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

Departing from Washington, D.C. to Tonga will take you 37h 04m. The distance between Washington, D.C. and Tonga is about 7543 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Tonga 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 Tonga when rainfall is around 3.7 in.

If weather is an important factor for your trip to Tonga, 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 are the most popular routes from Washington, D.C. to Tonga?

The most popular route from Washington, D.C. to Tonga is Baltimore/Washington - Nuku‘alofa Fua'Amotu Intl. You may also consider Washington, D.C. Reagan-National - Nuku‘alofa Fua'Amotu Intl or Washington, D.C. Dulles Intl - Nuku‘alofa Fua'Amotu Intl.

What is the cheapest time of day to fly from WAS to TO?

When flying from Washington, D.C. to Tonga, 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, D.C. to Tonga that include hotel bookings?

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

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

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 Tonga.

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

Yes. Cheapflights offers flight deals from Washington, D.C. to Tonga by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,223+ Cheap Flights from Washington, D.C. to Tonga

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Cheapest flights from Washington, D.C. to Tonga
Explore the most affordable flight options available from Washington, D.C. to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

mié. 12/39:00 amBWI - TBU

2 stops41h 20mAir New Zealand

mié. 12/101:10 pmTBU - BWI

2 stops60h 09mAir New Zealand

Deal found 11/5

$1,520

mié. 12/39:59 amDCA - TBU

2 stops35h 01mMultiple Airlines

mié. 12/1010:30 amTBU - DCA

2 stops49h 29mMultiple Airlines

Deal found 11/5

$1,651

mié. 12/36:39 pmIAD - TBU

2 stops31h 41mAir New Zealand

mié. 12/101:10 pmTBU - IAD

2 stops40h 13mAir New Zealand

Deal found 11/5

$1,872

Best flights from Washington, D.C. to Tonga
Discover carefully curated flight deals from Washington, D.C. to Tonga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 6, 2025.

sáb. 4/257:01 pmDCA - TBU

2 stops37h 04mFiji Airways

mar. 4/285:00 amTBU - DCA

2 stops34h 59mFiji Airways

Deal found 11/4

$1,223

mié. 12/39:00 amBWI - TBU

2 stops41h 20mAir New Zealand

mié. 12/101:10 pmTBU - BWI

2 stops60h 09mAir New Zealand

Deal found 11/5

$1,520

mié. 12/39:59 amDCA - TBU

2 stops35h 01mMultiple Airlines

mié. 12/1010:30 amTBU - DCA

2 stops49h 29mMultiple Airlines

Deal found 11/5

$1,651

mié. 12/36:39 pmIAD - TBU

2 stops31h 41mAir New Zealand

mié. 12/101:10 pmTBU - IAD

2 stops40h 13mAir New Zealand

Deal found 11/5

$1,872

mar. 4/288:37 amBWI - TBU

2 stops33h 33mAir New Zealand

sáb. 5/212:20 pmTBU - BWI

2 stops35h 41mAir New Zealand

Deal found 11/5

$2,642

mar. 2/105:45 pmIAD - TBU

2 stops46h 25mAir New Zealand

sáb. 2/149:35 pmTBU - IAD

2 stops45h 33mAir New Zealand

Deal found 11/4

$2,681

Last-minute flights from Washington, D.C. to Tonga
Discover last-minute flight deals from Washington, D.C. to Tonga. Data last updated noviembre 6, 2025 and is based on user searches.

mié. 12/39:00 amBWI - TBU

2 stops41h 20mAir New Zealand

mié. 12/101:10 pmTBU - BWI

2 stops60h 09mAir New Zealand

Deal found 11/5

$1,520

mié. 12/39:59 amDCA - TBU

2 stops35h 01mMultiple Airlines

mié. 12/1010:30 amTBU - DCA

2 stops49h 29mMultiple Airlines

Deal found 11/5

$1,651

mié. 12/36:39 pmIAD - TBU

2 stops31h 41mAir New Zealand

mié. 12/101:10 pmTBU - IAD

2 stops40h 13mAir New Zealand

Deal found 11/5

$1,872

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

Round-trip from	$1,223 (Fiji Airways)

From Washington, D.C. (WAS) to Tonga

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

sáb. 4/25

7:01 pm-1:05 am

2 stops37h 04m

Nuku‘alofa Fua'Amotu Intl

mar. 4/28

5:00 am-10:59 pm

2 stops34h 59m

$1,223

BaltimoreNuku‘alofa

BWI - TBU

BWITBU

Baltimore/Washington

mié. 12/3

9:00 am-8:20 pm

2 stops41h 20m

Nuku‘alofa Fua'Amotu Intl

mié. 12/10

1:10 pm-7:19 am

2 stops60h 09m

$1,520

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

mié. 12/3

9:59 am-3:00 pm

2 stops35h 01m

Nuku‘alofa Fua'Amotu Intl

mié. 12/10

10:30 am-5:59 pm

2 stops49h 29m

$1,651

Washington, D.C.Nuku‘alofa

IAD - TBU

IADTBU

Washington, D.C. Dulles Intl

mié. 12/3

6:39 pm-8:20 pm

2 stops31h 41m

Nuku‘alofa Fua'Amotu Intl

mié. 12/10

1:10 pm-11:23 am

2 stops40h 13m

$1,872

BaltimoreNuku‘alofa

BWI - TBU

BWITBU

Baltimore/Washington

mar. 4/28

8:37 am-11:10 am

2 stops33h 33m

Nuku‘alofa Fua'Amotu Intl

sáb. 5/2

12:20 pm-7:01 am

2 stops35h 41m

$2,642

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-1:08 am

2 stops45h 33m

$2,681

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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

Have a flexible travel schedule? Discover the best time to fly to Tonga 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 Tonga

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Washington, D.C. to Tonga?
Departing from Washington, D.C. to Tonga will take you 37h 04m. The distance between Washington, D.C. and Tonga is about 7543 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from Washington, D.C. to Tonga?
The most popular route from Washington, D.C. to Tonga is Baltimore/Washington - Nuku‘alofa Fua'Amotu Intl. You may also consider Washington, D.C. Reagan-National - Nuku‘alofa Fua'Amotu Intl or Washington, D.C. Dulles Intl - Nuku‘alofa Fua'Amotu Intl.
Can I find deals for flights from Washington, D.C. to Tonga that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Tonga flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Tonga?
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 Tonga.
Can I find deals for business class flights from Washington, D.C. to Tonga?
Yes. Cheapflights offers flight deals from Washington, D.C. to Tonga 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

Alternative routes for Washington, D.C. to Tonga

Dulles Intl to Sydney flights

Dulles Intl to Melbourne flights

Reagan-National to Sydney flights

Dulles Intl to Auckland flights

Reagan-National to Melbourne flights

Reagan-National to Auckland flights

Dulles Intl to Brisbane flights

Dulles Intl to Avalon flights

Reagan-National to Brisbane flights

Dulles Intl to Adelaide flights

Dulles Intl to Perth flights

Dulles Intl to Papeete flights

Reagan-National to Papeete flights

Dulles Intl to Nadi flights

Reagan-National to Nadi flights

Dulles Intl to Apia flights

Dulles Intl to Tamuning flights

Dulles Intl to Wellington flights

Reagan-National to Adelaide flights

Reagan-National to Apia flights

Reagan-National to Christchurch flights

Dulles Intl to Christchurch flights

Dulles Intl to Canberra flights

Reagan-National to Canberra flights

Dulles Intl to Queenstown flights

Reagan-National to Wellington flights

Dulles Intl to Koror flights

Reagan-National to Vaitape flights

Reagan-National to Perth flights

Reagan-National to Queenstown flights

Reagan-National to Tamuning flights

Dulles Intl to Port Moresby flights

Dulles Intl to Rarotonga flights

Dulles Intl to Ballina flights

Dulles Intl to I Fadang flights

Reagan-National to Cairns flights

Dulles Intl to Cairns flights

Dulles Intl to Nuku‘alofa flights

Reagan-National to Port Moresby flights

Dulles Intl to Vaitape flights

Dulles Intl to Majuro flights

Dulles Intl to Coolangatta 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.

$1,223+ Cheap flights from Washington, D.C. (WAS) to Tonga

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.

Find cheap flights from Washington, D.C. to Tonga with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Washington, D.C. to Tonga

Cheapest flights from Washington, D.C. to TongaExplore the most affordable flight options available from Washington, D.C. to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

Explore the most affordable flight options available from Washington, D.C. to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

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

Keep the following information in mind while searching for Washington, D.C. to Tonga flight deals. Data was last updated noviembre 6, 2025.

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Tonga that are best for you.

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

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Tonga

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Tonga. 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 Tonga?

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

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

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

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

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 Tonga

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Tonga
Explore the most affordable flight options available from Washington, D.C. to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.