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Cheap flights from London Heathrow Airport to Tonga from £1,594

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Tonga departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Tonga

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:40 - 20:20
LHR
-
TBU
61h 40m2 stops
Multiple Airlines Logo
11:20 - 17:50
TBU
-
LHR
67h 30m2 stops
£1,594Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
22:00 - 10:35
LHR
-
TBU
47h 35m3 stops
Multiple Airlines Logo
05:40 - 18:35
TBU
-
LHR
49h 55m3 stops
£1,918Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
Multiple Airlines Logo
20:10 - 10:35
LHR
-
TBU
49h 25m3 stops
Multiple Airlines Logo
11:20 - 07:25
TBU
-
LHR
33h 05m2 stops
£3,154Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan

Singapore Airlines flights from London Heathrow Airport to Tonga

Our best Singapore Airlines deals on London Heathrow Airport to Tonga flight tickets
Singapore Airlines
4 May
LHR11:25London Heathrow
39h 45m
2 stops
TBU15:10Nuku‘alofa Fua'Amotu Intl
13 May
TBU16:25Nuku‘alofa Fua'Amotu Intl
35h 20m
2 stops
LHR15:45London Heathrow
£1,726
Find similar
Singapore Airlines
4 May
LHR09:25London Heathrow
41h 45m
2 stops
TBU15:10Nuku‘alofa Fua'Amotu Intl
14 May
TBU11:55Nuku‘alofa Fua'Amotu Intl
63h 50m
2 stops
LHR15:45London Heathrow
£1,743
Find similar
Singapore Airlines
28 Apr
LHR09:25London Heathrow
37h 20m
2 stops
TBU10:45Nuku‘alofa Fua'Amotu Intl
14 May
TBU11:55Nuku‘alofa Fua'Amotu Intl
39h 50m
2 stops
LHR15:45London Heathrow
£1,759
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 17 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 23/1

17:40-20:20

2 stops61h 40m

Nuku‘alofa Fua'Amotu Intl

Fri 30/1

11:20-17:50

2 stops67h 30m

£1,594

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 23/1

22:00-10:35

3 stops47h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 30/1

05:40-18:35

3 stops49h 55m

£1,918

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 23/1

20:10-10:35

3 stops49h 25m

Nuku‘alofa Fua'Amotu Intl

Fri 30/1

11:20-07:25

2 stops33h 05m

£3,154

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Tonga from

How to get the cheapest flight ticket from London Heathrow Airport to Tonga

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Tonga?

The cheapest day to depart on your flight to Tonga is on a Monday when prices can be found for as low as £1,563. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Tonga on Wednesday is £1,997.

What is the cheapest time of day to depart on your flight to Tonga?

At midday is the cheapest time of day to fly from London Heathrow Airport to Tonga when you can find flight prices for as low as £1,769. Flying to Tonga at midday is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of £1,853.

Cheap London Heathrow Airport to Tonga flight deals and tips

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

Fastest flight time

49h 10m

Direct flights

None
The fastest flight from London Heathrow Airport to Tonga takes 49h 10m
There are no direct flights from London Heathrow Airport to Tonga. There are no popular flight routes from London Heathrow Airport to Tonga.
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  • When did momondo last update prices for flights from London Heathrow Airport to Tonga?

    Prices for flights from London Heathrow Airport to Tonga are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Tonga.

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

    The required travel and health documents for your Tonga trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tonga. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Tonga

Compare and see reviews for airlines that fly from London Heathrow Airport to Tonga with momondo
Airline
Rating
Free Cancellation
Price
Air New ZealandPriceFrom £1,231Free CancellationRating
8.0
552 reviews
Search Air New Zealand flights

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?

momondo does allow users to show only those flights to Tonga from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Tonga from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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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 £1,445