$634+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TBU
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Tonga with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Tonga
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Best
Last-minute
One-way
Cheapest flights from San Francisco to TongaExplore 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 August 17, 2026.
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 August 17, 2026.
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:25 pm -
1 stop30h 20m
Fri 9/45:00 am -
1 stop28h 40m
Deal found 8/14![Fiji Airways logo]()
$1,082
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/911:25 pm -
1 stop30h 20m
Wed 9/163:50 pm -
1 stop17h 05m
Deal found 8/12![Multiple Airlines logo]()
$1,119
This Gotogate deal was found by Cheapflights users on 8/15. 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.
Wed 8/2611:25 pm -
1 stop30h 20m
Wed 9/95:00 am -
1 stop28h 40m
Deal found 8/15![Fiji Airways logo]()
$1,158
This oojo deal was found by Cheapflights users on 8/15. 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 10/47:55 pm -
2 stops18h 40m
Wed 10/75:00 am -
1 stop28h 40m
Deal found 8/15![Fiji Airways logo]()
$1,174
This oojo deal was found by Cheapflights users on 8/12. 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 9/911:25 pm -
1 stop30h 20m
Wed 9/165:00 am -
2 stops34h 02m
Deal found 8/12![Fiji Airways logo]()
$1,180
This FlightHub deal was found by Cheapflights users on 8/15. 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 10/47:55 pm -
2 stops18h 40m
Thu 10/85:00 am -
2 stops34h 03m
Deal found 8/15![Fiji Airways logo]()
$1,220
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:31 pm -
2 stops29h 34m
Fri 8/285:40 am -
1 stop28h 00m
Deal found 8/12![Fiji Airways logo]()
$1,227
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sun 10/411:25 pm -
1 stop15h 10m
Sat 10/103:55 pm -
1 stop17h 45m
Deal found 8/15![Fiji Airways logo]()
$1,232
Best flights from San Francisco to TongaDiscover carefully curated flight deals from San Francisco to Tonga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from San Francisco to Tonga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/911:25 pm -
1 stop30h 20m
Wed 9/163:50 pm -
1 stop17h 05m
Deal found 8/12![Multiple Airlines logo]()
$1,119
This oojo deal was found by Cheapflights users on 8/12. 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 9/911:25 pm -
1 stop30h 20m
Wed 9/165:00 am -
2 stops34h 02m
Deal found 8/12![Fiji Airways logo]()
$1,180
This oojo deal was found by Cheapflights users on 8/13. 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 11/307:50 pm -
1 stop19h 10m
Mon 12/79:40 pm -
2 stops53h 57m
Deal found 8/13![Air New Zealand logo]()
$1,611
This oojo deal was found by Cheapflights users on 8/14. 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.
Tue 9/14:31 pm -
2 stops28h 39m
Tue 9/85:40 am -
2 stops33h 44m
Deal found 8/14![Fiji Airways logo]()
$1,239
This Fiji Airways deal was found by Cheapflights users on 8/15. 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.
Sun 10/47:55 pm -
2 stops18h 40m
Sat 10/105:40 am -
1 stop28h 00m
Deal found 8/15![Fiji Airways logo]()
$1,268
This Justfly.com deal was found by Cheapflights users on 8/13. 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.
Sun 12/132:00 pm -
2 stops38h 50m
Wed 12/3011:20 am -
2 stops31h 21m
Deal found 8/13![Multiple Airlines logo]()
$1,412
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:15 am -
2 stops41h 50m
Fri 1/15:40 am -
3 stops22h 05m
Deal found 8/16![Multiple Airlines logo]()
$1,779
This Fiji Airways deal was found by Cheapflights users on 8/15. 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 10/34:12 pm -
2 stops37h 33m
Fri 10/95:40 am -
2 stops33h 23m
Deal found 8/15![Fiji Airways logo]()
$1,638
This Fiji Airways deal was found by Cheapflights users on 8/12. 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.
Sun 12/610:05 pm -
1 stop30h 45m
Thu 12/104:00 pm -
3 stops48h 20m
Deal found 8/12![Fiji Airways logo]()
$1,654
This Fiji Airways deal was found by Cheapflights users on 8/15. 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.
Tue 10/67:57 pm -
2 stops33h 48m
Sat 10/103:55 pm -
2 stops23h 08m
Deal found 8/15![Fiji Airways logo]()
$1,708
Last-minute flights from San Francisco to TongaDiscover last-minute flight deals from San Francisco to Tonga. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Tonga. Data last updated August 17, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:31 pm -
2 stops29h 34m
Fri 8/285:40 am -
1 stop28h 00m
Deal found 8/12![Fiji Airways logo]()
$1,227
This oojo deal was found by Cheapflights users on 8/12. 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.
Tue 8/181:51 pm -
2 stops32h 14m
Fri 8/285:40 am -
1 stop28h 00m
Deal found 8/12![Multiple Airlines logo]()
$1,325
This oojo deal was found by Cheapflights users on 8/14. 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.
Sat 8/224:31 pm -
2 stops29h 34m
Wed 9/211:20 am -
2 stops28h 07m
Deal found 8/14![Fiji Airways logo]()
$1,263
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:25 pm -
1 stop30h 20m
Fri 9/45:00 am -
1 stop28h 40m
Deal found 8/14![Fiji Airways logo]()
$1,082
This Gotogate deal was found by Cheapflights users on 8/15. 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.
Wed 8/2611:25 pm -
1 stop30h 20m
Wed 9/95:00 am -
1 stop28h 40m
Deal found 8/15![Fiji Airways logo]()
$1,158
This oojo deal was found by Cheapflights users on 8/14. 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.
Tue 9/14:31 pm -
2 stops28h 39m
Tue 9/85:40 am -
2 stops33h 44m
Deal found 8/14![Fiji Airways logo]()
$1,239
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/911:25 pm -
1 stop30h 20m
Wed 9/163:50 pm -
1 stop17h 05m
Deal found 8/12![Multiple Airlines logo]()
$1,119
This oojo deal was found by Cheapflights users on 8/12. 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 9/911:25 pm -
1 stop30h 20m
Wed 9/165:00 am -
2 stops34h 02m
Deal found 8/12![Fiji Airways logo]()
$1,180
One-way flights from San Francisco to TongaSearch for one-way flight options from San Francisco to Tonga. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from San Francisco to Tonga. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This oojo deal was found by Cheapflights users on 8/13. 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 12/236:03 pm -
2 stops23h 57m
Deal found 8/13![Multiple Airlines logo]()
$634
This oojo deal was found by Cheapflights users on 8/13. 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 12/239:50 pm -
1 stop20h 10m
Deal found 8/13![Fiji Airways logo]()
$876
This oojo deal was found by Cheapflights users on 8/13. 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 12/2010:05 pm -
1 stop30h 45m
Deal found 8/13![Fiji Airways logo]()
$1,330
This FlightHub deal was found by Cheapflights users on 8/15. 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 12/207:57 am -
2 stops27h 58m
Deal found 8/15![Multiple Airlines logo]()
$1,345
This FlightHub deal was found by Cheapflights users on 8/16. 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 12/2010:35 pm -
2 stops40h 25m
Deal found 8/16![Air New Zealand logo]()
$1,356
This FlightHub deal was found by Cheapflights users on 8/15. 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.
Sat 12/1910:35 pm -
2 stops37h 20m
Deal found 8/15![Air New Zealand logo]()
$1,690
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,082 (CheapOair) |
One-way from | $634 (oojo) |
Popular in | June |
Cheapest in | April |
Average price | $1,730 |
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 August 17, 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
Cheapest round-trip
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Wed 9/9
11:25 pm-1:45 am
1 stop30h 20m
Nuku‘alofa Fua'Amotu Intl
Wed 9/16
3:50 pm-12:55 pm
1 stop17h 05m
$1,119
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Wed 9/9
11:25 pm-1:45 am
1 stop30h 20m
Nuku‘alofa Fua'Amotu Intl
Wed 9/16
5:00 am-7:02 pm
2 stops34h 02m
$1,180
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Tue 9/1
4:31 pm-5:10 pm
2 stops28h 39m
Nuku‘alofa Fua'Amotu Intl
Tue 9/8
5:40 am-7:24 pm
2 stops33h 44m
$1,239
Quickest round-trip
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Sun 10/4
7:55 pm-10:35 am
2 stops18h 40m
Nuku‘alofa Fua'Amotu Intl
Sat 10/10
5:40 am-1:40 pm
1 stop28h 00m
$1,268
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Sun 12/13
2:00 pm-1:50 am
2 stops38h 50m
Nuku‘alofa Fua'Amotu Intl
Wed 12/30
11:20 am-9:41 pm
2 stops31h 21m
$1,412
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Mon 11/30
7:50 pm-12:00 pm
1 stop19h 10m
Nuku‘alofa Fua'Amotu Intl
Mon 12/7
9:40 pm-6:37 am
2 stops53h 57m
$1,611
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Sat 10/3
4:12 pm-1:45 am
2 stops37h 33m
Nuku‘alofa Fua'Amotu Intl
Fri 10/9
5:40 am-7:03 pm
2 stops33h 23m
$1,638
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Sun 12/6
10:05 pm-1:50 am
1 stop30h 45m
Nuku‘alofa Fua'Amotu Intl
Thu 12/10
4:00 pm-7:20 pm
3 stops48h 20m
$1,654
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Tue 10/6
7:57 pm-1:45 am
2 stops33h 48m
Nuku‘alofa Fua'Amotu Intl
Sat 10/10
3:55 pm-7:03 pm
2 stops23h 08m
$1,708
San FranciscoNuku‘alofa
SFO San Francisco - TBU Nuku‘alofa Fua'Amotu Intl
SFOTBU
San Francisco
Wed 12/23
10:15 am-1:05 am
2 stops41h 50m
Nuku‘alofa Fua'Amotu Intl
Fri 1/1
5:40 am-6:45 am
3 stops22h 05m
$1,779
Showing 1-10 of 14 resultsSorted 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.
SFO-TBU
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
SFO-TO0
SFO-TBU
How far ahead should I book a flight from San Francisco to Tonga?
Booking 71 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 August 17, 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.
Crew
8.5
Entertainment
7.4
Food
7.5
Overall
8.0
Comfort
8.0
Boarding
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2026
YVR - NAN
Crew
8.5
Entertainment
7.4
Food
7.5
Overall
8.0
Comfort
8.0
Boarding
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2026
YVR - NAN
Crew
8.5
Entertainment
7.4
Food
7.5
Overall
8.0
Comfort
8.0
Boarding
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2026
YVR - NAN
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.
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Alternative routes for San Francisco to Tonga
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Complete your trip
Complete your trip to Tonga by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Francisco to Tonga, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Tonga flights
Browse other San Francisco and Tonga flight options. Last updated on August 17, 2026.
Popular flight searches
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San Francisco to Tonga flights
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Fly to Tonga regions
Consider these flights traveling to Tonga regions.
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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$781 | Average$1,263 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,231 | Average$1,949 | FlexibilityNo cancel fee | On-time78% |