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$613+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TBU
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheap 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 November 10, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,095
(FlightHub)

One-way from

$613
(Expedia)

Popular in

December

Cheapest in

February

Average price

$1,836
Provider with most accurate pricing for San Francisco-Nuku‘alofa Fua'Amotu Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Nuku‘alofa Fua'Amotu Intl flights.
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From San Francisco to Tonga
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One-way flight from San Francisco to Tonga
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Highest demand for flights based on searches. 18% potential increase in price ($316 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 10, 2025.

This FlightHub deal was found by Cheapflights users on 11/8. 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.
Sun 12/147:00 pmSFO - TBU
2 stops32h 25mFiji Airways
Tue 12/235:40 amTBU - SFO
2 stops31h 07mFiji Airways
Deal found 11/8$1,707
This Expedia deal was found by Cheapflights users on 11/7. 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.
Sun 11/236:55 pmSFO - TBU
2 stops33h 10mMultiple Airlines
Sat 1/104:00 pmTBU - SFO
2 stops48h 45mMultiple Airlines
Deal found 11/7$1,867
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Mon 12/227:07 pmSFO - TBU
2 stops17h 23mFiji Airways
Tue 1/1311:20 amTBU - SFO
2 stops29h 50mFiji Airways
Deal found 11/8$1,932
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:30 pmSFO - TBU
2 stops54h 00mMultiple Airlines
Tue 1/139:35 pmTBU - SFO
1 stop34h 30mMultiple Airlines
Deal found 11/8$2,209
This SmartFares deal was found by Cheapflights users on 11/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:50 pmSFO - TBU
1 stop17h 20mAir New Zealand
Tue 1/139:35 pmTBU - SFO
1 stop30h 30mAir New Zealand
Deal found 11/8$2,363
This Gotogate deal was found by Cheapflights users on 11/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:05 pmSFO - TBU
1 stop30h 00mFiji Airways
Sat 1/105:00 amTBU - SFO
1 stop28h 50mFiji Airways
Deal found 11/7$2,420
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Tue 12/237:07 pmSFO - TBU
2 stops22h 53mFiji Airways
Tue 1/65:40 amTBU - SFO
2 stops35h 30mFiji Airways
Deal found 11/8$2,440
This SmartFares deal was found by Cheapflights users on 11/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:44 pmSFO - TBU
2 stops27h 16mMultiple Airlines
Thu 1/14:00 pmTBU - SFO
2 stops24h 36mMultiple Airlines
Deal found 11/10$2,441

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 November 10, 2025.
Use the filters below to find and compare flights from San Francisco to Tonga that are best for you.

Fly from

San Francisco

Fly to

Tonga

Route

Depart

Return

Price

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 1/4

10:05 pm-1:50 am

1 stop30h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 1/24

4:00 pm-6:30 pm

2 stops23h 30m

$1,095

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 5/5

7:35 am-1:05 am

3 stops21h 30m

Nuku‘alofa Fua'Amotu Intl

Thu 5/7

5:00 am-5:08 pm

2 stops32h 08m

$1,538

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 1/4

7:50 pm-8:20 pm

1 stop27h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 1/24

2:50 pm-11:05 am

1 stop17h 15m

$1,671

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 11/23

6:55 pm-1:05 am

2 stops33h 10m

Nuku‘alofa Fua'Amotu Intl

Sat 1/10

4:00 pm-7:45 pm

2 stops48h 45m

$1,867

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Mon 12/22

7:07 pm-9:30 am

2 stops17h 23m

Nuku‘alofa Fua'Amotu Intl

Tue 1/13

11:20 am-8:10 pm

2 stops29h 50m

$1,932

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 12/14

10:05 pm-10:35 am

1 stop15h 30m

Nuku‘alofa Fua'Amotu Intl

Tue 12/23

11:20 am-3:47 pm

2 stops25h 27m

$2,093

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Mon 12/1

10:02 pm-3:00 pm

2 stops43h 58m

$613

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 11/30

12:43 am-10:10 am

2 stops36h 27m

$7,575

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

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

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

Currently, October 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 November is currently the most expensive (average of $1,786). 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.

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

Find hourly flight availability from San Francisco to Tonga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Tonga in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the afternoon.

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 November 10, 2025.
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.
Fiji Airways
8.1
Very good
209 reviews

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.1
Very good
209 reviews
Fiji Airways
8.1
Very good
209 reviews

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very good
525 reviews
Fiji Airways
8.1
Very good
209 reviews

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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 11.8 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 30h 45m. 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, October 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 November is currently the most expensive (average of $1,786). 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

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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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$611Average$1,526FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,363Average$1,772FlexibilityNo cancel feeOn-time78%

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