$622 Cheap Flights from Denver (DEN) to Nuku'alofa (TBU)

View $622 flight on Tue, Sep 29, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Nuku'alofa (TBU-Fua'amotu Intl.)

Cheap Flights from Denver to Nuku'alofa (DEN-TBU)

Prices were available within the past 7 days and start at $622 for one-way flights and $1,222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 13 - Tue, Jan 20
DEN
Denver
TBU
Tongatapu Island
$1,222 Roundtrip, found 6 days ago
$1,222
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Jan 13 from Denver to Tongatapu Island, returning Tue, Jan 20, priced at $1,222 found 6 days ago
American Airlines
Thu, Jan 15 - Tue, Jan 20
DEN
Denver
TBU
Tongatapu Island
$1,229 Roundtrip, found 6 days ago
$1,229
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 15 from Denver to Tongatapu Island, returning Tue, Jan 20, priced at $1,229 found 6 days ago
American Airlines
Thu, Mar 19 - Thu, Mar 26
DEN
Denver
TBU
Tongatapu Island
$1,258 Roundtrip, found 1 day ago
$1,258
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Mar 19 from Denver to Tongatapu Island, returning Thu, Mar 26, priced at $1,258 found 1 day ago
Fiji Airways
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
TBU
Tongatapu Island
$1,297 Roundtrip, found 3 days ago
$1,297
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Tue, Aug 18 from Denver to Tongatapu Island, returning Mon, Aug 31, priced at $1,297 found 3 days ago
Fiji Airways
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
TBU
Tongatapu Island
$1,306 Roundtrip, found 3 days ago
$1,306
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Tue, Aug 18 from Denver to Tongatapu Island, returning Mon, Aug 31, priced at $1,306 found 3 days ago
Fiji Airways
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
TBU
Tongatapu Island
$1,319 Roundtrip, found 3 days ago
$1,319
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Tue, Aug 18 from Denver to Tongatapu Island, returning Mon, Aug 31, priced at $1,319 found 3 days ago
Fiji Airways
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
TBU
Tongatapu Island
$1,328 Roundtrip, found 3 days ago
$1,328
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Tue, Aug 18 from Denver to Tongatapu Island, returning Mon, Aug 31, priced at $1,328 found 3 days ago
Fiji Airways
Tue, Aug 18 - Mon, Aug 31
DEN
Denver
TBU
Tongatapu Island
$1,341 Roundtrip, found 3 days ago
$1,341
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Tue, Aug 18 from Denver to Tongatapu Island, returning Mon, Aug 31, priced at $1,341 found 3 days ago
Alaska Airlines
Sat, Mar 21 - Thu, Mar 26
DEN
Denver
TBU
Tongatapu Island
$1,579 Roundtrip, found 1 day ago
$1,579
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Mar 21 from Denver to Tongatapu Island, returning Thu, Mar 26, priced at $1,579 found 1 day ago
Air New Zealand
Sun, Dec 28 - Wed, Dec 31
DEN
Denver
TBU
Tongatapu Island
$3,591 Roundtrip, found 23 hours ago
$3,591
Roundtrip
found 23 hours ago
Select Air New Zealand flight, departing Sun, Dec 28 from Denver to Tongatapu Island, returning Wed, Dec 31, priced at $3,591 found 23 hours 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 $2,214
TBU
Fua'amotu Intl.
Cheapest
Flights from $2,214
Flights from Denver (DEN) to Nuku'alofa (TBU)
Origin airport
Denver Intl.
Destination airport
Fua'amotu Intl.
Airlines serving
Air New Zealand, Fiji Airways
Roundtrip price
$1,222
Distance
6190 mi

Denver to Nuku'alofa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to Nuku'alofa in 2026. You can also book with separate airlines for your outbound and return journeys, from $622 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 Denver 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 Denver 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 Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU) cost?
Lock in a cheap one-way flight from $622 or cheap return flight from $1,222 from Denver Intl. Airport (DEN) 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 Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU)?
January is the least expensive month to fly from DEN to TBU. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from DEN to TBU. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU)?
Direct flights from Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to TBU?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier 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 Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU) last-minute?
Booking your flight from DEN to TBU shortly before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a DEN to TBU flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to TBU flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Fua'amotu Intl. Airport (TBU)?
If you reserved your DEN to TBU flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.