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Cheap flights from San Francisco to Saint John from C$ 724

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
26 Feb — 5 Mar1
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 27 January 2026.

Sun 19/47:25 a.m.
SFO
-
YSJ
2 stops12h 27m
Air Canada
Wed 22/45:35 a.m.
YSJ
-
SFO
1 stop9h 10m
Air Canada
Deal found 25/1C$ 957
Mon 6/711:40 a.m.
SFO
-
YSJ
1 stop8h 10m
Air Canada
Fri 17/75:40 a.m.
YSJ
-
SFO
1 stop10h 57m
Air Canada
Deal found 26/1C$ 965
Sun 19/46:40 a.m.
SFO
-
YSJ
2 stops13h 12m
United Airlines
Wed 22/45:35 a.m.
YSJ
-
SFO
3 stops19h 59m
United Airlines
Deal found 26/1C$ 1,095
Thu 12/39:30 p.m.
SFO
-
YSJ
2 stops14h 10m
United Airlines
Thu 19/34:15 p.m.
YSJ
-
SFO
1 stop9h 07m
United Airlines
Deal found 26/1C$ 1,454

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 27 January 2026.

Round-trip from

C$ 957

One-way from

C$ 724
Air Canada
  • Air Canada
  • 19/4-22/4
  • 3 total stops
  • 21h 37m total
  • San Francisco to Saint John
Search Deals
Air Canada
  • Air Canada
  • 6/2
  • 2 total stops
  • 11h 39m 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 27 January 2026.
Use the filters below to find and compare flights from San Francisco to Saint John that are best for you.

Fly from

San Francisco

Fly to

St John

Route

Depart

Return

Price

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 19/4

7:25 a.m.-11:52 p.m.

2 stops12h 27m

Saint John

Wed 22/4

5:35 a.m.-10:45 a.m.

1 stop9h 10m

C$ 957

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 6/7

7:35 p.m.-11:25 a.m.

2 stops11h 50m

Saint John

Fri 17/7

5:40 a.m.-12:37 p.m.

1 stop10h 57m

C$ 972

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 19/4

6:40 a.m.-11:52 p.m.

2 stops13h 12m

Saint John

Wed 22/4

5:35 a.m.-9:34 p.m.

3 stops19h 59m

C$ 1,095

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 12/3

9:30 p.m.-3:40 p.m.

2 stops14h 10m

Saint John

Thu 19/3

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

1 stop9h 07m

C$ 1,454

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 6/2

11:56 p.m.-3:35 p.m.

2 stops11h 39m

C$ 724

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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 27m. 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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Can Cheapflights find flights from San Francisco to St John with no change fees?

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