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Cheap flights from San Francisco to Tonga from $539

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
11:10 pm - 1:45 am
SFO
-
TBU
30h 35m
1 stop
Fiji Airways Logo
5:40 am - 1:40 pm
TBU
-
SFO
28h 00m
1 stop
$954Fiji Airways
Wed, Jun 24 - Wed, Jul 8
Multiple Airlines Logo
11:10 pm - 1:45 am
SFO
-
TBU
30h 35m
1 stop
Multiple Airlines Logo
5:40 am - 8:57 pm
TBU
-
SFO
35h 17m
2 stops
$1,088Multiple Airlines
Wed, Jun 24 - Wed, Jul 8
Fiji Airways Logo
6:08 pm - 1:45 am
SFO
-
TBU
35h 37m
2 stops
Fiji Airways Logo
5:40 am - 1:40 pm
TBU
-
SFO
28h 00m
1 stop
$1,089Fiji Airways
Tue, Jun 30 - Wed, Jul 8
Multiple Airlines Logo
10:15 am - 3:55 pm
SFO
-
TBU
33h 40m
2 stops
Multiple Airlines Logo
4:55 pm - 1:55 pm
TBU
-
SFO
17h 00m
1 stop
$1,099Multiple Airlines
Thu, Jun 11 - Sat, Aug 8
Fiji Airways Logo
7:54 pm - 1:45 am
SFO
-
TBU
33h 51m
2 stops
Fiji Airways Logo
11:20 am - 1:40 pm
TBU
-
SFO
22h 20m
1 stop
$1,157Fiji Airways
Sat, Aug 22 - Wed, Aug 26
Fiji Airways Logo
7:45 pm - 10:35 am
SFO
-
TBU
18h 50m
2 stops
Fiji Airways Logo
5:40 am - 6:43 pm
TBU
-
SFO
33h 03m
2 stops
$1,177Fiji Airways
Sat, Sep 26 - Sat, Oct 10
Fiji Airways Logo
4:31 pm - 1:45 am
SFO
-
TBU
37h 14m
2 stops
Fiji Airways Logo
11:20 am - 1:40 pm
TBU
-
SFO
22h 20m
1 stop
$1,186Fiji Airways
Sat, Aug 22 - Wed, Aug 26
Fiji Airways Logo
8:11 pm - 3:55 pm
SFO
-
TBU
23h 44m
2 stops
Fiji Airways Logo
11:20 am - 7:21 pm
TBU
-
SFO
28h 01m
2 stops
$1,192Fiji Airways
Thu, Jul 9 - Mon, Jul 20
Multiple Airlines Logo
4:30 pm - 1:45 am
SFO
-
TBU
37h 15m
2 stops
Multiple Airlines Logo
5:40 am - 8:57 pm
TBU
-
SFO
35h 17m
2 stops
$1,194Multiple Airlines
Wed, Jun 24 - Wed, Jul 8
Multiple Airlines Logo
7:25 pm - 3:55 pm
SFO
-
TBU
24h 30m
2 stops
Multiple Airlines Logo
11:20 am - 5:36 pm
TBU
-
SFO
26h 16m
2 stops
$1,196Multiple Airlines
Thu, May 14 - Thu, May 28

Fiji Airways flights from San Francisco to Tonga

Our best Fiji Airways deals on San Francisco to Tonga flight tickets
Fiji Airways
Jun 24
SFO11:10 pmSan Francisco
30h 35m
1 stop
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 8
TBU5:40 amNuku‘alofa Fua'Amotu Intl
28h 00m
1 stop
SFO1:40 pmSan Francisco
$954
Fiji Airways
Apr 19
SFO10:35 pmSan Francisco
16h 00m
1 stop
TBU10:35 amNuku‘alofa Fua'Amotu Intl
Jul 31
TBU5:40 amNuku‘alofa Fua'Amotu Intl
28h 00m
1 stop
SFO1:40 pmSan Francisco
$987
Fiji Airways
Jun 30
SFO6:08 pmSan Francisco
35h 37m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 8
TBU5:40 amNuku‘alofa Fua'Amotu Intl
28h 00m
1 stop
SFO1:40 pmSan Francisco
$1,089

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
Apr 20
SFO10:05 pmSan Francisco
21h 05m
1 stop
TBU3:10 pmNuku‘alofa Fua'Amotu Intl
May 16
TBU8:55 pmNuku‘alofa Fua'Amotu Intl
36h 00m
1 stop
SFO12:55 pmSan Francisco
$1,812
Air New Zealand
Apr 25
SFO4:10 pmSan Francisco
22h 35m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
May 11
TBU11:55 amNuku‘alofa Fua'Amotu Intl
21h 00m
1 stop
SFO12:55 pmSan Francisco
$2,016
Air New Zealand
Apr 25
SFO4:10 pmSan Francisco
22h 35m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
May 11
TBU11:55 amNuku‘alofa Fua'Amotu Intl
21h 00m
1 stop
SFO12:55 pmSan Francisco
$2,017

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 April 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

Price

Cheapest round-trip

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 6/24

11:10 pm-1:45 am

1 stop30h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 7/8

5:40 am-1:40 pm

1 stop28h 00m

$954

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 6/24

11:10 pm-1:45 am

1 stop30h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 7/8

5:40 am-8:57 pm

2 stops35h 17m

$1,088

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Tue 6/30

6:08 pm-1:45 am

2 stops35h 37m

Nuku‘alofa Fua'Amotu Intl

Wed 7/8

5:40 am-1:40 pm

1 stop28h 00m

$1,089
Quickest round-trip

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Thu 6/11

10:15 am-3:55 pm

2 stops33h 40m

Nuku‘alofa Fua'Amotu Intl

Sat 8/8

4:55 pm-1:55 pm

1 stop17h 00m

$1,099

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 8/22

7:54 pm-1:45 am

2 stops33h 51m

Nuku‘alofa Fua'Amotu Intl

Wed 8/26

11:20 am-1:40 pm

1 stop22h 20m

$1,157

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 9/26

7:45 pm-10:35 am

2 stops18h 50m

Nuku‘alofa Fua'Amotu Intl

Sat 10/10

5:40 am-6:43 pm

2 stops33h 03m

$1,177

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Sat 8/22

4:31 pm-1:45 am

2 stops37h 14m

Nuku‘alofa Fua'Amotu Intl

Wed 8/26

11:20 am-1:40 pm

1 stop22h 20m

$1,186

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Thu 7/9

8:11 pm-3:55 pm

2 stops23h 44m

Nuku‘alofa Fua'Amotu Intl

Mon 7/20

11:20 am-7:21 pm

2 stops28h 01m

$1,192

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Wed 6/24

4:30 pm-1:45 am

2 stops37h 15m

Nuku‘alofa Fua'Amotu Intl

Wed 7/8

5:40 am-8:57 pm

2 stops35h 17m

$1,194

San FranciscoNuku‘alofa

SFO - TBU

SFOTBU

San Francisco

Thu 5/14

7:25 pm-3:55 pm

2 stops24h 30m

Nuku‘alofa Fua'Amotu Intl

Thu 5/28

11:20 am-5:36 pm

2 stops26h 16m

$1,196

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, March 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 $899. The month of April is another great option to travel to Tonga, with average flight prices from San Francisco averaging around $935.

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 $1,270 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 $1,051 on momondo.

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

You could potentially save up to 19% 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

Fastest flight time

23h 19m

Direct flights

None
The fastest flight from San Francisco to Tonga takes 23h 19m
There are no direct flights from San Francisco to Tonga. There are no popular flight routes from San Francisco to Tonga.
Search flight deals

Frequently asked questions about flying from San Francisco to Tonga

  • 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 $590Free CancellationRating
8.1
240 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,231Free CancellationRating
8.0
627 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 $926