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.

$1,233+ Cheap Flights from Houston to Tonga

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Houston to Tonga 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 Tonga

Cheapest

Best

Cheapest flights from Houston to Tonga
Explore the most affordable flight options available from Houston to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

Sun 4/127:41 pm

IAH

TBU

2 stops20h 54m

Multiple Airlines

Sat 4/184:55 pm

TBU

IAH

2 stops25h 04m

Multiple Airlines

Deal found 2/14

$1,233

Find flight deals from Houston to Tonga

Round-trip from	$1,233 (Fiji Airways)

From Houston to Tonga

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HoustonNuku‘alofa

IAH - TBU

IAHTBU

Houston George Bush Intcntl

Sun 4/12

7:41 pm-10:35 am

2 stops20h 54m

Nuku‘alofa Fua'Amotu Intl

Sat 4/18

4:55 pm-11:59 pm

2 stops25h 04m

$1,233

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

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.

IAH-TBU

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

HO1-TO0

IAH-TBU

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

Related info for your journey

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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Top destinations

Top regions

Alternative routes for Houston to Tonga

Dallas/Fort Worth to Sydney flights

Dallas/Fort Worth to Melbourne flights

Dallas/Fort Worth to Auckland flights

Hobby to Melbourne flights

Hobby to Sydney flights

Hobby to Auckland flights

George Bush Intcntl to Auckland flights

Dallas/Fort Worth to Avalon flights

Dallas/Fort Worth to Brisbane flights

Dallas/Fort Worth to Nadi flights

George Bush Intcntl to Sydney flights

George Bush Intcntl to Melbourne flights

Love Field to Sydney flights

Hobby to Perth flights

Love Field to Auckland flights

Austin to Sydney flights

Hobby to Papeete flights

Austin to Melbourne flights

Austin to Auckland flights

Love Field to Melbourne flights

Austin to Brisbane flights

Hobby to Nadi flights

George Bush Intcntl to Nadi flights

George Bush Intcntl to Papeete flights

Dallas/Fort Worth to Papeete flights

Love Field to Brisbane flights

Dallas/Fort Worth to Tamuning flights

Hobby to Brisbane flights

Austin to Avalon flights

Dallas/Fort Worth to Vaitape flights

George Bush Intcntl to Perth flights

Austin to Wellington flights

Hobby to Christchurch flights

George Bush Intcntl to Brisbane flights

Austin to Tamuning flights

Dallas/Fort Worth to Christchurch flights

Dallas/Fort Worth to Cairns flights

Dallas/Fort Worth to Port Moresby flights

Dallas/Fort Worth to Suva flights

Dallas/Fort Worth to Adelaide flights

Dallas/Fort Worth to Queenstown flights

San Antonio to Tamuning flights

San Antonio to Melbourne flights

Hobby to Coolangatta flights

George Bush Intcntl to Christchurch flights

Austin to Papeete 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.

$1,233+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Houston to Tonga with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Houston to Tonga

Cheapest flights from Houston to TongaExplore the most affordable flight options available from Houston to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

Explore the most affordable flight options available from Houston to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

Best flights from Houston to TongaDiscover 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 February 15, 2026.

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 February 15, 2026.

Find flight deals from Houston to Tonga

Keep the following information in mind while searching for Houston to Tonga flight deals. Data was last updated February 15, 2026.

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston to Tonga that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Houston to Tonga

Related info for your journey

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

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

How can I find direct flights from Houston to Tonga?

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

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 Tonga

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Tonga by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Houston to Tonga by cabin class

Find flights from Houston to Tonga, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Houston and Tonga flights

Browse other Houston and Tonga flight options. Last updated on February 15, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Houston to Tonga flights

Consider these flights traveling from Houston to Tonga.

Fly to Tonga regions

Consider these flights traveling to Tonga regions.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Houston to Tonga
Explore the most affordable flight options available from Houston to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

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 February 15, 2026.