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Cheap flights from Saint John to Fremont from C$ 361

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
3 Apr — 10 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 4 March 2026.

Mon 20/45:35 a.m.
YSJ
-
SFO
1 stop11h 50m
Air Canada
Sat 2/58:30 a.m.
SFO
-
YSJ
1 stop11h 22m
Air Canada
Deal found 1/3C$ 655
Wed 29/75:40 a.m.
YSJ
-
SFO
2 stops13h 42m
Air Canada
Sat 8/84:30 p.m.
SFO
-
YSJ
1 stop14h 55m
Air Canada
Deal found 2/3C$ 685
Mon 20/45:35 a.m.
YSJ
-
SFO
1 stop11h 50m
United Airlines
Sat 2/511:56 p.m.
SFO
-
YSJ
2 stops11h 44m
United Airlines
Deal found 1/3C$ 695
Wed 15/45:35 a.m.
YSJ
-
SFO
1 stop11h 50m
United Airlines
Sat 18/411:52 p.m.
SFO
-
YSJ
2 stops20h 00m
United Airlines
Deal found 27/2C$ 700
Wed 29/75:40 a.m.
YSJ
-
SFO
2 stops12h 29m
United Airlines
Sat 8/811:30 p.m.
SFO
-
YSJ
2 stops12h 20m
United Airlines
Deal found 1/3C$ 703
Wed 15/45:35 a.m.
YSJ
-
SFO
2 stops13h 57m
Air Canada
Sat 18/42:32 p.m.
SFO
-
YSJ
2 stops29h 20m
Air Canada
Deal found 28/2C$ 710

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 4 March 2026.

Round-trip from

C$ 655

One-way from

C$ 361
Air Canada
  • Air Canada
  • 20/4-2/5
  • 2 total stops
  • 23h 12m total
  • Saint John to Fremont
Search Deals
Air Canada
  • Air Canada
  • 14/7
  • 1 total stop
  • 9h 02m 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 4 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

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 29/7

5:40 a.m.-3:22 p.m.

2 stops13h 42m

San Francisco

Sat 8/8

4:30 p.m.-11:25 a.m.

1 stop14h 55m

C$ 685

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Mon 20/4

5:35 a.m.-1:25 p.m.

1 stop11h 50m

San Francisco

Sat 2/5

11:56 p.m.-3:40 p.m.

2 stops11h 44m

C$ 695

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 15/4

5:35 a.m.-1:25 p.m.

1 stop11h 50m

San Francisco

Sat 18/4

11:52 p.m.-11:52 p.m.

2 stops20h 00m

C$ 700

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 29/7

5:40 a.m.-2:09 p.m.

2 stops12h 29m

San Francisco

Sat 8/8

11:30 p.m.-3:50 p.m.

2 stops12h 20m

C$ 703

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Wed 15/4

5:35 a.m.-1:25 p.m.

1 stop11h 50m

San Francisco

Sat 18/4

4:15 p.m.-11:52 p.m.

1 stop27h 37m

C$ 735

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 14/7

5:40 a.m.-10:42 a.m.

1 stop9h 02m

C$ 361

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 14/7

4:30 p.m.-10:29 a.m.

2 stops21h 59m

C$ 399

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Tue 14/7

12:00 p.m.-12:00 p.m.

3 stops28h 00m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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$ 330). Flying from Saint John to Fremont in December is currently the most expensive (average of C$ 732). 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 and United Airlines fly from Saint John to Fremont in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 1h 52m. There are 4682 km between Saint John and Fremont. This flight may include one or multiple stops.

  • 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$ 330). Flying from Saint John to Fremont in December is currently the most expensive (average of C$ 732). 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.

See more FAQs

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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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