How long is the flight from Houston to Tonga?

For as low as $1,123, Fiji Airways can have you in Tonga from Houston in 20h 07m. There are 6365 mi between Houston and Tonga. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Tonga 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 Tonga when rainfall is around 3.7 in.

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 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 HOU to TO?

When flying from Houston 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.

Can I find deals for flights from Houston to Tonga that include hotel bookings?

Yes. In addition to deals on Houston to Tonga flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to Tonga?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Tonga.

Can I find deals for business class flights from Houston to Tonga?

Yes. Cheapflights offers flight deals from Houston 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.

$1,123+ Flights from Houston to Tonga

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Cheap flight deals from Houston to Tonga

Round-trip from	$1,123 (Fiji Airways)

From Houston to Tonga

Search Deals

Find flight deals from Houston to Tonga

Best flights from Houston to Tonga
Discover carefully curated flight deals from Houston to Tonga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2025.

Sat 4/188:28 pmIAH - TBU

2 stops20h 07mFiji Airways

Tue 4/215:00 amTBU - IAH

2 stops33h 02mFiji Airways

Deal found 11/17

$1,123

Sat 2/1412:30 pmIAH - TBU

2 stops36h 50mAir New Zealand

Wed 2/181:10 pmTBU - IAH

1 stop19h 55mAir New Zealand

Deal found 11/19

$2,354

Fly from

Fly to

Route

Depart

Return

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

$1,123

HoustonNuku‘alofa

IAH - TBU

IAHTBU

Houston George Bush Intcntl

Sat 2/14

12:30 pm-8:20 pm

2 stops36h 50m

Nuku‘alofa Fua'Amotu Intl

Wed 2/18

1:10 pm-2:05 pm

1 stop19h 55m

$2,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Best time to book a flight from Houston to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from Houston 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 Houston to Tonga

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Houston to Tonga?
For as low as $1,123, Fiji Airways can have you in Tonga from Houston in 20h 07m. There are 6365 mi between Houston and Tonga. This flight may include one or multiple stops.
Can I find deals for flights from Houston to Tonga that include hotel bookings?
Yes. In addition to deals on Houston to Tonga flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Houston to Tonga?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Tonga.
Can I find deals for business class flights from Houston to Tonga?
Yes. Cheapflights offers flight deals from Houston 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.

See more FAQs

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$1,123+ Cheap flights from Houston to Tonga

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.