$232+ 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 1/4. 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
27 helmi — 6 maalis1
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 28 tammikuu 2026.

Good one-way deal

$646 or less
Price to beat on a one-way flight from San Antonio.

Find flights from San Antonio

Enter your travel dates to find the best prices.

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 28 tammikuu 2026.

la 7/218:01
SAT
-
MEL
2 stops30h 14m
Qantas Airways
la 21/212:00
MEL
-
SAT
1 stop28h 01m
Qantas Airways
Deal found 26/1$1,411
su 15/317:36
SAT
-
SYD
2 stops35h 14m
Qantas Airways
la 21/311:20
SYD
-
SAT
1 stop27h 41m
Qantas Airways
Deal found 27/1$1,455
ke 18/215:43
SAT
-
SYD
1 stop24h 17m
Qantas Airways
ti 3/319:15
SYD
-
SAT
2 stops45h 00m
Qantas Airways
Deal found 26/1$1,490
la 7/319:01
SAT
-
SYD
2 stops43h 34m
Qantas Airways
la 14/311:20
SYD
-
SAT
1 stop27h 41m
Qantas Airways
Deal found 27/1$1,605
ke 18/215:08
SAT
-
SYD
2 stops36h 42m
Qantas Airways
ma 2/317:45
SYD
-
SAT
1 stop22h 30m
Qantas Airways
Deal found 26/1$1,614
pe 6/219:00
SAT
-
MEL
2 stops44h 20m
Qantas Airways
la 21/212:00
MEL
-
SAT
1 stop28h 01m
Qantas Airways
Deal found 26/1$1,658
ke 11/317:36
SAT
-
MEL
2 stops29h 59m
Qantas Airways
ke 18/312:00
MEL
-
SAT
1 stop27h 15m
Qantas Airways
Deal found 24/1$1,775
to 12/315:47
SAT
-
BNE
1 stop22h 13m
Qantas Airways
to 26/319:40
BNE
-
SAT
1 stop18h 35m
Qantas Airways
Deal found 26/1$1,780
to 12/315:47
SAT
-
BNE
1 stop22h 13m
American Airlines
to 19/319:40
BNE
-
SAT
1 stop18h 35m
American Airlines
Deal found 26/1$1,785
to 12/314:58
SAT
-
BNE
2 stops23h 02m
American Airlines
to 26/319:40
BNE
-
SAT
1 stop18h 35m
American Airlines
Deal found 26/1$1,791
ti 10/207:20
SAT
-
BNE
1 stop29h 40m
American Airlines
ma 16/219:40
BNE
-
SAT
1 stop19h 35m
American Airlines
Deal found 26/1$1,819
ma 30/316:10
SAT
-
MEL
1 stop24h 40m
Delta
ke 8/410:00
MEL
-
SAT
1 stop28h 29m
Delta
Deal found 27/1$1,821

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 28 tammikuu 2026. 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

la 7/2

18:01-17:15

2 stops30h 14m

Melbourne

la 21/2

12:00-23:01

1 stop28h 01m

$1,411

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

su 8/3

17:36-09:10

2 stops47h 34m

Sydney Kingsford Smith

la 28/3

11:20-23:21

1 stop28h 01m

$1,487

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

ke 18/2

15:43-09:00

1 stop24h 17m

Sydney Kingsford Smith

ti 3/3

19:15-23:15

2 stops45h 00m

$1,490

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

su 22/2

17:41-07:35

2 stops44h 54m

Sydney Kingsford Smith

su 1/3

17:45-23:15

1 stop22h 30m

$1,614

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

pe 6/2

19:00-08:20

2 stops44h 20m

Melbourne

la 21/2

12:00-23:01

1 stop28h 01m

$1,658

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

ke 11/3

17:36-15:35

2 stops29h 59m

Melbourne

ke 18/3

12:00-23:15

1 stop27h 15m

$1,775

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

to 12/3

15:47-05:00

1 stop22h 13m

Brisbane

to 26/3

19:40-23:15

1 stop18h 35m

$1,780

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

to 12/3

15:47-05:00

1 stop22h 13m

Brisbane

to 19/3

19:40-23:15

1 stop18h 35m

$1,785

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

to 12/3

13:40-05:00

2 stops24h 20m

Brisbane

to 26/3

19:40-23:15

1 stop18h 35m

$1,791

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

pe 3/4

16:10-08:50

1 stop24h 40m

Melbourne

pe 10/4

10:00-20:30

2 stops25h 30m

$1,821

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 37 results
1
2
3
4

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 $570). Flying from San Antonio in December will prove the most costly (average of $1,395). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 tammikuu 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 $646 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for $650 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.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.