Cheap flights from St. John's to San Francisco from C$ 425

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 20/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — SFO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

Cheapest flights from St. John's to San Francisco
Explore the most affordable flight options available from St. John's to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Sat 20/125:05 a.m.YYT - SFO
2 stops23h 28mUnited Airlines
Sat 27/126:45 a.m.SFO - YYT
2 stops13h 41mUnited Airlines
Deal found 5/11C$ 795
Sat 20/126:35 a.m.YYT - SFO
1 stop19h 34mAir Canada
Sat 27/128:30 a.m.SFO - YYT
1 stop10h 33mAir Canada
Deal found 5/11C$ 1,071
Sat 20/126:20 a.m.YYT - SFO
2 stops34h 50mMultiple Airlines
Sat 27/1210:15 a.m.SFO - YYT
3 stops24h 50mMultiple Airlines
Deal found 5/11C$ 1,799
Mon 10/116:20 a.m.YYT - SFO
2 stops34h 50mPorter Airlines
Wed 12/111:40 p.m.SFO - YYT
2 stops30h 51mPorter Airlines
Deal found 5/11C$ 1,968
Sun 9/115:05 a.m.YYT - SFO
2 stops19h 33mUnited Airlines
Wed 12/115:00 a.m.SFO - YYT
3 stops15h 26mUnited Airlines
Deal found 5/11C$ 2,079
Mon 10/116:10 p.m.YYT - SFO
1 stop19h 55mAir Canada
Wed 12/118:30 a.m.SFO - YYT
1 stop10h 13mAir Canada
Deal found 5/11C$ 2,140
Sun 9/115:05 a.m.YYT - SFO
2 stops23h 24mUnited Airlines
Tue 11/116:30 a.m.SFO - YYT
2 stops13h 56mUnited Airlines
Deal found 5/11C$ 2,153
Sat 8/111:30 p.m.YYT - SFO
2 stops16h 15mUnited Airlines
Tue 11/115:10 a.m.SFO - YYT
2 stops15h 16mUnited Airlines
Deal found 5/11C$ 2,162
Sat 8/116:00 a.m.YYT - SFO
3 stops32h 00mMultiple Airlines
Tue 11/1110:15 a.m.SFO - YYT
2 stops26h 00mMultiple Airlines
Deal found 5/11C$ 2,191

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

Discover tips and strategies to find the most affordable flight options for your journey from St. John's (YYT) to San Francisco (SFO). 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 5 November 2025.

Round-trip from

C$ 514

One-way from

C$ 425

Popular in

October

Cheapest in

April

Average price

C$ 1,063
Air Canada
  • Air Canada
  • 18/2-9/3
  • 4 total stops
  • 32h 12m total
  • St. John's to San Francisco
United Airlines
  • United Airlines
  • 20/12
  • 2 total stops
  • 23h 28m total
  • St. John's to San Francisco
Highest demand for flights based on searches. 43% potential increase in price (C$ 881 potential increase over avg. RT price).
Cheapest flight prices on average. 14% potential price decrease (C$ 144 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's to San Francisco 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 5 November 2025.
Use the filters below to find and compare flights from St. John's to San Francisco that are best for you.

Fly from

St. John's

Fly to

San Francisco

Route

Depart

Return

Price

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Wed 18/2

7:30 a.m.-9:39 p.m.

2 stops18h 39m

San Francisco

Mon 9/3

7:30 a.m.-1:33 a.m.

2 stops13h 33m

C$ 514

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Tue 17/2

6:10 p.m.-10:34 a.m.

2 stops20h 54m

San Francisco

Mon 9/3

7:30 a.m.-1:33 a.m.

2 stops13h 33m

C$ 556

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Tue 17/2

6:10 p.m.-10:54 a.m.

1 stop21h 14m

San Francisco

Sat 7/3

8:30 a.m.-11:28 p.m.

1 stop10h 28m

C$ 563

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Wed 18/2

6:35 a.m.-9:39 p.m.

1 stop19h 34m

San Francisco

Sat 7/3

8:30 a.m.-11:28 p.m.

1 stop10h 28m

C$ 563

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Mon 16/2

6:15 p.m.-10:54 a.m.

2 stops21h 09m

San Francisco

Sat 7/3

8:30 a.m.-11:28 p.m.

1 stop10h 28m

C$ 563

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Tue 17/2

5:05 a.m.-11:11 p.m.

2 stops22h 36m

San Francisco

Fri 6/3

6:44 p.m.-5:21 p.m.

2 stops18h 07m

C$ 577

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Tue 17/2

5:05 a.m.-11:11 p.m.

2 stops22h 36m

San Francisco

Sun 8/3

11:59 p.m.-12:56 a.m.

2 stops20h 27m

C$ 577

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Wed 18/2

5:05 a.m.-11:11 p.m.

2 stops22h 36m

San Francisco

Fri 6/3

6:44 p.m.-5:21 p.m.

2 stops18h 07m

C$ 577

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Wed 18/2

5:05 a.m.-7:19 p.m.

2 stops18h 44m

San Francisco

Sun 8/3

10:50 p.m.-12:56 a.m.

2 stops21h 36m

C$ 577

St. John'sSan Francisco

YYT - SFO

YYTSFO

St John's

Mon 16/2

5:00 a.m.-11:17 p.m.

2 stops22h 47m

San Francisco

Tue 10/3

11:59 p.m.-12:56 a.m.

2 stops20h 27m

C$ 586

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 17 results
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Best time to book a flight from St. John's to San Francisco

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

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

Find hourly flight availability from St. John's to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2025.

It’s optimal to fly from St. John's to San Francisco in the evening. By choosing this option you can save up to 73% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 5 November 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from St. John's to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from St. John's to San Francisco. 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 St. John's to San Francisco?

    A quick flight from St. John's to San Francisco can take about 18h 39m. Air Canada provides one of the quickest options available for as low as C$ 514. St. John's and San Francisco are separated by a distance of 5607 km.

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

    Air Canada, at C$ 171, was found to be the cheapest airline from St. John's to San Francisco. An alternate airline flying to your destination would be United Airlines. These flights start at 79% lower than the current average price 3 months from now.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to San Francisco.

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

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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Alameda
Redwood City
Burlingame
San Bruno
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo

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Alternative routes for St. John's to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 2 airlines that operate flights from St. John's to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 171AverageC$ 769FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 394AverageC$ 473FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. John's to San Francisco, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on St. John's to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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