R39 156+ Cheap flights to Tonga
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Tonga in 2025
Find the latest flights to Tonga in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 24 August 2025.
Find flight deals to Tonga
Cheapest flights to TongaExplore the most affordable flight options available to Tonga. Find the lowest fares based on data from user searches, with prices last updated on 24 August 2025.
Explore the most affordable flight options available to Tonga. Find the lowest fares based on data from user searches, with prices last updated on 24 August 2025.
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Fly from
Route
Depart
Return
Price
JohannesburgNuku‘alofa
JNB - TBU
JNBTBU
Johannesburg OR Tambo
Sun 23/11
13:40-10:10
2 stops33h 30m
Nuku‘alofa Fua'Amotu Intl
Tue 25/11
21:35-6:10
2 stops43h 35m
Best time to book a flight to Tonga
Have a flexible travel schedule? Discover the best time to fly to Tonga with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Tonga
How long is the flight to Tonga?
On average, a flight from Johannesburg to Tonga takes 33 hours 30 minutes. Flights to Tonga from other popular cities in South Africa will vary in length. Below are a few examples of popular routes and their flight times.
Rainfall in Tonga by month
Plan your trip to Tonga by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Tonga ranges from 95.0 - 210.0 mm per month. February is typically the wettest month, when rainfall can reach 210.0 mm. June is typically the driest time to visit Tonga when rainfall is around 95.0 mm.
Temperature in Tonga by month
Plan your trip to Tonga by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Tonga, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 22.0 C).
FAQs about flying to Tonga
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Can Cheapflights find flights to Tonga with no change fees?
Yes, we can. To see specific flights to Tonga with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights to Tonga become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Tonga today and book when you’re ready!