How long is the flight from San Francisco to Saint John?

For as low as $1,039, Air Canada can have you in Saint John from San Francisco in 11h 20m. There are 2909 mi between San Francisco and Saint John.

In terms of precipitation, rainfall in Saint John ranges from 3.2 - 5.3 inches per month. November is typically the wettest month, when rainfall can reach 5.3 in. August is typically the driest time to visit Saint John when rainfall is around 3.2 in.

If weather is an important factor for your trip to Saint John, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest time of day to fly from SFO to YSJ?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Saint John as you normally would.

Most accurate provider : When it comes to deals on San Francisco-Saint John flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Saint John flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Saint John flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Francisco-Saint John flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$1,039+ Cheap Flights from San Francisco to Saint John

Q: E

Most trusted provider : When it comes to deals on San Francisco-Saint John flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Q: 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.

Q: 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.

Q: 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.

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Cheap flight deals from San Francisco to St John

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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 August 29, 2026.

Mon 9/148:31 am -

2 stops11h 20m

Wed 9/165:00 am -

2 stops14h 35m

Deal found 8/25

$1,039

Sat 9/1211:35 am -

1 stop8h 16m

Wed 9/165:00 am -

2 stops14h 21m

Deal found 8/24

$1,058

Find flight deals from San Francisco to St John

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$1,039 (Air Canada)

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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 San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Mon 9/14

8:31 am-11:51 pm

2 stops11h 20m

Saint John

Wed 9/16

5:00 am-3:35 pm

2 stops14h 35m

$1,039

Quickest round-trip

San FranciscoSaint John

SFO San Francisco - YSJ Saint John

SFOYSJ

San Francisco

Sat 9/12

11:35 am-11:51 pm

1 stop8h 16m

Saint John

Wed 9/16

5:00 am-10:44 am

1 stop9h 44m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Sorted by cheapest first

Most accurate provider: When it comes to deals on San Francisco-Saint John flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Saint John flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Saint John flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Francisco-Saint John flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

SFO-YSJ

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

How long is the flight from San Francisco to Saint John?
For as low as $1,039, Air Canada can have you in Saint John from San Francisco in 11h 20m. There are 2909 mi 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.

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$1,039+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to St John with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to St John

Cheapest flights from San Francisco to St JohnExplore 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 August 29, 2026.

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 August 29, 2026.

Best flights from San Francisco to St JohnDiscover carefully curated flight deals from San Francisco to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.

Discover carefully curated flight deals from San Francisco to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.

Last-minute flights from San Francisco to St JohnDiscover last-minute flight deals from San Francisco to St John. Data last updated August 29, 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to St John. Data last updated August 29, 2026 and is based on user searches.

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Use the filters below to find and compare flights from San Francisco to Saint John that are best for you.

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.

Related info for your journey

How long is the flight from San Francisco to Saint John?

Can I find deals for flights from San Francisco to St John that include hotel bookings?

How can I find direct flights from San Francisco to St John?

Can I find deals for business class flights from San Francisco to St John?

Browse thousands of different options on Cheapflights for your next trip

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San Francisco and St John flights

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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 August 29, 2026.

Best flights from San Francisco to St John
Discover carefully curated flight deals from San Francisco to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.

Last-minute flights from San Francisco to St John
Discover last-minute flight deals from San Francisco to St John. Data last updated August 29, 2026 and is based on user searches.