Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Tongatapu from £1,344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tongatapu

Keep the following information in mind while searching for Heathrow to Tongatapu flight deals. Data was last updated 7 January 2026.

Round-trip from

£1,385
1/7-31/7
  • 1/7-31/7
  • 6 total stops
  • 87h 25m total
  • London to Tongatapu
Search Deals

Find flight deals from Heathrow to Tongatapu

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tongatapu
Explore the most affordable flight options available from Heathrow to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.

Sat 26/914:45LHR - TBU
3 stops55h 50mMultiple Airlines
Sat 10/1005:40TBU - LHR
3 stops43h 05mMultiple Airlines
Deal found 5/1£1,344
Wed 1/721:10LHR - TBU
3 stops40h 35mMultiple Airlines
Fri 31/705:40TBU - LHR
3 stops46h 50mMultiple Airlines
Deal found 6/1£1,385
Tue 3/221:00LHR - TBU
2 stops48h 10mMultiple Airlines
Tue 10/221:35TBU - LHR
2 stops56h 55mMultiple Airlines
Deal found 6/1£1,578
Wed 1/720:35LHR - TBU
2 stops50h 10mSingapore Airlines
Fri 31/722:40TBU - LHR
2 stops69h 05mSingapore Airlines
Deal found 6/1£1,685
Sat 9/509:25LHR - TBU
2 stops37h 20mSingapore Airlines
Wed 13/516:25TBU - LHR
2 stops51h 20mSingapore Airlines
Deal found 4/1£2,210

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 7 January 2026.
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

Wed 1/7

21:10-01:45

3 stops40h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 31/7

05:40-16:30

3 stops46h 50m

£1,385

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 3/2

21:00-10:10

2 stops48h 10m

Nuku‘alofa Fua'Amotu Intl

Tue 10/2

21:35-17:30

2 stops56h 55m

£1,578

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 1/7

20:35-10:45

2 stops50h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 31/7

22:40-07:45

2 stops69h 05m

£1,685

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 9/5

09:25-10:45

2 stops37h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 13/5

16:25-07:45

2 stops51h 20m

£2,210

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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
No data available for this route at this time. Please check back soon.

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 7 January 2026.
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
565 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

Entertainment

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
565 reviews
Air New Zealand
8.0
Very Good
565 reviews
Check prices

Comfort

8.0

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

Entertainment

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 50h 10m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 7 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,219Average£1,410FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.