$206+ 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 31/1. 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
4 Jan — 11 Jan1
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 5 December 2025.

Good one-way deal

$241 or less
Price to beat on a one-way flight 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 5 December 2025.

Sun 15/215:21SAT - SYD
1 stop24h 39mQantas Airways
Thu 19/214:35SYD - SAT
2 stops49h 16mQantas Airways
Deal found 2/12$1,518
Thu 22/114:35SAT - SYD
1 stop23h 50mQantas Airways
Sat 7/219:15SYD - SAT
2 stops37h 30mQantas Airways
Deal found 3/12$1,533
Mon 9/214:35SAT - SYD
1 stop25h 25mQantas Airways
Sun 9/817:50SYD - SAT
1 stop19h 41mQantas Airways
Deal found 3/12$1,713
Mon 26/107:20SAT - SYD
1 stop32h 40mAmerican Airlines
Sun 8/211:20SYD - SAT
1 stop19h 45mAmerican Airlines
Deal found 5/12$1,720
Wed 8/415:15SAT - SYD
1 stop25h 15mQantas Airways
Wed 15/409:10SYD - SAT
1 stop28h 38mQantas Airways
Deal found 3/12$1,739
Mon 26/117:59SAT - SYD
2 stops22h 06mUnited Airlines
Sun 8/211:20SYD - SAT
2 stops23h 13mUnited Airlines
Deal found 5/12$1,745
Wed 8/414:20SAT - SYD
2 stops25h 35mUnited Airlines
Wed 15/410:20SYD - SAT
1 stop19h 38mUnited Airlines
Deal found 3/12$1,756
Tue 10/216:40SAT - SYD
1 stop21h 10mDelta
Mon 10/809:25SYD - SAT
1 stop20h 17mDelta
Deal found 3/12$1,757
Sun 8/207:35SAT - SYD
2 stops30h 15mDelta
Mon 10/809:25SYD - SAT
2 stops23h 00mDelta
Deal found 3/12$1,763
Sun 8/214:35SAT - SYD
1 stop25h 25mQantas Airways
Mon 10/817:50SYD - SAT
1 stop19h 41mQantas Airways
Deal found 3/12$1,778
Sat 7/214:35SAT - SYD
1 stop23h 50mQantas Airways
Mon 10/817:50SYD - SAT
1 stop19h 41mQantas Airways
Deal found 3/12$1,797
Tue 20/114:35SAT - MEL
1 stop25h 55mMultiple Airlines
Fri 30/108:15MEL - SAT
2 stops22h 50mMultiple Airlines
Deal found 4/12$1,886

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 5 December 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

Sun 15/2

15:21-09:00

1 stop24h 39m

Sydney Kingsford Smith

Thu 19/2

14:35-22:51

2 stops49h 16m

$1,518

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/2

16:40-08:30

1 stop22h 50m

Sydney Kingsford Smith

Tue 11/8

09:25-14:42

1 stop20h 17m

$1,757

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/2

16:40-08:30

1 stop22h 50m

Sydney Kingsford Smith

Wed 12/8

09:25-14:42

1 stop20h 17m

$1,757

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/2

16:40-08:30

1 stop22h 50m

Sydney Kingsford Smith

Wed 12/8

09:25-14:42

1 stop20h 17m

$1,757

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/2

13:03-08:30

2 stops26h 27m

Sydney Kingsford Smith

Sun 9/8

09:25-21:28

2 stops27h 03m

$1,763

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/2

13:40-08:30

2 stops25h 50m

Sydney Kingsford Smith

Mon 10/8

09:25-22:15

2 stops27h 50m

$1,763

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 8/2

07:35-06:50

2 stops30h 15m

Sydney Kingsford Smith

Wed 12/8

09:25-17:25

2 stops23h 00m

$1,763

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 11/2

13:40-08:30

2 stops25h 50m

Sydney Kingsford Smith

Wed 12/8

09:25-22:15

2 stops27h 50m

$1,763

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 8/2

07:35-06:50

2 stops30h 15m

Sydney Kingsford Smith

Tue 11/8

09:25-14:42

1 stop20h 17m

$1,763

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 11/2

16:40-08:30

1 stop22h 50m

Sydney Kingsford Smith

Mon 10/8

09:25-00:44

2 stops30h 19m

$1,763

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 52 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 28 November 2025.

The best time to book flights from San Antonio is 24 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, May is the cheapest month in which you can book a flight from San Antonio (average of $681). Flying from San Antonio in December will prove the most costly (average of $1,481). 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 (212 flights per day), Dallas (192 flights per day) and Houston (172 flights per day).

Fort Lauderdale
Fort Lauderdale
From $241
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $678

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

The cheapest city to fly to from San Antonio is Fort Lauderdale, with prices starting at $241. Explore other affordable destinations below.

Fort Lauderdale
Fort Lauderdale
From $241
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $678

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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 5 December 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, Atlanta, Boston. Denver, Cancún, Atlanta 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 $241 to Fort Lauderdale (prices may vary depending on the airline and departure time). On average, users have booked flights for $462 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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