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Cheap flights from Saint John to Fremont from C$ 729

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SFO
27 Aug — 3 Sep1
1 adult

Cheap 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 22 August 2025.

Round-trip from

C$ 729
Air Canada
  • Air Canada
  • 25/9-29/9
  • 2 total stops
  • 20h 09m total
  • Saint John to Fremont
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Find flight deals from St John to Fremont

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 22 August 2025.

Thu 25/95:55 a.m.YSJ - SFO
1 stop8h 38mAir Canada
Mon 29/98:40 a.m.SFO - YSJ
1 stop11h 31mAir Canada
Deal found 21/8C$ 729
Sun 5/105:55 a.m.YSJ - SFO
1 stop8h 38mUnited Airlines
Sun 12/109:58 a.m.SFO - YSJ
1 stop9h 53mUnited Airlines
Deal found 21/8C$ 889

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 22 August 2025.
Use the filters below to find and compare flights from Saint John to Fremont that are best for you.

Fly from

St John

Fly to

Fremont

Route

Depart

Return

Price

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Thu 25/9

5:55 a.m.-10:33 a.m.

1 stop8h 38m

San Francisco

Mon 29/9

8:40 a.m.-12:11 a.m.

1 stop11h 31m

C$ 729

Saint JohnSan Francisco

YSJ - SFO

YSJSFO

Saint John

Sun 5/10

5:55 a.m.-10:33 a.m.

1 stop8h 38m

San Francisco

Sat 11/10

12:43 a.m.-5:40 p.m.

2 stops12h 57m

C$ 889

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/8

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, January is the cheapest month in which you can book a flight from Saint John to Fremont (average of C$ 276). Flying from Saint John to Fremont in December is currently the most expensive (average of C$ 368). 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 8h 38m. 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, January is the cheapest month in which you can book a flight from Saint John to Fremont (average of C$ 276). Flying from Saint John to Fremont in December is currently the most expensive (average of C$ 368). 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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