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Cheap flights from San Francisco to Saint John from $684

This is the cheapest round-trip 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 8/20. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Francisco to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 10:00 am
SFO
-
YSJ
16h 40m
1 stop
Multiple Airlines Logo
10:45 am - 9:55 pm
YSJ
-
SFO
15h 10m
2 stops
$684Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
1:20 pm - 10:00 am
SFO
-
YSJ
16h 40m
1 stop
Multiple Airlines Logo
10:45 am - 12:00 pm
YSJ
-
SFO
29h 15m
3 stops
$772Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
1:20 pm - 10:00 am
SFO
-
YSJ
16h 40m
1 stop
Multiple Airlines Logo
10:45 am - 12:20 pm
YSJ
-
SFO
29h 35m
1 stop
$840Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Air Canada Logo
11:35 am - 11:51 pm
SFO
-
YSJ
8h 16m
1 stop
Air Canada Logo
5:40 am - 12:34 pm
YSJ
-
SFO
10h 54m
1 stop
$854Air Canada
Mon, Oct 12 - Fri, Oct 16
Air Canada Logo
11:35 am - 11:51 pm
SFO
-
YSJ
8h 16m
1 stop
Air Canada Logo
5:40 am - 3:21 pm
YSJ
-
SFO
13h 41m
2 stops
$859Air Canada
Mon, Oct 12 - Fri, Oct 16
Air Canada Logo
7:10 am - 11:51 pm
SFO
-
YSJ
12h 41m
2 stops
Air Canada Logo
5:40 am - 3:21 pm
YSJ
-
SFO
13h 41m
2 stops
$865Air Canada
Mon, Oct 12 - Fri, Oct 16
Air Canada Logo
4:30 pm - 11:51 am
SFO
-
YSJ
15h 21m
2 stops
Air Canada Logo
5:00 am - 10:44 am
YSJ
-
SFO
9h 44m
1 stop
$870Air Canada
Fri, Sep 18 - Wed, Sep 23
Air Canada Logo
4:30 pm - 11:51 am
SFO
-
YSJ
15h 21m
2 stops
Air Canada Logo
5:00 am - 3:21 pm
YSJ
-
SFO
14h 21m
2 stops
$875Air Canada
Fri, Sep 18 - Wed, Sep 23
Air Canada Logo
11:35 am - 11:51 pm
SFO
-
YSJ
8h 16m
1 stop
Air Canada Logo
5:40 am - 12:34 pm
YSJ
-
SFO
10h 54m
1 stop
$876Air Canada
Mon, Oct 12 - Fri, Oct 16
Air Canada Logo
11:35 am - 11:51 pm
SFO
-
YSJ
8h 16m
1 stop
Air Canada Logo
5:40 am - 3:21 pm
YSJ
-
SFO
13h 41m
2 stops
$881Air Canada
Mon, Oct 12 - Fri, Oct 16

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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 12
SFO11:35 amSan Francisco
8h 16m
1 stop
YSJ11:51 pmSaint John
Oct 16
YSJ5:40 amSaint John
10h 54m
1 stop
SFO12:34 pmSan Francisco
$854
Air Canada
Oct 12
SFO11:35 amSan Francisco
8h 16m
1 stop
YSJ11:51 pmSaint John
Oct 16
YSJ5:40 amSaint John
13h 41m
2 stops
SFO3:21 pmSan Francisco
$859
Air Canada
Oct 12
SFO7:10 amSan Francisco
12h 41m
2 stops
YSJ11:51 pmSaint John
Oct 16
YSJ5:40 amSaint John
13h 41m
2 stops
SFO3:21 pmSan Francisco
$865

United Airlines flights from San Francisco to Saint John

Our best United Airlines deals on San Francisco to Saint John flight tickets
United Airlines
Sep 12
SFO10:51 pmSan Francisco
9h 05m
1 stop
YSJ11:56 amSaint John
Sep 19
YSJ4:40 pmSaint John
9h 08m
1 stop
SFO9:48 pmSan Francisco
$946
United Airlines
Sep 12
SFO10:35 pmSan Francisco
13h 24m
2 stops
YSJ3:59 pmSaint John
Sep 19
YSJ4:40 pmSaint John
9h 08m
1 stop
SFO9:48 pmSan Francisco
$951
United Airlines
Sep 11
SFO12:55 amSan Francisco
11h 04m
2 stops
YSJ3:59 pmSaint John
Sep 19
YSJ4:40 pmSaint John
11h 50m
2 stops
SFO12:30 amSan Francisco
$967

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 July 30, 2026.
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

Cheapest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 8/20

1:20 pm-10:00 am

1 stop16h 40m

Saint John

Wed 8/26

10:45 am-9:55 pm

2 stops15h 10m

$684

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 8/20

1:20 pm-10:00 am

1 stop16h 40m

Saint John

Wed 8/26

10:45 am-12:00 pm

3 stops29h 15m

$772

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 8/20

1:20 pm-10:00 am

1 stop16h 40m

Saint John

Wed 8/26

10:45 am-12:20 pm

1 stop29h 35m

$840
Quickest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 10/12

11:35 am-11:51 pm

1 stop8h 16m

Saint John

Fri 10/16

5:40 am-12:34 pm

1 stop10h 54m

$854

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 10/12

11:35 am-11:51 pm

1 stop8h 16m

Saint John

Fri 10/16

5:40 am-3:21 pm

2 stops13h 41m

$859

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 10/12

7:10 am-11:51 pm

2 stops12h 41m

Saint John

Fri 10/16

5:40 am-3:21 pm

2 stops13h 41m

$865

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 9/18

4:30 pm-11:51 am

2 stops15h 21m

Saint John

Wed 9/23

5:00 am-10:44 am

1 stop9h 44m

$870

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 9/18

4:30 pm-11:51 am

2 stops15h 21m

Saint John

Wed 9/23

5:00 am-3:21 pm

2 stops14h 21m

$875

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 10/12

11:35 am-11:51 pm

1 stop8h 16m

Saint John

Fri 10/16

5:40 am-12:34 pm

1 stop10h 54m

$876

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 10/12

11:35 am-11:51 pm

1 stop8h 16m

Saint John

Fri 10/16

5:40 am-3:21 pm

2 stops13h 41m

$881

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

8h 16m

Direct flights

None
The fastest flight from San Francisco to Saint John takes 8h 16m
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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Frequently asked questions about flying from San Francisco to Saint John

  • How far is San Francisco to Saint John by plane?

    The straight-line distance from San Francisco to Saint John is 2897.3 mi. In terms of flight time, this usually takes a little over 8h 16m.

  • 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.

Frequently asked questions about flying from San Francisco to Saint John

  • How do I get Price Alerts for flights from San Francisco to Saint John?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to San Francisco from Saint John. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from San Francisco to Saint John with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex
Bridgetown
Middleton

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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