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Cheap flights from San Francisco to Saint John from C$ 853

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to St John

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to St John
Explore the most affordable flight options available from San Francisco to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Thu 10/911:35 a.m.
SFO
-
YSJ
1 stop8h 16m
Air Canada
Mon 14/95:40 a.m.
YSJ
-
SFO
1 stop8h 59m
Air Canada
Deal found 26/4C$ 853
Tue 1/97:30 p.m.
SFO
-
YSJ
2 stops12h 25m
Air Canada
Sat 5/95:00 a.m.
YSJ
-
SFO
1 stop9h 42m
Air Canada
Deal found 27/4C$ 881
Tue 12/56:00 a.m.
SFO
-
YSJ
2 stops29h 45m
Multiple Airlines
Wed 27/510:45 a.m.
YSJ
-
SFO
1 stop29h 38m
Multiple Airlines
Deal found 23/4C$ 896
Tue 12/58:05 a.m.
SFO
-
YSJ
1 stop27h 35m
Air Canada
Wed 27/55:35 a.m.
YSJ
-
SFO
1 stop11h 05m
Air Canada
Deal found 23/4C$ 930
Thu 10/91:20 p.m.
SFO
-
YSJ
1 stop16h 40m
Multiple Airlines
Mon 14/910:45 a.m.
YSJ
-
SFO
2 stops15h 10m
Multiple Airlines
Deal found 26/4C$ 1,006
Tue 16/64:30 p.m.
SFO
-
YSJ
1 stop14h 57m
Air Canada
Tue 30/65:40 a.m.
YSJ
-
SFO
1 stop10h 52m
Air Canada
Deal found 27/4C$ 1,014
Wed 9/912:45 a.m.
SFO
-
YSJ
2 stops19h 06m
United Airlines
Mon 14/94:30 p.m.
YSJ
-
SFO
2 stops22h 10m
United Airlines
Deal found 26/4C$ 1,076
Tue 16/64:30 p.m.
SFO
-
YSJ
1 stop14h 57m
United Airlines
Tue 30/612:50 p.m.
YSJ
-
SFO
2 stops15h 42m
United Airlines
Deal found 27/4C$ 1,110

Find flight deals from San Francisco to St John

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to St John (YSJ). 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 28 April 2026.

Round-trip from

C$ 853
Air Canada
  • Air Canada
  • 10/9-14/9
  • 2 total stops
  • 17h 15m total
  • San Francisco to Saint John
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to St John 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 28 April 2026.
Use the filters below to find and compare flights from San Francisco to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 1/9

7:30 p.m.-11:55 a.m.

2 stops12h 25m

Saint John

Sat 5/9

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

1 stop9h 42m

C$ 881

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 12/5

6:00 a.m.-3:45 p.m.

2 stops29h 45m

Saint John

Wed 27/5

10:45 a.m.-12:23 p.m.

1 stop29h 38m

C$ 896

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 12/5

8:05 a.m.-3:40 p.m.

1 stop27h 35m

Saint John

Wed 27/5

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

1 stop11h 05m

C$ 930

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 10/9

1:20 p.m.-10:00 a.m.

1 stop16h 40m

Saint John

Mon 14/9

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

2 stops15h 10m

C$ 1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Sorted by cheapest first

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

Have a flexible travel schedule? Discover the best time to fly to St John from San Francisco 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to St John. 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 San Francisco to Saint John?

    Air Canada can get you from San Francisco to Saint John in just under 12h 25m. Your travel time can differ by up to . There are 4682 km between San Francisco and Saint John.

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

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

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

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

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

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

See more FAQs

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Alternative routes for San Francisco to St John

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When you search for this flight from San Francisco to St John, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from San Francisco to St John with no change fees?

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