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Cheap flights from San Francisco to Tonga from $559

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Tonga departing on 9/30. 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
0 bags

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Find the cheapest flights from San Francisco to Tonga

Cheap round-trip flights

Multiple Airlines Logo
4:15 pm - 3:25 pmSFO-TBU
26h 10m2 stops
Multiple Airlines Logo
1:10 pm - 11:05 amTBU-SFO
18h 55m1 stop
$1,057Multiple Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
10:05 pm - 3:25 pmSFO-TBU
20h 20m1 stop
Multiple Airlines Logo
1:10 pm - 7:05 amTBU-SFO
38h 55m1 stop
$1,081Multiple Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Fiji Airways Logo
10:05 pm - 1:05 amSFO-TBU
30h 00m1 stop
Fiji Airways Logo
4:25 pm - 6:24 pmTBU-SFO
22h 59m2 stops
$1,157Fiji Airways
Find Deal
Sun, Nov 2 - Sat, Nov 22
Fiji Airways Logo
4:15 pm - 3:25 pmSFO-TBU
26h 10m2 stops
Fiji Airways Logo
5:40 am - 3:44 pmTBU-SFO
31h 04m2 stops
$1,165Fiji Airways
Find Deal
Wed, Jan 28 - Wed, Feb 4
Fiji Airways Logo
11:25 pm - 1:05 amSFO-TBU
29h 40m1 stop
Fiji Airways Logo
11:20 am - 6:43 pmTBU-SFO
27h 23m2 stops
$1,168Fiji Airways
Find Deal
Sun, Oct 12 - Mon, Oct 27
Fiji Airways Logo
7:00 pm - 3:25 pmSFO-TBU
24h 25m2 stops
Fiji Airways Logo
4:25 pm - 6:26 pmTBU-SFO
23h 01m2 stops
$1,193Fiji Airways
Find Deal
Tue, Oct 21 - Thu, Nov 6
Multiple Airlines Logo
3:33 pm - 12:30 amSFO-TBU
35h 57m2 stops
Multiple Airlines Logo
10:25 am - 5:33 pmTBU-SFO
28h 08m2 stops
$1,220Multiple Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 17
Air New Zealand Logo
10:45 pm - 8:20 pmSFO-TBU
24h 35m1 stop
Air New Zealand Logo
11:20 am - 11:05 amTBU-SFO
20h 45m1 stop
$1,431Air New Zealand
Find Deal
Tue, Dec 2 - Wed, Dec 17
Air New Zealand Logo
9:05 pm - 10:10 amSFO-TBU
17h 05m1 stop
Air New Zealand Logo
11:20 am - 11:50 amTBU-SFO
20h 30m1 stop
$1,679Air New Zealand
Find Deal
Tue, Oct 7 - Tue, Oct 21
Air New Zealand Logo
1:25 pm - 11:55 amSFO-TBU
25h 30m2 stops
Air New Zealand Logo
9:35 pm - 11:05 amTBU-SFO
34h 30m1 stop
$1,693Air New Zealand
Find Deal
Mon, Nov 3 - Tue, Nov 25

Fiji Airways flights from San Francisco to Tonga

Our best Fiji Airways deals on San Francisco to Tonga flight tickets
Fiji Airways
Nov 2
SFO10:05 pmSan Francisco
30h 00m
1 stop
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Nov 22
TBU4:25 pmNuku‘alofa Fua'Amotu Intl
22h 59m
2 stops
SFO6:24 pmSan Francisco
$1,157
Find similar
Fiji Airways
Jan 28
SFO4:15 pmSan Francisco
26h 10m
2 stops
TBU3:25 pmNuku‘alofa Fua'Amotu Intl
Feb 4
TBU5:40 amNuku‘alofa Fua'Amotu Intl
31h 04m
2 stops
SFO3:44 pmSan Francisco
$1,165
Find similar
Fiji Airways
Oct 12
SFO11:25 pmSan Francisco
29h 40m
1 stop
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Oct 27
TBU11:20 amNuku‘alofa Fua'Amotu Intl
27h 23m
2 stops
SFO6:43 pmSan Francisco
$1,168
Find similar

Air New Zealand flights from San Francisco to Tonga

Our best Air New Zealand deals on San Francisco to Tonga flight tickets
Air New Zealand
Dec 2
SFO10:45 pmSan Francisco
24h 35m
1 stop
TBU8:20 pmNuku‘alofa Fua'Amotu Intl
Dec 17
TBU11:20 amNuku‘alofa Fua'Amotu Intl
20h 45m
1 stop
SFO11:05 amSan Francisco
$1,431
Find similar
Air New Zealand
Oct 7
SFO9:05 pmSan Francisco
17h 05m
1 stop
TBU10:10 amNuku‘alofa Fua'Amotu Intl
Oct 21
TBU11:20 amNuku‘alofa Fua'Amotu Intl
20h 30m
1 stop
SFO11:50 amSan Francisco
$1,679
Find similar
Air New Zealand
Nov 3
SFO1:25 pmSan Francisco
25h 30m
2 stops
TBU11:55 amNuku‘alofa Fua'Amotu Intl
Nov 25
TBU9:35 pmNuku‘alofa Fua'Amotu Intl
34h 30m
1 stop
SFO11:05 amSan Francisco
$1,693
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 1/28

4:15 pm-3:25 pm

2 stops26h 10m

Nuku‘alofa Fua'Amotu Intl

Wed 2/4

1:10 pm-11:05 am

1 stop18h 55m

$1,057

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 1/28

10:05 pm-3:25 pm

1 stop20h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 2/4

1:10 pm-7:05 am

1 stop38h 55m

$1,081

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 11/2

10:05 pm-1:05 am

1 stop30h 00m

Nuku‘alofa Fua'Amotu Intl

Sat 11/22

4:25 pm-6:24 pm

2 stops22h 59m

$1,157

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 1/28

4:15 pm-3:25 pm

2 stops26h 10m

Nuku‘alofa Fua'Amotu Intl

Wed 2/4

5:40 am-3:44 pm

2 stops31h 04m

$1,165

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sun 10/12

11:25 pm-1:05 am

1 stop29h 40m

Nuku‘alofa Fua'Amotu Intl

Mon 10/27

11:20 am-6:43 pm

2 stops27h 23m

$1,168

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 10/21

7:00 pm-3:25 pm

2 stops24h 25m

Nuku‘alofa Fua'Amotu Intl

Thu 11/6

4:25 pm-6:26 pm

2 stops23h 01m

$1,193

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 12/2

3:33 pm-12:30 am

2 stops35h 57m

Nuku‘alofa Fua'Amotu Intl

Wed 12/17

10:25 am-5:33 pm

2 stops28h 08m

$1,220

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 12/2

10:45 pm-8:20 pm

1 stop24h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 12/17

11:20 am-11:05 am

1 stop20h 45m

$1,431

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 10/7

9:05 pm-10:10 am

1 stop17h 05m

Nuku‘alofa Fua'Amotu Intl

Tue 10/21

11:20 am-11:50 am

1 stop20h 30m

$1,679

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Mon 11/3

1:25 pm-11:55 am

2 stops25h 30m

Nuku‘alofa Fua'Amotu Intl

Tue 11/25

9:35 pm-11:05 am

1 stop34h 30m

$1,693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Tonga from

How to get the cheapest flight ticket from San Francisco to Tonga

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Tonga?

In general, May is the cheapest month to fly from San Francisco to Tonga. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,064. The month of February is another great option to travel to Tonga, with average flight prices from San Francisco averaging around $1,093.

What is the cheapest day to depart on your flight to Tonga?

The cheapest day to depart on your flight to Tonga is on a Tuesday when prices can be found for as low as $1,329. This is often the case because there is less demand to fly during this day of the week. Flights from San Francisco to Tonga on a Monday will generally be more expensive and average around $1,661. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Tonga?

Our most recent data shows that the best time of day to fly to Tonga is in the evening. Flights from San Francisco to Tonga during this time can be as low as $1,421. In the afternoon is when there is more demand to fly to Tonga, so prices are often more expensive at around $1,877 per ticket.

How far in advance should I book a flight to Tonga?

You are more likely to see cheaper flights to Tonga from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Tonga for around $1,390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tonga from San Francisco for as low as $1,091 on momondo.

Can stopping save me money on San Francisco to Tonga flights?

You could potentially save up to 21% on your flight if you consider stops on a San Francisco to Tonga flight.

Cheap San Francisco to Tonga flight deals and tips

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

Direct flights

None
There are no direct flights from San Francisco to Tonga. There are no popular flight routes from San Francisco to Tonga.
Search flight deals

  • When did momondo last update prices for flights from San Francisco Airport to Tonga?

    Prices for flights from San Francisco Airport to Tonga are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Tonga?

  • How old do you have to be to fly from San Francisco Airport to Tonga?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Tonga.

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

    The travel and health documents you'll need for your trip to Tonga may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tonga. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Francisco to Tonga

Compare and see reviews for airlines that fly from San Francisco to Tonga with momondo
Airline
Rating
Free Cancellation
Price
Fiji AirwaysPriceFrom $618Free CancellationRating
8.0
205 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,411Free CancellationRating
8.0
505 reviews
Search Air New Zealand flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Tonga. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Tonga from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Tonga?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Tonga.

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

Price alerts on flights to Tonga from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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 $1,106