Cheap flights from South Pacific to London Heathrow Airport from £321

SYD — LHR
7 Oct — 14 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

Wed 18/1112:00 -
1 stop40h 30m
Wed 25/1119:45 -
1 stop32h 25m
Deal found 5/9£723
Sun 1/1120:45 -
2 stops32h 30m
Sun 15/1121:00 -
1 stop26h 00m
Deal found 2/9£724
Tue 8/919:45 -
1 stop32h 45m
Fri 11/912:35 -
1 stop36h 00m
Deal found 3/9£725
Sat 5/901:30 -
1 stop43h 00m
Sun 13/912:35 -
1 stop36h 00m
Deal found 4/9£727
Sun 6/919:45 -
2 stops32h 45m
Fri 11/912:35 -
1 stop36h 00m
Deal found 3/9£728
Tue 13/1022:30 -
1 stop30h 10m
Tue 20/1021:20 -
1 stop30h 20m
Deal found 5/9£729
Tue 29/910:20 -
1 stop42h 00m
Thu 29/1022:00 -
1 stop36h 30m
Deal found 3/9£729
Thu 10/901:30 -
1 stop43h 00m
Fri 18/922:40 -
1 stop30h 45m
Deal found 5/9£730
Tue 3/1120:45 -
1 stop30h 35m
Sun 15/1121:00 -
1 stop26h 00m
Deal found 4/9£731
Tue 20/1020:45 -
1 stop32h 45m
Fri 13/1121:40 -
1 stop24h 55m
Deal found 3/9£732
Fri 16/1012:00 -
1 stop40h 40m
Wed 28/1021:00 -
1 stop26h 00m
Deal found 3/9£732
Wed 21/1012:00 -
1 stop40h 40m
Sun 15/1121:00 -
1 stop26h 00m
Deal found 6/9£733

Find flight deals from South Pacific to Heathrow

Round-trip from

£723

One-way from

£321

Popular in

December

Cheapest in

February

Average price

£1,102

Good round-trip deal

£1,350 or less

Good one-way deal

£857 or less
Hainan Airlines
  • Hainan Airlines
  • 18/11-25/11
  • 2 total stops
  • 72h 55m total
  • South Pacific to London
China Eastern
  • China Eastern
  • 26/1-31/12
  • 1 total stop
  • 42h 45m total
  • South Pacific to London
Highest demand for flights based on searches. 6% potential increase in price (£52 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
Fastest return journey

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Mon 1/3

18:20-06:40

1 stop23h 20m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Thu 19/11

18:20-14:30

1 stop31h 10m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

AdelaideLondon

ADL Adelaide - LHR London Heathrow

ADLLHR

Adelaide

Sun 18/10

18:35-05:55

1 stop44h 50m

London Heathrow

Wed 31/12

00:00-08:30

Nonstop0h 00m

£407

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sat 19/9

23:20-22:25

2 stops30h 05m

London Heathrow

Wed 31/12

00:00-07:00

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

Tue 17/11

21:35-21:05

2 stops34h 30m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£414

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

£415

HobartLondon

HBA Hobart - LHR London Heathrow

HBALHR

Hobart

Tue 27/10

08:35-16:20

2 stops42h 45m

London Heathrow

Wed 31/12

00:00-10:00

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

£416

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Wed 7/10

22:35-16:40

2 stops28h 05m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 £876). Flying from South Pacific to London Heathrow Airport in December is currently the most expensive (average of £1,360). 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 Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 68 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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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.

Overall

8.2

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

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 24h 45m. The distance from South Pacific to London Heathrow Airport is about 10111 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 £836. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £706 on average, our data indicates £1,441 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 £876). Flying from South Pacific to London Heathrow Airport in December is currently the most expensive (average of £1,360). 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
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Salisbury
Southall
Southend-on-Sea
Enfield
Kingston upon Thames
Watford

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£1,073FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China EasternCheapest£453Average£853FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£556Average£885FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China SouthernCheapest£612Average£1,261FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Virgin AtlanticCheapest£614Average£1,066FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air ChinaCheapest£635Average£1,256FlexibilityNo cancel feeOn-time67%
Search Air China flights
Qatar AirwaysCheapest£638Average£1,030FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest£697Average£1,193FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest£755Average£1,247FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£788Average£1,356FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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