Cheap flights from London Heathrow Airport to South Pacific from £437

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to South Pacific

Keep the following information in mind while searching for Heathrow to South Pacific flight deals. Data was last updated 24 November 2025.

Round-trip from

£726

One-way from

£437

Popular in

December

Cheapest in

May

Average price

£870

Good round-trip deal

£1,139 or less

Good one-way deal

£990 or less
China Eastern
  • China Eastern
  • 1/3-24/3
  • 2 total stops
  • 60h 05m total
  • London to South Pacific
China Southern
  • China Southern
  • 9/3
  • 2 total stops
  • 48h 45m total
  • London to South Pacific
Highest demand for flights based on searches. 9% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from London Heathrow to South Pacific.
Price to beat on a one-way flight from London Heathrow to South Pacific.

Find flight deals from Heathrow to South Pacific

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to South Pacific
Explore the most affordable flight options available from Heathrow to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 November 2025.

Fri 28/1121:30LHR - MEL
2 stops61h 00mChina Southern
Tue 13/123:30MEL - LHR
2 stops30h 05mChina Southern
Deal found 23/11£727
Fri 28/1121:00LHR - MEL
2 stops31h 10mMultiple Airlines
Thu 22/110:00MEL - LHR
3 stops34h 55mMultiple Airlines
Deal found 23/11£728
Fri 26/1221:30LHR - MEL
2 stops46h 20mChina Southern
Tue 20/111:25MEL - LHR
2 stops37h 35mChina Southern
Deal found 22/11£729
Tue 30/1221:30LHR - MEL
2 stops46h 20mChina Southern
Sun 15/223:30MEL - LHR
2 stops30h 05mChina Southern
Deal found 23/11£730
Sun 30/1121:30LHR - MEL
2 stops37h 00mChina Southern
Sat 6/1208:40MEL - LHR
1 stop44h 55mChina Southern
Deal found 23/11£731
Wed 31/1221:10LHR - MEL
1 stop28h 50mShenzhen Airlines
Tue 17/222:20MEL - LHR
1 stop31h 50mShenzhen Airlines
Deal found 22/11£739
Fri 28/1121:30LHR - MEL
2 stops37h 00mChina Southern
Wed 3/1208:40MEL - LHR
1 stop44h 55mChina Southern
Deal found 24/11£741
Fri 28/1122:00LHR - MEL
1 stop36h 30mChina Southern
Fri 5/1211:25MEL - LHR
2 stops42h 10mChina Southern
Deal found 23/11£742
Wed 31/1217:15LHR - SYD
2 stops51h 15mChina Southern
Wed 14/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 24/11£759
Thu 4/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Wed 21/120:05SYD - LHR
3 stops34h 05mMultiple Airlines
Deal found 22/11£761
Sun 30/1117:15LHR - SYD
2 stops26h 20mChina Southern
Sun 7/1211:25SYD - LHR
2 stops42h 10mChina Southern
Deal found 23/11£762
Wed 3/1220:25LHR - SYD
1 stop32h 05mAir China
Wed 17/1220:40SYD - LHR
1 stop32h 10mAir China
Deal found 22/11£763

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to South Pacific 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 24 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to South Pacific that are best for you.

Fly from

Heathrow

Fly to

South Pacific

Route

Depart

Return

Price

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 1/3

21:10-13:00

1 stop28h 50m

Melbourne

Tue 10/3

22:20-19:10

1 stop31h 50m

£739

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 1/3

20:55-06:35

1 stop22h 40m

Sydney Kingsford Smith

Wed 18/3

16:35-18:10

1 stop36h 35m

£802

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 28/12

21:10-13:00

1 stop28h 50m

Melbourne

Sun 15/2

22:20-19:10

1 stop31h 50m

£806

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 27/2

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Sun 22/3

22:10-16:55

1 stop29h 45m

£809

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 30/4

19:10-08:15

1 stop28h 05m

Sydney Kingsford Smith

Sat 23/5

14:15-17:50

1 stop36h 35m

£814

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 18/5

21:10-10:45

1 stop28h 35m

Sydney Kingsford Smith

Fri 5/6

22:10-16:30

1 stop27h 20m

£821

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/3

08:50-17:55

1 stop22h 05m

Sydney Kingsford Smith

Fri 20/3

21:45-12:05

1 stop25h 20m

£836

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Thu 26/2

20:55-17:00

1 stop33h 05m

Melbourne

Sat 7/3

18:20-06:40

1 stop23h 20m

£851

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Sun 1/2

19:55-06:45

2 stops48h 50m

Brisbane

Tue 17/2

23:25-21:05

2 stops31h 40m

£928

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Tue 31/3

21:10-10:35

1 stop28h 25m

Brisbane

Sun 19/4

22:50-16:30

1 stop26h 40m

£933

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific from Heathrow 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 Heathrow Airport to South Pacific

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to South Pacific (average of £524). Flying from London Heathrow Airport to South Pacific in July is currently the most expensive (average of £801). 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 LHR to SP?

Find hourly flight availability from Heathrow to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 November 2025.

It’s typically best to fly out from London Heathrow Airport to South Pacific in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to South Pacific?

Use this chart to determine the cheapest time to fly return from Heathrow to South Pacific. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to South Pacific flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to South Pacific

Explore weekly flight availability from Heathrow to South Pacific. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 November 2025.

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

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 Pacific. Reviews last updated 24 November 2025.
Read reviews from past customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to South Pacific. 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.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Comfort

8.0

Entertainment

8.0

Food

7.8

Boarding

8.3

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to South Pacific. 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 Heathrow Airport to South Pacific?

    Departing from London Heathrow Airport to South Pacific will take you 22h 40m. The distance from London Heathrow Airport to South Pacific 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 London Heathrow Airport to South Pacific one-way?

    £449 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on Etihad Airways and Air India, with prices starting from £500 and £501, respectively.

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

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

    On average you can expect to pay £4,088 for a flight from London Heathrow Airport to South Pacific. The cheapest flight overall is £971 while the most popular route, (London Heathrow - Melbourne) is currently priced at £617.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to South Pacific 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 Heathrow Airport to South Pacific?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to South Pacific (average of £524). Flying from London Heathrow Airport to South Pacific in July is currently the most expensive (average of £801). 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

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Alternative routes for Heathrow to South Pacific

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

Top 10 airlines flying from Heathrow to South Pacific

Discover the top 10 airlines that operate flights from Heathrow to South Pacific. 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 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£131Average£181FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Beijing Capital AirlinesCheapest£330Average£634FlexibilityNo cancel feeOn-timeN/A
Search Beijing Capital Airlines flights
Hainan AirlinesCheapest£344Average£823FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£654Average£792FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
SWISSCheapest£729Average£872FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Vietnam AirlinesCheapest£755Average£1,052FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Austrian AirlinesCheapest£761Average£846FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air FranceCheapest£774Average£1,210FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£872Average£1,181FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£914Average£1,437FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Heathrow to South Pacific via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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