Question 1

How long is the flight from South Island to London Heathrow Airport?

Accepted Answer

A quick flight from South Island to London Heathrow Airport can take about 36h 35m. British Airways provides one of the quickest options available for as low as $2,716. South Island and London Heathrow Airport are separated by a distance of 18971 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 2

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from South Island to London Heathrow Airport, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 3

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

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from South Island to London Heathrow Airport (average of $2,230). Flying from South Island to London Heathrow Airport in January is currently the most expensive (average of $3,612). 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 London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July 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 January, when temperatures are typically at their lowest (around 4.0 C).

Question 6

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

Accepted Answer

Most travellers choose Christchurch - London Heathrow, Dunedin - London Heathrow or Nelson - London Heathrow when deciding on the best route from South Island to London Heathrow Airport.

Question 7

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

Accepted Answer

The most popular airlines flying from South Island to London Heathrow Airport 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 EDG to LHR?

Accepted Answer

When flying from South Island to London Heathrow Airport, 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 South Island to Heathrow that include hotel bookings?

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

Yes. Cheapflights offers flight deals from South Island to Heathrow 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 South Island to Heathrow?

Accepted Answer

Cheapflights makes it easy to find South Island to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 13

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from South Island to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 14

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from South Island to Heathrow, users can toggle the no change fees filter when performing a flight search.

Question 15

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

Accepted Answer

Of course! You can now track prices for flights from South Island to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	$2,322
One-way from	$931

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,750	Average$2,236	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
China Southern	Cheapest$1,813	Average$2,311	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
British Airways	Cheapest$1,884	Average$2,183	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Turkish Airlines	Cheapest$2,032	Average$2,450	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Air New Zealand	Cheapest$2,450	Average$3,907	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Singapore Airlines	Cheapest$2,580	Average$3,281	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Emirates	Cheapest$2,807	Average$3,218	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Qantas Airways	Cheapest$2,853	Average$3,182	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

Find flight deals from South Island to Heathrow

Round-trip from

One-way from

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from South Island to London Heathrow Airport, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Reviews of airlines servicing Heathrow

See what other customers who have flown with Singapore Airlines,Emirates, andAir New Zealand from South Island to London Heathrow Airport have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from South Island to London Heathrow Airport?

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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 South Island to Heathrow

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

Complete your trip

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

Search flights from South Island to Heathrow by cabin class

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

South Island and Heathrow flights

Browse other South Island and Heathrow flight options. Last updated on 23 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 8 airlines flying from South Island to Heathrow

Fly with Cheapflights

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

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

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

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

100% Free

Book with flexibility

Travel Smart

Cheap flights from South Island to London Heathrow Airport

Find flight deals from South Island to Heathrow

Round-trip from

One-way from

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from South Island to London Heathrow Airport, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Reviews of airlines servicing Heathrow

See what other customers who have flown with Singapore Airlines,Emirates, andAir New Zealand from South Island to London Heathrow Airport have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from South Island to London Heathrow Airport?

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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 South Island to Heathrow

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

Complete your trip

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

Search flights from South Island to Heathrow by cabin class

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

South Island and Heathrow flights

Browse other South Island and Heathrow flight options. Last updated on 23 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 8 airlines flying from South Island to Heathrow

Fly with Cheapflights

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

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

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

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

100% Free

Book with flexibility

Travel Smart