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Cheap flights from Saint John to San Francisco Bay Area from C$ 974

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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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 5 November 2025.

Tue 2/124:15 p.m.YSJ - SFO
2 stops19h 32mUnited Airlines
Tue 23/125:00 a.m.SFO - YSJ
2 stops14h 29mUnited Airlines
Deal found 4/11C$ 974
Tue 2/124:15 p.m.YSJ - SFO
2 stops19h 32mUnited Airlines
Mon 22/124:55 p.m.SFO - YSJ
2 stops18h 38mUnited Airlines
Deal found 4/11C$ 1,016
Tue 2/124:15 p.m.YSJ - SFO
2 stops19h 32mUnited Airlines
Sun 21/127:11 p.m.SFO - YSJ
2 stops24h 18mUnited Airlines
Deal found 4/11C$ 1,025
Tue 2/124:15 p.m.YSJ - SFO
2 stops22h 19mAir Canada
Tue 23/124:15 p.m.SFO - YSJ
1 stop27h 14mAir Canada
Deal found 4/11C$ 1,028
Mon 1/124:15 p.m.YSJ - SFO
2 stops27h 20mAir Canada
Tue 23/124:15 p.m.SFO - YSJ
1 stop27h 14mAir Canada
Deal found 4/11C$ 1,060
Mon 1/124:15 p.m.YSJ - SFO
2 stops22h 39mAir Canada
Mon 22/126:28 p.m.SFO - YSJ
2 stops41h 05mAir Canada
Deal found 4/11C$ 1,078
Mon 1/124:15 p.m.YSJ - SFO
2 stops19h 32mUnited Airlines
Tue 23/125:00 a.m.SFO - YSJ
2 stops14h 29mUnited Airlines
Deal found 4/11C$ 1,104
Mon 1/124:15 p.m.YSJ - SFO
2 stops21h 29mUnited Airlines
Sun 21/127:11 p.m.SFO - YSJ
2 stops24h 18mUnited Airlines
Deal found 4/11C$ 1,153
Sun 30/114:15 p.m.YSJ - SFO
2 stops29h 10mAir Canada
Mon 22/126:28 p.m.SFO - YSJ
2 stops41h 05mAir Canada
Deal found 4/11C$ 1,321

Cheap 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 5 November 2025.

Round-trip from

C$ 974
United Airlines
  • United Airlines
  • 2/12-23/12
  • 4 total stops
  • 34h 01m total
  • Saint John to San Francisco Bay Area
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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 5 November 2025.
Use the filters below to find and compare flights from Saint John to San Francisco Bay Area that are best for you.

Fly from

St John

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 2/12

4:15 p.m.-7:47 a.m.

2 stops19h 32m

San Francisco

Tue 23/12

5:00 a.m.-11:29 p.m.

2 stops14h 29m

C$ 974

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 2/12

4:15 p.m.-7:47 a.m.

2 stops19h 32m

San Francisco

Mon 22/12

4:55 p.m.-3:33 p.m.

2 stops18h 38m

C$ 1,016

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 2/12

4:15 p.m.-7:47 a.m.

2 stops19h 32m

San Francisco

Sun 21/12

7:11 p.m.-11:29 p.m.

2 stops24h 18m

C$ 1,025

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 2/12

4:15 p.m.-10:34 a.m.

2 stops22h 19m

San Francisco

Tue 23/12

4:15 p.m.-11:29 p.m.

1 stop27h 14m

C$ 1,028

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 1/12

4:15 p.m.-10:54 a.m.

2 stops22h 39m

San Francisco

Mon 22/12

6:28 p.m.-3:33 p.m.

2 stops41h 05m

C$ 1,078

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 1/12

11:45 a.m.-9:35 a.m.

1 stop25h 50m

San Francisco

Tue 23/12

4:15 p.m.-11:29 p.m.

1 stop27h 14m

C$ 1,080

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 1/12

4:15 p.m.-7:47 a.m.

2 stops19h 32m

San Francisco

Tue 23/12

5:00 a.m.-11:29 p.m.

2 stops14h 29m

C$ 1,104

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 2/12

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

1 stop9h 07m

San Francisco

Mon 22/12

6:28 p.m.-3:33 p.m.

2 stops41h 05m

C$ 1,129

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 1/12

4:15 p.m.-9:44 a.m.

2 stops21h 29m

San Francisco

Sun 21/12

7:11 p.m.-11:29 p.m.

2 stops24h 18m

C$ 1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

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$ 332). Flying from Saint John to San Francisco Bay Area in December is currently the most expensive (average of C$ 738). 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 19h 32m. United Airlines provides one of the quickest options available for as low as C$ 974. 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$ 332). Flying from Saint John to San Francisco Bay Area in December is currently the most expensive (average of C$ 738). 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.

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