$149+ 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 17/2. 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
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

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 21 January 2026.

Good one-way deal

$666 or less
Price to beat on a one-way flight from San Antonio.

Find flights from San Antonio

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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 21 January 2026.

Wed 11/315:08
SAT
-
BNE
2 stops22h 52m
American Airlines
Thu 30/420:35
BNE
-
SAT
2 stops28h 01m
American Airlines
Deal found 20/1$1,771
Thu 12/309:52
SAT
-
BNE
2 stops29h 38m
United Airlines
Thu 26/310:40
BNE
-
SAT
1 stop26h 19m
United Airlines
Deal found 20/1$1,879
Fri 6/316:42
SAT
-
MEL
1 stop22h 18m
Delta
Fri 13/309:10
MEL
-
SAT
1 stop21h 28m
Delta
Deal found 20/1$1,879
Fri 6/314:20
SAT
-
BNE
2 stops25h 10m
United Airlines
Fri 13/310:40
BNE
-
SAT
2 stops25h 45m
United Airlines
Deal found 20/1$1,885
Thu 5/317:41
SAT
-
MEL
2 stops32h 04m
Multiple Airlines
Thu 12/307:00
MEL
-
SAT
2 stops29h 53m
Multiple Airlines
Deal found 19/1$1,998
Wed 18/215:43
SAT
-
SYD
1 stop24h 17m
Qantas Airways
Mon 2/317:30
SYD
-
SAT
2 stops22h 45m
Qantas Airways
Deal found 19/1$2,085
Thu 2/415:47
SAT
-
BNE
1 stop22h 13m
American Airlines
Thu 16/414:25
BNE
-
SAT
2 stops24h 02m
American Airlines
Deal found 19/1$2,108
Fri 6/316:42
SAT
-
BNE
1 stop23h 38m
Delta
Fri 13/309:40
BNE
-
SAT
1 stop19h 58m
Delta
Deal found 20/1$2,109
Wed 27/514:15
SAT
-
SYD
2 stops29h 25m
Air New Zealand
Wed 3/610:20
SYD
-
SAT
1 stop28h 51m
Air New Zealand
Deal found 21/1$2,109
Sun 3/515:58
SAT
-
MEL
1 stop23h 47m
American Airlines
Tue 12/509:45
MEL
-
SAT
1 stop20h 39m
American Airlines
Deal found 19/1$2,140
Tue 10/214:35
SAT
-
SYD
1 stop25h 25m
American Airlines
Tue 17/211:20
SYD
-
SAT
1 stop20h 51m
American Airlines
Deal found 20/1$2,149
Fri 1/515:58
SAT
-
SYD
1 stop24h 07m
American Airlines
Mon 11/509:10
SYD
-
SAT
1 stop21h 18m
American Airlines
Deal found 21/1$2,151

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 21 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Wed 11/3

15:08-05:00

2 stops22h 52m

Brisbane

Thu 30/4

20:35-09:36

2 stops28h 01m

$1,771

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 12/3

09:52-06:30

2 stops29h 38m

Brisbane

Thu 26/3

10:40-21:59

1 stop26h 19m

$1,879

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Fri 6/3

16:42-08:00

1 stop22h 18m

Melbourne

Fri 13/3

09:10-14:38

1 stop21h 28m

$1,879

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 5/3

17:41-18:45

2 stops32h 04m

Melbourne

Thu 12/3

07:00-20:53

2 stops29h 53m

$1,998

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 18/2

15:43-09:00

1 stop24h 17m

Sydney Kingsford Smith

Mon 2/3

17:30-23:15

2 stops22h 45m

$2,085

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 2/4

15:47-05:00

1 stop22h 13m

Brisbane

Thu 16/4

14:25-23:27

2 stops24h 02m

$2,108

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Fri 6/3

16:42-08:20

1 stop23h 38m

Brisbane

Fri 13/3

09:40-14:38

1 stop19h 58m

$2,109

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sun 3/5

15:58-06:45

1 stop23h 47m

Melbourne

Tue 12/5

09:45-15:24

1 stop20h 39m

$2,140

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 27/5

15:01-07:05

1 stop25h 04m

Sydney Kingsford Smith

Wed 3/6

09:10-14:31

1 stop20h 21m

$2,151

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 14/5

15:58-07:05

1 stop24h 07m

Sydney Kingsford Smith

Thu 21/5

09:10-14:31

1 stop20h 21m

$2,151

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 20 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.

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

Currently, May is the cheapest month in which you can book a flight from San Antonio (average of $588). Flying from San Antonio in December will prove the most costly (average of $1,439). 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

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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 21 January 2026.
  • 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, Atlanta, Cancún. Denver, Atlanta, Cancún 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 $666 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for $671 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 May. 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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