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Tongatapu

$1,714+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TBU
abr. 6 — abr. 131
dom. 4/6
dom. 4/13
1 adult, Economy
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Cheap 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 abril 1, 2025.

Round-trip from

$1,714
(Travelocity)
From Washington, D.C. Dulles Intl to Tongatapu
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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 abril 1, 2025.

This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/305:38 pmIAD - TBU
2 stops39h 07mMultiple Airlines
mié. 5/712:20 pmTBU - IAD
2 stops28h 38mMultiple Airlines
Deal found 3/31$1,714

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 abril 1, 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

mié. 4/30

5:38 pm-1:45 am

2 stops39h 07m

Nuku‘alofa Fua'Amotu Intl

mié. 5/7

12:20 pm-11:58 pm

2 stops28h 38m

$1,714

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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

Rainfall in Tongatapu by month

Plan your trip to Tongatapu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tongatapu ranges from 3.7 - 8.3 inches per month. February is typically the wettest month, when rainfall can reach 8.3 in. June is typically the driest time to visit Tongatapu when rainfall is around 3.7 in.

Temperature in Tongatapu by month

Plan your trip to Tongatapu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tongatapu, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing Tongatapu

Get insights into the airlines that provide service to Tongatapu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tongatapu. Reviews last updated abril 1, 2025.
Air New Zealand
7.9
Good
458 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.4

Food

7.2

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.
Air New Zealand
7.9
Good
458 reviews
Air New Zealand
7.9
Good
458 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.4

Food

7.2

Overall

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

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.
Dulles Intl to Nuku‘alofa flights
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