What is the cheapest day to fly from San Francisco to Saint John?

Travelers seeking maximum savings on their San Francisco to Saint John flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from San Francisco to Saint John?

Users have found that flying from San Francisco to Saint John on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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.

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.

$225+ Flights from San Francisco to Saint John

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One-way flights from San Francisco to St John
Search for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 11/68:35 amSFO - YSJ

1 stop10h 49mAir Canada

Deal found 7/1

$225

Thu 11/65:10 amSFO - YSJ

2 stops14h 14mUnited Airlines

Deal found 7/1

$294

Cheapflights Fare Finder

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

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 11/6

8:35 am-11:24 pm

1 stop10h 49m

$225

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 11/6

5:10 am-11:24 pm

2 stops14h 14m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Reviews of airlines servicing St John

Peruse reviews from past customers who have flown with United Airlines and Air Canada from San Francisco to Saint John to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Air Canada

7.1

Good

9,681 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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.

Browse thousands of different options on Cheapflights for your next trip

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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 11/6. 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

Find flight deals from San Francisco to St John

One-way flights from San Francisco to St John
Search for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Search for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Cheapflights Fare Finder

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.

Reviews of airlines servicing St John

Get insights into the airlines that provide service to St John. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St John. Reviews last updated July 3, 2025.

Peruse reviews from past customers who have flown with United Airlines and Air Canada from San Francisco to Saint John to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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.

Complete your trip

Complete your trip to St John by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from San Francisco to St John by cabin class

Find flights from San Francisco to St John, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Francisco and St John flights

Browse other San Francisco and St John flight options. Last updated on July 3, 2025.

Other flights from San Francisco

Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 3, 2025.

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Other flights to St John

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$225+ Cheap flights from San Francisco (SFO) to Saint John (YSJ)

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 11/6. 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

Find flight deals from San Francisco to St John

One-way flights from San Francisco to St JohnSearch for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Search for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Cheapflights Fare Finder

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.

Reviews of airlines servicing St John

Peruse reviews from past customers who have flown with United Airlines and Air Canada from San Francisco to Saint John to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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.

100% Free

Book with Flexibility

Travel Smart

One-way flights from San Francisco to St John
Search for one-way flight options from San Francisco to St John. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.