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Tongatapu

$1,234+ Cheap flights from Dulles Intl (IAD) 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TBU
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Dulles Intl to Tongatapu

Cheapest flights from Dulles Intl to Tongatapu
Explore the most affordable flight options available from Dulles Intl to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This oojo deal was found by Cheapflights users on 1/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:50 am
IAD
-
TBU
2 stops39h 55m
Air New Zealand
Wed 10/72:50 pm
TBU
-
IAD
2 stops23h 22m
Air New Zealand
Deal found 1/23$1,999

Find flight deals from Dulles Intl to Tongatapu

Keep the following information in mind while searching for Dulles Intl to Tongatapu flight deals. Data was last updated January 24, 2026.

Round-trip from

$1,234
(Fiji Airways)
From Washington, D.C. Dulles Intl to Tongatapu
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 January 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tongatapu that are best for you.

Fly from

Dulles Intl

Fly to

Tongatapu

Route

Depart

Return

Price

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Tue 5/26

7:21 pm-10:35 am

2 stops22h 14m

Nuku‘alofa Fua'Amotu Intl

Thu 6/4

5:00 am-10:41 pm

2 stops34h 41m

$1,234

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Mon 5/25

12:50 pm-2:35 pm

2 stops32h 45m

Nuku‘alofa Fua'Amotu Intl

Mon 6/1

11:55 am-7:25 am

2 stops36h 30m

$2,061

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Mon 5/25

12:50 pm-2:35 pm

2 stops32h 45m

Nuku‘alofa Fua'Amotu Intl

Wed 6/3

3:50 pm-10:43 pm

2 stops23h 53m

$2,061

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Mon 5/25

12:50 pm-2:35 pm

2 stops32h 45m

Nuku‘alofa Fua'Amotu Intl

Tue 6/2

11:55 am-6:00 am

2 stops35h 05m

$2,061

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-2:35 pm

2 stops47h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 6/3

3:50 pm-12:32 am

2 stops25h 42m

$2,075

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-2:35 pm

2 stops47h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 6/2

11:55 am-7:25 am

2 stops36h 30m

$2,075

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-2:35 pm

2 stops47h 25m

Nuku‘alofa Fua'Amotu Intl

Mon 6/1

11:55 am-7:25 am

2 stops36h 30m

$2,075

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Tue 5/26

5:55 pm-7:45 pm

2 stops32h 50m

Nuku‘alofa Fua'Amotu Intl

Wed 6/3

3:50 pm-1:17 am

2 stops26h 27m

$2,083

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Wed 5/27

6:00 pm-9:30 pm

2 stops34h 30m

Nuku‘alofa Fua'Amotu Intl

Wed 6/3

3:50 pm-10:43 pm

2 stops23h 53m

$2,083

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Sun 5/24

10:10 pm-2:35 pm

2 stops47h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 6/6

11:55 am-12:32 am

2 stops29h 37m

$2,123

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 12 results
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Best time to book a flight from Dulles Intl to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from Dulles Intl 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. Dulles Intl Airport 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 Dulles Intl 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. Dulles Intl Airport to Tongatapu?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Tongatapu in 32h 45m. Fly via Air New Zealand to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Tongatapu is about 7523 mi.

  • Can I find deals for flights from Dulles Intl to Tongatapu that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Tongatapu?

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

  • Can I find deals for business class flights from Dulles Intl to Tongatapu?

    Yes. Cheapflights offers flight deals from Dulles Intl 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

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Alternative routes for Dulles Intl to Tongatapu

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Baltimore to Nuku‘alofa flights
Dulles Intl to Nuku‘alofa flights

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