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Cheap flights from Boston to Tonga from $1,726

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Tonga departing on 8/25. 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 Boston to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:55 pm - 1:45 am
BOS
-
TBU
59h 50m
2 stops
Multiple Airlines Logo
8:55 pm - 8:14 am
TBU
-
BOS
52h 19m
2 stops
$1,726Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
9:30 pm - 1:45 am
BOS
-
TBU
59h 15m
2 stops
Multiple Airlines Logo
5:40 am - 8:20 pm
TBU
-
BOS
55h 40m
2 stops
$1,773Multiple Airlines
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
1:45 am - 10:45 am
BOS
-
TBU
64h 00m
2 stops
Multiple Airlines Logo
4:55 pm - 5:47 am
TBU
-
BOS
29h 52m
3 stops
$2,461Multiple Airlines
Thu, Sep 10 - Fri, Sep 18
Air New Zealand Logo
11:34 am - 10:45 am
BOS
-
TBU
30h 11m
2 stops
Air New Zealand Logo
8:55 pm - 10:59 pm
TBU
-
BOS
43h 04m
3 stops
$2,532Air New Zealand
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
10:00 pm - 10:45 am
BOS
-
TBU
43h 45m
3 stops
Multiple Airlines Logo
4:55 pm - 5:47 am
TBU
-
BOS
29h 52m
3 stops
$2,979Multiple Airlines
Fri, Sep 11 - Fri, Sep 18
Multiple Airlines Logo
7:25 am - 10:45 am
BOS
-
TBU
34h 20m
3 stops
Multiple Airlines Logo
5:30 pm - 2:10 pm
TBU
-
BOS
61h 40m
2 stops
$4,290Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
7:25 am - 10:45 am
BOS
-
TBU
34h 20m
3 stops
Multiple Airlines Logo
5:30 pm - 9:53 am
TBU
-
BOS
57h 23m
3 stops
$4,397Multiple Airlines
Tue, Aug 25 - Tue, Sep 1

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Customize your flight search to find flights from Boston to Tonga 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 29, 2026.
Use the filters below to find and compare flights from Boston to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Tue 8/25

8:55 pm-1:45 am

2 stops59h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 9/1

8:55 pm-8:14 am

2 stops52h 19m

$1,726

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Fri 9/11

9:30 pm-1:45 am

2 stops59h 15m

Nuku‘alofa Fua'Amotu Intl

Fri 9/18

5:40 am-8:20 pm

2 stops55h 40m

$1,773

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Thu 9/10

1:45 am-10:45 am

2 stops64h 00m

Nuku‘alofa Fua'Amotu Intl

Fri 9/18

4:55 pm-5:47 am

3 stops29h 52m

$2,461
Quickest round-trip

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Tue 8/25

11:34 am-10:45 am

2 stops30h 11m

Nuku‘alofa Fua'Amotu Intl

Tue 9/1

8:55 pm-10:59 pm

3 stops43h 04m

$2,532

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Fri 9/11

10:00 pm-10:45 am

3 stops43h 45m

Nuku‘alofa Fua'Amotu Intl

Fri 9/18

4:55 pm-5:47 am

3 stops29h 52m

$2,979

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Tue 8/25

7:25 am-10:45 am

3 stops34h 20m

Nuku‘alofa Fua'Amotu Intl

Tue 9/1

5:30 pm-2:10 pm

2 stops61h 40m

$4,290

BostonNuku‘alofa

BOS - TBU

BOSTBU

Boston Logan Intl

Tue 8/25

7:25 am-10:45 am

3 stops34h 20m

Nuku‘alofa Fua'Amotu Intl

Tue 9/1

5:30 pm-9:53 am

3 stops57h 23m

$4,397

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Boston to Tonga flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Tonga

Fastest flight time

59h 15m

Direct flights

None
The fastest flight from Boston to Tonga takes 59h 15m
There are no direct flights from Boston to Tonga. There are no popular flight routes from Boston to Tonga.
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Frequently asked questions about flying from Boston to Tonga

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Tonga?

    Prices for flights from Boston Logan Intl Airport to Tonga were last updated today.

  • How old do you have to be to fly from Boston Logan Intl Airport to Tonga?

    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 Boston Logan Intl Airport to Tonga.

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

    The required travel and health documents for your Tonga trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tonga. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Boston to Tonga

  • How do I get Price Alerts for flights from Boston to Tonga?

    Price Alerts will notify you by email when the price for flights to Tonga from Boston 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 Boston to Tonga with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Tonga?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Tonga. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Tonga with flexible booking policies on momondo?

Flights from Boston to Tonga with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Tonga?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tonga from Boston.

I’m not ready to book a flight from Boston to Tonga right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Tonga flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fri 8/28
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Find better results for your trip to Tonga

Popular cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,011