HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tongatapu

$2,335+ Cheap flights from San Diego (SAN) 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — TBU
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego 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.

Find flight deals from San Diego to Tongatapu

Cheapest flights from San Diego to Tongatapu
Explore the most affordable flight options available from San Diego to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Air New Zealand deal was found by Cheapflights users on 8/15. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:54 amSAN - TBU
2 stops28h 16mAir New Zealand
Tue 8/2612:20 pmTBU - SAN
2 stops31h 24mAir New Zealand
Deal found 8/15$2,335

Best time to book a flight from San Diego to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from San Diego 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 San Diego 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 San Diego to Tongatapu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Tongatapu?

    If you book a flight to Tongatapu from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

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

  • How can I find direct flights from San Diego to Tongatapu?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Nuku‘alofa flights
Los Angeles to Nuku‘alofa flights
San Jose to Nuku‘alofa flights
San Diego to Nuku‘alofa flights
Santa Rosa 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.