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South Island

$93+ Cheap flights from South Island

This is the cheapest round-trip 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.
CHC — SFO
May 15 — May 221
Fri 5/15
Fri 5/22
1 adult, Economy
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Find flights from South Island within your budget

 
Find flights departing from South Island 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 April 15, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Wed 5/13

9:05 pm-9:50 pm

1 stop26h 45m

Sydney Kingsford Smith

Wed 5/20

7:50 am-4:30 pm

1 stop6h 40m

$398

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Mon 6/8

4:35 pm-6:10 pm

Nonstop3h 35m

Sydney Kingsford Smith

Fri 6/19

7:15 pm-12:20 am

Nonstop3h 05m

$405

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Fri 5/22

4:35 pm-6:10 pm

Nonstop3h 35m

Sydney Kingsford Smith

Fri 6/5

7:15 pm-12:20 am

Nonstop3h 05m

$415

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Tue 5/19

4:35 pm-6:10 pm

Nonstop3h 35m

Sydney Kingsford Smith

Sat 6/6

7:15 pm-12:20 am

Nonstop3h 05m

$415

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Tue 5/19

4:35 pm-6:10 pm

Nonstop3h 35m

Sydney Kingsford Smith

Tue 6/2

7:15 pm-12:20 am

Nonstop3h 05m

$415

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Mon 8/24

6:30 am-8:10 am

Nonstop3h 40m

Sydney Kingsford Smith

Mon 8/31

5:55 pm-11:05 pm

Nonstop3h 10m

$419

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Thu 7/2

6:30 am-8:10 am

Nonstop3h 40m

Sydney Kingsford Smith

Tue 7/7

7:50 am-6:25 pm

1 stop8h 35m

$422

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Thu 5/28

9:15 am-2:40 pm

1 stop7h 25m

Sydney Kingsford Smith

Thu 6/4

6:00 am-12:10 am

1 stop16h 10m

$443

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Wed 5/13

4:35 pm-6:10 pm

Nonstop3h 35m

Sydney Kingsford Smith

Sun 8/2

7:15 pm-12:20 am

Nonstop3h 05m

$494
Quickest round-trip

ChristchurchSydney

CHC - SYD

CHCSYD

Christchurch

Mon 5/18

5:20 pm-6:40 pm

Nonstop3h 20m

Sydney Kingsford Smith

Sun 8/2

7:15 pm-12:20 am

Nonstop3h 05m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from South Island

Have a flexible travel schedule? Discover the best time to fly from South Island with our price prediction graph.
Estimated round-trip 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 South Island

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

What is the cheapest month to book a flight from South Island?

Currently, May is the cheapest month in which you can book a flight from South Island (average of $633). Flying from South Island in February will prove the most costly (average of $994). 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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Related info for your journey

Access useful and relevant information related to your journey from South Island. 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 April 15, 2026.

  • What is the cheapest airport to fly out of South Island?

    Valencia airport offers the cheapest routes to New York, from $15; whereas Medellín Jose Maria Cordova Intl airport is typically cheaper if you're flying to Panama City, from $22. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from South Island?

    May is currently the cheapest month to fly from South Island. At this moment in time February is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from South Island?

    Check out the cheapest flights from South Island to embark to:
    Fly from Valencia to Palma de Mallorca from $15 round trip
    Fly from Medellín to Santa Marta from $22 round trip
    Fly from Medellín to Cartagena from $23 round trip
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip

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