Question 1

What are the cheapest airlines to fly from London Heathrow Airport to South Island one-way?

Accepted Answer

For one-way options, check prices for China Southern. According to our data, you can fly for as low as £477. Users have also found prices from £626 and £813 on Etihad Airways and Qantas Airways, respectively.

Question 2

How far ahead should I book a flight from London Heathrow Airport to South Island?

Accepted Answer

The price you pay for your flight from London Heathrow Airport to South Island may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 3

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

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to South Island (average of £1,278). Flying from London Heathrow Airport to South Island in July is currently the most expensive (average of £2,009). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in South Island ranges from 40.0 - 60.0 inches per month. May is typically the wettest month, when rainfall can reach 60.0 mm. February is typically the driest time to visit South Island when rainfall is around 40.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to South Island, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 6.0 C).

Question 6

What are the most popular routes from London Heathrow Airport to South Island?

Accepted Answer

The most popular route from London Heathrow Airport to South Island is London Heathrow - Christchurch. You may also consider London Heathrow - Queenstown Intl or London Heathrow - Nelson.

Question 7

What are the most popular airlines that fly from London Heathrow Airport to South Island?

Accepted Answer

The most popular airlines flying from London Heathrow Airport to South Island are Singapore Airlines, Emirates and China Southern. Something to consider prior to booking your flight.

Question 8

What is the cheapest time of day to fly from LHR to EDG?

Accepted Answer

When flying from London Heathrow Airport to South Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 9

Can I find deals for flights from Heathrow to South Island that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to South Island flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 10

How can I find direct flights from Heathrow to South Island?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to South Island.

Question 11

Can I find deals for business class flights from Heathrow to South Island?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to South Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 12

How does Cheapflights help users find flights from Heathrow to South Island?

Accepted Answer

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 to South Island from Heathrow today with Cheapflights!

Question 13

Why should you use Cheapflights to find cheap flight tickets from Heathrow to South Island?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to South Island for you. Better yet — we are completely free to use.

Question 14

Can Cheapflights find flights from Heathrow to South Island with no change fees?

Accepted Answer

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

Question 15

Can Cheapflights notify me if prices for flights from Heathrow to South Island become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to South Island from Heathrow today and book when prices fit your budget.

Popular in	July
Cheapest in	November
Average price	£1,435

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£776	Average£1,091	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Etihad Airways	Cheapest£975	Average£1,116	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Air New Zealand	Cheapest£1,064	Average£1,607	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
United Airlines	Cheapest£1,139	Average£1,320	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Emirates	Cheapest£1,142	Average£1,355	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Qantas Airways	Cheapest£1,157	Average£1,455	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Cathay Pacific	Cheapest£1,183	Average£1,757	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Singapore Airlines	Cheapest£1,209	Average£1,794	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Qatar Airways	Cheapest£1,297	Average£1,607	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Find flight deals from Heathrow to South Island

Popular in

Cheapest in

Average price

Cheapflights Insights

How far ahead should I book a flight from London Heathrow Airport to South Island?

The price you pay for your flight from London Heathrow Airport to South Island may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Reviews of airlines servicing South Island

Read reviews from past customers who have flown with Singapore Airlines,Emirates, andAir New Zealand from London Heathrow Airport to South Island. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to South Island one-way?

What are the most popular routes from London Heathrow Airport to South Island?

Can I find deals for flights from Heathrow to South Island that include hotel bookings?

How can I find direct flights from Heathrow to South Island?

Can I find deals for business class flights from Heathrow to South Island?

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

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.

Alternative routes for Heathrow to South Island

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to South Island by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to South Island by cabin class

Find flights from Heathrow to South Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and South Island flights

Browse other Heathrow and South Island flight options. Last updated on 4 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 9 airlines flying from Heathrow to South Island

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to South Island?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to South Island?

Can Cheapflights find flights from Heathrow to South Island with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to South Island become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheap flights from London Heathrow Airport to South Island

Find flight deals from Heathrow to South Island

Popular in

Cheapest in

Average price

Cheapflights Insights

How far ahead should I book a flight from London Heathrow Airport to South Island?

The price you pay for your flight from London Heathrow Airport to South Island may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Reviews of airlines servicing South Island

Read reviews from past customers who have flown with Singapore Airlines,Emirates, andAir New Zealand from London Heathrow Airport to South Island. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to South Island one-way?

What are the most popular routes from London Heathrow Airport to South Island?

Can I find deals for flights from Heathrow to South Island that include hotel bookings?

How can I find direct flights from Heathrow to South Island?

Can I find deals for business class flights from Heathrow to South Island?

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

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.

Alternative routes for Heathrow to South Island

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to South Island by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to South Island by cabin class

Find flights from Heathrow to South Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and South Island flights

Browse other Heathrow and South Island flight options. Last updated on 4 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 9 airlines flying from Heathrow to South Island

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to South Island?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to South Island?

Can Cheapflights find flights from Heathrow to South Island with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to South Island become cheaper?

100% Free

Book with Flexibility

Travel Smart