What are the cheapest airlines flying from San Francisco to St. John's round-trip?

Our cheapest airline available from San Francisco to St. John's is Air Canada. Our recent data shows that you can find tickets from as low as C$ 508 on this airline. Additional options worth looking into are WestJet and United Airlines, starting at C$ 626 and C$ 657 round-trip. Air Canada is priced at 35% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from San Francisco to St. John's one-way?

C$ 218 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from C$ 265 and C$ 306, respectively.

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.

In terms of precipitation, rainfall in St. John's ranges from 92.0 - 165.0 mm per month. December is typically the wettest month, when rainfall can reach 165.0 mm. July is typically the driest time to visit St. John's when rainfall is around 92.0 mm.

If weather is an important factor for your trip to St. John's, 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 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest month to fly from San Francisco to St. John's?

The best pricing can be found in the month of May. Prices to St. John's from San Francisco average C$ 786. You can even find prices in May for less than C$ 786, as users have found deals to St. John's from as low as C$ 398. The month of December appears to be one of the more expensive times to travel to St. John's from San Francisco. Flying in the targeted month can save you up to 112%.

What is the cheapest time of day to fly from SFO to YYT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to St. John's as you normally would.

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.

C$ 218+ Flights from San Francisco to St. John's

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

Round-trip from	C$ 508
One-way from	C$ 218
Popular in	December
Cheapest in	May
Average price	C$ 694

Air Canada
4/10-11/10
2 total stops
22h 00m total
San Francisco to St. John's

Search Deals

Air Canada
13/9
1 total stop
11h 39m total
San Francisco to St. John's

Search Deals

Highest demand for flights based on searches. 32% potential increase in price (C$ 509 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 12% potential price decrease (C$ 122 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 29 July 2025.

Sat 4/104:35 p.m.SFO - YYT

2 stops16h 58mAir Canada

Sat 11/105:50 a.m.YYT - SFO

1 stop9h 51mAir Canada

Deal found 29/7C$ 508

Tue 30/912:50 p.m.SFO - YYT

1 stop13h 00mWestJet

Tue 7/103:00 p.m.YYT - SFO

2 stops34h 54mWestJet

Deal found 29/7C$ 626

Thu 4/95:15 a.m.SFO - YYT

2 stops14h 54mUnited Airlines

Sun 7/95:50 a.m.YYT - SFO

1 stop9h 51mUnited Airlines

Deal found 27/7C$ 657

Tue 30/912:50 p.m.SFO - YYT

1 stop13h 00mMultiple Airlines

Tue 7/103:00 p.m.YYT - SFO

2 stops31h 36mMultiple Airlines

Deal found 29/7C$ 683

Best flights from San Francisco to St. John's
Discover carefully curated flight deals from San Francisco to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 July 2025.

Sat 4/108:30 a.m.SFO - YYT

1 stop11h 39mAir Canada

Sat 11/102:00 p.m.YYT - SFO

1 stop10h 21mAir Canada

Deal found 29/7C$ 508

Tue 30/912:50 p.m.SFO - YYT

1 stop13h 00mWestJet

Tue 7/103:00 p.m.YYT - SFO

2 stops34h 54mWestJet

Deal found 29/7C$ 626

Thu 4/95:15 a.m.SFO - YYT

2 stops14h 54mUnited Airlines

Sun 7/95:50 a.m.YYT - SFO

1 stop9h 51mUnited Airlines

Deal found 27/7C$ 657

Tue 30/912:50 p.m.SFO - YYT

1 stop13h 00mMultiple Airlines

Tue 7/103:00 p.m.YYT - SFO

2 stops31h 36mMultiple Airlines

Deal found 29/7C$ 683

Last-minute flights from San Francisco to St. John's
Discover last-minute flight deals from San Francisco to St. John's. Data last updated 29 July 2025 and is based on user searches.

Mon 4/88:36 p.m.SFO - YYT

2 stops35h 08mMultiple Airlines

Mon 11/83:40 p.m.YYT - SFO

1 stop23h 15mMultiple Airlines

Deal found 27/7C$ 1,236

Mon 4/82:45 p.m.SFO - YYT

2 stops20h 53mWestJet

Sun 10/87:10 a.m.YYT - SFO

2 stops35h 19mWestJet

Deal found 27/7C$ 1,391

Mon 4/88:20 a.m.SFO - YYT

1 stop11h 48mUnited Airlines

Mon 11/85:50 a.m.YYT - SFO

2 stops18h 16mUnited Airlines

Deal found 26/7C$ 1,473

Mon 4/88:20 a.m.SFO - YYT

1 stop11h 48mAir Canada

Mon 11/85:50 a.m.YYT - SFO

1 stop18h 37mAir Canada

Deal found 26/7C$ 1,578

Fri 29/88:52 p.m.SFO - YYT

2 stops23h 16mUnited Airlines

Sun 7/95:50 a.m.YYT - SFO

1 stop9h 51mUnited Airlines

Deal found 27/7C$ 702

Fri 29/88:20 a.m.SFO - YYT

1 stop11h 48mAir Canada

Sun 7/95:50 a.m.YYT - SFO

1 stop9h 51mAir Canada

Deal found 29/7C$ 793

One-way flights from San Francisco to St. John's
Search for one-way flight options from San Francisco to St. John's. Find affordable one-way fares based on user searches. Data last updated 29 July 2025.

Sat 13/98:30 a.m.SFO - YYT

1 stop11h 39mAir Canada

Deal found 27/7C$ 218

Fri 19/912:50 p.m.SFO - YYT

1 stop13h 00mWestJet

Deal found 27/7C$ 265

Sat 30/811:59 p.m.SFO - YYT

2 stops12h 43mUnited Airlines

Deal found 29/7C$ 306

Sun 31/810:15 a.m.SFO - YYT

3 stops49h 23mMultiple Airlines

Deal found 29/7C$ 331

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 4/10

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

1 stop11h 39m

St John's

Sat 11/10

2:00 p.m.-7:51 p.m.

1 stop10h 21m

C$ 508

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 30/9

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

1 stop13h 00m

St John's

Tue 7/10

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

2 stops34h 54m

C$ 626

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Thu 4/9

5:15 a.m.-12:39 a.m.

2 stops14h 54m

St John's

Sun 7/9

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

1 stop9h 51m

C$ 657

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 30/9

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

1 stop13h 00m

St John's

Tue 7/10

3:00 p.m.-6:06 p.m.

2 stops31h 36m

C$ 683

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 13/9

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

1 stop11h 39m

C$ 218

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Fri 19/9

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

1 stop13h 00m

C$ 265

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 30/8

11:59 p.m.-5:12 p.m.

2 stops12h 43m

C$ 306

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sun 31/8

10:15 a.m.-4:08 p.m.

3 stops49h 23m

C$ 331

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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.

Reviews of airlines servicing St. John's

Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from San Francisco to St. John's to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,899 reviews

Check prices

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

8,899 reviews

United Airlines

7.4

Good

8,899 reviews

Check prices

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??

WestJet

7.2

Good

2,973 reviews

United Airlines

7.4

Good

8,899 reviews

Check prices

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

7.1

Good

9,822 reviews

United Airlines

7.4

Good

8,899 reviews

Check prices

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

What are the cheapest airlines flying from San Francisco to St. John's round-trip?
Our cheapest airline available from San Francisco to St. John's is Air Canada. Our recent data shows that you can find tickets from as low as C$ 508 on this airline. Additional options worth looking into are WestJet and United Airlines, starting at C$ 626 and C$ 657 round-trip. Air Canada is priced at 35% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from San Francisco to St. John's one-way?
C$ 218 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from C$ 265 and C$ 306, respectively.
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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How does Cheapflights help users find flights from San Francisco to St. John's?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. John's from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to St. John's?

Cheapflights helps you find that perfect flight to St. John's from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to St. John's with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to St. John's flexibly with Cheapflights today.

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

Yes! Start tracking prices for San Francisco to St. John's flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from San Francisco to St. John's from C$ 218

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from San Francisco to St. John'sExplore 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 29 July 2025.

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 29 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to St. John's that are best for you.

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.

Reviews of airlines servicing St. John's

Check out reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from San Francisco to St. John's to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines flying from San Francisco to St. John's round-trip?

What are the cheapest airlines to fly from San Francisco to St. John's one-way?

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

How can I 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?

What is the cheapest month to book a flight from San Francisco to St. John's?

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.

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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Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to St. John's?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to St. John's?

Can Cheapflights find flights from San Francisco to St. John's with no change fees?

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

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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 29 July 2025.