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Tongatapu

$677+ Cheap flights from Dulles Intl (IAD) to Tongatapu

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TBU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Find flight deals from Dulles Intl to Tongatapu

One-way flights from Dulles Intl to Tongatapu
Search for one-way flight options from Dulles Intl to Tongatapu. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

This Fiji Airways deal was found by Cheapflights users on 9/17. 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.
Tue 10/145:37 pmIAD - TBU
2 stops28h 48mMultiple Airlines
Deal found 9/17$677
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:04 amIAD - TBU
3 stops30h 21mMultiple Airlines
Deal found 9/16$1,041
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:50 amIAD - TBU
2 stops32h 20mAir New Zealand
Deal found 9/16$1,111

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 September 17, 2025.
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 10/14

5:37 pm-3:25 pm

2 stops28h 48m

$677

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Mon 10/13

10:04 am-9:25 am

3 stops30h 21m

$1,041

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

Mon 10/13

8:50 am-10:10 am

2 stops32h 20m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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.

  • 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.

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Alternative routes for Dulles Intl to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Nuku‘alofa flights
Dulles Intl to Nuku‘alofa flights

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