Find flights
When to book
FAQs

Cheap flights from San Francisco to Saint John from C$ 831

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 831
Air Canada
  • Air Canada
  • 26/10-2/11
  • 2 total stops
  • 54h 09m total
  • San Francisco to Saint John
Search Deals

Find flight deals from San Francisco to St John

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 11 September 2025.

Sun 26/108:25 a.m.SFO - YSJ
1 stop22h 50mAir Canada
Sun 2/116:15 p.m.YSJ - SFO
1 stop31h 19mAir Canada
Deal found 11/9C$ 831
Sun 26/1010:15 a.m.SFO - YSJ
3 stops21h 00mMultiple Airlines
Sun 2/116:15 p.m.YSJ - SFO
1 stop31h 19mMultiple Airlines
Deal found 11/9C$ 873
Sun 26/1010:40 p.m.SFO - YSJ
2 stops14h 34mUnited Airlines
Sun 2/115:40 a.m.YSJ - SFO
2 stops19h 33mUnited Airlines
Deal found 11/9C$ 1,032

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 11 September 2025.
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 26/10

8:25 a.m.-11:15 a.m.

1 stop22h 50m

Saint John

Sun 2/11

6:15 p.m.-9:34 p.m.

1 stop31h 19m

C$ 831

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 26/10

10:15 a.m.-11:15 a.m.

3 stops21h 00m

Saint John

Sun 2/11

6:15 p.m.-9:34 p.m.

1 stop31h 19m

C$ 873

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 26/10

10:40 p.m.-5:14 p.m.

2 stops14h 34m

Saint John

Sun 2/11

5:40 a.m.-9:13 p.m.

2 stops19h 33m

C$ 1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

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 and United Airlines can get you from San Francisco to Saint John in just under 14h 34m. Your travel time can differ by up to 8h 16m. There are 4682 km between San Francisco and Saint John. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from San Francisco to Saint John?

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Saint John (average of C$ 213). Flying from San Francisco to Saint John in December is currently the most expensive (average of C$ 461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to St John

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Fredericton flights
San Francisco to Moncton flights
Oakland to Moncton flights
San Diego to Moncton flights
Sacramento to Moncton flights

Fly with Cheapflights

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 San Francisco to St John?

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.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to St John?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to St John for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to St John flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco to St John become cheaper?

Of course! You can now track prices for flights from San Francisco to St John 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.