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Cheap flights from San Francisco to Saint John from $192

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 Saint John departing on 10/1. 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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Find the cheapest flights from San Francisco to Saint John

Cheap round-trip flights

Air Canada Logo
7:10 am - 11:51 pmSFO-YSJ
12h 41m2 stops
Air Canada Logo
5:40 am - 1:30 pmYSJ-SFO
11h 50m1 stop
$545Air Canada
Find Deal
Fri, Oct 24 - Fri, Oct 31
Air Canada Logo
7:10 am - 11:51 pmSFO-YSJ
12h 41m2 stops
Air Canada Logo
11:55 am - 9:34 pmYSJ-SFO
13h 39m2 stops
$550Air Canada
Find Deal
Fri, Oct 24 - Fri, Oct 31
Air Canada Logo
8:30 am - 10:49 amSFO-YSJ
22h 19m1 stop
Air Canada Logo
5:40 am - 1:30 pmYSJ-SFO
11h 50m1 stop
$566Air Canada
Find Deal
Fri, Oct 24 - Fri, Oct 31
Air Canada Logo
8:25 am - 11:15 amSFO-YSJ
22h 50m1 stop
Air Canada Logo
6:15 pm - 9:34 pmYSJ-SFO
31h 19m1 stop
$600Air Canada
Find Deal
Sun, Oct 26 - Sun, Nov 2
Logo
10:15 am - 11:15 amSFO-YSJ
21h 00m3 stops
Logo
6:15 pm - 9:34 pmYSJ-SFO
31h 19m1 stop
$630
Find Deal
Sun, Oct 26 - Sun, Nov 2
Air Canada Logo
2:30 pm - 11:15 amSFO-YSJ
16h 45m2 stops
Air Canada Logo
11:55 am - 9:22 pmYSJ-SFO
13h 27m1 stop
$654Air Canada
Find Deal
Sun, Oct 26 - Sun, Nov 2
United Airlines Logo
12:43 am - 5:40 pmSFO-YSJ
12h 57m2 stops
United Airlines Logo
5:40 am - 1:30 pmYSJ-SFO
11h 50m1 stop
$657United Airlines
Find Deal
Thu, Oct 23 - Fri, Oct 31
United Airlines Logo
12:43 am - 5:40 pmSFO-YSJ
12h 57m2 stops
United Airlines Logo
11:55 am - 9:10 pmYSJ-SFO
13h 15m2 stops
$665United Airlines
Find Deal
Thu, Oct 23 - Fri, Oct 31
Logo
10:15 am - 11:15 amSFO-YSJ
21h 00m3 stops
Logo
11:55 am - 8:34 pmYSJ-SFO
12h 39m2 stops
$922
Find Deal
Sun, Oct 26 - Sun, Nov 2

Air Canada flights from San Francisco to Saint John

Our best Air Canada deals on San Francisco to Saint John flight tickets
Air Canada
Oct 24
SFO7:10 amSan Francisco
12h 41m
2 stops
YSJ11:51 pmSaint John
Oct 31
YSJ5:40 amSaint John
11h 50m
1 stop
SFO1:30 pmSan Francisco
$545
Find similar
Air Canada
Oct 24
SFO7:10 amSan Francisco
12h 41m
2 stops
YSJ11:51 pmSaint John
Oct 31
YSJ11:55 amSaint John
13h 39m
2 stops
SFO9:34 pmSan Francisco
$550
Find similar
Air Canada
Oct 24
SFO8:30 amSan Francisco
22h 19m
1 stop
YSJ10:49 amSaint John
Oct 31
YSJ5:40 amSaint John
11h 50m
1 stop
SFO1:30 pmSan Francisco
$566
Find similar

United Airlines flights from San Francisco to Saint John

Our best United Airlines deals on San Francisco to Saint John flight tickets
United Airlines
Oct 23
SFO12:43 amSan Francisco
12h 57m
2 stops
YSJ5:40 pmSaint John
Oct 31
YSJ5:40 amSaint John
11h 50m
1 stop
SFO1:30 pmSan Francisco
$657
Find similar
United Airlines
Oct 23
SFO12:43 amSan Francisco
12h 57m
2 stops
YSJ5:40 pmSaint John
Oct 31
YSJ11:55 amSaint John
13h 15m
2 stops
SFO9:10 pmSan Francisco
$665
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Saint John 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 11, 2025.
Use the filters below to find and compare flights from San Francisco to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 10/24

7:10 am-11:51 pm

2 stops12h 41m

Saint John

Fri 10/31

5:40 am-1:30 pm

1 stop11h 50m

$545

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 10/24

7:10 am-11:51 pm

2 stops12h 41m

Saint John

Fri 10/31

11:55 am-9:34 pm

2 stops13h 39m

$550

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 10/24

8:30 am-10:49 am

1 stop22h 19m

Saint John

Fri 10/31

5:40 am-1:30 pm

1 stop11h 50m

$566

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

8:25 am-11:15 am

1 stop22h 50m

Saint John

Sun 11/2

6:15 pm-9:34 pm

1 stop31h 19m

$600

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

10:15 am-11:15 am

3 stops21h 00m

Saint John

Sun 11/2

6:15 pm-9:34 pm

1 stop31h 19m

$630

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

2:30 pm-11:15 am

2 stops16h 45m

Saint John

Sun 11/2

11:55 am-9:22 pm

1 stop13h 27m

$654

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 10/23

12:43 am-5:40 pm

2 stops12h 57m

Saint John

Fri 10/31

5:40 am-1:30 pm

1 stop11h 50m

$657

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 10/23

12:43 am-5:40 pm

2 stops12h 57m

Saint John

Fri 10/31

11:55 am-9:10 pm

2 stops13h 15m

$665

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

10:15 am-11:15 am

3 stops21h 00m

Saint John

Sun 11/2

11:55 am-8:34 pm

2 stops12h 39m

$922

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Wed 10/1

10:15 am-10:00 am

3 stops43h 45m

$192

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Francisco to Saint John

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

Can stopping save me money on San Francisco to Saint John flights?

You could potentially save up to 27% on your flight if you consider stops on a San Francisco to Saint John flight.

When to book flights from San Francisco to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Saint John (SFO to YSJ) flight deals and tips

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

Direct flights

None
There are no direct flights from San Francisco to Saint John. There are no popular flight routes from San Francisco to Saint John.
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  • How far is San Francisco to Saint John by plane?

    The straight-line distance from San Francisco to Saint John is 2897.4 mi. In terms of flight time, this usually takes a little over 12h 41m.

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

    Prices for flights from San Francisco Airport to Saint John Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The travel and health documents required for your trip to Saint John Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint John Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Saint John from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint John quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for San Francisco to Saint John flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between San Francisco and Saint John by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for San Francisco to Saint John flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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