Tonga

$597+ Cheap flights from San Francisco (SFO) to Tonga

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TBU
May 25 — Jun 11
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Cheap flight deals from San Francisco to Tonga

Cheapest flights from San Francisco to Tonga
Explore the most affordable flight options available from San Francisco to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This FlightHub deal was found by Cheapflights users on 4/20. 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 5/2010:35 pm
SFO
-
TBU
1 stop21h 20m
Fiji Airways
Wed 5/2711:20 am
TBU
-
SFO
1 stop22h 35m
Fiji Airways
Deal found 4/20$992
This Fiji Airways deal was found by Cheapflights users on 4/23. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:10 pm
SFO
-
TBU
1 stop30h 35m
Fiji Airways
Wed 9/1611:20 am
TBU
-
SFO
1 stop22h 20m
Fiji Airways
Deal found 4/23$1,042
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:35 pm
SFO
-
TBU
1 stop21h 20m
Multiple Airlines
Wed 5/2711:20 am
TBU
-
SFO
2 stops25h 43m
Multiple Airlines
Deal found 4/20$1,080
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:35 pm
SFO
-
TBU
1 stop21h 20m
Multiple Airlines
Tue 6/211:20 am
TBU
-
SFO
2 stops25h 43m
Multiple Airlines
Deal found 4/21$1,119
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:31 pm
SFO
-
TBU
2 stops21h 04m
Multiple Airlines
Wed 9/1611:20 am
TBU
-
SFO
1 stop22h 20m
Multiple Airlines
Deal found 4/21$1,135
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:13 pm
SFO
-
TBU
2 stops32h 52m
Multiple Airlines
Tue 6/25:40 am
TBU
-
SFO
2 stops31h 23m
Multiple Airlines
Deal found 4/21$1,184
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:35 pm
SFO
-
TBU
1 stop21h 20m
Fiji Airways
Wed 4/295:00 am
TBU
-
SFO
1 stop28h 55m
Fiji Airways
Deal found 4/20$1,187
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:40 pm
SFO
-
TBU
2 stops24h 15m
Multiple Airlines
Wed 4/295:00 am
TBU
-
SFO
1 stop28h 55m
Multiple Airlines
Deal found 4/21$1,194
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:13 pm
SFO
-
TBU
2 stops18h 22m
Multiple Airlines
Tue 6/25:40 am
TBU
-
SFO
2 stops31h 23m
Multiple Airlines
Deal found 4/21$1,202

Find flight deals from San Francisco to Tonga

Keep the following information in mind while searching for San Francisco to Tonga flight deals. Data was last updated April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$992
(FlightHub)

One-way from

$597
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$1,093
Provider with most accurate pricing for San Francisco-Nuku‘alofa Fua'Amotu Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-Nuku‘alofa Fua'Amotu Intl flights.
From San Francisco to Tonga
One-way flight from San Francisco to Tonga
Highest demand for flights based on searches. 4% potential increase in price ($66 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco 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, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from San Francisco to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 5/20

10:35 pm-3:55 pm

1 stop21h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 5/27

11:20 am-1:55 pm

1 stop22h 35m

$992

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 9/12

11:10 pm-1:45 am

1 stop30h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 9/16

11:20 am-1:40 pm

1 stop22h 20m

$1,042

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 5/20

10:35 pm-3:55 pm

1 stop21h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 5/27

11:20 am-5:03 pm

2 stops25h 43m

$1,080

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 6/13

4:30 pm-1:45 am

2 stops37h 15m

Nuku‘alofa Fua'Amotu Intl

Sat 8/8

5:40 am-1:55 pm

1 stop28h 15m

$1,240

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Mon 8/31

5:31 pm-10:35 am

2 stops21h 04m

Nuku‘alofa Fua'Amotu Intl

Wed 9/16

11:20 am-7:01 pm

2 stops27h 41m

$1,279
Cheapest one-way

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 6/13

4:30 pm-1:45 am

2 stops37h 15m

$597

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 6/9

10:58 pm-3:55 pm

3 stops44h 57m

$743

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Thu 7/30

4:30 pm-3:55 pm

2 stops27h 25m

$814

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 5/19

1:56 pm-10:45 am

2 stops24h 49m

$855

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 5/19

4:45 pm-1:45 am

3 stops37h 00m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from San Francisco to Tonga

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

How far ahead should I book a flight from San Francisco to Tonga?

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Tonga. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Tonga?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Tonga (average of $445). Flying from San Francisco to Tonga in January is currently the most expensive (average of $1,213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Tonga

Get insights into the airlines that provide service to Tonga. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tonga. Reviews last updated April 25, 2026.
Peruse reviews from past customers who have flown with Fiji Airways and Air New Zealand from San Francisco to Tonga to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.5

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.5

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Food

7.5

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.5

Comfort

8.1

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Tonga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Tonga?

    For a flight from San Francisco to Tonga, you will be flying from San Francisco. San Francisco (SFO) is just 11.0 mi from the center of the city.

  • How long is the flight from San Francisco to Tonga?

    Fiji Airways can get you from San Francisco to Tonga in just under 21h 20m. Your travel time can differ by up to . The distance between San Francisco and Tonga is about 5314 mi.

  • Can I find deals for flights from San Francisco to Tonga that include hotel bookings?

    Yes. In addition to deals on San Francisco to Tonga flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Tonga?

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

  • Can I find deals for business class flights from San Francisco to Tonga?

    Yes. Cheapflights offers flight deals from San Francisco 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.

  • What is the cheapest month to book a flight from San Francisco to Tonga?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Tonga (average of $445). Flying from San Francisco to Tonga in January is currently the most expensive (average of $1,213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from San Francisco to Tonga

Discover the top 2 airlines that operate flights from San Francisco to Tonga. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$590Average$1,511FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,231Average$1,780FlexibilityNo cancel feeOn-time78%

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