HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St John

$600+ Cheap flights from San Francisco (SFO) to Saint John (YSJ)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to St John with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 11, 2025.

Round-trip from

$600
(flugladen.de)
From 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 September 11, 2025.

This flugladen.de deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:25 amSFO - YSJ
1 stop22h 50mAir Canada
Sun 11/26:15 pmYSJ - SFO
1 stop31h 19mAir Canada
Deal found 9/11$600
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:15 amSFO - YSJ
3 stops21h 00mMultiple Airlines
Sun 11/26:15 pmYSJ - SFO
1 stop31h 19mMultiple Airlines
Deal found 9/11$630
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:40 pmSFO - YSJ
2 stops14h 34mUnited Airlines
Sun 11/25:40 amYSJ - SFO
2 stops19h 33mUnited Airlines
Deal found 9/11$745

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 2,558,603 searches. Data last updated September 11, 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 10/26

8:25 am-11:15 am

1 stop22h 50m

Saint John

Sun 11/2

6:15 pm-9:34 pm

1 stop31h 19m

$600

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

10:15 am-11:15 am

3 stops21h 00m

Saint John

Sun 11/2

6:15 pm-9:34 pm

1 stop31h 19m

$630

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 10/26

10:40 pm-5:14 pm

2 stops14h 34m

Saint John

Sun 11/2

5:40 am-9:13 pm

2 stops19h 33m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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?

    For as low as $745, Air Canada can have you in Saint John from San Francisco in 14h 34m. There are 2909 mi between San Francisco and Saint John. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

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.

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.