$172+ 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 1/2. 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
6 Feb — 13 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 7 January 2026.

Good one-way deal

$667 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 7 January 2026.

Mon 26/114:35SAT - SYD
2 stops49h 35mQantas Airways
Mon 2/211:20SYD - SAT
1 stop28h 34mQantas Airways
Deal found 5/1$1,428
Mon 26/116:40SAT - SYD
1 stop22h 50mDelta
Mon 2/210:40SYD - SAT
1 stop21h 03mDelta
Deal found 6/1$1,464
Mon 2/216:40SAT - SYD
1 stop22h 50mDelta
Mon 9/210:40SYD - SAT
2 stops29h 15mDelta
Deal found 5/1$1,470
Tue 14/415:24SAT - SYD
1 stop24h 11mDelta
Sat 25/409:15SYD - SAT
1 stop20h 10mDelta
Deal found 6/1$1,483
Thu 19/215:43SAT - MEL
1 stop24h 47mQantas Airways
Tue 3/318:30MEL - SAT
2 stops35h 20mQantas Airways
Deal found 6/1$1,486
Fri 20/216:42SAT - SYD
1 stop22h 48mDelta
Fri 27/210:40SYD - SAT
1 stop21h 04mDelta
Deal found 6/1$1,503
Sat 14/305:10SAT - SYD
2 stops34h 15mDelta
Fri 20/309:40SYD - SAT
1 stop21h 02mDelta
Deal found 5/1$1,509
Tue 14/415:24SAT - SYD
1 stop24h 11mChina Airlines
Sat 25/409:15SYD - SAT
1 stop20h 10mChina Airlines
Deal found 4/1$1,522
Thu 2/420:08SAT - MEL
2 stops31h 12mMultiple Airlines
Sat 25/407:30MEL - SAT
2 stops26h 58mMultiple Airlines
Deal found 6/1$1,549
Tue 10/214:35SAT - BNE
1 stop22h 25mQantas Airways
Mon 16/218:30BNE - SAT
2 stops34h 20mQantas Airways
Deal found 5/1$1,640
Sat 4/420:26SAT - MEL
2 stops31h 54mMultiple Airlines
Sat 25/407:30MEL - SAT
2 stops26h 58mMultiple Airlines
Deal found 6/1$1,674
Sun 1/214:35SAT - BNE
1 stop22h 25mQantas Airways
Thu 5/218:30BNE - SAT
2 stops33h 48mQantas Airways
Deal found 5/1$1,712

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 7 January 2026. 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

Mon 2/2

16:40-08:30

1 stop22h 50m

Sydney Kingsford Smith

Mon 9/2

14:15-23:43

1 stop26h 28m

$1,464

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 26/1

10:45-08:30

2 stops28h 45m

Sydney Kingsford Smith

Mon 2/2

10:40-17:25

2 stops23h 45m

$1,470

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 14/4

15:24-06:35

1 stop24h 11m

Sydney Kingsford Smith

Sat 25/4

09:15-14:25

1 stop20h 10m

$1,483

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 10/5

16:10-06:35

1 stop23h 25m

Sydney Kingsford Smith

Sat 16/5

09:15-14:42

1 stop20h 27m

$1,483

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 19/2

15:43-09:30

1 stop24h 47m

Melbourne

Tue 3/3

18:30-12:50

2 stops35h 20m

$1,486

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Tue 10/2

14:35-05:00

1 stop22h 25m

Brisbane

Mon 16/2

18:30-12:50

2 stops34h 20m

$1,640

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Sun 1/2

14:35-05:00

1 stop22h 25m

Brisbane

Thu 5/2

18:30-15:45

2 stops37h 15m

$1,712

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Wed 3/6

05:45-06:30

3 stops33h 45m

Brisbane

Wed 17/6

10:30-00:11

1 stop28h 41m

$1,726

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Wed 3/6

05:45-06:30

1 stop33h 45m

Brisbane

Wed 17/6

10:30-00:11

1 stop28h 41m

$1,741

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Thu 19/2

11:43-09:25

2 stops28h 42m

Melbourne

Tue 3/3

16:50-10:47

2 stops58h 57m

$1,831

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 29 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 $537). Flying from San Antonio in December will prove the most costly (average of $1,440). 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 7 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 $667 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.

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.

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