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.

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).

What is the cheapest time of day to fly from IAH to TT?

When flying from Houston George Bush Intcntl Airport 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.

Can I find deals for flights from George Bush Intcntl to Tongatapu that include hotel bookings?

Yes. In addition to deals on George Bush Intcntl to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from George Bush Intcntl to Tongatapu?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Tongatapu.

Can I find deals for business class flights from George Bush Intcntl to Tongatapu?

Yes. Cheapflights offers flight deals from George Bush Intcntl to Tongatapu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,178+ Cheap Flights from Houston George Bush Intcntl Airport to Tongatapu

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Cheapest flights from George Bush Intcntl to Tongatapu
Explore the most affordable flight options available from George Bush Intcntl to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Tue 11/46:28 pmIAH - TBU

2 stops25h 32mFiji Airways

Sat 11/85:00 amTBU - IAH

2 stops33h 15mFiji Airways

Deal found 10/26

$1,178

Tue 11/42:20 pmIAH - TBU

2 stops35h 00mAir New Zealand

Sat 11/89:35 pmTBU - IAH

1 stop35h 30mAir New Zealand

Deal found 10/27

$2,377

Best flights from George Bush Intcntl to Tongatapu
Discover carefully curated flight deals from George Bush Intcntl to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Sat 4/188:28 pmIAH - TBU

2 stops20h 07mFiji Airways

Tue 4/215:00 amTBU - IAH

2 stops33h 02mFiji Airways

Deal found 10/25

$1,192

Last-minute flights from George Bush Intcntl to Tongatapu
Discover last-minute flight deals from George Bush Intcntl to Tongatapu. Data last updated October 28, 2025 and is based on user searches.

Tue 11/46:28 pmIAH - TBU

2 stops25h 32mFiji Airways

Sat 11/85:00 amTBU - IAH

2 stops33h 15mFiji Airways

Deal found 10/26

$1,178

Tue 11/42:20 pmIAH - TBU

2 stops35h 00mAir New Zealand

Sat 11/89:35 pmTBU - IAH

1 stop35h 30mAir New Zealand

Deal found 10/27

$2,377

Cheap flight deals from George Bush Intcntl to Tongatapu

Round-trip from	$1,192 (Fiji Airways)

From Houston George Bush Intcntl to Tongatapu

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Price

HoustonNuku‘alofa

IAH - TBU

IAHTBU

Houston George Bush Intcntl

Sat 4/18

8:28 pm-10:35 am

2 stops20h 07m

Nuku‘alofa Fua'Amotu Intl

Tue 4/21

5:00 am-8:02 pm

2 stops33h 02m

$1,192

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Deals found on 10/25

Best time to book a flight from George Bush Intcntl to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from George Bush Intcntl with our price prediction graph.

Estimated round-trip price

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Everything you need to know about your flight from Houston George Bush Intcntl Airport to Tongatapu

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Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Tongatapu?
A quick flight from Houston George Bush Intcntl Airport to Tongatapu can take about 20h 07m. Fiji Airways provides one of the quickest options available for as low as $1,192. There are 6365 mi between Houston George Bush Intcntl Airport and Tongatapu.
Can I find deals for flights from George Bush Intcntl to Tongatapu that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Tongatapu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Tongatapu.
Can I find deals for business class flights from George Bush Intcntl to Tongatapu?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Tongatapu 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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