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Cheap flights from the United Kingdom to Tonga from £1,649

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
27 Aug — 3 Sep1
1 adult

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 22 August 2025.

Round-trip from

£2,416
Singapore Airlines
  • Singapore Airlines
  • 2/9-4/10
  • 4 total stops
  • 91h 00m total
  • United Kingdom to Tonga
Search Deals

Find flight deals from United Kingdom to Tonga

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 22 August 2025.

Sat 30/811:40LHR - TBU
2 stops35h 30mMultiple Airlines
Thu 2/1011:20TBU - LHR
2 stops37h 00mMultiple Airlines
Deal found 21/8£1,649
Sun 31/816:25LHR - TBU
2 stops30h 45mAir New Zealand
Sat 27/912:20TBU - LHR
2 stops34h 50mAir New Zealand
Deal found 21/8£1,948
Thu 28/821:20LHR - TBU
2 stops31h 05mMultiple Airlines
Sat 4/1017:20TBU - LHR
2 stops49h 40mMultiple Airlines
Deal found 20/8£2,006
Sun 31/821:20LHR - TBU
2 stops31h 05mMultiple Airlines
Tue 30/911:20TBU - LHR
2 stops35h 05mMultiple Airlines
Deal found 21/8£2,032
Thu 28/821:20LHR - TBU
2 stops31h 05mMultiple Airlines
Tue 30/911:20TBU - LHR
2 stops35h 05mMultiple Airlines
Deal found 21/8£2,056
Sun 31/821:20LHR - TBU
2 stops31h 05mMultiple Airlines
Wed 1/1011:20TBU - LHR
2 stops33h 55mMultiple Airlines
Deal found 21/8£2,084

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 22 August 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

Tue 2/9

20:35-11:10

2 stops50h 35m

Nuku‘alofa Fua'Amotu Intl

Sat 4/10

11:20-15:45

2 stops40h 25m

£2,416

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 2/9

20:35-11:10

2 stops50h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 3/10

11:20-15:45

2 stops64h 25m

£2,416

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 2/9

20:35-11:10

2 stops50h 35m

Nuku‘alofa Fua'Amotu Intl

Mon 29/9

11:20-15:45

2 stops40h 25m

£2,416

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 2/9

20:35-11:10

2 stops50h 35m

Nuku‘alofa Fua'Amotu Intl

Thu 2/10

11:20-07:45

2 stops56h 25m

£2,416

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Tue 2/9

20:35-11:10

2 stops50h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 1/10

13:35-15:45

2 stops62h 10m

£2,417

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 1/9

11:25-11:10

2 stops35h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 4/10

11:20-19:30

2 stops44h 10m

£2,627

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 1/9

11:25-11:10

2 stops35h 45m

Nuku‘alofa Fua'Amotu Intl

Fri 3/10

11:20-15:45

2 stops64h 25m

£2,627

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 1/9

11:25-13:20

2 stops37h 55m

Nuku‘alofa Fua'Amotu Intl

Thu 2/10

11:20-15:45

2 stops64h 25m

£2,627

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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 22 August 2025.

When flying from United Kingdom 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 22 August 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
504 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.4

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

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.4

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.

  • How long is the flight from United Kingdom to Tonga?

    Departing from United Kingdom to Tonga will take you 50h 35m. The distance from United Kingdom to Tonga is about 10321 mi.

  • 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.

See more FAQs

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

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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.

Can Cheapflights notify me if prices for flights from United Kingdom to Tonga become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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