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Cheap flights from London to Tonga from £1,573

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.
LON — TBU
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£1,573
30/8-2/10
  • 30/8-2/10
  • 6 total stops
  • 83h 00m total
  • London to Tonga

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 11 July 2025.

Sat 30/809:30LHR - TBU
3 stops37h 40mMultiple Airlines
Thu 2/1011:20TBU - LHR
3 stops45h 20mMultiple Airlines
Deal found 11/7£1,573
Sun 7/909:25LHR - TBU
2 stops37h 45mSingapore Airlines
Wed 8/1013:35TBU - LHR
2 stops38h 10mSingapore Airlines
Deal found 11/7£1,578
Sun 31/813:05LHR - TBU
2 stops34h 05mAir New Zealand
Sat 27/912:20TBU - LHR
2 stops34h 50mAir New Zealand
Deal found 11/7£1,665

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 11 July 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

Sat 30/8

09:30-11:10

3 stops37h 40m

Nuku‘alofa Fua'Amotu Intl

Thu 2/10

11:20-20:40

3 stops45h 20m

£1,573

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sun 7/9

09:25-11:10

2 stops37h 45m

Nuku‘alofa Fua'Amotu Intl

Wed 8/10

13:35-15:45

2 stops38h 10m

£1,578

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sun 31/8

13:05-11:10

2 stops34h 05m

Nuku‘alofa Fua'Amotu Intl

Sat 27/9

12:20-11:10

2 stops34h 50m

£1,665

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 24/7

16:55-16:25

2 stops35h 30m

£3,422

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 24/7

08:30-16:25

3 stops43h 55m

£3,754

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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 11 July 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 11 July 2025.
Read through reviews of airlines operating flights from London to Tonga, such as Singapore Airlines, Fiji Airways, andAir New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.7

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Food

7.7

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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

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