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Cheap flights from London to Tonga from £1,461

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TBU
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from London to Tonga

Keep the following information in mind while searching for London to Tonga flight deals. Data was last updated 17 September 2025.

Round-trip from

£1,498

Popular in

December

Cheapest in

March

Average price

£1,433
16/10-23/10
  • 16/10-23/10
  • 4 total stops
  • 81h 10m total
  • London to Tonga
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£642 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from London to Tonga

Cheapest flights from London to Tonga
Explore the most affordable flight options available from London to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Tue 14/1011:40LHR - TBU
2 stops34h 30mMultiple Airlines
Tue 21/1011:20TBU - LHR
2 stops35h 05mMultiple Airlines
Deal found 14/9£1,461
Thu 16/1009:25LHR - TBU
2 stops36h 45mMultiple Airlines
Thu 23/1011:20TBU - LHR
2 stops44h 25mMultiple Airlines
Deal found 16/9£1,498

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from London to Tonga that are best for you.

Fly from

London

Fly to

Tonga

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 14/10

11:40-10:10

2 stops34h 30m

Nuku‘alofa Fua'Amotu Intl

Tue 21/10

11:20-10:25

2 stops35h 05m

£1,461

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 16/10

09:25-10:10

2 stops36h 45m

Nuku‘alofa Fua'Amotu Intl

Thu 23/10

11:20-19:45

2 stops44h 25m

£1,498

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Best time to book a flight from London to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from London 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 to Tonga

What is the cheapest time of day to fly from LON to TO?

Find hourly flight availability from London to Tonga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

When flying from London to Tonga, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 17 September 2025.
Read through reviews of airlines operating flights from London to Tonga, such as Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air New Zealand
8.0
Very Good
505 reviews
Air New Zealand
8.0
Very Good
505 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

Find useful and relevant information for your journey from London to Tonga. 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 London to Tonga that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

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Top airline flying from London to Tonga

Discover the top airline that operate flights from London 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,210Average£1,329FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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

Deals for London to Tonga flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Tonga for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from London to Tonga with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from London to Tonga on Cheapflights with our Price Alert feature and get notified when better prices are available.

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