$2,047+ Cheap flights from District of Columbia 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — TBU
Apr 8 — Apr 151
1 adult, Economy
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Cheapest flights from District of Columbia to TongatapuExplore the most affordable flight options available from District of Columbia to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
Explore the most affordable flight options available from District of Columbia to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Wed 10/18:25 amIAD - TBU
2 stops32h 45mAir New Zealand
Fri 10/1011:20 amTBU - IAD
2 stops35h 21mAir New Zealand
Deal found 4/1![Air New Zealand logo]()
$2,047
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:59 amDCA - TBU
2 stops39h 06mMultiple Airlines
Sat 6/144:45 pmTBU - DCA
2 stops23h 14mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$2,095
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Wed 10/111:05 amDCA - TBU
2 stops30h 05mAir New Zealand
Fri 10/1011:20 amTBU - DCA
2 stops29h 25mAir New Zealand
Deal found 4/1![Air New Zealand logo]()
$2,145
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:50 pmIAD - TBU
3 stops30h 15mMultiple Airlines
Sat 6/144:45 pmTBU - IAD
3 stops45h 35mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$2,719
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia 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 April 3, 2025.
Use the filters below to find and compare flights from District of Columbia to Tongatapu that are best for you.
Fly from
District of Columbia
Fly to
Tongatapu
Route
Depart
Return
Price
Washington, D.C.Nuku‘alofa
DCA - TBU
DCATBU
Washington, D.C. Reagan-National
Wed 6/11
8:59 am-5:05 pm
2 stops39h 06m
Nuku‘alofa Fua'Amotu Intl
Sat 6/14
4:45 pm-10:59 pm
2 stops23h 14m
$2,095
Washington, D.C.Nuku‘alofa
IAD - TBU
IADTBU
Washington, D.C. Dulles Intl
Wed 6/11
6:10 am-11:10 am
2 stops36h 00m
Nuku‘alofa Fua'Amotu Intl
Sat 6/14
10:45 pm-6:39 am
2 stops48h 54m
$2,422
Washington, D.C.Nuku‘alofa
IAD - TBU
IADTBU
Washington, D.C. Dulles Intl
Wed 6/11
5:50 pm-5:05 pm
3 stops30h 15m
Nuku‘alofa Fua'Amotu Intl
Sat 6/14
4:45 pm-9:20 pm
3 stops45h 35m
$2,719
Best time to book a flight from District of Columbia to Tongatapu
Have a flexible travel schedule? Discover the best time to fly to Tongatapu from District of Columbia 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 District of Columbia 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).