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Cheap flights from San Francisco to Saint John from C$ 992

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
8 Jul — 15 Jul1
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 8 June 2026.

Thu 30/71:20 p.m.
SFO
-
YSJ
1 stop16h 40m
Multiple Airlines
Fri 7/810:45 a.m.
YSJ
-
SFO
2 stops37h 50m
Multiple Airlines
Deal found 7/6C$ 992
Tue 25/84:40 p.m.
SFO
-
YSJ
1 stop15h 15m
Air Canada
Thu 27/85:00 a.m.
YSJ
-
SFO
1 stop9h 45m
Air Canada
Deal found 3/6C$ 1,122
Tue 20/1011:35 a.m.
SFO
-
YSJ
1 stop8h 16m
Air Canada
Sat 24/105:40 a.m.
YSJ
-
SFO
1 stop10h 54m
Air Canada
Deal found 6/6C$ 1,147
Sun 19/711:40 a.m.
SFO
-
YSJ
1 stop8h 10m
Air Canada
Sun 26/74:40 p.m.
YSJ
-
SFO
2 stops22h 58m
Air Canada
Deal found 3/6C$ 1,176

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 8 June 2026.

Round-trip from

C$ 992
30/7-7/8
  • 30/7-7/8
  • 3 total stops
  • 54h 30m total
  • San Francisco to Saint John
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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 8 June 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

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 25/8

4:40 p.m.-3:50 p.m.

2 stops19h 10m

Saint John

Thu 27/8

5:00 a.m.-3:22 p.m.

2 stops14h 22m

C$ 1,140
Quickest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Tue 20/10

7:10 a.m.-11:51 p.m.

2 stops12h 41m

Saint John

Sat 24/10

5:40 a.m.-12:34 p.m.

1 stop10h 54m

C$ 1,154

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 19/7

11:40 a.m.-11:50 p.m.

1 stop8h 10m

Saint John

Sun 26/7

4:40 p.m.-11:38 a.m.

2 stops22h 58m

C$ 1,176

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 30/7

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

2 stops17h 00m

Saint John

Fri 7/8

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

2 stops15h 10m

C$ 1,267

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 11/9

11:30 p.m.-3:49 p.m.

2 stops12h 19m

Saint John

Sat 19/9

5:40 a.m.-3:21 p.m.

2 stops13h 41m

C$ 1,326

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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 15h 15m. 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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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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