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$149+ Cheap flights from San Francisco (SFO) to Toronto (YTO)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YTO
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Toronto are usually found in February or April, booked 20 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from San Francisco to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Toronto (YTO). 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 julio 3, 2025.

Round-trip from

$257
(Kiwi.com)

One-way from

$149
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$482

Good round-trip deal

$429 or less

Good one-way deal

$198 or less
From San Francisco to Toronto (YTO)
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One-way flight from San Francisco to Toronto (YTO)
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Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Francisco to Toronto (YTO).
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Price to beat on a one-way flight from San Francisco to Toronto (YTO).
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Find flight deals from San Francisco to Toronto

Cheapest flights from San Francisco to Toronto
Explore the most affordable flight options available from San Francisco to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/108:48 amSFO - YYZ
1 stop8h 10mMultiple Airlines
mié. 9/1711:00 amYYZ - SFO
2 stops13h 32mMultiple Airlines
Deal found 7/1$257
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1310:15 amSFO - YKF
1 stop17h 55mMultiple Airlines
dom. 8/176:00 amYKF - SFO
1 stop8h 56mMultiple Airlines
Deal found 7/1$275
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/187:30 amSFO - YYZ
2 stops10h 31mWestJet
mar. 9/2312:00 pmYYZ - SFO
2 stops12h 24mWestJet
Deal found 7/2$278
This FlightHub deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:30 amSFO - YKF
1 stop8h 25mWestJet
mar. 9/96:00 amYKF - SFO
2 stops10h 57mWestJet
Deal found 7/1$280
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1410:15 amSFO - YKF
1 stop17h 55mFlair Airlines
lun. 8/188:25 pmYKF - SFO
1 stop16h 05mFlair Airlines
Deal found 7/3$290
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/612:50 pmSFO - YHM
1 stop8h 51mWestJet
dom. 8/176:00 amYHM - SFO
1 stop8h 56mWestJet
Deal found 7/2$322
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/67:07 pmSFO - YHM
2 stops26h 33mMultiple Airlines
lun. 9/86:00 amYHM - SFO
1 stop8h 54mMultiple Airlines
Deal found 7/1$330
This Flightnetwork deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/247:40 pmSFO - YTZ
2 stops12h 51mAir Canada
jue. 8/2810:20 amYTZ - SFO
2 stops12h 37mAir Canada
Deal found 7/3$357
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/1210:37 amSFO - YTZ
2 stops22h 43mMultiple Airlines
vie. 7/187:55 amYTZ - SFO
1 stop17h 11mMultiple Airlines
Deal found 6/30$429

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Toronto 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 2,558,603 searches. Data last updated julio 3, 2025.
Use the filters below to find and compare flights from San Francisco to Toronto that are best for you.

Fly from

San Francisco

Fly to

Toronto

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

mié. 9/10

8:48 am-7:58 pm

1 stop8h 10m

Toronto Pearson Intl

mié. 9/17

11:00 am-9:32 pm

2 stops13h 32m

$257

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

mié. 8/13

10:15 am-7:10 am

1 stop17h 55m

Toronto Region of Waterloo Intl

dom. 8/17

6:00 am-11:56 am

1 stop8h 56m

$275

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

jue. 9/18

7:30 am-9:01 pm

2 stops10h 31m

Toronto Pearson Intl

mar. 9/23

12:00 pm-9:24 pm

2 stops12h 24m

$278

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 9/4

7:30 am-6:55 pm

1 stop8h 25m

Toronto Region of Waterloo Intl

mar. 9/9

6:00 am-1:57 pm

2 stops10h 57m

$280

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 8/14

10:15 am-7:10 am

1 stop17h 55m

Toronto Region of Waterloo Intl

lun. 8/18

8:25 pm-9:30 am

1 stop16h 05m

$290

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

mié. 8/6

12:50 pm-12:41 am

1 stop8h 51m

Hamilton

dom. 8/17

6:00 am-11:56 am

1 stop8h 56m

$322

San FranciscoHamilton

SFO - YHM

SFOYHM

San Francisco

sáb. 9/6

7:07 pm-12:40 am

2 stops26h 33m

Hamilton

lun. 9/8

6:00 am-11:54 am

1 stop8h 54m

$330

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

dom. 8/24

7:40 pm-11:31 am

2 stops12h 51m

Toronto Island

jue. 8/28

10:20 am-7:57 pm

2 stops12h 37m

$357

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

sáb. 7/12

10:37 am-12:20 pm

2 stops22h 43m

Toronto Island

vie. 7/18

7:55 am-10:06 pm

1 stop17h 11m

$429

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

sáb. 8/2

2:45 pm-6:12 am

2 stops12h 27m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 23 results
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The best insider tips for San Francisco to Toronto flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Toronto trip
Airlines
Air Canada

Air Canada offers lie-flat seats in Business Class for maximum comfort on longer flights.


Access over 2,500 hours of entertainment, including movies and series, on most flights.

Read more about Air Canadaby Jessica Macdonald
Porter Airlines

PorterReserve offers extra legroom with 36 inches and premium snacks, ideal for longer flights.


Enjoy free Wi-Fi and streaming on your device during flights, enhancing your travel experience.

Read more about Porter Airlinesby Daniel Scheffler
Air Transat

Club Class offers priority check-in and boarding, enhancing your travel efficiency.


Air Transat's Club Class provides 38 inches of seat pitch, ideal for comfort on longer flights.

Read more about Air Transatby Miquel Ros
Airports
SFO

Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.

Read more about SFOby Harriet Baskas
YYZ

For a smooth arrival at YYZ, use public transportation to avoid traffic and save money on your way to downtown Toronto.

Read more about YYZby Kaitlyn McInnis
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Miquel Ros

Miquel Ros

Expert on Air Transat

Miquel Ros

Miquel Ros

Originally from Barcelona, Miquel is an avid traveler fascinated by borders and airplanes, two topics that feature often in this work. Miquel writes regularly about travel and aviation for international media outlets such as CNN and AeroTime and runs Allplane.tv, a site and podcast focusing on innovation and sustainability in the aviation industry.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Best time to book a flight from San Francisco to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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 Toronto

How far ahead should I book a flight from San Francisco to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Toronto. Price data was last updated on June 27, 2025.

The price you pay for your flight from San Francisco to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Toronto?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of $243). Flying from San Francisco to Toronto in August is currently the most expensive (average of $348). 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.

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

Find hourly flight availability from San Francisco to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from San Francisco to Toronto by exploring options for tickets at noon.

What is the cheapest day to fly from San Francisco to Toronto?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Toronto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Toronto flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Toronto

Explore weekly flight availability from San Francisco to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 3, 2025.

The most flights from SFO to YTO are scheduled on a Monday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (18 on average).

How much does it cost to fly round-trip from San Francisco to Toronto?

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated julio 3, 2025.
Read through reviews of airlines operating flights from San Francisco to Toronto, such as Porter Airlines, Delta, and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
298 reviews
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,982 reviews
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
407 reviews
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,917 reviews
Porter Airlines
8.0
Very good
298 reviews

Boarding

8.2

Food

7.7

Crew

8.7

Comfort

8.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Related info for your journey

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

  • What airport do you fly from for flights from San Francisco to Toronto?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Toronto. 7 airlines have flights from San Francisco to Toronto on a regular basis. Booking flights from San Francisco to Toronto should not be difficult; the airport handles an average of 20 outbound flights to Toronto per day.

  • What are the cheapest airlines flying from San Francisco to Toronto round-trip?

    Our cheapest airline available from San Francisco to Toronto is WestJet. Our recent data shows that you can find tickets from as low as $278 on this airline. Additional options worth looking into are Flair Airlines and Air Canada, starting at $308 and $364 round-trip. You may be able to fly from San Francisco to Toronto for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Francisco to Toronto one-way?

    The cheapest airlines for a one-way flight from San Francisco to Toronto are WestJet ($149), Flair Airlines ($160), and Porter Airlines ($164).

  • What are the most popular routes from San Francisco to Toronto?

    Most travelers choose San Francisco - Toronto Pearson Intl, San Francisco - Toronto Region of Waterloo Intl or San Francisco - Hamilton when deciding on the best route from San Francisco to Toronto.

  • What are the most reliable airlines from San Francisco to Toronto?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Toronto on time: Brussels Airlines (93%), Singapore Airlines (85%), Austrian Airlines (82%).

  • What are the cheapest flights from San Francisco to Toronto?

    While on average a flight from San Francisco to Toronto is generally $1,432, our data shows the cheapest flight currently is $146. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $258 for that flight.

  • Can I find deals for flights from San Francisco to Toronto that include hotel bookings?

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

  • How can I find direct flights from San Francisco to Toronto?

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

  • Can I find deals for business class flights from San Francisco to Toronto?

    Yes. Cheapflights offers flight deals from San Francisco to Toronto 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 Toronto?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Toronto (average of $243). Flying from San Francisco to Toronto in August is currently the most expensive (average of $348). 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

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Alternative routes for San Francisco to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Pierre Elliott Trudeau Intl flights
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Las Vegas to Toronto Island flights
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Las Vegas to Hamilton flights
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Reno to Pearson Intl flights
Sacramento to Hamilton flights
San Jose to Ottawa flights
San Diego to Ottawa flights
San Jose to Hamilton flights
Ontario to Ottawa flights
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Top 7 airlines flying from San Francisco to Toronto

Discover the top 7 airlines that operate flights from San Francisco to Toronto. 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 2,558,603 searches. Data last updated julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$159Average$397FlexibilityNo cancel feeOn-time52%
DeltaCheapest$195Average$523FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$195Average$411FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$199Average$513FlexibilityNo cancel feeOn-time67%
WestJetCheapest$220Average$311FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$268Average$552FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$579FlexibilityNo cancel feeOn-time69%

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