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Cheap flights from London Heathrow Airport to Tonga from £1,051

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tonga

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tonga
Explore the most affordable flight options available from Heathrow to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 February 2026.

Tue 28/422:10
LHR
-
TBU
3 stops39h 35m
Multiple Airlines
Tue 26/505:40
TBU
-
LHR
3 stops49h 20m
Multiple Airlines
Deal found 23/2£1,051
Tue 5/514:30
LHR
-
TBU
3 stops47h 15m
Multiple Airlines
Fri 5/605:40
TBU
-
LHR
3 stops71h 55m
Multiple Airlines
Deal found 23/2£1,427
Tue 24/311:45
LHR
-
TBU
2 stops43h 45m
Multiple Airlines
Tue 31/310:55
TBU
-
LHR
2 stops35h 15m
Multiple Airlines
Deal found 22/2£1,654
Mon 27/422:05
LHR
-
TBU
2 stops48h 40m
Singapore Airlines
Sat 23/520:55
TBU
-
LHR
2 stops34h 35m
Singapore Airlines
Deal found 23/2£1,736
Mon 27/420:35
LHR
-
TBU
2 stops50h 10m
Singapore Airlines
Wed 27/515:50
TBU
-
LHR
2 stops50h 05m
Singapore Airlines
Deal found 23/2£1,751
Tue 24/310:05
LHR
-
TBU
2 stops45h 25m
Air New Zealand
Tue 31/310:55
TBU
-
LHR
2 stops35h 15m
Air New Zealand
Deal found 24/2£1,855
Thu 7/511:20
LHR
-
TBU
2 stops44h 25m
Singapore Airlines
Mon 11/511:55
TBU
-
LHR
2 stops67h 35m
Singapore Airlines
Deal found 20/2£2,184
Sat 9/511:20
LHR
-
TBU
2 stops35h 25m
Singapore Airlines
Wed 13/516:25
TBU
-
LHR
2 stops51h 35m
Singapore Airlines
Deal found 23/2£2,220

Find flight deals from Heathrow to Tonga

Keep the following information in mind while searching for Heathrow to Tonga flight deals. Data was last updated 24 February 2026.

Round-trip from

£1,051
28/4-26/5
  • 28/4-26/5
  • 6 total stops
  • 88h 55m total
  • London to Tonga
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Tonga 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 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Tonga that are best for you.

Fly from

Heathrow

Fly to

Tonga

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 28/4

11:20-10:45

2 stops35h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 23/5

20:55-08:00

2 stops47h 05m

£1,736

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 27/4

20:35-10:45

2 stops50h 10m

Nuku‘alofa Fua'Amotu Intl

Wed 27/5

15:50-05:55

2 stops50h 05m

£1,751

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 27/4

22:05-10:45

2 stops48h 40m

Nuku‘alofa Fua'Amotu Intl

Mon 25/5

11:55-15:45

2 stops39h 50m

£1,751

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 24/3

10:05-20:30

2 stops45h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 31/3

10:55-10:10

2 stops35h 15m

£1,855

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 7/5

11:20-19:45

2 stops44h 25m

Nuku‘alofa Fua'Amotu Intl

Mon 11/5

11:55-19:30

2 stops67h 35m

£2,184

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

16:25-08:00

2 stops51h 35m

£2,220

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 28/4

21:35-21:30

3 stops59h 55m

Nuku‘alofa Fua'Amotu Intl

Tue 26/5

11:55-17:30

2 stops41h 35m

£2,320

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 30/4

14:25-16:30

2 stops38h 05m

Nuku‘alofa Fua'Amotu Intl

Sat 23/5

17:30-12:25

2 stops54h 55m

£3,445

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 24/3

20:10-01:50

3 stops40h 40m

Nuku‘alofa Fua'Amotu Intl

Tue 31/3

10:55-10:10

2 stops35h 15m

£7,163

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Best time to book a flight from Heathrow to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga 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 Tonga
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Tonga

Get insights into the airlines that provide service to Tonga. 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 Tonga. Reviews last updated 24 February 2026.
Read reviews from past customers who have flown with Air New Zealand from London Heathrow Airport to Tonga. 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.
Air New Zealand
8.0
Very Good
601 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air New Zealand
8.0
Very Good
601 reviews
Air New Zealand
8.0
Very Good
601 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Food

7.4

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

Related info for your journey

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

    Airlines like Singapore Airlines and Air New Zealand fly from London Heathrow Airport to Tonga in about 35h 25m. The time it takes to get you to your destination can typically vary by up to 10h. The distance from London Heathrow Airport to Tonga is about 10321 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Tonga 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

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Top airline flying from Heathrow to Tonga

Discover the top airline that operate flights from Heathrow to Tonga. 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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,222Average£1,650FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Tonga.

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

Need flexible booking options for your flight to Tonga from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Heathrow to Tonga and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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