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Cheap flights from Saint John to San Francisco from C$ 360

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 17/6. 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

Find the cheapest flights from Saint John to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:00 a.m. - 12:40 p.m.
YSJ
-
SFO
11h 40m
1 stop
Air Canada Logo
11:45 a.m. - 11:52 p.m.
SFO
-
YSJ
8h 07m
1 stop
C$ 846Air Canada
Fri, 29 May - Tue, 2 Jun
Air Canada Logo
5:00 a.m. - 10:50 a.m.
YSJ
-
SFO
9h 50m
1 stop
Air Canada Logo
5:05 a.m. - 11:52 p.m.
SFO
-
YSJ
14h 47m
2 stops
C$ 856Air Canada
Fri, 29 May - Tue, 2 Jun
Air Canada Logo
4:30 p.m. - 1:42 a.m.
YSJ
-
SFO
13h 12m
2 stops
Air Canada Logo
5:05 a.m. - 11:52 p.m.
SFO
-
YSJ
14h 47m
2 stops
C$ 857Air Canada
Fri, 29 May - Tue, 2 Jun
Air Canada Logo
5:00 a.m. - 10:42 a.m.
YSJ
-
SFO
9h 42m
1 stop
Air Canada Logo
11:40 a.m. - 12:55 a.m.
SFO
-
YSJ
9h 15m
1 stop
C$ 954Air Canada
Wed, 29 Jul - Sat, 8 Aug

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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 19 April 2026.
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

Cheapest round-trip

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 29/5

5:00 a.m.-12:40 p.m.

1 stop11h 40m

San Francisco

Tue 2/6

11:45 a.m.-11:52 p.m.

1 stop8h 07m

C$ 846

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 29/5

5:00 a.m.-10:50 a.m.

1 stop9h 50m

San Francisco

Tue 2/6

5:05 a.m.-11:52 p.m.

2 stops14h 47m

C$ 856

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 29/5

4:30 p.m.-1:42 a.m.

2 stops13h 12m

San Francisco

Tue 2/6

5:05 a.m.-11:52 p.m.

2 stops14h 47m

C$ 857
Quickest round-trip

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 29/7

5:00 a.m.-10:42 a.m.

1 stop9h 42m

San Francisco

Sat 8/8

11:40 a.m.-12:55 a.m.

1 stop9h 15m

C$ 954
Cheapest one-way

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 17/6

10:45 a.m.-9:55 p.m.

3 stops39h 10m

C$ 360

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 17/6

10:45 a.m.-12:00 p.m.

2 stops29h 15m

C$ 361

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 17/6

10:45 a.m.-12:20 p.m.

1 stop29h 35m

C$ 367
Quickest one-way

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 31/5

5:35 a.m.-10:50 a.m.

1 stop9h 15m

C$ 501

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 31/5

5:35 a.m.-12:30 a.m.

2 stops22h 55m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 39m

Direct flights

None
The fastest flight from Saint John to San Francisco takes 9h 39m
There are no direct flights from Saint John to San Francisco. There are no popular flight routes from Saint John to San Francisco.
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Frequently asked questions about flying 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 4662.7 km. By plane, this route typically takes 9h 39m.

  • 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
Santa Cruz
Palo Alto
San Bruno
Newark
Milpitas
Carmel-by-the-Sea
Turlock
South San Francisco
Mountain View
Burlingame
Pacific Grove
Fremont
Santa Clara
Cupertino
Pacifica
Woodland
Los Banos
Roseville

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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