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Cheap flights from San Francisco to St. John's from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to St. John's departing on 12/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to St. John's

Cheap round-trip flights

WestJet Logo
2:45 pm - 6:20 amSFO-YYT
35h 05m2 stops
WestJet Logo
7:10 am - 1:57 pmYYT-SFO
35h 17m2 stops
$386WestJet
Find Deal
Mon, Sep 29 - Thu, Oct 16
WestJet Logo
7:30 am - 6:20 amSFO-YYT
18h 20m1 stop
WestJet Logo
7:10 am - 9:24 pmYYT-SFO
18h 44m1 stop
$387WestJet
Find Deal
Tue, Sep 30 - Thu, Oct 16
WestJet Logo
7:30 am - 6:20 amSFO-YYT
18h 20m1 stop
WestJet Logo
7:10 am - 1:57 pmYYT-SFO
35h 17m2 stops
$393WestJet
Find Deal
Mon, Sep 29 - Thu, Oct 16
WestJet Logo
7:30 am - 10:56 pmSFO-YYT
34h 56m2 stops
WestJet Logo
7:10 am - 1:57 pmYYT-SFO
35h 17m2 stops
$417WestJet
Find Deal
Tue, Sep 30 - Thu, Oct 16
United Airlines Logo
7:00 am - 12:39 amSFO-YYT
13h 09m2 stops
United Airlines Logo
5:50 am - 7:03 pmYYT-SFO
17h 43m2 stops
$518United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
United Airlines Logo
5:15 am - 12:39 amSFO-YYT
14h 54m2 stops
United Airlines Logo
5:00 am - 5:20 pmYYT-SFO
16h 50m2 stops
$525United Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Air Canada Logo
8:30 am - 12:39 amSFO-YYT
11h 39m1 stop
Air Canada Logo
5:00 am - 3:28 pmYYT-SFO
14h 58m2 stops
$542Air Canada
Find Deal
Thu, Oct 9 - Thu, Oct 16
Air Canada Logo
11:40 am - 2:03 pmSFO-YYT
21h 53m2 stops
Air Canada Logo
5:50 am - 11:11 amYYT-SFO
9h 51m1 stop
$569Air Canada
Find Deal
Sat, Oct 4 - Sat, Oct 11
Multiple Airlines Logo
6:05 pm - 6:20 amSFO-YYT
31h 45m1 stop
Multiple Airlines Logo
6:00 am - 12:23 pmYYT-SFO
10h 53m1 stop
$853Multiple Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 15
Multiple Airlines Logo
12:50 pm - 6:20 amSFO-YYT
13h 00m1 stop
Multiple Airlines Logo
6:00 am - 12:23 pmYYT-SFO
10h 53m1 stop
$873Multiple Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 15

United Airlines flights from San Francisco to St. John's

Our best United Airlines deals on San Francisco to St. John's flight tickets
United Airlines
Oct 4
SFO7:00 amSan Francisco
13h 09m
2 stops
YYT12:39 amSt John's
Oct 11
YYT5:50 amSt John's
17h 43m
2 stops
SFO7:03 pmSan Francisco
$518
Find similar
United Airlines
Oct 4
SFO5:15 amSan Francisco
14h 54m
2 stops
YYT12:39 amSt John's
Oct 11
YYT5:00 amSt John's
16h 50m
2 stops
SFO5:20 pmSan Francisco
$525
Find similar
United Airlines
Sep 29
SFO11:00 pmSan Francisco
18h 11m
2 stops
YYT9:41 pmSt John's
Oct 16
YYT5:50 amSt John's
9h 51m
1 stop
SFO11:11 amSan Francisco
$546
Find similar

Air Canada flights from San Francisco to St. John's

Our best Air Canada deals on San Francisco to St. John's flight tickets
Air Canada
Oct 9
SFO8:30 amSan Francisco
11h 39m
1 stop
YYT12:39 amSt John's
Oct 16
YYT5:00 amSt John's
14h 58m
2 stops
SFO3:28 pmSan Francisco
$542
Find similar
Air Canada
Oct 4
SFO11:40 amSan Francisco
21h 53m
2 stops
YYT2:03 pmSt John's
Oct 11
YYT5:50 amSt John's
9h 51m
1 stop
SFO11:11 amSan Francisco
$569
Find similar
Air Canada
Oct 4
SFO2:05 pmSan Francisco
18h 29m
2 stops
YYT1:04 pmSt John's
Oct 11
YYT5:50 amSt John's
9h 51m
1 stop
SFO11:11 amSan Francisco
$571
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
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 9/29

2:45 pm-6:20 am

2 stops35h 05m

St John's

Thu 10/16

7:10 am-1:57 pm

2 stops35h 17m

$386

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 9/30

7:30 am-6:20 am

1 stop18h 20m

St John's

Thu 10/16

7:10 am-9:24 pm

1 stop18h 44m

$387

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Mon 9/29

7:30 am-6:20 am

1 stop18h 20m

St John's

Thu 10/16

7:10 am-1:57 pm

2 stops35h 17m

$393

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Tue 9/30

7:30 am-10:56 pm

2 stops34h 56m

St John's

Thu 10/16

7:10 am-1:57 pm

2 stops35h 17m

$417

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 10/4

7:00 am-12:39 am

2 stops13h 09m

St John's

Sat 10/11

5:50 am-7:03 pm

2 stops17h 43m

$518

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 10/4

5:15 am-12:39 am

2 stops14h 54m

St John's

Sat 10/11

5:00 am-5:20 pm

2 stops16h 50m

$525

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Thu 10/9

8:30 am-12:39 am

1 stop11h 39m

St John's

Thu 10/16

5:00 am-3:28 pm

2 stops14h 58m

$542

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sat 10/4

11:40 am-2:03 pm

2 stops21h 53m

St John's

Sat 10/11

5:50 am-11:11 am

1 stop9h 51m

$569

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sun 9/28

6:05 pm-6:20 am

1 stop31h 45m

St John's

Wed 10/15

6:00 am-12:23 pm

1 stop10h 53m

$853

San FranciscoSt. John's

SFO - YYT

SFOYYT

San Francisco

Sun 9/28

12:50 pm-6:20 am

1 stop13h 00m

St John's

Wed 10/15

6:00 am-12:23 pm

1 stop10h 53m

$873

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to St. John's from

How to get the cheapest flight ticket from San Francisco to St. John's

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. John's?

Our data shows that Wednesday is the least expensive day to fly to St. John's. Tickets to fly out on this day can be as low as $578. Flights from San Francisco to St. John's on a Sunday will generally be more expensive and average around $844. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. John's?

The cheapest time of day to fly to St. John's is at noon when flights can be purchased for as low as $614. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $844 on average. Flights to St. John's from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on San Francisco to St. John's flights?

You could potentially save up to 71% on your flight if you consider stops on a San Francisco to St. John's flight.

When to book flights from San Francisco to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to St. John's according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to St. John's (SFO to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to St. John's

Direct flights

None
There are no direct flights from San Francisco to St. John's. There are no popular flight routes from San Francisco to St. John's.
Search flight deals

  • How far is San Francisco to St John's by plane?

    St John's is 3480.9 mi away from San Francisco. In terms of flight time, this usually takes a little over 9h 46m.

  • When did momondo last update prices for flights from San Francisco Airport to St John's Airport?

    Prices for flights from San Francisco Airport to St John's Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to St John's Airport?

  • How old do you have to be to fly from San Francisco Airport to St John's Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to St John's Airport.

  • What documentation or ID do you need to fly to St John's Airport?

    The necessary travel and health documents for your St John's Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to St. John's?

Best airlines flying from San Francisco to St. John's

Compare and see reviews for airlines that fly from San Francisco to St. John's with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $290Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $333Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to St. John's?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. John's from San Francisco.

Can I find flights from San Francisco to St. John's with flexible booking policies on momondo?

Flights from San Francisco to St. John's with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to St. John's?

Once all potential San Francisco to St. John's flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to St. John's right now. Can momondo alert me if prices change?

Price alerts on flights to St. John's from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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