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

There are many flights that can get you from San Francisco to St. John's in 20h 02m. Fly via United Airlines or Air Canada to get the fastest option. There are 3484 mi between San Francisco and St. John's. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 United Airlines. Our recent data shows that you can find tickets from as low as $290 on this airline. An additional option worth looking into is Air Canada, starting at $333. These flights start at 49% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in St. John's ranges from 3.6 - 6.5 inches per month. December is typically the wettest month, when rainfall can reach 6.5 in. July is typically the driest time to visit St. John's when rainfall is around 3.6 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

Most accurate provider : When it comes to deals on San Francisco-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-St. John's flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Francisco-St. John's flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-St. John's flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$649+ Flights from San Francisco to St. John's

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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 November 2, 2025.

Mon 12/154:49 pmSFO - YYT

2 stops20h 02mUnited Airlines

Mon 12/225:05 amYYT - SFO

2 stops20h 54mUnited Airlines

Deal found 10/31

$649

Mon 12/158:25 amSFO - YYT

2 stops36h 08mMultiple Airlines

Mon 12/223:35 pmYYT - SFO

1 stop36h 05mMultiple Airlines

Deal found 10/31

$655

Tue 12/168:30 amSFO - YYT

2 stops20h 35mAir Canada

Mon 12/298:55 pmYYT - SFO

2 stops18h 29mAir Canada

Deal found 10/31

$669

Mon 12/158:30 amSFO - YYT

1 stop12h 53mAir Canada

Mon 12/226:35 amYYT - SFO

1 stop13h 20mAir Canada

Deal found 10/31

$671

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 November 2, 2025.

Mon 12/154:49 pmSFO - YYT

2 stops20h 02mUnited Airlines

Mon 12/225:05 amYYT - SFO

2 stops20h 54mUnited Airlines

Deal found 10/31

$649

Tue 12/168:30 amSFO - YYT

2 stops20h 35mAir Canada

Mon 12/298:55 pmYYT - SFO

2 stops18h 29mAir Canada

Deal found 10/31

$669

Mon 12/151:40 pmSFO - YYT

3 stops29h 05mMultiple Airlines

Mon 12/226:00 amYYT - SFO

3 stops21h 24mMultiple Airlines

Deal found 10/31

$948

Mon 12/158:30 amSFO - YYT

1 stop12h 53mAir Canada

Mon 12/226:35 amYYT - SFO

1 stop13h 20mAir Canada

Deal found 10/31

$671

Sat 1/318:30 amSFO - YYT

1 stop10h 13mMultiple Airlines

Sat 2/75:00 amYYT - SFO

1 stop20h 23mMultiple Airlines

Deal found 11/1

$2,037

Sat 1/316:45 amSFO - YYT

2 stops11h 58mUnited Airlines

Sat 2/71:30 pmYYT - SFO

2 stops14h 00mUnited Airlines

Deal found 11/1

$3,158

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$649 (United Airlines)
Popular in	December
Cheapest in	May
Average price	$388

Provider with most accurate pricing for San Francisco-St John's flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Francisco-St John's flights.

Search Deals

From San Francisco to St John's

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($229 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

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

Mon 12/15

4:49 pm-5:21 pm

2 stops20h 02m

St John's

Mon 12/22

5:05 am-9:29 pm

2 stops20h 54m

$649

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 12/16

8:30 am-9:35 am

2 stops20h 35m

St John's

Mon 12/29

8:55 pm-10:54 am

2 stops18h 29m

$669

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Mon 12/15

8:30 am-1:53 am

1 stop12h 53m

St John's

Mon 12/22

6:35 am-3:25 pm

1 stop13h 20m

$671

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Mon 12/15

1:40 pm-11:15 pm

3 stops29h 05m

St John's

Mon 12/22

6:00 am-10:54 pm

3 stops21h 24m

$948

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 1/31

8:30 am-11:13 pm

1 stop10h 13m

St John's

Sat 2/7

5:00 am-8:53 pm

1 stop20h 23m

$2,037

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 1/31

6:45 am-11:13 pm

2 stops11h 58m

St John's

Sat 2/7

1:30 pm-11:00 pm

2 stops14h 00m

$3,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Most accurate provider: When it comes to deals on San Francisco-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-St. John's flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Francisco-St. John's flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-St. John's flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to St. John's

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

It’s typically best to fly out from San Francisco to St. John's at noon. Doing so could potentially save you 27% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing St. John's

Read through reviews of airlines operating flights from San Francisco to St. John's, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,997 reviews

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

8,997 reviews

United Airlines

7.4

Good

8,997 reviews

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

10,392 reviews

United Airlines

7.4

Good

8,997 reviews

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

How long is the flight from San Francisco to St. John's?
There are many flights that can get you from San Francisco to St. John's in 20h 02m. Fly via United Airlines or Air Canada to get the fastest option. There are 3484 mi between San Francisco and St. John's. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
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 United Airlines. Our recent data shows that you can find tickets from as low as $290 on this airline. An additional option worth looking into is Air Canada, starting at $333. These flights start at 49% lower than the current average price 3 months from now.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from San Francisco to St. John's

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$290	Average$506	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$333	Average$497	FlexibilityNo cancel fee	On-time67%

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$649+ Cheap flights from San Francisco (SFO) to St. John's (YYT)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to St. John's with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 November 2, 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 November 2, 2025.

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

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to St. John's

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

Reviews of airlines servicing St. John's

Read through reviews of airlines operating flights from San Francisco to St. John's, such as United Airlines and Air Canada. Reviews also offer insight into each airline's 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.

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

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

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?

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.

Top 2 airlines flying from San Francisco to St. John's

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Book with Flexibility

Travel Smart

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 November 2, 2025.