Cheap flights from Saint John to San Francisco from C$ 503
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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
29 Nov — 6 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from St John to San Francisco
Enter your travel dates to find the best prices.
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Best
Last-minute
One-way
Cheapest flights from St John to San Francisco
Explore the most affordable flight options available from St John to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.
Thu 12/115:20 a.m. -
1 stop9h 50m
Mon 16/112:00 p.m. -
1 stop29h 28m
Deal found 27/10C$ 945
Sat 19/125:20 a.m. -
1 stop9h 50m
Mon 4/111:30 p.m. -
2 stops13h 24m
Deal found 27/10C$ 1,038
Thu 12/115:20 a.m. -
2 stops12h 10m
Sun 15/1112:55 a.m. -
2 stops12h 01m
Deal found 27/10C$ 1,368
Sat 19/1211:05 a.m. -
2 stops14h 25m
Mon 4/19:15 a.m. -
3 stops21h 10m
Deal found 27/10C$ 1,579
Best flights from St John to San Francisco
Discover carefully curated flight deals from St John to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Tue 26/15:15 a.m. -
1 stop9h 50m
Wed 27/16:30 a.m. -
2 stops13h 24m
Deal found 26/10C$ 691
Thu 12/115:20 a.m. -
1 stop9h 50m
Mon 16/112:00 p.m. -
1 stop29h 28m
Deal found 27/10C$ 945
Last-minute flights from St John to San Francisco
Discover last-minute flight deals from St John to San Francisco. Data last updated 30 October 2026 and is based on user searches.
Thu 12/115:20 a.m. -
1 stop9h 50m
Mon 16/112:00 p.m. -
1 stop29h 28m
Deal found 27/10C$ 945
Thu 12/115:20 a.m. -
2 stops12h 10m
Sun 15/1112:55 a.m. -
2 stops12h 01m
Deal found 27/10C$ 1,368
One-way flights from St John to San Francisco
Search for one-way flight options from St John to San Francisco. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.
Sun 13/125:20 a.m. -
1 stop9h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/10C$ 503
Mon 14/125:20 a.m. -
1 stop11h 50m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 506
Mon 1/311:05 a.m. -
2 stops14h 11m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/10C$ 558
Sun 13/1211:05 a.m. -
2 stops11h 49m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/10C$ 568
Mon 14/1211:05 a.m. -
2 stops13h 34m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 569
Find flight deals from St John to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2026.
Customize your flight search to find flights from St 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, Cheapflights users made 7,457,451 searches. Data last updated 30 October 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 Saint John - SFO San Francisco
YSJSFO
Saint John
Mon 14/12
5:20 a.m.-1:10 p.m.
1 stop11h 50m
San Francisco
Wed 31/12
12:00 a.m.-4:00 a.m.
Nonstop0h 00m
C$ 506
Quickest round-trip
Saint JohnSan Francisco
YSJ Saint John - SFO San Francisco
YSJSFO
Saint John
Sun 13/12
11:05 a.m.-6:54 p.m.
2 stops11h 49m
San Francisco
Wed 31/12
12:00 a.m.-4:00 a.m.
Nonstop0h 00m
C$ 568
Saint JohnSan Francisco
YSJ Saint John - SFO San Francisco
YSJSFO
Saint John
Mon 1/3
11:05 a.m.-9:32 p.m.
1 stop14h 27m
San Francisco
Wed 31/12
12:00 a.m.-4:00 a.m.
Nonstop0h 00m
C$ 608
Saint JohnSan Francisco
YSJ Saint John - SFO San Francisco
YSJSFO
Saint John
Tue 26/1
5:15 a.m.-11:05 a.m.
1 stop9h 50m
San Francisco
Wed 27/1
6:30 a.m.-11:54 p.m.
2 stops13h 24m
C$ 691
Saint JohnSan Francisco
YSJ Saint John - SFO San Francisco
YSJSFO
Saint John
Thu 12/11
5:20 a.m.-11:10 a.m.
1 stop9h 50m
San Francisco
Mon 16/11
2:00 p.m.-11:28 p.m.
1 stop29h 28m
C$ 945
Saint JohnSan Francisco
YSJ Saint John - SFO San Francisco
YSJSFO
Saint John
Mon 14/12
5:20 a.m.-9:50 p.m.
3 stops20h 30m
San Francisco
Wed 31/12
12:00 a.m.-4:00 a.m.
Nonstop0h 00m
C$ 1,589
Flights are sorted by cheapest round-trip flights first.
Deals found on 30/10
Sorted by cheapest first
Best time to book a flight from St John to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from St John with our price prediction graph.
YSJ-SFO
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.
Related info for your journey
Find useful and relevant information for your journey from St John to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Saint John to San Francisco?
For as low as C$ 691, Air Canada can have you in San Francisco from Saint John in 9h 50m. Saint John and San Francisco are separated by a distance of 4682 km.
Can I find deals for flights from St John to San Francisco that include hotel bookings?
Yes. In addition to deals on St John to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St John to San Francisco?
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.
Can I find deals for business class flights from St John to San Francisco?
Yes. Cheapflights offers flight deals from St John to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from St John to San Francisco?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St John to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from St John to San Francisco?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from St John.
Can Cheapflights find flights from St John to San Francisco with no change fees?
Certainly. Search results for flights to San Francisco from St John shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from St John to San Francisco become cheaper?
Of course! You can now track prices for flights from St John to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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