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Cheap flights from London to Tonga from £655

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Tonga departing on 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from London to Tonga

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:10 - 10:45
LHR
-
TBU
37h 35m
2 stops
Multiple Airlines Logo
11:55 - 10:15
TBU
-
LHR
34h 20m
2 stops
£1,805Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug
Multiple Airlines Logo
17:20 - 10:45
LHR
-
TBU
29h 25m
2 stops
Multiple Airlines Logo
11:20 - 12:45
TBU
-
LHR
37h 25m
2 stops
£1,825Multiple Airlines
Thu, 13 Aug - Thu, 20 Aug
Multiple Airlines Logo
09:05 - 15:55
LHR
-
TBU
42h 50m
3 stops
Multiple Airlines Logo
05:00 - 18:40
TBU
-
LHR
49h 40m
3 stops
£2,046Multiple Airlines
Thu, 13 Aug - Thu, 20 Aug
Multiple Airlines Logo
11:20 - 10:45
LHR
-
TBU
35h 25m
2 stops
Multiple Airlines Logo
11:55 - 14:05
TBU
-
LHR
38h 10m
3 stops
£2,206Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug
Multiple Airlines Logo
17:20 - 10:45
LHR
-
TBU
29h 25m
2 stops
Multiple Airlines Logo
11:55 - 14:05
TBU
-
LHR
38h 10m
3 stops
£2,253Multiple Airlines
Thu, 13 Aug - Thu, 20 Aug
Multiple Airlines Logo
09:30 - 10:45
LHR
-
TBU
37h 15m
3 stops
Multiple Airlines Logo
11:55 - 13:15
TBU
-
LHR
37h 20m
3 stops
£3,115Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug

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momondo Fare Finder

 
Customise your flight search to find flights from London 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, momondo users made 279,928 searches. Data last updated 3 July 2026.
Use the filters below to find and compare flights from London to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 30/7

09:10-10:45

2 stops37h 35m

Nuku‘alofa Fua'Amotu Intl

Thu 6/8

11:55-10:15

2 stops34h 20m

£1,805
Fastest return journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 13/8

17:20-10:45

2 stops29h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 20/8

11:20-12:45

2 stops37h 25m

£1,825

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 13/8

09:05-15:55

3 stops42h 50m

Nuku‘alofa Fua'Amotu Intl

Thu 20/8

05:00-18:40

3 stops49h 40m

£2,046

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 30/7

11:20-10:45

2 stops35h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 6/8

11:55-14:05

3 stops38h 10m

£2,206

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 13/8

17:20-10:45

2 stops29h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 20/8

11:55-14:05

3 stops38h 10m

£2,253

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 30/7

09:30-10:45

3 stops37h 15m

Nuku‘alofa Fua'Amotu Intl

Thu 6/8

11:55-13:15

3 stops37h 20m

£3,115
Cheapest one-way

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 28/10

19:45-10:55

2 stops50h 10m

£655

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 28/10

21:00-01:45

3 stops39h 45m

£752

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 27/10

21:00-01:50

3 stops39h 50m

£770

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 24/10

22:05-15:55

3 stops53h 50m

£773

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Cheap London to Tonga flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Tonga

Fastest flight time

37h 35m

Direct flights

None
The fastest flight from London to Tonga takes 37h 35m
There are no direct flights from London to Tonga. There are no popular flight routes from London to Tonga.
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Frequently asked questions about flying from London to Tonga

  • When did momondo last update prices for flights from London to Tonga?

    Prices for flights from London to Tonga were last updated today.

  • How many operators does momondo search for flights from London to Tonga?

  • How old do you have to be to fly from London to Tonga?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Tonga.

  • What documentation or ID do you need to fly to Tonga?

    The necessary travel and health documents for your Tonga trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Tonga

Compare and see reviews for airlines that fly from London to Tonga with momondo
Airline
Rating
Free Cancellation
Price
Air New ZealandPriceFrom £1,273Free CancellationRating
8.0
649 reviews
Search Air New Zealand flights

Frequently asked questions about flying from London to Tonga

  • How do I get Price Alerts for flights from London to Tonga?

    Confirm your travel details to search for the latest offers for flights from London to Tonga. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from London to Tonga with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from London to Tonga?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Tonga for you.

Can I find flights from London to Tonga with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Tonga from London with this policy.

How can momondo help me find flights from London to Tonga?

momondo helps you find the best flight between London and Tonga by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Tonga right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tonga from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Tonga trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Tonga

Popular Cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom £1,632