$1,126+ Cheap flights from San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. 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.
SJU — SYD
14 Apr — 21 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from San Juan

Enter your travel dates to find the best prices.

Cheapest flights from San Juan
Explore the most affordable flight options available from San Juan. Find the lowest fares based on data from user searches, with prices last updated on 15 March 2026.

Sun 17/506:45
SJU
-
SYD
1 stop34h 10m
American Airlines
Sun 31/512:00
SYD
-
SJU
1 stop25h 39m
American Airlines
Deal found 14/3$1,950
Sat 2/516:55
SJU
-
SYD
2 stops48h 05m
United Airlines
Sat 16/510:20
SYD
-
SJU
2 stops27h 30m
United Airlines
Deal found 12/3$2,013
Wed 12/807:30
SJU
-
SYD
2 stops33h 20m
Delta
Wed 26/809:15
SYD
-
SJU
2 stops27h 08m
Delta
Deal found 11/3$2,131
Sat 2/513:31
SJU
-
SYD
2 stops27h 34m
American Airlines
Sat 16/512:00
SYD
-
SJU
1 stop25h 02m
American Airlines
Deal found 12/3$2,135
Mon 3/811:54
SJU
-
SYD
2 stops29h 01m
American Airlines
Fri 14/809:10
SYD
-
SJU
2 stops28h 31m
American Airlines
Deal found 10/3$2,297
Sat 2/506:15
SJU
-
SYD
2 stops34h 35m
Delta
Sat 16/509:15
SYD
-
SJU
2 stops27h 02m
Delta
Deal found 11/3$2,303
Sun 28/607:40
SJU
-
SYD
2 stops33h 20m
United Airlines
Sun 12/709:30
SYD
-
SJU
2 stops33h 59m
United Airlines
Deal found 13/3$2,306

Find flights from San Juan within your budget

 
Find flights departing from San Juan 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 15 March 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

16:55-06:55

2 stops48h 00m

Sydney Kingsford Smith

Sat 16/5

10:20-23:50

2 stops27h 30m

$2,013

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 12/8

07:30-06:50

2 stops33h 20m

Sydney Kingsford Smith

Wed 26/8

09:15-22:23

2 stops27h 08m

$2,131
Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

15:34-06:55

1 stop25h 21m

Sydney Kingsford Smith

Sat 16/5

09:10-23:03

2 stops27h 53m

$2,132

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 3/8

11:54-06:55

2 stops29h 01m

Sydney Kingsford Smith

Fri 14/8

09:10-23:41

2 stops28h 31m

$2,297

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

06:15-06:50

2 stops34h 35m

Sydney Kingsford Smith

Sat 16/5

09:15-22:17

2 stops27h 02m

$2,303

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 24/4

20:40-06:10

2 stops43h 30m

Sydney Kingsford Smith

Tue 28/4

20:45-18:10

2 stops59h 25m

$2,714
Cheapest one-way

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 27/4

07:00-07:00

2 stops34h 00m

$1,126

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 27/4

06:45-06:55

1 stop34h 10m

$1,130
Fastest single journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 14/4

12:55-06:50

2 stops27h 55m

$1,143

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 27/4

11:43-17:10

2 stops39h 27m

$1,254

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from San Juan

Have a flexible travel schedule? Discover the best time to fly from San Juan 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 Juan

Get recent, data-driven insights about flights from San Juan including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Juan?

Currently, February is the cheapest month in which you can book a flight from San Juan (average of $1,369). Flying from San Juan in July will prove the most costly (average of $2,396). 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.

Airports servicing

Fly out of one of these airports located in .
Flights from Luis Munoz Marin Intl
Flights from Culebra
Flights from Ponce

Related info for your journey

Access useful and relevant information related to your journey from San Juan. 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 15 March 2026.

  • What is the cheapest month to fly from San Juan?

    Currently, the cheapest month for flights from San Juan is February. The most expensive month for flights is July. 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 Juan?

    Cheapflights helps you search for flights from San Juan via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from San Juan?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Juan 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 Juan with no change fees?

    Yes, we can. To see specific flights from San Juan with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from San Juan become cheaper?

    Not ready to book yet? You can track prices for flights from San Juan on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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 Juan?

Cheapflights helps you search for flights from San Juan via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Juan?

Millions of users choose and trust Cheapflights to book the best flight deals from San Juan 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 Juan with no change fees?

Yes, we can. To see specific flights from San Juan with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Juan become cheaper?

Not ready to book yet? You can track prices for flights from San Juan on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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.