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Cheap flights from London Heathrow Airport to Tongatapu from £849

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 May 2026.

Thu 11/608:25
LHR
-
TBU
3 stops43h 30m
Multiple Airlines
Wed 1/705:40
TBU
-
LHR
3 stops61h 50m
Multiple Airlines
Deal found 8/5£1,618
Thu 11/618:20
LHR
-
TBU
2 stops33h 35m
Multiple Airlines
Thu 2/705:00
TBU
-
LHR
2 stops46h 15m
Multiple Airlines
Deal found 8/5£1,696
Thu 12/1110:40
LHR
-
TBU
2 stops44h 40m
Singapore Airlines
Mon 16/1110:05
TBU
-
LHR
2 stops32h 50m
Singapore Airlines
Deal found 5/5£2,397
Fri 8/522:05
LHR
-
TBU
2 stops48h 40m
Multiple Airlines
Thu 14/511:55
TBU
-
LHR
2 stops36h 15m
Multiple Airlines
Deal found 6/5£2,467

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 10 May 2026.

Round-trip from

£1,618

One-way from

£849
11/6-1/7
  • 11/6-1/7
  • 6 total stops
  • 105h 20m total
  • London to Tongatapu
Search Deals
4/6
  • 4/6
  • 3 total stops
  • 42h 10m 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 10 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Tongatapu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 11/6

08:25-15:55

3 stops43h 30m

Nuku‘alofa Fua'Amotu Intl

Wed 1/7

05:40-07:30

3 stops61h 50m

£1,618

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 11/6

09:30-19:45

3 stops46h 15m

Nuku‘alofa Fua'Amotu Intl

Thu 2/7

11:55-17:40

3 stops65h 45m

£2,429
Fastest return journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 10/8

12:45-14:35

2 stops37h 50m

Nuku‘alofa Fua'Amotu Intl

Wed 19/8

15:50-06:20

2 stops50h 30m

£3,939
Cheapest one-way

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 4/6

09:45-15:55

3 stops42h 10m

£849

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 28/7

06:15-15:55

3 stops45h 40m

£1,245
Fastest single journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 30/7

13:05-10:45

2 stops33h 40m

£1,445

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Sorted by cheapest first

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 10 May 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
640 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.4

Food

7.4

Comfort

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
640 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.4

Food

7.4

Comfort

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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.

  • 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.

Browse thousands of different options on Cheapflights for your next trip

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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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,244Average£1,711FlexibilityNo 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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