HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tongatapu

$1,292+ Cheap flights from Washington, D.C. (WAS) 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TBU
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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 Washington, D.C. to Tongatapu

Best flights from Washington, D.C. to Tongatapu
Discover carefully curated flight deals from Washington, D.C. to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 29, 2025.

This Fiji Airways deal was found by Cheapflights users on 10/26. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/257:01 pmDCA - TBU
2 stops22h 34mFiji Airways
mar. 4/285:00 amTBU - DCA
2 stops34h 59mFiji Airways
Deal found 10/26$1,292
This Air New Zealand deal was found by Cheapflights users on 10/26. 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.
mar. 2/105:45 pmIAD - TBU
2 stops46h 25mAir New Zealand
sáb. 2/149:35 pmTBU - IAD
2 stops41h 12mAir New Zealand
Deal found 10/26$2,681

Cheap flight deals from Washington, D.C. to Tongatapu

Keep the following information in mind while searching for Washington, D.C. to Tongatapu flight deals. Data was last updated octubre 29, 2025.

Round-trip from

$1,292
(Fiji Airways)
From Washington, D.C. (WAS) to Tongatapu
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Tongatapu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Tongatapu that are best for you.

Fly from

Washington, D.C.

Fly to

Tongatapu

Route

Depart

Return

Price

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

sáb. 4/25

7:01 pm-10:35 am

2 stops22h 34m

Nuku‘alofa Fua'Amotu Intl

mar. 4/28

5:00 am-10:59 pm

2 stops34h 59m

$1,292

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

mar. 2/10

5:45 pm-10:10 am

2 stops46h 25m

Nuku‘alofa Fua'Amotu Intl

sáb. 2/14

9:35 pm-8:47 pm

2 stops41h 12m

$2,681

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Washington, D.C. to Tongatapu

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

  • How long is the flight from Washington, D.C. to Tongatapu?

    A quick flight from Washington, D.C. to Tongatapu can take about 22h 34m. Fiji Airways provides one of the quickest options available for as low as $1,292. Airlines will cover a distance of 7543 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Washington, D.C. to Tongatapu?

    While some choose either Washington, D.C. Dulles Intl - Nuku‘alofa Fua'Amotu Intl or Washington, D.C. Reagan-National - Nuku‘alofa Fua'Amotu Intl, Baltimore/Washington - Nuku‘alofa Fua'Amotu Intl is the most popular route from Washington, D.C. to Tongatapu.

  • Can I find deals for flights from Washington, D.C. to Tongatapu that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Tongatapu?

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

  • Can I find deals for business class flights from Washington, D.C. to Tongatapu?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl 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.