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Cheap flights from the United Kingdom to Tonga from £1,985

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from United Kingdom to Tonga

Enter your travel dates to find the best prices.

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

Sat 29/1121:45LHR - TBU
2 stops33h 35mMultiple Airlines
Sat 6/1214:50TBU - LHR
2 stops33h 05mMultiple Airlines
Deal found 15/10£1,985
Sat 18/1013:05LHR - TBU
2 stops33h 05mAir New Zealand
Sat 25/1011:20TBU - LHR
2 stops39h 10mAir New Zealand
Deal found 17/10£2,177
Sat 18/1006:30LHR - TBU
3 stops39h 40mMultiple Airlines
Sat 25/1011:20TBU - LHR
3 stops44h 55mMultiple Airlines
Deal found 17/10£2,412

Cheap flight deals from United Kingdom to Tonga

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

Round-trip from

£1,985
29/11-6/12
  • 29/11-6/12
  • 4 total stops
  • 66h 40m total
  • United Kingdom to Tonga
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Tonga that are best for you.

Fly from

United Kingdom

Fly to

Tonga

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 29/11

21:45-20:20

2 stops33h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 6/12

14:50-10:55

2 stops33h 05m

£1,985

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Best time to book a flight from United Kingdom to Tonga

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

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

Find hourly flight availability from United Kingdom 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 October 2025.

One of the essential ways to save on airfare from United Kingdom to Tonga is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 44% on airfare.

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 October 2025.
Read through reviews of airlines operating flights from the United Kingdom 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
515 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.4

Boarding

8.2

Crew

8.5

Entertainment

7.5

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
515 reviews
Air New Zealand
8.0
Very Good
515 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.4

Boarding

8.2

Crew

8.5

Entertainment

7.5

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 United Kingdom 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 United Kingdom to Tonga that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to Tonga?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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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Can Cheapflights find flights from United Kingdom to Tonga with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Tonga, users can toggle the no change fees filter when performing a flight search.

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