$2,761+ Cheap flights from Dallas to Tongatapu
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — TBU
Apr 29 — May 61
1 adult, Economy
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Cheapest flights from Dallas to TongatapuExplore the most affordable flight options available from Dallas to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.
Explore the most affordable flight options available from Dallas to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.
This Priceline deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:55 amDFW - TBU
2 stops31h 15mMultiple Airlines
Fri 4/255:50 pmTBU - DFW
2 stops21h 05mMultiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$2,761
Best time to book a flight from Dallas to Tongatapu
Have a flexible travel schedule? Discover the best time to fly to Tongatapu from Dallas with our price prediction graph.
Estimated round-trip 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 Dallas to Tongatapu
What is the cheapest time of day to fly from DFW to TT?
Find hourly flight availability from Dallas to Tongatapu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.
When flying from Dallas to Tongatapu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Tongatapu by month
Plan your trip to Tongatapu by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Tongatapu ranges from 3.7 - 8.3 inches per month. February is typically the wettest month, when rainfall can reach 8.3 in. June is typically the driest time to visit Tongatapu when rainfall is around 3.7 in.
Temperature in Tongatapu by month
Plan your trip to Tongatapu by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Tongatapu, 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 80.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 71.6 F).