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Cheap flights from London Heathrow Airport to Tongatapu from £1,543

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
26 Jan — 2 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tongatapu

Enter your travel dates to find the best prices.

Best flights from Heathrow to Tongatapu
Discover carefully curated flight deals from Heathrow to Tongatapu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 December 2025.

Sun 14/621:20LHR - TBU
2 stops53h 15mMultiple Airlines
Fri 19/622:40TBU - LHR
2 stops56h 00mMultiple Airlines
Deal found 25/12£1,543
Sat 9/511:20LHR - TBU
2 stops35h 25mSingapore Airlines
Wed 13/516:25TBU - LHR
2 stops39h 05mSingapore Airlines
Deal found 26/12£2,227
Sun 8/320:35LHR - TBU
2 stops34h 45mSingapore Airlines
Thu 12/321:35TBU - LHR
2 stops47h 05mSingapore Airlines
Deal found 24/12£2,549
Fri 15/520:35LHR - TBU
2 stops50h 10mSingapore Airlines
Sat 30/520:55TBU - LHR
2 stops54h 50mSingapore Airlines
Deal found 25/12£7,061
Thu 14/511:25LHR - TBU
2 stops44h 20mSingapore Airlines
Sat 30/520:55TBU - LHR
2 stops58h 35mSingapore Airlines
Deal found 25/12£7,061
Fri 15/511:25LHR - TBU
2 stops59h 20mSingapore Airlines
Mon 1/611:55TBU - LHR
2 stops55h 50mSingapore Airlines
Deal found 25/12£7,474
Tue 12/511:25LHR - TBU
2 stops35h 20mSingapore Airlines
Mon 1/611:55TBU - LHR
2 stops43h 35mSingapore Airlines
Deal found 25/12£7,474
Thu 14/511:25LHR - TBU
2 stops44h 20mSingapore Airlines
Mon 1/611:55TBU - LHR
2 stops55h 50mSingapore Airlines
Deal found 25/12£7,474
Wed 13/509:25LHR - TBU
2 stops48h 05mSingapore Airlines
Mon 1/611:55TBU - LHR
2 stops55h 50mSingapore Airlines
Deal found 25/12£7,474
Mon 18/511:25LHR - TBU
2 stops39h 10mSingapore Airlines
Thu 28/520:55TBU - LHR
2 stops30h 50mSingapore Airlines
Deal found 25/12£8,287
Sun 17/522:05LHR - TBU
2 stops52h 30mSingapore Airlines
Thu 28/520:55TBU - LHR
2 stops30h 50mSingapore Airlines
Deal found 25/12£8,303

Find flight deals from Heathrow to Tongatapu

Keep the following information in mind while searching for Heathrow to Tongatapu flight deals. Data was last updated 27 December 2025.

Round-trip from

£1,401
14/6-19/6
  • 14/6-19/6
  • 6 total stops
  • 88h 15m total
  • London to Tongatapu
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Tongatapu 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 27 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Tongatapu that are best for you.

Fly from

Heathrow

Fly to

Tongatapu

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sun 14/6

21:20-14:35

2 stops53h 15m

Nuku‘alofa Fua'Amotu Intl

Fri 19/6

22:40-18:40

2 stops56h 00m

£1,543

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 9/5

11:20-10:45

2 stops35h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 13/5

16:25-19:30

2 stops39h 05m

£2,227

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sun 8/3

20:35-20:20

2 stops34h 45m

Nuku‘alofa Fua'Amotu Intl

Thu 12/3

21:35-07:40

2 stops47h 05m

£2,549

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 15/5

20:35-10:45

2 stops50h 10m

Nuku‘alofa Fua'Amotu Intl

Sat 30/5

20:55-15:45

2 stops54h 50m

£7,061

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 14/5

11:25-19:45

2 stops44h 20m

Nuku‘alofa Fua'Amotu Intl

Sat 30/5

20:55-19:30

2 stops58h 35m

£7,061

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 15/5

11:25-10:45

2 stops59h 20m

Nuku‘alofa Fua'Amotu Intl

Mon 1/6

11:55-07:45

2 stops55h 50m

£7,474

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 12/5

11:25-10:45

2 stops35h 20m

Nuku‘alofa Fua'Amotu Intl

Mon 1/6

11:55-19:30

2 stops43h 35m

£7,474

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 14/5

11:25-19:45

2 stops44h 20m

Nuku‘alofa Fua'Amotu Intl

Mon 1/6

11:55-07:45

2 stops55h 50m

£7,474

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 13/5

09:25-21:30

2 stops48h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 1/6

11:55-07:45

2 stops55h 50m

£7,474

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 18/5

11:25-14:35

2 stops39h 10m

Nuku‘alofa Fua'Amotu Intl

Thu 28/5

20:55-15:45

2 stops30h 50m

£8,287

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 11 results
1
2

Best time to book a flight from Heathrow to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu 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 Tongatapu

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

Find hourly flight availability from Heathrow to Tongatapu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 December 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Tongatapu in the afternoon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Tongatapu

Get insights into the airlines that provide service to Tongatapu. 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 Tongatapu. Reviews last updated 27 December 2025.
Check out reviews from past customers who have flown with Air New Zealand from London Heathrow Airport to Tongatapu to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
560 reviews
Check prices

Entertainment

7.5

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air New Zealand
8.0
Very Good
560 reviews
Air New Zealand
8.0
Very Good
560 reviews
Check prices

Entertainment

7.5

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Tongatapu. 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 Tongatapu?

    Departing from London Heathrow Airport to Tongatapu will take you 35h 25m. The distance from London Heathrow Airport to Tongatapu is about 10321 mi.

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

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

  • How can I find direct flights from Heathrow to Tongatapu?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Tongatapu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Heathrow to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Nuku‘alofa flights

Top airline flying from Heathrow to Tongatapu

Discover the top airline that operate flights from Heathrow to Tongatapu. 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 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,222Average£1,413FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Tongatapu?

When you search for this flight from Heathrow to Tongatapu, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Tongatapu flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Tongatapu from Heathrow today and book when prices fit your budget.

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