How long is the flight from State of Washington to Tongatapu?

There are many flights that can get you from State of Washington to Tongatapu in 62h 35m. Fly via Singapore Airlines to get the fastest option. Airlines will cover a distance of 5763 mi.

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.

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).

What is the cheapest time of day to fly from WA to TT?

When flying from State of Washington to Tongatapu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Washington to Tongatapu that include hotel bookings?

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

How can I find direct flights from Washington to Tongatapu?

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

Can I find deals for business class flights from Washington to Tongatapu?

Yes. Cheapflights offers flight deals from Washington 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.

$2,432+ Flights from Washington to Tongatapu

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Discover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

vie. 2/278:45 amSEA - TBU

2 stops62h 35mSingapore Airlines

mar. 3/39:35 pmTBU - SEA

2 stops54h 35mSingapore Airlines

Deal found 12/2

$2,432

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Round-trip from	$2,368 (Air New Zealand)

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SeattleNuku‘alofa

SEA - TBU

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Seattle/Tacoma Intl

vie. 2/27

8:45 am-8:20 pm

2 stops62h 35m

Nuku‘alofa Fua'Amotu Intl

mar. 3/3

9:35 pm-7:10 am

2 stops54h 35m

$2,432

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Deals found on 12/2

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How long is the flight from State of Washington to Tongatapu?
There are many flights that can get you from State of Washington to Tongatapu in 62h 35m. Fly via Singapore Airlines to get the fastest option. Airlines will cover a distance of 5763 mi.
Can I find deals for flights from Washington to Tongatapu that include hotel bookings?
Yes. In addition to deals on Washington to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Tongatapu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Tongatapu.
Can I find deals for business class flights from Washington to Tongatapu?
Yes. Cheapflights offers flight deals from Washington 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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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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington to Tongatapu

Best flights from Washington to Tongatapu
Discover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

Discover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

Find flight deals from Washington to Tongatapu

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Everything you need to know about your flight from Washington to Tongatapu

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to Tongatapu?

Can I find deals for flights from Washington to Tongatapu that include hotel bookings?

How can I find direct flights from Washington to Tongatapu?

Can I find deals for business class flights from Washington to Tongatapu?

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$2,432+ Cheap flights from Washington 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Tongatapu with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Tongatapu

Best flights from Washington to TongatapuDiscover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

Discover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.

Find flight deals from Washington to Tongatapu

Keep the following information in mind while searching for Washington to Tongatapu flight deals. Data was last updated diciembre 4, 2025.

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Use the filters below to find and compare flights from Washington to Tongatapu that are best for you.

Best time to book a flight from Washington to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Tongatapu

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to Tongatapu?

Can I find deals for flights from Washington to Tongatapu that include hotel bookings?

How can I find direct flights from Washington to Tongatapu?

Can I find deals for business class flights from Washington to Tongatapu?

Browse thousands of different options on Cheapflights for your next trip

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Best flights from Washington to Tongatapu
Discover carefully curated flight deals from Washington to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 4, 2025.