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Cheap flights from San Francisco to St. John's from C$ 575

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from San Francisco to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to St. John's (YYT). 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 11 September 2025.

Round-trip from

C$ 575

Popular in

December

Cheapest in

May

Average price

C$ 883
WestJet
  • WestJet
  • 11/10-17/10
  • 2 total stops
  • 37h 04m total
  • San Francisco to St. John's
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Highest demand for flights based on searches. 30% potential increase in price (C$ 485 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease (C$ 114 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to St. John's

Cheapest flights from San Francisco to St. John's
Explore the most affordable flight options available from San Francisco to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 11/107:30 a.m.SFO - YYT
1 stop18h 20mWestJet
Fri 17/107:10 a.m.YYT - SFO
1 stop18h 44mWestJet
Deal found 10/9C$ 575
Sat 11/1012:00 p.m.SFO - YYT
2 stops37h 50mMultiple Airlines
Fri 17/107:10 a.m.YYT - SFO
1 stop18h 44mMultiple Airlines
Deal found 10/9C$ 583
Fri 10/1012:50 p.m.SFO - YYT
1 stop13h 00mWestJet
Fri 17/107:10 a.m.YYT - SFO
1 stop33h 14mWestJet
Deal found 11/9C$ 588
Sat 27/912:50 p.m.SFO - YYT
2 stops29h 36mWestJet
Mon 29/93:00 p.m.YYT - SFO
2 stops34h 54mWestJet
Deal found 10/9C$ 615
Sun 28/97:30 a.m.SFO - YYT
1 stop18h 20mWestJet
Mon 29/93:00 p.m.YYT - SFO
2 stops34h 54mWestJet
Deal found 10/9C$ 621
Thu 9/107:30 a.m.SFO - YYT
1 stop18h 20mWestJet
Thu 16/107:10 a.m.YYT - SFO
1 stop18h 44mWestJet
Deal found 10/9C$ 622
Tue 14/104:35 p.m.SFO - YYT
2 stops16h 58mAir Canada
Tue 21/105:50 a.m.YYT - SFO
1 stop9h 51mAir Canada
Deal found 10/9C$ 625
Sun 5/107:30 a.m.SFO - YYT
1 stop18h 20mWestJet
Mon 6/103:00 p.m.YYT - SFO
2 stops25h 24mWestJet
Deal found 11/9C$ 632
Thu 16/107:10 a.m.SFO - YYT
2 stops13h 36mAir Canada
Fri 24/105:50 a.m.YYT - SFO
1 stop9h 51mAir Canada
Deal found 10/9C$ 635

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to St. John's 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 11 September 2025.
Use the filters below to find and compare flights from San Francisco to St. John's that are best for you.

Fly from

San Francisco

Fly to

St. John's

Route

Depart

Return

Price

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 11/10

7:30 a.m.-6:20 a.m.

1 stop18h 20m

St John's

Fri 17/10

7:10 a.m.-9:24 p.m.

1 stop18h 44m

C$ 575

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 11/10

12:00 p.m.-6:20 a.m.

2 stops37h 50m

St John's

Fri 17/10

7:10 a.m.-9:24 p.m.

1 stop18h 44m

C$ 583

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Fri 10/10

12:50 p.m.-6:20 a.m.

1 stop13h 00m

St John's

Fri 17/10

7:10 a.m.-11:54 a.m.

1 stop33h 14m

C$ 588

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sun 28/9

7:30 a.m.-6:20 a.m.

1 stop18h 20m

St John's

Mon 29/9

3:00 p.m.-9:24 p.m.

2 stops34h 54m

C$ 621

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 14/10

4:35 p.m.-2:03 p.m.

2 stops16h 58m

St John's

Wed 22/10

5:50 a.m.-11:11 a.m.

1 stop9h 51m

C$ 625

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sun 12/10

8:30 a.m.-12:39 a.m.

1 stop11h 39m

St John's

Sun 19/10

5:50 a.m.-11:11 a.m.

1 stop9h 51m

C$ 625

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Thu 9/10

7:30 a.m.-6:20 a.m.

1 stop18h 20m

St John's

Thu 16/10

3:00 p.m.-11:54 a.m.

2 stops25h 24m

C$ 632

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 27/9

12:50 p.m.-6:20 a.m.

1 stop13h 00m

St John's

Mon 29/9

7:10 a.m.-11:54 a.m.

1 stop33h 14m

C$ 637

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Fri 24/10

8:30 a.m.-12:39 a.m.

1 stop11h 39m

St John's

Fri 31/10

5:00 a.m.-1:30 p.m.

1 stop13h 00m

C$ 662

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Best time to book a flight from San Francisco to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's 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.

Related info for your journey

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

  • How long is the flight from San Francisco to St. John's?

    Airlines like WestJet and Air Canada fly from San Francisco to St. John's in about 16h 58m. The time it takes to get you to your destination can typically vary by up to 1h 22m. There are 5607 km between San Francisco and St. John's. This flight may include one or multiple stops.

  • Can I find deals for flights from San Francisco to St. John's that include hotel bookings?

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

  • How can I find direct flights from San Francisco to St. John's?

    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's.

  • Can I find deals for business class flights from San Francisco to St. John's?

    Yes. Cheapflights offers flight deals from San Francisco to St. John's 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 San Francisco to St. John's?

    Currently, May is the cheapest month in which you can book a flight from San Francisco to St. John's (average of C$ 221). Flying from San Francisco to St. John's in December is currently the most expensive (average of C$ 382). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
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Can Cheapflights find flights from San Francisco to St. John's with no change fees?

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Can Cheapflights notify me if prices for flights from San Francisco to St. John's become cheaper?

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