$661 Cheap Flights from San Diego (SAN) to Nuku'alofa (TBU)

View $661 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Nuku'alofa (TBU-Fua'amotu Intl.)

Cheap Flights from San Diego to Nuku'alofa (SAN-TBU)

Prices were available within the past 7 days and start at $661 for one-way flights and $1,345 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 20 - Tue, Feb 3
SAN
San Diego
TBU
Tongatapu Island
$1,345 Roundtrip, found 1 day ago
$1,345
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jan 20 from San Diego to Tongatapu Island, returning Tue, Feb 3, priced at $1,345 found 1 day ago
Alaska Airlines
Tue, Jan 20 - Tue, Feb 3
SAN
San Diego
TBU
Tongatapu Island
$1,378 Roundtrip, found 1 day ago
$1,378
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jan 20 from San Diego to Tongatapu Island, returning Tue, Feb 3, priced at $1,378 found 1 day ago
Fiji Airways
Wed, Jan 21 - Wed, Feb 4
SAN
San Diego
TBU
Tongatapu Island
$1,393 Roundtrip, found 1 day ago
$1,393
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Wed, Jan 21 from San Diego to Tongatapu Island, returning Wed, Feb 4, priced at $1,393 found 1 day ago
Air New Zealand
Thu, Jan 22 - Wed, Feb 4
SAN
San Diego
TBU
Tongatapu Island
$1,394 Roundtrip, found 1 day ago
$1,394
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Thu, Jan 22 from San Diego to Tongatapu Island, returning Wed, Feb 4, priced at $1,394 found 1 day ago
Fiji Airways
Wed, Jan 21 - Sat, Jan 31
SAN
San Diego
TBU
Tongatapu Island
$1,414 Roundtrip, found 1 day ago
$1,414
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Wed, Jan 21 from San Diego to Tongatapu Island, returning Sat, Jan 31, priced at $1,414 found 1 day ago
Air New Zealand
Thu, Jan 22 - Mon, Feb 2
SAN
San Diego
TBU
Tongatapu Island
$1,416 Roundtrip, found 1 day ago
$1,416
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Thu, Jan 22 from San Diego to Tongatapu Island, returning Mon, Feb 2, priced at $1,416 found 1 day ago
Air New Zealand
Wed, Jan 21 - Mon, Feb 2
SAN
San Diego
TBU
Tongatapu Island
$1,422 Roundtrip, found 1 day ago
$1,422
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Wed, Jan 21 from San Diego to Tongatapu Island, returning Mon, Feb 2, priced at $1,422 found 1 day ago
Fiji Airways
Wed, Jan 21 - Thu, Feb 5
SAN
San Diego
TBU
Tongatapu Island
$1,424 Roundtrip, found 1 day ago
$1,424
Roundtrip
found 1 day ago
Select Fiji Airways flight, departing Wed, Jan 21 from San Diego to Tongatapu Island, returning Thu, Feb 5, priced at $1,424 found 1 day ago
American Airlines
Thu, Jan 22 - Fri, Feb 6
SAN
San Diego
TBU
Tongatapu Island
$1,428 Roundtrip, found 1 day ago
$1,428
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 22 from San Diego to Tongatapu Island, returning Fri, Feb 6, priced at $1,428 found 1 day ago
Delta
Mon, Jan 19 - Fri, Feb 6
SAN
San Diego
TBU
Tongatapu Island
$1,464 Roundtrip, found 1 day ago
$1,464
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 19 from San Diego to Tongatapu Island, returning Fri, Feb 6, priced at $1,464 found 1 day ago

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU) cost?
Grab a cheap one-way flight from $661 or cheap return flight from $1,345 from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU)?
The cheapest month to fly from SAN to TBU is January, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SAN to TBU flight.
How many flights per day from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU)?
There are no daily nonstop flights from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SAN to TBU?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU)?
To avoid possible delays on the San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU) last-minute?
Waiting until right before your break to book a ticket from SAN to TBU generally means paying more. While you may come across some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a SAN to TBU flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAN to TBU flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Fua'amotu Intl. Airport (TBU)?
In most cases, you're able to reschedule or cancel your SAN to TBU flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Origin airport
San Diego Intl.
Destination airport
Fua'amotu Intl.
Roundtrip price
$1,345
Distance
5339 mi

Book with confidence

San Diego to Nuku'alofa Flights

The cheapest times to fly from San Diego to Nuku'alofa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Nuku'alofa are during the month of January. You can find some of the cheapest flights from San Diego to Nuku'alofa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Nuku'alofa

Sunday is one of the best days to book for cheap flights from San Diego to Nuku'alofa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Nuku'alofa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Nuku'alofa in 2025. You can also book with separate airlines for your outbound and return journeys, from $661 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Nuku'alofa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Nuku'alofa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to Nuku'alofa Flights
*Available to One Key members.