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Cheap flights from London to South Island from £430

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHC
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to South Island

Enter your travel dates to find the best prices.

Cheapest flights from London to South Island
Explore the most affordable flight options available from London to South Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 July 2026.

Tue 27/1021:30
LHR
-
CHC
2 stops30h 50m
China Southern
Thu 19/1122:30
CHC
-
LHR
2 stops32h 25m
China Southern
Deal found 19/7£841
Mon 24/822:00
LHR
-
CHC
3 stops37h 20m
Multiple Airlines
Sun 30/806:15
CHC
-
LHR
3 stops48h 15m
Multiple Airlines
Deal found 16/7£850
Wed 9/911:35
LGW
-
CHC
2 stops47h 45m
Multiple Airlines
Tue 15/913:50
CHC
-
LGW
2 stops40h 20m
Multiple Airlines
Deal found 16/7£882
Tue 1/922:00
LGW
-
ZQN
2 stops51h 20m
Multiple Airlines
Tue 8/910:50
ZQN
-
LGW
2 stops54h 50m
Multiple Airlines
Deal found 18/7£954
Mon 31/822:00
LGW
-
DUD
2 stops50h 15m
Multiple Airlines
Mon 7/911:50
DUD
-
LGW
2 stops53h 50m
Multiple Airlines
Deal found 17/7£959
Tue 10/1110:30
LGW
-
CHC
2 stops61h 50m
Multiple Airlines
Wed 2/1206:15
CHC
-
LGW
2 stops37h 15m
Multiple Airlines
Deal found 15/7£977
Sat 14/1121:00
LHR
-
ZQN
2 stops34h 00m
Multiple Airlines
Wed 18/1112:10
ZQN
-
LHR
2 stops42h 20m
Multiple Airlines
Deal found 19/7£981
Mon 9/1117:00
LGW
-
CHC
2 stops35h 20m
Multiple Airlines
Mon 23/1106:15
CHC
-
LGW
2 stops61h 15m
Multiple Airlines
Deal found 15/7£986
Sat 26/1210:30
LGW
-
ZQN
2 stops44h 30m
Multiple Airlines
Fri 15/116:55
ZQN
-
LGW
2 stops50h 35m
Multiple Airlines
Deal found 20/7£999
Sat 31/1020:55
LHR
-
CHC
2 stops38h 40m
Etihad Airways
Thu 12/1106:00
CHC
-
LHR
2 stops43h 05m
Etihad Airways
Deal found 19/7£1,002
Fri 6/1117:40
LHR
-
CHC
2 stops40h 40m
Multiple Airlines
Fri 20/1106:10
CHC
-
LHR
2 stops46h 45m
Multiple Airlines
Deal found 18/7£1,003
Mon 9/1121:00
LHR
-
CHC
2 stops31h 20m
Multiple Airlines
Mon 23/1106:15
CHC
-
LHR
2 stops48h 15m
Multiple Airlines
Deal found 15/7£1,014

Find flight deals from London to South Island

Keep the following information in mind while searching for London to South Island flight deals. Data was last updated 20 July 2026.

Round-trip from

£841

One-way from

£430

Popular in

August

Cheapest in

May

Average price

£1,511
China Southern
  • China Southern
  • 27/10-19/11
  • 4 total stops
  • 63h 15m total
  • London to South Island
Search Deals
30/11
  • 30/11
  • 2 total stops
  • 45h 45m total
  • London to South Island
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to South Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 July 2026.
Use the filters below to find and compare flights from London to South Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDunedin

LGW - DUD

LGWDUD

London Gatwick

Mon 31/8

22:00-11:15

2 stops50h 15m

Dunedin

Mon 7/9

11:50-06:40

2 stops53h 50m

£959

LondonDunedin

LHR - DUD

LHRDUD

London Heathrow

Mon 31/8

21:20-08:55

2 stops48h 35m

Dunedin

Mon 7/9

11:50-18:40

2 stops41h 50m

£1,112

LondonChristchurch

LHR - CHC

LHRCHC

London Heathrow

Fri 13/11

19:20-23:20

2 stops39h 00m

Christchurch

Mon 30/11

06:00-06:40

2 stops37h 40m

£1,224

LondonChristchurch

LHR - CHC

LHRCHC

London Heathrow

Wed 11/11

13:55-23:20

2 stops44h 25m

Christchurch

Sun 15/11

06:10-12:05

2 stops42h 55m

£1,226

LondonChristchurch

LHR - CHC

LHRCHC

London Heathrow

Sun 15/11

19:20-14:10

2 stops29h 50m

Christchurch

Tue 1/12

06:00-06:40

2 stops37h 40m

£1,227
Fastest return journey

LondonChristchurch

STN - CHC

STNCHC

London Stansted

Mon 9/11

20:15-14:30

2 stops29h 15m

Christchurch

Mon 23/11

18:20-12:05

2 stops30h 45m

£1,235

LondonChristchurch

LGW - CHC

LGWCHC

London Gatwick

Wed 11/11

06:30-23:20

3 stops51h 50m

Christchurch

Sun 15/11

06:10-09:10

3 stops64h 00m

£1,236

LondonChristchurch

LHR - CHC

LHRCHC

London Heathrow

Tue 13/10

06:30-14:35

3 stops44h 05m

Christchurch

Sun 8/11

06:10-21:05

3 stops51h 55m

£1,276

LondonChristchurch

STN - CHC

STNCHC

London Stansted

Tue 10/11

20:15-17:20

2 stops32h 05m

Christchurch

Wed 2/12

09:15-17:55

2 stops45h 40m

£1,278

LondonChristchurch

STN - CHC

STNCHC

London Stansted

Tue 3/11

20:15-14:30

2 stops29h 15m

Christchurch

Tue 17/11

15:45-17:55

2 stops39h 10m

£1,278

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight from London to South Island

Have a flexible travel schedule? Discover the best time to fly to South Island from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to South Island

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

Currently, May is the cheapest month in which you can book a flight from London to South Island (average of £1,227). Flying from London to South Island in July is currently the most expensive (average of £1,660). 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.

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

To ensure you get the cheapest price possible for a flight from London to South Island, you should look to book at least 72 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.

Reviews of airlines servicing South Island

Get insights into the airlines that provide service to South Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Island. Reviews last updated 20 July 2026.
Read reviews from past customers who have flown with Singapore Airlines,Emirates, andAir New Zealand from London to South Island. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.
Singapore Airlines
8.2
Very Good
1,574 reviews
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.
Emirates
8.1
Very Good
3,630 reviews
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.
Air New Zealand
8.0
Very Good
654 reviews
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.
Qantas Airways
7.5
Good
1,064 reviews
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.
China Southern
7.4
Good
163 reviews
Singapore Airlines
8.2
Very Good
1,574 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
8.0
Excellent

Eric,Feb 2024

PEN - SIN

Everything went smoothly, the staff was friendly, the special meal was correct. It was with Singapore Airlines for the first two legs (Penang to Singapore then Singapore to LAX). The final leg of LAX to BWI was with United.

Related info for your journey

Find useful and relevant information for your journey from London to South Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to South Island?

    For as low as £1,235, Etihad Airways can have you in South Island from London in 29h 15m. Airlines will cover a distance of 11748 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Etihad Airways, which is currently one of the cheapest options available, starting at £616. Air New Zealand flights start at £706 while deals on Singapore Airlines start at £800 one-way.

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

    When deciding which route to take from London to South Island consider London Heathrow - Christchurch, London Gatwick - Christchurch or London Stansted - Christchurch as they are the most popular.

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

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

  • How can I find direct flights from London to South Island?

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

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

    Yes. Cheapflights offers flight deals from London 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.

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

    Currently, May is the cheapest month in which you can book a flight from London to South Island (average of £1,227). Flying from London to South Island in July is currently the most expensive (average of £1,660). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to South Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to South Island

Discover the top 10 airlines that operate flights from London to South Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£433Average£1,225FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
China SouthernCheapest£816Average£1,119FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Etihad AirwaysCheapest£987Average£1,139FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest£1,051Average£1,434FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EmiratesCheapest£1,075Average£1,333FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest£1,089Average£1,304FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest£1,106Average£1,544FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapest£1,152Average£1,440FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest£1,179Average£1,476FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£1,189Average£1,700FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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 London to South Island?

Deals for London to South Island flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to South Island.

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

Certainly. Search results for flights to South Island from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for London to South Island flights 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 your alerts.

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