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$258+ 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 19/9. 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
23 Jul — 30 Jul1
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 18 July 2025.

Good one-way deal

$170 or less
Price to beat on a one-way flight from San Antonio.
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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 18 July 2025.

Thu 4/917:58SAT - SYD
2 stops22h 02mUnited Airlines
Wed 17/910:20SYD - SAT
1 stop26h 57mUnited Airlines
Deal found 18/7$1,681
Thu 4/915:04SAT - SYD
1 stop25h 01mAmerican Airlines
Wed 17/912:10SYD - SAT
1 stop20h 37mAmerican Airlines
Deal found 18/7$1,701
Thu 23/1020:25SAT - MEL
2 stops30h 55mMultiple Airlines
Thu 6/1107:15MEL - SAT
2 stops28h 25mMultiple Airlines
Deal found 16/7$1,924
Thu 18/920:30SAT - BNE
2 stops23h 05mMultiple Airlines
Tue 30/911:35BNE - SAT
2 stops23h 22mMultiple Airlines
Deal found 16/7$1,945
Tue 26/818:45SAT - SYD
2 stops36h 25mFiji Airways
Thu 4/913:15SYD - SAT
2 stops21h 30mFiji Airways
Deal found 17/7$2,064
Thu 18/920:30SAT - BNE
2 stops23h 05mFiji Airways
Tue 30/911:35BNE - SAT
2 stops24h 16mFiji Airways
Deal found 17/7$2,069
Fri 8/816:00SAT - SYD
1 stop23h 35mDelta
Mon 11/809:25SYD - SAT
1 stop19h 45mDelta
Deal found 18/7$2,192
Thu 18/915:04SAT - BNE
1 stop23h 21mAmerican Airlines
Tue 30/920:05BNE - SAT
2 stops27h 21mAmerican Airlines
Deal found 17/7$2,297
Thu 18/919:15SAT - BNE
2 stops44h 15mUnited Airlines
Tue 30/910:30BNE - SAT
1 stop21h 47mUnited Airlines
Deal found 16/7$2,360
Thu 23/1015:26SAT - MEL
1 stop23h 19mAmerican Airlines
Thu 6/1112:00MEL - SAT
1 stop27h 55mAmerican Airlines
Deal found 16/7$2,362
Wed 3/905:30SAT - SYD
3 stops36h 15mMultiple Airlines
Wed 24/909:55SYD - SAT
2 stops27h 22mMultiple Airlines
Deal found 16/7$2,570
Fri 29/817:58SAT - MEL
2 stops22h 32mUnited Airlines
Fri 5/910:55MEL - SAT
1 stop26h 22mUnited Airlines
Deal found 16/7$2,585

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 18 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 4/9

17:58-07:00

2 stops22h 02m

Sydney Kingsford Smith

Wed 17/9

10:20-22:17

1 stop26h 57m

$1,681

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 4/9

15:04-07:05

1 stop25h 01m

Sydney Kingsford Smith

Wed 17/9

12:10-17:47

1 stop20h 37m

$1,701

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 23/10

20:25-19:20

2 stops30h 55m

Melbourne

Thu 6/11

07:15-18:40

2 stops28h 25m

$1,924

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 18/9

20:30-10:35

2 stops23h 05m

Brisbane

Tue 30/9

11:35-19:57

2 stops23h 22m

$1,945

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 26/8

18:45-22:10

2 stops36h 25m

Sydney Kingsford Smith

Thu 4/9

13:15-19:45

2 stops21h 30m

$2,064

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 18/9

20:30-10:35

2 stops23h 05m

Brisbane

Tue 30/9

11:35-20:51

2 stops24h 16m

$2,069

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 8/8

16:00-06:35

1 stop23h 35m

Sydney Kingsford Smith

Mon 11/8

09:25-14:10

1 stop19h 45m

$2,192

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 18/9

15:04-05:25

1 stop23h 21m

Brisbane

Tue 30/9

20:05-08:26

2 stops27h 21m

$2,297

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 18/9

19:15-06:30

2 stops44h 15m

Brisbane

Tue 30/9

10:30-17:17

1 stop21h 47m

$2,360

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 23/10

15:26-06:45

1 stop23h 19m

Melbourne

Thu 6/11

12:00-22:55

1 stop27h 55m

$2,362

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 35 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 11 July 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 $312). Flying from San Antonio in December will prove the most costly (average of $1,677). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from San Antonio?

San Antonio offers frequent flights to Chicago (383 flights per day), Dallas (357 flights per day) and Atlanta (209 flights per day).

Los Angeles
Los Angeles
From $110
Fort Lauderdale
Fort Lauderdale
From $160
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $449

What is the cheapest place to fly to from San Antonio?

The cheapest city to fly to from San Antonio is Los Angeles, with prices starting at $170. Explore other affordable destinations below.

Los Angeles
Los Angeles
From $110
Fort Lauderdale
Fort Lauderdale
From $160
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $449

Airline reviews for flights from San Antonio

Get insights into the airlines that provide service from San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Antonio. In the last 7 days, Cheapflights users made a total of 647,157 searches.
See what other customers who have flown with Japan Airlines, Alaska Airlines, andFiji Airways from San Antonio have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,515 reviews
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Alaska Airlines
8.0
Very Good
10,000 reviews
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Fiji Airways
8.0
Very Good
201 reviews
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very Good
7,958 reviews
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qantas Airways
7.5
Good
881 reviews
Japan Airlines
8.3
Very Good
1,515 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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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 18 July 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, Cancún. Denver, Boston, 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 $170 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for $371 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

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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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