$644 Cheap Flights from Phoenix (PHX) to Nuku'alofa (TBU)

View $644 flight on Tue, Sep 8, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Nuku'alofa (TBU-Fua'amotu Intl.)

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Cheap Flights from Phoenix to Nuku'alofa (PHX-TBU)

Prices were available within the past 7 days and start at $644 for one-way flights and $1,184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 13 - Thu, Feb 26
PHX
Phoenix
TBU
Tongatapu Island
$1,184 Roundtrip, found 1 day ago
$1,184
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Feb 13 from Phoenix to Tongatapu Island, returning Thu, Feb 26, priced at $1,184 found 1 day ago
American Airlines
Sat, Feb 7 - Thu, Feb 26
PHX
Phoenix
TBU
Tongatapu Island
$1,197 Roundtrip, found 1 day ago
$1,197
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 7 from Phoenix to Tongatapu Island, returning Thu, Feb 26, priced at $1,197 found 1 day ago
American Airlines
Thu, Feb 12 - Thu, Feb 26
PHX
Phoenix
TBU
Tongatapu Island
$1,200 Roundtrip, found 1 day ago
$1,200
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 12 from Phoenix to Tongatapu Island, returning Thu, Feb 26, priced at $1,200 found 1 day ago
American Airlines
Fri, Feb 13 - Sat, Feb 21
PHX
Phoenix
TBU
Tongatapu Island
$1,206 Roundtrip, found 1 day ago
$1,206
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Feb 13 from Phoenix to Tongatapu Island, returning Sat, Feb 21, priced at $1,206 found 1 day ago
American Airlines
Sat, Feb 7 - Sat, Feb 21
PHX
Phoenix
TBU
Tongatapu Island
$1,218 Roundtrip, found 1 day ago
$1,218
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 7 from Phoenix to Tongatapu Island, returning Sat, Feb 21, priced at $1,218 found 1 day ago
American Airlines
Thu, Feb 12 - Sat, Feb 21
PHX
Phoenix
TBU
Tongatapu Island
$1,222 Roundtrip, found 1 day ago
$1,222
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Feb 12 from Phoenix to Tongatapu Island, returning Sat, Feb 21, priced at $1,222 found 1 day ago
American Airlines
Wed, Feb 11 - Thu, Feb 26
PHX
Phoenix
TBU
Tongatapu Island
$1,239 Roundtrip, found 1 day ago
$1,239
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 11 from Phoenix to Tongatapu Island, returning Thu, Feb 26, priced at $1,239 found 1 day ago
American Airlines
Fri, Feb 13 - Fri, Feb 27
PHX
Phoenix
TBU
Tongatapu Island
$1,248 Roundtrip, found 1 day ago
$1,248
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Feb 13 from Phoenix to Tongatapu Island, returning Fri, Feb 27, priced at $1,248 found 1 day ago
Fiji Airways
Tue, Sep 8 - Sat, Sep 19
PHX
Phoenix
TBU
Tongatapu Island
$1,304 Roundtrip, found 18 hours ago
$1,304
Roundtrip
found 18 hours ago
Select Fiji Airways flight, departing Tue, Sep 8 from Phoenix to Tongatapu Island, returning Sat, Sep 19, priced at $1,304 found 18 hours ago
Air New Zealand
Wed, Feb 11 - Mon, Feb 23
PHX
Phoenix
TBU
Tongatapu Island
$1,404 Roundtrip, found 1 day ago
$1,404
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Wed, Feb 11 from Phoenix to Tongatapu Island, returning Mon, Feb 23, priced at $1,404 found 1 day ago

Alternative airports near Fua'amotu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Fua'amotu Intl. TBU. Cheapest option available. Flights from $2,088
TBU
Fua'amotu Intl.
Cheapest
Flights from $2,088
Flights from Phoenix (PHX) to Nuku'alofa (TBU)
Origin airport
Sky Harbor Intl.
Destination airport
Fua'amotu Intl.
Airlines serving
Air New Zealand, Fiji Airways
Roundtrip price
$1,183
Distance
5614 mi

Phoenix to Nuku'alofa Flights

The cheapest times to fly from Phoenix 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 Phoenix to Nuku'alofa are during the month of February. You can find some of the cheapest flights from Phoenix to Nuku'alofa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Nuku'alofa

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Nuku'alofa in 2026. You can also book with separate airlines for your outbound and return journeys, from $644 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 Phoenix 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 Phoenix 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.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU) cost?
Snag a cheap one-way flight from $644 or cheap return flight from $1,184 from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU)?
February is the cheapest month to fly from PHX to TBU. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU)?
To find the cheapest airline flying from PHX to TBU, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU)?
You'll need to take a flight with a layover if you're traveling from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PHX to TBU?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU)?
To reach Fua'amotu Intl. Airport (TBU) on schedule, book a flight that leaves Sky Harbor Intl. Airport (PHX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU) last-minute?
Last-minute bookings from PHX to TBU are typically more expensive. To secure the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, you may score a cheap ticket just before your departure.
Is it cheaper to book a PHX to TBU flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to TBU flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Fua'amotu Intl. Airport (TBU)?
Typically, you can cancel or modify your PHX to TBU flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.