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Cheap flights from San Francisco to Saint John from C$ 597

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
24 Aug — 31 Aug1
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 25 July 2026.

Wed 19/86:05 p.m.
SFO
-
YSJ
2 stops35h 55m
Multiple Airlines
Wed 26/810:45 a.m.
YSJ
-
SFO
1 stop29h 35m
Multiple Airlines
Deal found 23/7C$ 937
Thu 20/81:20 p.m.
SFO
-
YSJ
1 stop16h 40m
Multiple Airlines
Fri 28/810:45 a.m.
YSJ
-
SFO
2 stops15h 10m
Multiple Airlines
Deal found 23/7C$ 1,086
Thu 20/81:20 p.m.
SFO
-
YSJ
1 stop16h 40m
Multiple Airlines
Wed 26/810:45 a.m.
YSJ
-
SFO
2 stops29h 15m
Multiple Airlines
Deal found 23/7C$ 1,096
Mon 24/811:40 a.m.
SFO
-
YSJ
1 stop9h 45m
Air Canada
Fri 28/85:00 a.m.
YSJ
-
SFO
1 stop11h 32m
Air Canada
Deal found 21/7C$ 1,203
Fri 18/94:30 p.m.
SFO
-
YSJ
2 stops15h 21m
Air Canada
Wed 23/95:00 a.m.
YSJ
-
SFO
2 stops14h 21m
Air Canada
Deal found 23/7C$ 1,218
Fri 21/84:40 p.m.
SFO
-
YSJ
1 stop15h 10m
Air Canada
Sat 29/85:00 a.m.
YSJ
-
SFO
1 stop11h 32m
Air Canada
Deal found 20/7C$ 1,223
Sat 15/811:40 a.m.
SFO
-
YSJ
1 stop9h 45m
Air Canada
Sat 22/85:00 a.m.
YSJ
-
SFO
1 stop11h 32m
Air Canada
Deal found 20/7C$ 1,235
Sat 22/88:30 a.m.
SFO
-
YSJ
1 stop12h 55m
Air Canada
Sun 23/85:00 a.m.
YSJ
-
SFO
1 stop9h 45m
Air Canada
Deal found 23/7C$ 1,237

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 25 July 2026.

Round-trip from

C$ 937

One-way from

C$ 597
19/8-26/8
  • 19/8-26/8
  • 3 total stops
  • 65h 30m total
  • San Francisco to Saint John
Search Deals
Air Canada
  • Air Canada
  • 22/8
  • 1 total stop
  • 12h 55m 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 25 July 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

Wed 19/8

6:05 p.m.-10:00 a.m.

2 stops35h 55m

Saint John

Wed 26/8

10:45 a.m.-12:20 p.m.

1 stop29h 35m

C$ 937
Quickest round-trip

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 24/8

11:40 a.m.-1:25 a.m.

1 stop9h 45m

Saint John

Fri 28/8

5:00 a.m.-12:32 p.m.

1 stop11h 32m

C$ 1,203

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 17/8

11:40 a.m.-1:25 a.m.

1 stop9h 45m

Saint John

Sat 22/8

5:00 a.m.-12:32 p.m.

1 stop11h 32m

C$ 1,249

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 24/8

6:38 p.m.-4:00 p.m.

2 stops17h 22m

Saint John

Fri 28/8

5:00 a.m.-12:32 p.m.

1 stop11h 32m

C$ 1,331

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 21/8

4:30 p.m.-4:00 p.m.

2 stops19h 30m

Saint John

Sat 29/8

4:40 p.m.-9:48 p.m.

1 stop9h 08m

C$ 1,355
Cheapest one-way

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sat 22/8

8:30 a.m.-1:25 a.m.

1 stop12h 55m

C$ 597
Quickest one-way

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Mon 7/9

10:51 p.m.-11:56 a.m.

1 stop9h 05m

C$ 624

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sat 22/8

1:15 p.m.-4:00 p.m.

3 stops22h 45m

C$ 1,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

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 9h 45m. 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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