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Cheap flights from London to Tonga from £1,342

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TBU
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Round-trip from

£1,342
23/9-30/9
  • 23/9-30/9
  • 4 total stops
  • 74h 00m total
  • London to Tonga
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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 27 August 2025.

Tue 23/914:30LHR - TBU
2 stops32h 05mMultiple Airlines
Tue 30/911:20TBU - LHR
2 stops41h 55mMultiple Airlines
Deal found 26/8£1,342
Sat 30/813:35LHR - TBU
2 stops33h 35mMultiple Airlines
Thu 2/1011:20TBU - LHR
2 stops37h 00mMultiple Airlines
Deal found 25/8£1,668
Sun 31/816:25LHR - TBU
2 stops30h 45mAir New Zealand
Sat 27/912:20TBU - LHR
2 stops34h 50mAir New Zealand
Deal found 26/8£1,941
Tue 2/920:35LHR - TBU
2 stops50h 35mSingapore Airlines
Fri 3/1011:20TBU - LHR
2 stops68h 10mSingapore Airlines
Deal found 25/8£2,514
Wed 27/811:25LHR - TBU
2 stops35h 45mSingapore Airlines
Sat 4/1011:20TBU - LHR
2 stops44h 10mSingapore Airlines
Deal found 25/8£2,517
Mon 1/911:25LHR - TBU
2 stops35h 45mSingapore Airlines
Fri 3/1011:20TBU - LHR
2 stops56h 25mSingapore Airlines
Deal found 25/8£2,635
Thu 28/820:50LHR - TBU
2 stops31h 35mMultiple Airlines
Sat 4/1017:20TBU - LHR
2 stops49h 40mMultiple Airlines
Deal found 25/8£2,659

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 27 August 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 23/9

14:30-10:35

2 stops32h 05m

Nuku‘alofa Fua'Amotu Intl

Tue 30/9

11:20-17:15

2 stops41h 55m

£1,342

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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 27 August 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 27 August 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

Comfort

8.0

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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

Comfort

8.0

Entertainment

7.4

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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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