Cheap flights from South Pacific to London Heathrow Airport from £316

SYD — LHR
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from South Pacific to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from South Pacific to Heathrow

Mon 5/1012:00 -
1 stop40h 40m
Mon 12/1021:20 -
1 stop26h 40m
Deal found 14/9£688
Sun 1/1120:45 -
1 stop32h 30m
Fri 13/1121:00 -
1 stop31h 10m
Deal found 10/9£725
Sun 15/1120:45 -
2 stops32h 30m
Mon 30/1121:30 -
1 stop25h 05m
Deal found 13/9£727
Fri 6/1115:15 -
1 stop38h 20m
Sun 22/1122:00 -
1 stop24h 25m
Deal found 11/9£728
Sun 11/1012:00 -
1 stop40h 40m
Mon 26/1021:00 -
1 stop30h 05m
Deal found 11/9£728
Tue 20/1020:45 -
1 stop32h 45m
Fri 30/1021:00 -
2 stops31h 10m
Deal found 13/9£729
Thu 15/1011:20 -
1 stop42h 00m
Wed 28/1022:00 -
1 stop24h 45m
Deal found 13/9£730
Tue 27/1020:45 -
1 stop30h 35m
Mon 23/1121:30 -
1 stop25h 05m
Deal found 13/9£731
Sun 8/1120:45 -
2 stops32h 30m
Mon 30/1121:30 -
1 stop25h 05m
Deal found 13/9£732
Thu 1/1010:20 -
1 stop42h 00m
Sat 31/1022:00 -
1 stop24h 45m
Deal found 12/9£733
Wed 4/1123:30 -
1 stop30h 05m
Wed 18/1122:00 -
1 stop36h 30m
Deal found 13/9£734
Fri 16/1012:00 -
1 stop40h 40m
Sat 24/1021:20 -
1 stop30h 45m
Deal found 12/9£735

Find flight deals from South Pacific to Heathrow

Round-trip from

£688

One-way from

£316

Popular in

December

Cheapest in

February

Average price

£1,116

Good round-trip deal

£1,352 or less

Good one-way deal

£858 or less
China Eastern
  • China Eastern
  • 5/10-12/10
  • 2 total stops
  • 67h 20m total
  • South Pacific to London
China Eastern
  • China Eastern
  • 24/1-31/12
  • 1 total stop
  • 42h 45m total
  • South Pacific to London
Highest demand for flights based on searches. 6% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from South Pacific to London Heathrow.
Price to beat on a one-way flight from South Pacific to London Heathrow.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from South Pacific to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideLondon

ADL Adelaide - LHR London Heathrow

ADLLHR

Adelaide

Tue 26/1

09:15-17:30

1 stop42h 45m

London Heathrow

Wed 31/12

00:00-08:30

Nonstop0h 00m

£324

AdelaideLondon

ADL Adelaide - LHR London Heathrow

ADLLHR

Adelaide

Sun 31/1

09:15-17:30

1 stop42h 45m

London Heathrow

Wed 31/12

00:00-08:30

Nonstop0h 00m

£330

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Wed 7/10

22:05-09:50

2 stops45h 45m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£404

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Mon 21/9

10:35-11:30

2 stops31h 55m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£407

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sat 10/10

12:30-15:10

2 stops33h 40m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£407

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Thu 22/10

21:35-06:30

3 stops42h 55m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£410

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sat 21/11

10:30-16:20

2 stops37h 50m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£411

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Sun 15/11

21:35-21:05

2 stops34h 30m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£413
Fastest return journey

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Wed 7/10

22:35-15:10

2 stops26h 35m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Mon 26/10

22:35-22:30

2 stops34h 55m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£417

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow from South Pacific with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from South Pacific to London Heathrow Airport

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

Currently, February is the cheapest month in which you can book a flight from South Pacific to London Heathrow Airport (average of £877). Flying from South Pacific to London Heathrow Airport in December is currently the most expensive (average of £1,364). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Pacific to London Heathrow Airport as you normally would.

Weekly flight availability from South Pacific to London Heathrow Airport

The most flights from 0SP to LHR are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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

The price you pay for your flight from South Pacific to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with Singapore Airlines,Emirates, andCathay Pacific from South Pacific to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Boarding

8.3

Food

7.8

Entertainment

8.1

Crew

8.6

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Related info for your journey

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

    Departing from South Pacific to London Heathrow Airport will take you 38h 20m. The distance from South Pacific to London Heathrow Airport is about 10568 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Hainan Airlines, which is currently one of the cheapest options available, starting at £128. China Southern flights start at £193 while deals on Air China start at £197 one-way.

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

  • What are the cheapest flights from South Pacific to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £837. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £266 on average, our data indicates £1,284 when flying from South Pacific to London Heathrow Airport.

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

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

  • How can I find direct flights from South Pacific to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from South Pacific 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.

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

    Currently, February is the cheapest month in which you can book a flight from South Pacific to London Heathrow Airport (average of £877). Flying from South Pacific to London Heathrow Airport in December is currently the most expensive (average of £1,364). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Northampton
Croydon
Colchester
Eastbourne
Brentford
Enfield
Southend-on-Sea
Barnet
Southall
Watford
Swindon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for South Pacific to Heathrow

Top 10 airlines flying from South Pacific to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest£330Average£1,027FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China EasternCheapest£454Average£855FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£557Average£866FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£613Average£1,282FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£636Average£1,258FlexibilityNo cancel feeOn-time67%
Search Air China flights
Qatar AirwaysCheapest£639Average£1,034FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest£698Average£1,195FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest£756Average£1,248FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£789Average£1,370FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
British AirwaysCheapest£798Average£1,147FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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