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$827+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TBU
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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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 July 20, 2026.

This oojo deal was found by Cheapflights users on 7/18. 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 10/1111:25 pm
SFO
-
TBU
1 stop30h 20m
Fiji Airways
Sat 10/315:40 am
TBU
-
SFO
1 stop27h 55m
Fiji Airways
Deal found 7/18$1,046
This oojo deal was found by Cheapflights users on 7/19. 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 8/124:31 pm
SFO
-
TBU
2 stops27h 24m
Fiji Airways
Wed 8/195:00 am
TBU
-
SFO
1 stop28h 40m
Fiji Airways
Deal found 7/19$1,114
This oojo deal was found by Cheapflights users on 7/18. 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.
Mon 12/77:00 pm
SFO
-
TBU
2 stops33h 05m
Fiji Airways
Sat 12/1911:20 am
TBU
-
SFO
1 stop22h 30m
Fiji Airways
Deal found 7/18$1,118
This oojo deal was found by Cheapflights users on 7/19. 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 11/254:11 pm
SFO
-
TBU
2 stops25h 49m
Multiple Airlines
Sat 12/54:00 pm
TBU
-
SFO
1 stop17h 35m
Multiple Airlines
Deal found 7/19$1,122
This Fiji Airways deal was found by Cheapflights users on 7/19. 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 10/3110:50 pm
SFO
-
TBU
1 stop31h 00m
Fiji Airways
Wed 11/45:00 am
TBU
-
SFO
1 stop28h 35m
Fiji Airways
Deal found 7/19$1,161
This oojo deal was found by Cheapflights users on 7/19. 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 11/259:50 pm
SFO
-
TBU
1 stop20h 10m
Fiji Airways
Sat 12/54:00 pm
TBU
-
SFO
1 stop17h 35m
Fiji Airways
Deal found 7/19$1,164
This oojo deal was found by Cheapflights users on 7/18. 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 9/24:31 pm
SFO
-
TBU
2 stops37h 14m
Fiji Airways
Wed 9/911:20 am
TBU
-
SFO
1 stop22h 20m
Fiji Airways
Deal found 7/18$1,183
This FlightHub deal was found by Cheapflights users on 7/18. 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 12/77:00 pm
SFO
-
TBU
2 stops18h 35m
Multiple Airlines
Sat 12/1911:20 am
TBU
-
SFO
2 stops26h 38m
Multiple Airlines
Deal found 7/18$1,213

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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,046
(oojo)

One-way from

$827
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,819
Provider with most accurate pricing for San Francisco-Nuku‘alofa Fua'Amotu Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Nuku‘alofa Fua'Amotu Intl flights.
Search Deals
From San Francisco to Tonga
Search Deals
One-way flight from San Francisco to Tonga
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($434 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 20, 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

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 10/31

10:50 pm-1:50 am

1 stop31h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 11/4

5:00 am-12:35 pm

1 stop28h 35m

$1,161

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 8/15

4:30 pm-1:45 am

2 stops37h 15m

Nuku‘alofa Fua'Amotu Intl

Mon 8/31

11:55 am-12:55 pm

1 stop21h 00m

$1,432

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 8/12

11:10 pm-1:05 am

1 stop29h 55m

Nuku‘alofa Fua'Amotu Intl

Wed 8/19

5:00 am-1:40 pm

1 stop28h 40m

$1,495
Quickest round-trip

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Mon 12/14

4:55 pm-10:35 am

2 stops20h 40m

Nuku‘alofa Fua'Amotu Intl

Sat 12/26

12:10 pm-11:03 pm

2 stops31h 53m

$1,531

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 12/15

10:20 pm-3:00 pm

2 stops43h 40m

Nuku‘alofa Fua'Amotu Intl

Sat 12/26

5:00 am-12:50 pm

1 stop28h 50m

$1,672
Cheapest one-way

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 8/5

10:07 pm-3:55 pm

3 stops45h 48m

$827
Quickest one-way

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 8/5

10:05 pm-9:30 pm

1 stop27h 25m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Sorted by cheapest first

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 19 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.

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 July 20, 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.
Fiji Airways
8.0
Very good
248 reviews

Comfort

8.0

Food

7.5

Crew

8.5

Overall

8.0

Entertainment

7.5

Boarding

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.
Fiji Airways
8.0
Very good
248 reviews
Fiji Airways
8.0
Very good
248 reviews

Comfort

8.0

Food

7.5

Crew

8.5

Overall

8.0

Entertainment

7.5

Boarding

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.
Air New Zealand
8.0
Very good
654 reviews
Fiji Airways
8.0
Very good
248 reviews

Comfort

8.0

Food

7.5

Crew

8.5

Overall

8.0

Entertainment

7.5

Boarding

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 31h. 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.

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 July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$781Average$1,479FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,231Average$1,939FlexibilityNo cancel feeOn-time78%

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