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$204+ 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 5/8. 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
13 Jul — 20 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 8 July 2025.

Good one-way deal

$92 or less
Price to beat on a one-way flight from San Antonio.

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 8 July 2025.

Fri 22/820:28SAT - SYD
2 stops24h 17mMultiple Airlines
Fri 29/813:15SYD - SAT
2 stops21h 08mMultiple Airlines
Deal found 8/7$1,631
Sat 18/1006:45SAT - SYD
2 stops45h 30mANA
Wed 29/1021:45SYD - SAT
2 stops31h 19mANA
Deal found 7/7$1,663
Tue 2/905:30SAT - SYD
2 stops34h 30mUnited Airlines
Tue 23/910:20SYD - SAT
1 stop26h 57mUnited Airlines
Deal found 8/7$1,692
Tue 2/912:20SAT - SYD
1 stop27h 35mAmerican Airlines
Tue 23/909:10SYD - SAT
1 stop25h 17mAmerican Airlines
Deal found 8/7$1,698
Fri 22/820:28SAT - MEL
2 stops24h 32mMultiple Airlines
Fri 29/813:30MEL - SAT
2 stops20h 53mMultiple Airlines
Deal found 8/7$1,804
Wed 20/816:00SAT - SYD
1 stop23h 35mDelta
Wed 27/809:25SYD - SAT
1 stop20h 15mDelta
Deal found 6/7$1,890
Tue 26/818:45SAT - SYD
2 stops36h 25mFiji Airways
Thu 4/913:15SYD - SAT
2 stops21h 30mFiji Airways
Deal found 7/7$2,013
Thu 18/920:30SAT - BNE
2 stops23h 05mFiji Airways
Tue 30/911:35BNE - SAT
2 stops24h 16mFiji Airways
Deal found 7/7$2,102
Sun 31/815:10SAT - MEL
1 stop24h 35mAmerican Airlines
Sun 7/909:45MEL - SAT
1 stop19h 47mAmerican Airlines
Deal found 7/7$2,188
Sun 31/816:22SAT - MEL
2 stops24h 53mUnited Airlines
Sun 7/910:55MEL - SAT
2 stops24h 51mUnited Airlines
Deal found 7/7$2,191
Thu 18/915:04SAT - BNE
1 stop23h 21mAmerican Airlines
Tue 30/920:05BNE - SAT
2 stops27h 21mAmerican Airlines
Deal found 7/7$2,288
Tue 9/914:25SAT - MEL
2 stops29h 25mAir New Zealand
Mon 15/918:55MEL - SAT
2 stops39h 57mAir New Zealand
Deal found 5/7$2,500

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 8 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

Fri 22/8

20:28-11:45

2 stops24h 17m

Sydney Kingsford Smith

Fri 29/8

13:15-19:23

2 stops21h 08m

$1,631

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 18/10

06:45-20:15

2 stops45h 30m

Sydney Kingsford Smith

Wed 29/10

21:45-13:04

2 stops31h 19m

$1,663

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 2/9

05:30-07:00

2 stops34h 30m

Sydney Kingsford Smith

Tue 23/9

10:20-22:17

1 stop26h 57m

$1,692

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 2/9

12:20-06:55

1 stop27h 35m

Sydney Kingsford Smith

Tue 23/9

09:10-19:27

1 stop25h 17m

$1,698

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Fri 22/8

20:28-12:00

2 stops24h 32m

Melbourne

Fri 29/8

13:30-19:23

2 stops20h 53m

$1,804

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 20/8

16:00-06:35

1 stop23h 35m

Sydney Kingsford Smith

Wed 27/8

09:25-14:40

1 stop20h 15m

$1,890

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

$2,013

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

$2,102

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sun 31/8

15:10-06:45

1 stop24h 35m

Melbourne

Sun 7/9

09:45-14:32

1 stop19h 47m

$2,188

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sun 31/8

16:22-08:15

2 stops24h 53m

Melbourne

Sun 7/9

10:55-20:46

2 stops24h 51m

$2,191

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 21 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 27 June 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 $426). Flying from San Antonio in December will prove the most costly (average of $1,674). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 ANA, Fiji Airways, andDelta from San Antonio have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
8.4
Very Good

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
8.0
Very Good

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Boarding

8.6

Overall

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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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 8 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, Cancún, Boston. Denver, Cancún, Boston 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 $91 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for $370 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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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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