HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tongatapu

$1,975+ Cheap flights from Houston 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TBU
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Tongatapu with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Houston to Tongatapu

Cheapest flights from Houston to Tongatapu
Explore the most affordable flight options available from Houston to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Priceline deal was found by Cheapflights users on 2/11. 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.
Fri 3/207:50 pm
IAH
-
TBU
2 stops54h 30m
Air New Zealand
Wed 3/251:10 pm
TBU
-
IAH
2 stops27h 21m
Air New Zealand
Deal found 2/11$1,975
This Mytrip deal was found by Cheapflights users on 2/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:45 pm
IAH
-
TBU
2 stops55h 35m
Multiple Airlines
Wed 3/2511:20 am
TBU
-
IAH
3 stops36h 32m
Multiple Airlines
Deal found 2/11$2,602

Find flight deals from Houston to Tongatapu

Keep the following information in mind while searching for Houston to Tongatapu flight deals. Data was last updated February 13, 2026.

Round-trip from

$1,975
(Priceline)
From Houston to Tongatapu
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Tongatapu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Houston to Tongatapu that are best for you.

Fly from

Houston

Fly to

Tongatapu

Route

Depart

Return

Price

HoustonNuku‘alofa

IAH - TBU

IAHTBU

Houston George Bush Intcntl

Fri 3/20

7:50 pm-8:20 pm

2 stops54h 30m

Nuku‘alofa Fua'Amotu Intl

Wed 3/25

1:10 pm-10:31 pm

2 stops27h 21m

$1,975

HoustonNuku‘alofa

IAH - TBU

IAHTBU

Houston George Bush Intcntl

Fri 3/20

6:45 pm-8:20 pm

2 stops55h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 3/25

11:20 am-5:52 am

3 stops36h 32m

$2,602

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Best time to book a flight from Houston to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu 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 Tongatapu
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Houston to Tongatapu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to Tongatapu?

    Airlines like Air New Zealand fly from Houston to Tongatapu in about 54h 30m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 6365 mi.

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

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

  • How can I find direct flights from Houston to Tongatapu?

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

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

    Yes. Cheapflights offers flight deals from Houston 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Nuku‘alofa flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.