbourne

Thu 26/2

14:30-20:00

2 stops22h 30m

$1,652

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 21/2

19:20-12:45

2 stops24h 25m

Melbourne

Sat 28/2

14:30-18:31

2 stops21h 01m

$1,687

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 3/2

18:41-12:30

2 stops24h 49m

Sydney Kingsford Smith

Wed 25/2

06:00-22:55

2 stops33h 55m

$1,705

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 6/11

19:30-13:00

2 stops24h 30m

Sydney Kingsford Smith

Sat 15/11

14:30-18:02

2 stops20h 32m

$1,707

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 13/11

19:30-13:00

2 stops24h 30m

Sydney Kingsford Smith

Sat 22/11

14:30-18:40

2 stops21h 10m

$1,731

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 19/2

19:20-12:45

2 stops24h 25m

Melbourne

Sat 28/2

14:30-18:31

2 stops21h 01m

$1,776

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Tue 17/2

19:20-12:45

2 stops24h 25m

Melbourne

Sat 28/2

14:30-18:31

2 stops21h 01m

$1,776

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 21/2

19:20-12:45

2 stops24h 25m

Melbourne

Thu 26/2

14:30-18:31

2 stops21h 01m

$1,776

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 21/2

19:20-12:45

2 stops24h 25m

Melbourne

Tue 24/2

14:15-18:31

2 stops21h 16m

$1,776

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 39 results
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Best time to book a flight from San Antonio

Have a flexible travel schedule? Discover the best time to fly from San Antonio with our price prediction graph.
Estimated return 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.

Travel insights for flights from San Antonio

Get recent, data-driven insights about flights from San Antonio including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Antonio?

Use this chart to determine the optimal time to book a return flight from San Antonio to Sydney. Price data was last updated on 29 August 2025.

The best time to book flights from San Antonio is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Antonio?

Currently, October is the cheapest month in which you can book a flight from San Antonio (average of $309). Flying from San Antonio in December will prove the most costly (average of $1,656). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from Texas

Book a direct flight from one of these other cities located in Texas.

Related info for your journey

Access useful and relevant information related to your journey from San Antonio. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 1 September 2025.
  • What are the most popular destinations to fly to from San Antonio?

    For the current month, the most popular flights from San Antonio are Denver, Boston, Dallas/Fort Worth Airport. Denver, Cancún, Boston are the most popular locations from San Antonio year round.

  • What is the cheapest flight from San Antonio to anywhere?

    Users have flown out of San Antonio for as low as $88 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for $656 to fly from San Antonio.

  • What is the cheapest month to fly from San Antonio?

    Currently, the cheapest month for flights from San Antonio is October. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from San Antonio?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Antonio today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from San Antonio?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from San Antonio with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from San Antonio, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from San Antonio become cheaper?

    Yes! Start tracking prices for flights from San Antonio today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Antonio?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from San Antonio today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Antonio?

Millions of users choose and trust Cheapflights to book the best flight deals from San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Antonio with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Antonio, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Antonio become cheaper?

Yes! Start tracking prices for flights from San Antonio today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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