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Cheap flights from Saint John to Fremont from C$ 490

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from St John to Fremont
Explore the most affordable flight options available from St John to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Wed 16/95:40 a.m.
YSJ
-
SFO
1 stop10h 54m
Air Canada
Sat 19/911:35 a.m.
SFO
-
YSJ
1 stop8h 16m
Air Canada
Deal found 19/3C$ 737
Sat 18/45:35 a.m.
YSJ
-
SFO
2 stops13h 57m
Air Canada
Sat 25/48:30 a.m.
SFO
-
YSJ
2 stops22h 45m
Air Canada
Deal found 19/3C$ 879
Sat 18/45:35 a.m.
YSJ
-
SFO
1 stop9h 20m
United Airlines
Sat 25/411:52 p.m.
SFO
-
YSJ
2 stops31h 23m
United Airlines
Deal found 19/3C$ 948
Sat 18/45:35 a.m.
YSJ
-
SFO
3 stops19h 59m
Multiple Airlines
Sat 25/46:00 p.m.
SFO
-
YSJ
2 stops13h 15m
Multiple Airlines
Deal found 19/3C$ 1,583

Find flight deals from St John to Fremont

Keep the following information in mind while searching for St John to Fremont flight deals. Data was last updated 23 March 2026.

Round-trip from

C$ 737

One-way from

C$ 490
Air Canada
  • Air Canada
  • 16/9-19/9
  • 2 total stops
  • 19h 10m total
  • Saint John to Fremont
Search Deals
Air Canada
  • Air Canada
  • 23/8
  • 1 total stop
  • 9h 42m total
  • Saint John to Fremont
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Fremont 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 23 March 2026.
Use the filters below to find and compare flights from Saint John to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 16/9

5:40 a.m.-3:21 p.m.

2 stops13h 41m

San Francisco

Sat 19/9

11:35 a.m.-11:51 p.m.

1 stop8h 16m

C$ 737

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sat 18/4

5:35 a.m.-3:32 p.m.

2 stops13h 57m

San Francisco

Sat 25/4

8:30 a.m.-11:15 a.m.

2 stops22h 45m

C$ 879

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sat 18/4

5:35 a.m.-10:55 a.m.

1 stop9h 20m

San Francisco

Sat 25/4

11:52 p.m.-11:15 a.m.

2 stops31h 23m

C$ 948

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 20/4

5:35 a.m.-10:55 a.m.

1 stop9h 20m

San Francisco

Mon 27/4

6:00 a.m.-11:52 p.m.

2 stops13h 52m

C$ 3,967
Cheapest one-way
Quickest one-way

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 23/8

5:00 a.m.-10:42 a.m.

1 stop9h 42m

C$ 490

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 23/8

5:00 a.m.-9:28 p.m.

2 stops20h 28m

C$ 495

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

Sorted by cheapest first

Best time to book a flight from St John to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from St John 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 Saint John to Fremont

What is the cheapest month to book a flight from Saint John to Fremont?

Currently, June is the cheapest month in which you can book a flight from Saint John to Fremont (average of C$ 331). Flying from Saint John to Fremont in March is currently the most expensive (average of C$ 749). 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.

Related info for your journey

Find useful and relevant information for your journey from St John to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint John to Fremont?

    Located just 15.1 km from the city centre, Saint John is the airport most travellers will use when flying to Fremont from Saint John. Booking flights from Saint John (YSJ) to Fremont should be relatively easy as there are 0 daily outbound flights to Fremont from 0 different airlines.

  • How long is the flight from Saint John to Fremont?

    Airlines like Air Canada fly from Saint John to Fremont in about 13h 41m. The time it takes to get you to your destination can typically vary by up to . There are 4682 km between Saint John and Fremont.

  • Can I find deals for flights from St John to Fremont that include hotel bookings?

    Yes. In addition to deals on St John to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Fremont.

  • Can I find deals for business class flights from St John to Fremont?

    Yes. Cheapflights offers flight deals from St John to Fremont 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 Saint John to Fremont?

    Currently, June is the cheapest month in which you can book a flight from Saint John to Fremont (average of C$ 331). Flying from Saint John to Fremont in March is currently the most expensive (average of C$ 749). 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.

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

Need flexible booking options for your flight to Fremont from St John? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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