HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St John

$252+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YSJ
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(Kiwi.com)

One-way from

$252
(United)
Provider with most accurate pricing for San Francisco-Saint John flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Saint John flights.
Search Deals
From San Francisco to Saint John
Search Deals
One-way flight 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 April 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:07 pmSFO - YSJ
1 stop33h 13mMultiple Airlines
Wed 4/232:45 pmYSJ - SFO
2 stops25h 54mMultiple Airlines
Deal found 4/2$492
This Air Canada deal was found by Cheapflights users on 4/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1811:40 amSFO - YSJ
1 stop8h 44mAir Canada
Wed 4/235:20 amYSJ - SFO
1 stop9h 17mAir Canada
Deal found 4/2$673
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/1712:08 amSFO - YSJ
2 stops20h 16mUnited Airlines
Wed 4/235:20 amYSJ - SFO
1 stop9h 17mUnited Airlines
Deal found 4/1$706

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 April 3, 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

Fri 4/18

10:07 pm-11:20 am

1 stop33h 13m

Saint John

Wed 4/23

2:45 pm-12:39 pm

2 stops25h 54m

$492

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Fri 4/18

11:40 am-12:24 am

1 stop8h 44m

Saint John

Wed 4/23

5:20 am-10:37 am

1 stop9h 17m

$673

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Thu 4/17

12:08 am-12:24 am

2 stops20h 16m

Saint John

Wed 4/23

5:20 am-10:37 am

1 stop9h 17m

$706

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 6/29

9:15 pm-6:07 pm

2 stops16h 52m

$252

San FranciscoSaint John

SFO - YSJ

SFOYSJ

San Francisco

Sun 6/29

10:56 pm-12:12 am

1 stop21h 16m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Compare providers for flights from San Francisco to St John

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to St John in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Saint John flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Saint John flight deals on Cheapflights vs. FlightHub >95% 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 FlightHub the most. FlightHub 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.
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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Saint John

Rainfall in St John by month

Plan your trip to St John by taking into account the average rainfall totals by month.

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.

Temperature in St John by month

Plan your trip to St John by taking into account the average temperature totals by month.

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).

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 April 3, 2025.
United Airlines
7.4
Good
8,619 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Boarding

7.7

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
8,619 reviews
United Airlines
7.4
Good
8,619 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Boarding

7.7

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
7.0
Good
9,028 reviews
United Airlines
7.4
Good
8,619 reviews

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Boarding

7.7

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

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?

    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

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.