Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Francisco to Saint John from C$ 1,205

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 14/9. 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.
Air Canada Logo
10:45 p.m. - 11:56 a.m.SFO  San Francisco-YSJ Saint John
9h 11m1 stop Toronto Pearson Intl
Air Canada Logo
5:00 a.m. - 10:44 a.m.YSJ  Saint John-SFO San Francisco
9h 44m1 stop Toronto Pearson Intl
C$ 1,205Air Canada
Mon, 14 Sep - Wed, 16 Sep
Air Canada Logo
11:35 a.m. - 11:51 p.m.SFO  San Francisco-YSJ Saint John
8h 16m1 stop Toronto Pearson Intl
Air Canada Logo
5:00 a.m. - 3:21 p.m.YSJ  Saint John-SFO San Francisco
14h 21m2 stops Toronto Pearson Intl Vancouver Intl
C$ 1,212Air Canada
Mon, 14 Sep - Wed, 16 Sep
Air Canada Logo
4:30 p.m. - 11:56 a.m.SFO  San Francisco-YSJ Saint John
15h 26m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:00 a.m. - 10:44 a.m.YSJ  Saint John-SFO San Francisco
9h 44m1 stop Toronto Pearson Intl
C$ 1,214Air Canada
Fri, 11 Sep - Sat, 19 Sep
Air Canada Logo
6:40 a.m. - 11:51 p.m.SFO  San Francisco-YSJ Saint John
13h 11m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:00 a.m. - 3:21 p.m.YSJ  Saint John-SFO San Francisco
14h 21m2 stops Toronto Pearson Intl Vancouver Intl
C$ 1,221Air Canada
Mon, 14 Sep - Wed, 16 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from San Francisco to Saint John

Our best Air Canada deals on San Francisco to Saint John flight tickets
Air Canada
14 Sep
SFO10:45 p.m.San Francisco
9h 11m
1 stop
YSJ11:56 a.m.Saint John
16 Sep
YSJ5:00 a.m.Saint John
9h 44m
1 stop
SFO10:44 a.m.San Francisco
C$ 1,205
Air Canada
14 Sep
SFO11:35 a.m.San Francisco
8h 16m
1 stop
YSJ11:51 p.m.Saint John
16 Sep
YSJ5:00 a.m.Saint John
14h 21m
2 stops
SFO3:21 p.m.San Francisco
C$ 1,212
Air Canada
11 Sep
SFO4:30 p.m.San Francisco
15h 26m
2 stops
YSJ11:56 a.m.Saint John
19 Sep
YSJ5:00 a.m.Saint John
9h 44m
1 stop
SFO10:44 a.m.San Francisco
C$ 1,214

United Airlines flights from San Francisco to Saint John

Our best United Airlines deals on San Francisco to Saint John flight tickets
United Airlines
12 Aug
SFO11:40 a.m.San Francisco
9h 15m
1 stop
YSJ12:55 a.m.Saint John
18 Aug
YSJ4:40 p.m.Saint John
9h 08m
1 stop
SFO9:48 p.m.San Francisco
C$ 2,147
United Airlines
11 Aug
SFO12:35 a.m.San Francisco
11h 25m
2 stops
YSJ4:00 p.m.Saint John
18 Aug
YSJ4:40 p.m.Saint John
9h 08m
1 stop
SFO9:48 p.m.San Francisco
C$ 2,154
United Airlines
11 Aug
SFO12:35 a.m.San Francisco
11h 25m
2 stops
YSJ4:00 p.m.Saint John
18 Aug
YSJ4:40 p.m.Saint John
11h 50m
2 stops
SFO12:30 a.m.San Francisco
C$ 2,175

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 9 August 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
Quickest round-trip

San FranciscoSaint John

SFO San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Mon 14/9

10:45 p.m.-11:56 a.m.

1 stop9h 11m

Saint John

Wed 16/9

5:00 a.m.-10:44 a.m.

1 stop9h 44m

C$ 1,205

San FranciscoSaint John

SFO San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Mon 14/9

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

1 stop8h 16m

Saint John

Wed 16/9

5:00 a.m.-3:21 p.m.

2 stops14h 21m

C$ 1,212

San FranciscoSaint John

SFO San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Fri 11/9

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

2 stops15h 26m

Saint John

Sat 19/9

5:00 a.m.-10:44 a.m.

1 stop9h 44m

C$ 1,214

San FranciscoSaint John

SFO San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Mon 14/9

6:40 a.m.-11:51 p.m.

2 stops13h 11m

Saint John

Wed 16/9

5:00 a.m.-3:21 p.m.

2 stops14h 21m

C$ 1,221

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

9h 15m

Direct flights

None
The fastest flight from San Francisco to Saint John takes 9h 15m
There are no direct flights from San Francisco to Saint John. There are no popular flight routes from San Francisco to Saint John.
Search flight deals

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 9h 15m.

  • 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.

An easier way to manage your Saint John trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/9
Tue 15/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada