Cheap flights from Saint John to San Francisco from C$ 339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to San Francisco departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:15 p.m. - 5:36 p.m.YSJ-SFO
29h 21m2 stops
Air Canada Logo
9:23 p.m. - 11:29 p.m.SFO-YSJ
22h 06m2 stops
C$ 644Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
4:15 p.m. - 9:22 p.m.YSJ-SFO
9h 07m1 stop
Air Canada Logo
8:25 a.m. - 3:40 p.m.SFO-YSJ
27h 15m1 stop
C$ 674Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan
United Airlines Logo
4:15 p.m. - 9:22 p.m.YSJ-SFO
9h 07m1 stop
United Airlines Logo
4:55 p.m. - 3:40 p.m.SFO-YSJ
18h 45m2 stops
C$ 777United Airlines
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
4:15 p.m. - 9:22 p.m.YSJ-SFO
9h 07m1 stop
Air Canada Logo
11:15 p.m. - 11:29 p.m.SFO-YSJ
20h 14m2 stops
C$ 782Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
5:40 a.m. - 3:35 p.m.YSJ-SFO
13h 55m2 stops
Air Canada Logo
1:20 p.m. - 10:39 a.m.SFO-YSJ
17h 19m2 stops
C$ 785Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
5:40 a.m. - 3:35 p.m.YSJ-SFO
13h 55m2 stops
Air Canada Logo
1:20 p.m. - 10:39 a.m.SFO-YSJ
17h 19m2 stops
C$ 786Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air Canada Logo
4:15 p.m. - 9:22 p.m.YSJ-SFO
9h 07m1 stop
Air Canada Logo
2:30 p.m. - 11:29 p.m.SFO-YSJ
28h 59m1 stop
C$ 788Air Canada
Find Deal
Wed, 21 Jan - Sun, 25 Jan

Air Canada flights from Saint John to San Francisco

Our best Air Canada deals on Saint John to San Francisco flight tickets
Air Canada
21 Jan
YSJ4:15 p.m.Saint John
29h 21m
2 stops
SFO5:36 p.m.San Francisco
25 Jan
SFO9:23 p.m.San Francisco
22h 06m
2 stops
YSJ11:29 p.m.Saint John
Air Canada
21 Jan
YSJ4:15 p.m.Saint John
9h 07m
1 stop
SFO9:22 p.m.San Francisco
25 Jan
SFO8:25 a.m.San Francisco
27h 15m
1 stop
YSJ3:40 p.m.Saint John
Air Canada
21 Jan
YSJ4:15 p.m.Saint John
9h 07m
1 stop
SFO9:22 p.m.San Francisco
25 Jan
SFO11:15 p.m.San Francisco
20h 14m
2 stops
YSJ11:29 p.m.Saint John

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to San Francisco 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 3 December 2025.
Use the filters below to find and compare flights from Saint John to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

4:15 p.m.-5:36 p.m.

2 stops29h 21m

San Francisco

Sun 25/1

9:23 p.m.-11:29 p.m.

2 stops22h 06m

C$ 644

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

San Francisco

Sun 25/1

8:25 a.m.-3:40 p.m.

1 stop27h 15m

C$ 674

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

San Francisco

Sun 25/1

4:55 p.m.-3:40 p.m.

2 stops18h 45m

C$ 777

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

San Francisco

Sun 25/1

11:15 p.m.-11:29 p.m.

2 stops20h 14m

C$ 782

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

5:40 a.m.-3:35 p.m.

2 stops13h 55m

San Francisco

Sun 25/1

1:20 p.m.-10:39 a.m.

2 stops17h 19m

C$ 785

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

5:40 a.m.-3:35 p.m.

2 stops13h 55m

San Francisco

Sun 25/1

1:20 p.m.-10:39 a.m.

2 stops17h 19m

C$ 786

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 21/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

San Francisco

Sun 25/1

2:30 p.m.-11:29 p.m.

1 stop28h 59m

C$ 788

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 16/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

C$ 339

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 16/1

5:40 a.m.-3:27 p.m.

2 stops13h 47m

C$ 381

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sat 17/1

4:15 p.m.-9:22 p.m.

1 stop9h 07m

C$ 390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Saint John to San Francisco

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 airline that flies from Saint John to San Francisco?

Air Canada and United Airlines are the most popular carriers operating from Saint John to San Francisco

When to book flights from Saint John to San Francisco

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

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

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

Fastest flight time

9h 07m

Direct flights

None
The fastest flight from Saint John to San Francisco takes 9h 07m
There are no direct flights from Saint John to San Francisco. There are no popular flight routes from Saint John to San Francisco.
  • How far is Saint John to San Francisco by plane?

    A flight from Saint John to San Francisco will travel around 4663.0 km. By plane, this route typically takes 9h 07m.

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

    Prices for flights from Saint John Airport to San Francisco Airport refresh daily.

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

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco 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 San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Mateo
Belmont
Los Altos
San Bruno
Santa Cruz
Newark
Milpitas
Carmel-by-the-Sea
Turlock
South San Francisco
Palo Alto
Cupertino
Mill Valley
Morgan Hill
Los Banos
Mountain View
Pacifica
Woodland
Roseville
Berkeley

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint John to San Francisco. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Francisco from Saint John which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Saint John to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to San Francisco from Saint John. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 2/1
Fri 9/1

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