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Cheap flights from Saint John to San Francisco Bay Area from C$ 401

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
11 May — 18 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest flights from St John to San Francisco Bay Area
Explore the most affordable flight options available from St John to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2026.

Fri 14/85:00 a.m.
YSJ
-
SFO
1 stop9h 42m
Air Canada
Mon 17/84:30 p.m.
SFO
-
YSJ
1 stop28h 55m
Air Canada
Deal found 5/4C$ 729
Sat 23/55:00 a.m.
YSJ
-
SFO
1 stop9h 50m
United Airlines
Sat 30/55:05 a.m.
SFO
-
YSJ
2 stops14h 47m
United Airlines
Deal found 8/4C$ 785
Fri 29/55:00 a.m.
YSJ
-
SFO
1 stop9h 50m
Air Canada
Tue 2/65:05 a.m.
SFO
-
YSJ
2 stops14h 47m
Air Canada
Deal found 9/4C$ 810
Fri 14/812:50 p.m.
YSJ
-
SFO
2 stops14h 06m
United Airlines
Mon 17/89:30 p.m.
SFO
-
YSJ
2 stops14h 20m
United Airlines
Deal found 5/4C$ 817
Wed 29/75:00 a.m.
YSJ
-
SFO
1 stop9h 42m
Air Canada
Sat 8/84:30 p.m.
SFO
-
YSJ
1 stop15h 25m
Air Canada
Deal found 9/4C$ 821
Fri 23/105:40 a.m.
YSJ
-
SJC
2 stops19h 31m
Air Canada
Sun 25/1012:45 p.m.
SJC
-
YSJ
2 stops31h 09m
Air Canada
Deal found 6/4C$ 950

Find flight deals from St John to San Francisco Bay Area

Keep the following information in mind while searching for St John to San Francisco Bay Area flight deals. Data was last updated 11 April 2026.

Round-trip from

C$ 729

One-way from

C$ 401
Air Canada
  • Air Canada
  • 14/8-17/8
  • 2 total stops
  • 38h 37m total
  • Saint John to San Francisco Bay Area
Search Deals
Air Canada
  • Air Canada
  • 24/5
  • 1 total stop
  • 11h 05m total
  • Saint John to San Francisco Bay Area
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to San Francisco Bay Area 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, Cheapflights users made 629,999 searches. Data last updated 11 April 2026.
Use the filters below to find and compare flights from Saint John to San Francisco Bay Area 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 14/8

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

1 stop9h 42m

San Francisco

Mon 17/8

4:30 p.m.-1:25 a.m.

1 stop28h 55m

C$ 729

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sat 23/5

4:30 p.m.-8:47 a.m.

2 stops20h 17m

San Francisco

Sat 30/5

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

2 stops14h 47m

C$ 785
Quickest round-trip

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$ 810

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Fri 14/8

12:50 p.m.-10:56 p.m.

2 stops14h 06m

San Francisco

Mon 17/8

9:30 p.m.-3:50 p.m.

2 stops14h 20m

C$ 817
Cheapest one-way
Quickest one-way

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 24/5

5:35 a.m.-12:40 p.m.

1 stop11h 05m

C$ 401

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 24/5

4:30 p.m.-1:15 a.m.

2 stops12h 45m

C$ 444

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Thu 9/7

4:30 p.m.-10:29 a.m.

2 stops21h 59m

C$ 922

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Thu 9/7

12:00 p.m.-11:29 p.m.

3 stops39h 29m

C$ 1,910

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Sorted by cheapest first

Best time to book a flight from St John to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from St John with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint John to San Francisco Bay Area

What is the cheapest month to book a flight from Saint John to San Francisco Bay Area?

Currently, June is the cheapest month in which you can book a flight from Saint John to San Francisco Bay Area (average of C$ 333). Flying from Saint John to San Francisco Bay Area in March is currently the most expensive (average of C$ 755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from St John to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint John to San Francisco Bay Area?

    If you book a flight to San Francisco Bay Area from Saint John, you will be flying from Saint John, which is the city’s only airport. Saint John (YSJ) is located 15.1 km from the centre of Saint John.

  • How long is the flight from Saint John to San Francisco Bay Area?

    A quick flight from Saint John to San Francisco Bay Area can take about 9h 42m. Air Canada provides one of the quickest options available for as low as C$ 729. The distance between Saint John and San Francisco Bay Area is about 4682 km. This flight may include one or multiple stops.

  • Can I find deals for flights from St John to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on St John to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to San Francisco Bay Area.

  • Can I find deals for business class flights from St John to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from St John to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint John to San Francisco Bay Area?

    Currently, June is the cheapest month in which you can book a flight from Saint John to San Francisco Bay Area (average of C$ 333). Flying from Saint John to San Francisco Bay Area in March is currently the most expensive (average of C$ 755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Can Cheapflights notify me if prices for flights from St John to San Francisco Bay Area become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco Bay Area from St John today and book when prices fit your budget.

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