The best pricing can be found in the month of March. Prices to Tonga from London Heathrow Airport average £1,988. You can even find prices in March for less than £1,988, as users have found deals to Tonga from as low as £1,397. The month of December appears to be one of the more expensive times to travel to Tonga from London Heathrow Airport. Flying in the targeted month can save you up to 41%.
When flying from London Heathrow Airport 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.
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