$668 Cheap Flights from Washington (DCA) to Nuku'alofa (TBU)

View $668 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Nuku'alofa (TBU-Fua'amotu Intl.)

Cheap Flights from Washington to Nuku'alofa (DCA-TBU)

Prices were available within the past 7 days and start at $668 for one-way flights and $1,248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 11 - Thu, Nov 20
DCA
Washington
TBU
Tongatapu Island
$1,248 Roundtrip, found 6 days ago
$1,248
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Nov 11 from Washington to Tongatapu Island, returning Thu, Nov 20, priced at $1,248 found 6 days ago
American Airlines
Tue, Nov 11 - Tue, Nov 18
DCA
Washington
TBU
Tongatapu Island
$1,281 Roundtrip, found 6 days ago
$1,281
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Nov 11 from Washington to Tongatapu Island, returning Tue, Nov 18, priced at $1,281 found 6 days ago
American Airlines
Tue, Sep 16 - Thu, Oct 2
DCA
Washington
TBU
Tongatapu Island
$1,286 Roundtrip, found 4 days ago
$1,286
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 16 from Washington to Tongatapu Island, returning Thu, Oct 2, priced at $1,286 found 4 days ago
American Airlines
Mon, Nov 10 - Thu, Nov 20
DCA
Washington
TBU
Tongatapu Island
$1,300 Roundtrip, found 6 days ago
$1,300
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 10 from Washington to Tongatapu Island, returning Thu, Nov 20, priced at $1,300 found 6 days ago
American Airlines
Sun, Nov 9 - Thu, Nov 20
DCA
Washington
TBU
Tongatapu Island
$1,310 Roundtrip, found 6 days ago
$1,310
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Nov 9 from Washington to Tongatapu Island, returning Thu, Nov 20, priced at $1,310 found 6 days ago
American Airlines
Mon, Nov 10 - Tue, Nov 18
DCA
Washington
TBU
Tongatapu Island
$1,332 Roundtrip, found 6 days ago
$1,332
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 10 from Washington to Tongatapu Island, returning Tue, Nov 18, priced at $1,332 found 6 days ago
Fiji Airways
Sat, Oct 4 - Tue, Oct 7
DCA
Washington
TBU
Tongatapu Island
$1,353 Roundtrip, found 4 days ago
$1,353
Roundtrip
found 4 days ago
Select Fiji Airways flight, departing Sat, Oct 4 from Washington to Tongatapu Island, returning Tue, Oct 7, priced at $1,353 found 4 days ago
Alaska Airlines
Sun, Jan 11 - Sat, Jan 24
DCA
Washington
TBU
Tongatapu Island
$1,562 Roundtrip, found 4 days ago
$1,562
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Jan 11 from Washington to Tongatapu Island, returning Sat, Jan 24, priced at $1,562 found 4 days ago
Delta
Mon, Sep 15 - Tue, Sep 30
DCA
Washington
TBU
Tongatapu Island
$1,612 Roundtrip, found 4 days ago
$1,612
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 15 from Washington to Tongatapu Island, returning Tue, Sep 30, priced at $1,612 found 4 days ago
Air New Zealand
Mon, Sep 15 - Tue, Sep 30
DCA
Washington
TBU
Tongatapu Island
$2,611 Roundtrip, found 4 days ago
$2,611
Roundtrip
found 4 days ago
Select Air New Zealand flight, departing Mon, Sep 15 from Washington to Tongatapu Island, returning Tue, Sep 30, priced at $2,611 found 4 days ago
Flights from Washington (DCA) to Nuku'alofa (TBU)
Origin airport
Ronald Reagan Washington National
Destination airport
Fua'amotu Intl.
Roundtrip price
$1,247
Distance
7547 mi

Washington to Nuku'alofa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Nuku'alofa in 2025. You can also book with separate airlines for your outbound and return journeys, from $668 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 Washington 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 Washington 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 Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU) cost?
Grab a cheap one-way flight from $668 or cheap return flight from $1,248 from Ronald Reagan Washington National Airport (DCA) 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 Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU)?
November is the least expensive month to fly from DCA to TBU. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from DCA to TBU. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU)?
There are no daily direct flights from Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from DCA to TBU?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU)?
To reach Fua'amotu Intl. Airport (TBU) on schedule, choose a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU) last-minute?
Last-minute bookings from DCA to TBU are usually more expensive. To secure the lowest rates, start looking for flights well in advance. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a DCA to TBU flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to TBU flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Fua'amotu Intl. Airport (TBU)?
Typically, you're able to cancel or reschedule your DCA to TBU flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.