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Cheap flights from San Francisco to Saint John from C$ 915

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 21/7. 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
6:00 a.m. - 10:00 a.m.
SFO
-
YSJ
24h 00m
3 stops
Multiple Airlines Logo
5:00 a.m. - 12:32 p.m.
YSJ
-
SFO
11h 32m
1 stop
C$ 915Multiple Airlines
Tue, 21 Jul - Tue, 28 Jul
Air Canada Logo
7:30 p.m. - 11:55 a.m.
SFO
-
YSJ
12h 25m
2 stops
Air Canada Logo
5:00 a.m. - 10:45 a.m.
YSJ
-
SFO
9h 45m
1 stop
C$ 929Air Canada
Tue, 21 Jul - Tue, 28 Jul
Air Canada Logo
11:40 a.m. - 11:50 p.m.
SFO
-
YSJ
8h 10m
1 stop
Air Canada Logo
5:00 a.m. - 10:45 a.m.
YSJ
-
SFO
9h 45m
1 stop
C$ 935Air Canada
Tue, 21 Jul - Tue, 28 Jul
Air Canada Logo
11:35 a.m. - 11:51 p.m.
SFO
-
YSJ
8h 16m
1 stop
Air Canada Logo
5:40 a.m. - 10:39 a.m.
YSJ
-
SFO
8h 59m
1 stop
C$ 1,016Air Canada
Fri, 25 Sep - Sat, 3 Oct
Air Canada Logo
4:30 p.m. - 11:56 a.m.
SFO
-
YSJ
15h 26m
2 stops
Air Canada Logo
5:40 a.m. - 10:39 a.m.
YSJ
-
SFO
8h 59m
1 stop
C$ 1,024Air Canada
Wed, 30 Sep - Fri, 2 Oct
Air Canada Logo
4:30 p.m. - 11:56 a.m.
SFO
-
YSJ
15h 26m
2 stops
Air Canada Logo
5:40 a.m. - 3:21 p.m.
YSJ
-
SFO
13h 41m
2 stops
C$ 1,031Air Canada
Wed, 30 Sep - Fri, 2 Oct
Air Canada Logo
1:35 p.m. - 11:56 a.m.
SFO
-
YSJ
18h 21m
1 stop
Air Canada Logo
5:40 a.m. - 10:39 a.m.
YSJ
-
SFO
8h 59m
1 stop
C$ 1,050Air Canada
Wed, 30 Sep - Fri, 2 Oct
Air Canada Logo
4:40 p.m. - 11:55 a.m.
SFO
-
YSJ
15h 15m
1 stop
Air Canada Logo
5:00 a.m. - 12:32 p.m.
YSJ
-
SFO
11h 32m
1 stop
C$ 1,100Air Canada
Mon, 17 Aug - Thu, 20 Aug
Air Canada Logo
4:40 p.m. - 4:00 p.m.
SFO
-
YSJ
19h 20m
2 stops
Air Canada Logo
5:00 a.m. - 10:45 a.m.
YSJ
-
SFO
9h 45m
1 stop
C$ 1,111Air Canada
Mon, 17 Aug - Thu, 20 Aug
Air Canada Logo
12:35 a.m. - 3:59 p.m.
SFO
-
YSJ
11h 24m
2 stops
Air Canada Logo
4:40 p.m. - 9:48 p.m.
YSJ
-
SFO
9h 08m
1 stop
C$ 1,185Air Canada
Thu, 24 Sep - Sat, 3 Oct

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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
21 Jul
SFO7:30 p.m.San Francisco
12h 25m
2 stops
YSJ11:55 a.m.Saint John
28 Jul
YSJ5:00 a.m.Saint John
9h 45m
1 stop
SFO10:45 a.m.San Francisco
C$ 929
Air Canada
21 Jul
SFO11:40 a.m.San Francisco
8h 10m
1 stop
YSJ11:50 p.m.Saint John
28 Jul
YSJ5:00 a.m.Saint John
9h 45m
1 stop
SFO10:45 a.m.San Francisco
C$ 935
Air Canada
25 Sep
SFO11:35 a.m.San Francisco
8h 16m
1 stop
YSJ11:51 p.m.Saint John
3 Oct
YSJ5:40 a.m.Saint John
8h 59m
1 stop
SFO10:39 a.m.San Francisco
C$ 1,016

United Airlines flights from San Francisco to Saint John

Our best United Airlines deals on San Francisco to Saint John flight tickets
United Airlines
3 Aug
SFO11:30 p.m.San Francisco
12h 30m
2 stops
YSJ4:00 p.m.Saint John
10 Aug
YSJ4:40 p.m.Saint John
11h 52m
2 stops
SFO12:32 a.m.San Francisco
C$ 1,353
United Airlines
3 Aug
SFO8:30 a.m.San Francisco
12h 25m
1 stop
YSJ12:55 a.m.Saint John
10 Aug
YSJ4:40 p.m.Saint John
11h 52m
2 stops
SFO12:32 a.m.San Francisco
C$ 1,380
United Airlines
3 Aug
SFO8:30 a.m.San Francisco
12h 25m
1 stop
YSJ12:55 a.m.Saint John
10 Aug
YSJ5:00 a.m.Saint John
9h 45m
1 stop
SFO10:45 a.m.San Francisco
C$ 1,488

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 96,600 searches. Data last updated 24 June 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

Tue 21/7

6:00 a.m.-10:00 a.m.

3 stops24h 00m

Saint John

Tue 28/7

5:00 a.m.-12:32 p.m.

1 stop11h 32m

C$ 915

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 21/7

7:30 p.m.-11:55 a.m.

2 stops12h 25m

Saint John

Tue 28/7

5:00 a.m.-10:45 a.m.

1 stop9h 45m

C$ 929

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 21/7

11:40 a.m.-11:50 p.m.

1 stop8h 10m

Saint John

Tue 28/7

5:00 a.m.-10:45 a.m.

1 stop9h 45m

C$ 935
Quickest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 25/9

11:35 a.m.-11:51 p.m.

1 stop8h 16m

Saint John

Sat 3/10

5:40 a.m.-10:39 a.m.

1 stop8h 59m

C$ 1,016

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Wed 30/9

4:30 p.m.-11:56 a.m.

2 stops15h 26m

Saint John

Fri 2/10

5:40 a.m.-10:39 a.m.

1 stop8h 59m

C$ 1,024

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Wed 30/9

4:30 p.m.-11:56 a.m.

2 stops15h 26m

Saint John

Fri 2/10

5:40 a.m.-3:21 p.m.

2 stops13h 41m

C$ 1,031

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Wed 30/9

1:35 p.m.-11:56 a.m.

1 stop18h 21m

Saint John

Fri 2/10

5:40 a.m.-10:39 a.m.

1 stop8h 59m

C$ 1,050

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 17/8

4:40 p.m.-11:55 a.m.

1 stop15h 15m

Saint John

Thu 20/8

5:00 a.m.-12:32 p.m.

1 stop11h 32m

C$ 1,100

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 17/8

4:40 p.m.-4:00 p.m.

2 stops19h 20m

Saint John

Thu 20/8

5:00 a.m.-10:45 a.m.

1 stop9h 45m

C$ 1,111

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 24/9

12:35 a.m.-3:59 p.m.

2 stops11h 24m

Saint John

Sat 3/10

4:40 p.m.-9:48 p.m.

1 stop9h 08m

C$ 1,185

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?

    There are 4662.7 km between San Francisco and Saint John. A reasonable flight in good conditions will take 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 are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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?

    Price Alerts will notify you by email when the price for flights to Saint John from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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.

Travelling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex
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 recognizable 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 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 Saint John.

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

If you are not ready to book a flight from San Francisco to Saint John now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint John and let you know when they change.

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