Latest deals
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Tongatapu from $1,779

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Tongatapu departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Tongatapu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:59 am - 10:35 am
DCA
-
TBU
31h 36m
2 stops
Multiple Airlines Logo
11:55 am - 10:13 pm
TBU
-
DCA
27h 18m
2 stops
$1,779Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Air New Zealand Logo
12:57 pm - 10:45 am
DCA
-
TBU
28h 48m
2 stops
Air New Zealand Logo
11:55 am - 10:14 pm
TBU
-
DCA
27h 19m
2 stops
$2,335Air New Zealand
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
12:57 pm - 2:35 pm
DCA
-
TBU
32h 38m
3 stops
Multiple Airlines Logo
11:55 am - 10:13 pm
TBU
-
DCA
27h 18m
2 stops
$2,430Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Air New Zealand Logo
6:59 pm - 8:25 pm
DCA
-
TBU
55h 26m
2 stops
Air New Zealand Logo
9:40 pm - 8:35 pm
TBU
-
DCA
40h 55m
2 stops
$3,698Air New Zealand
Fri, Dec 18 - Mon, Jan 4
Multiple Airlines Logo
6:59 pm - 1:50 am
DCA
-
TBU
60h 51m
2 stops
Multiple Airlines Logo
11:20 am - 3:56 pm
TBU
-
DCA
46h 36m
2 stops
$3,739Multiple Airlines
Fri, Dec 18 - Mon, Jan 4
Multiple Airlines Logo
6:59 pm - 1:50 am
DCA
-
TBU
60h 51m
2 stops
Multiple Airlines Logo
11:20 am - 3:56 pm
TBU
-
DCA
46h 36m
2 stops
$3,943Multiple Airlines
Fri, Dec 18 - Mon, Jan 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air New Zealand flights from Washington, D.C. Reagan-National Airport to Tongatapu

Our best Air New Zealand deals on Washington, D.C. Reagan-National Airport to Tongatapu flight tickets
Air New Zealand
Sep 19
DCA12:57 pmWashington, D.C. Reagan-National
28h 48m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
Sep 26
TBU11:55 amNuku‘alofa Fua'Amotu Intl
27h 19m
2 stops
DCA10:14 pmWashington, D.C. Reagan-National
$2,335
Air New Zealand
Dec 18
DCA6:59 pmWashington, D.C. Reagan-National
55h 26m
2 stops
TBU8:25 pmNuku‘alofa Fua'Amotu Intl
Jan 4
TBU9:40 pmNuku‘alofa Fua'Amotu Intl
40h 55m
2 stops
DCA8:35 pmWashington, D.C. Reagan-National
$3,698

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Tongatapu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Mon 8/17

9:59 am-10:35 am

2 stops31h 36m

Nuku‘alofa Fua'Amotu Intl

Mon 8/24

11:55 am-10:13 pm

2 stops27h 18m

$1,779
Quickest round-trip

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Sat 9/19

12:57 pm-10:45 am

2 stops28h 48m

Nuku‘alofa Fua'Amotu Intl

Sat 9/26

11:55 am-10:14 pm

2 stops27h 19m

$2,335

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Mon 8/17

12:57 pm-2:35 pm

3 stops32h 38m

Nuku‘alofa Fua'Amotu Intl

Mon 8/24

11:55 am-10:13 pm

2 stops27h 18m

$2,430

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Fri 12/18

6:59 pm-8:25 pm

2 stops55h 26m

Nuku‘alofa Fua'Amotu Intl

Mon 1/4

9:40 pm-8:35 pm

2 stops40h 55m

$3,698

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Fri 12/18

6:59 pm-1:50 am

2 stops60h 51m

Nuku‘alofa Fua'Amotu Intl

Mon 1/4

11:20 am-3:56 pm

2 stops46h 36m

$3,739

Washington, D.C.Nuku‘alofa

DCA - TBU

DCATBU

Washington, D.C. Reagan-National

Fri 12/18

6:59 pm-1:50 am

2 stops60h 51m

Nuku‘alofa Fua'Amotu Intl

Mon 1/4

11:20 am-3:56 pm

2 stops46h 36m

$3,943

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Washington, D.C. Reagan-National Airport to Tongatapu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Tongatapu

Fastest flight time

28h 48m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Tongatapu takes 28h 48m
There are no direct flights from Washington, D.C. Reagan-National Airport to Tongatapu. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Tongatapu.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Tongatapu

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Tongatapu?

    Prices for flights from Washington, D.C. Reagan-National Airport to Tongatapu are updated daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Tongatapu?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Tongatapu.

  • What documentation or ID do you need to fly to Tongatapu?

    The necessary travel and health documents for your Tongatapu trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Tongatapu

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Tongatapu?

    Price Alerts will notify you by email when the price for flights to Tongatapu from Washington, D.C. Reagan-National Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Tongatapu with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Tongatapu?

Finding the right flight to Tongatapu from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Tongatapu quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Tongatapu with flexible booking policies on momondo?

momondo does allow users to show only those flights to Tongatapu from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Tongatapu?

Once all potential Washington, D.C. to Tongatapu flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Tongatapu right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Tongatapu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Tongatapu and let you know when they change.

An easier way to manage your Tongatapu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/7
Fri 8/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Tongatapu

Popular cities in Tongatapu

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,108