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Cheap flights from London Heathrow Airport to Tonga from £671

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 Heathrow Airport to Tonga departing on 26/11. 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

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17:30 - 10:35LHR-TBU
29h 05m2 stops
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16:25 - 14:35TBU-LHR
34h 10m2 stops
£1,331
Find Deal
토, 4 10월 - 토, 11 10월
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18:20 - 10:35LHR-TBU
28h 15m2 stops
Logo
05:40 - 06:35TBU-LHR
36h 55m3 stops
£7,649
Find Deal
토, 4 10월 - 토, 11 10월

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 5 9월 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

토 4/10

17:30-10:35

2 stops29h 05m

Nuku‘alofa Fua'Amotu Intl

토 11/10

16:25-14:35

2 stops34h 10m

£1,331

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

토 4/10

18:20-10:35

2 stops28h 15m

Nuku‘alofa Fua'Amotu Intl

토 11/10

05:40-06:35

3 stops36h 55m

£7,649

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

수 26/11

21:00-15:45

3 stops53h 45m

£671

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

수 26/11

21:00-10:10

2 stops48h 10m

£701

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 £1,559. 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 £1,993.

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 £1,765. 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 £1,849.

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

Direct flights

None
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 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.

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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1 adult
수 10/9
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Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom £1,331