San Francisco

$89+ Cheap flights from Austin to San Francisco (AUS - SFO)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SFO
Oct 15 — Oct 221
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Cheapflights Tip: The best prices from Austin Bergstrom to San Francisco are usually found in September or August, booked 81 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Austin to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 September 15, 2025.

Round-trip from

$159
(SmartFares)

One-way from

$89
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$280

Good round-trip deal

$245 or less

Good one-way deal

$129 or less
From Austin Bergstrom to San Francisco
One-way flight from Austin Bergstrom to San Francisco
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Austin Bergstrom to San Francisco.
Price to beat on a one-way flight from Austin Bergstrom to San Francisco.

Find flight deals from Austin to San Francisco

Cheapest flights from Austin to San Francisco
Explore the most affordable flight options available from Austin to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:14 pmAUS - SFO
Nonstop4h 01mHawaiian Airlines
Wed 11/55:22 pmSFO - AUS
Nonstop3h 37mHawaiian Airlines
Deal found 9/14$159
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 11/161:06 pmAUS - SFO
1 stop10h 05mFrontier
Mon 11/173:35 pmSFO - AUS
1 stop6h 57mFrontier
Deal found 9/13$160
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:25 amAUS - SFO
Nonstop4h 00mSouthwest
Mon 12/812:30 pmSFO - AUS
Nonstop3h 20mSouthwest
Deal found 9/12$161
This Hawaiian Airlines deal was found by Cheapflights users on 9/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amAUS - SFO
Nonstop3h 53mHawaiian Airlines
Tue 10/287:00 amSFO - AUS
Nonstop3h 35mHawaiian Airlines
Deal found 9/12$163
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:00 amAUS - SFO
1 stop18h 27mFrontier
Mon 10/2010:17 pmSFO - AUS
1 stop12h 40mFrontier
Deal found 9/13$164
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/171:32 pmAUS - SFO
1 stop7h 41mFrontier
Mon 10/2010:17 pmSFO - AUS
1 stop12h 40mFrontier
Deal found 9/14$165
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:00 amAUS - SFO
1 stop16h 30mFrontier
Sat 9/279:59 pmSFO - AUS
1 stop20h 57mFrontier
Deal found 9/13$166
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Sat 11/18:30 amAUS - SFO
Nonstop3h 59mMultiple Airlines
Mon 11/33:25 pmSFO - AUS
1 stop7h 07mMultiple Airlines
Deal found 9/14$167
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:00 pmAUS - SFO
1 stop9h 29mFrontier
Tue 10/148:00 amSFO - AUS
1 stop26h 57mFrontier
Deal found 9/15$168
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/59:23 pmAUS - SFO
1 stop28h 53mMultiple Airlines
Wed 12/177:00 amSFO - AUS
Nonstop3h 33mMultiple Airlines
Deal found 9/13$169
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/226:00 amAUS - SFO
Nonstop3h 53mMultiple Airlines
Thu 10/305:45 amSFO - AUS
1 stop5h 38mMultiple Airlines
Deal found 9/13$170
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/212:44 pmAUS - SFO
1 stop8h 24mMultiple Airlines
Tue 10/77:00 amSFO - AUS
Nonstop3h 31mMultiple Airlines
Deal found 9/13$171

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Austin to San Francisco that are best for you.

Fly from

Austin

Fly to

San Francisco

Route

Depart

Return

Price

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 11/6

6:00 am-8:02 am

Nonstop4h 02m

San Francisco

Mon 11/10

6:25 pm-11:55 pm

Nonstop3h 30m

$195

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Sat 10/25

6:00 am-7:53 am

Nonstop3h 53m

San Francisco

Fri 10/31

5:22 pm-10:59 pm

Nonstop3h 37m

$197

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Fri 10/10

6:00 am-7:50 am

Nonstop3h 50m

San Francisco

Tue 10/14

7:15 am-12:48 pm

Nonstop3h 33m

$197

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Tue 10/7

3:20 pm-5:11 pm

Nonstop3h 51m

San Francisco

Sun 10/12

7:15 am-12:48 pm

Nonstop3h 33m

$197

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Tue 10/7

9:03 am-10:54 am

Nonstop3h 51m

San Francisco

Tue 10/7

11:20 pm-8:30 am

1 stop7h 10m

$197

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Thu 10/16

3:20 pm-5:11 pm

Nonstop3h 51m

San Francisco

Wed 10/22

1:05 pm-6:41 pm

Nonstop3h 36m

$197

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Tue 10/14

8:15 am-4:21 pm

1 stop10h 06m

San Francisco

Fri 10/24

7:01 pm-12:45 am

Nonstop3h 44m

$207

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Fri 10/17

6:00 am-7:53 am

Nonstop3h 53m

San Francisco

Sun 10/19

7:00 am-12:31 pm

Nonstop3h 31m

$217

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Fri 10/31

8:30 am-10:29 am

Nonstop3h 59m

San Francisco

Mon 11/3

7:00 am-12:35 pm

Nonstop3h 35m

$217

AustinSan Francisco

AUS - SFO

AUSSFO

Austin Bergstrom

Wed 10/22

6:00 am-7:53 am

Nonstop3h 53m

San Francisco

Sun 10/26

7:00 am-12:35 pm

Nonstop3h 35m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
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The best insider tips for Austin to San Francisco 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 Austin to San Francisco trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort without breaking the bank.


United's MileagePlus allows pooling miles, great for family travel flexibility.

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.


Alaska Airlines' Wi-Fi is a flat fee, perfect for staying productive during flights.

Airports
AUS

Expect long lines at AUS, especially during early morning rush hours. Arrive early to navigate the busy terminals efficiently.

Read more about AUSby Ramsey Qubein
SFO

Use BART for a cost-effective trip from SFO to downtown San Francisco. The journey takes about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and 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
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Austin to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Austin 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 Austin to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to San Francisco. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Austin to San Francisco, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Austin to San Francisco (average of $276). Flying from Austin to San Francisco in June is currently the most expensive (average of $357). 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 AUS to SFO?

Find hourly flight availability from Austin 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 September 15, 2025.

When flying from Austin to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 61% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Austin to San Francisco. Price data was last updated on September 7, 2025.

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

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 September 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Austin to San Francisco 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.

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
8.0
Very good

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Comfort

7.8

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from Austin to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Austin to San Francisco?

    You will need to book a flight from Austin Bergstrom to San Francisco if you want to fly from Austin to San Francisco. At least 7 different airlines have flights from Austin Bergstrom (AUS) to San Francisco (SFO) on a regular basis. There are 29 flights to San Francisco from the Austin airport per day. If you manage to book one that is nonstop, then you can expect the flight time from AUS to SFO to be around 3h 42m.

  • How popular is this Austin to San Francisco flight route?

  • How long is the flight from Austin to San Francisco?

    For as low as $197, United Airlines can have you in San Francisco from Austin in 3h 53m. The distance from Austin to San Francisco is about 1500 mi. All flights are typically nonstop.

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

    Currently priced at $106, Southwest will fly you from Austin to San Francisco and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Frontier - these airlines can fly you to your destination from $108 and $112, respectively. Southwest is currently priced 69% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Southwest and Hawaiian Airlines, as they are both options that can get you from Austin to San Francisco for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Austin to San Francisco consider choosing Japan Airlines (100%), Air China (100%) or ANA (93%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Austin Bergstrom - San Francisco) can be booked for $114 on average, our data indicates $1,019 when flying from Austin to San Francisco.

  • Where are the most common layover locations when flying from Austin to San Francisco?

  • What are some popular things to do or see while on a layover in Phoenix?

    If you're on a layover in Phoenix and looking for things to do, consider visiting Chase Field, Desert Ridge Marketplace, or Heritage Square. Chase Field, Desert Ridge Marketplace, and Heritage Square are located about 4.0 mi, 16.7 mi, and 4.0 mi, respectively from Phoenix Sky Harbor Intl. Travelers in need of a car in Phoenix can rent one for about $53 per day.

  • What are some popular points of interest to see during a layover in Denver?

    Denver travelers tend to visit Coors Field, 16th Street Mall, and Paramount Theatre more than any other notable places. Coors Field, 16th Street Mall, and Paramount Theatre can be visited by traveling about 18.4 mi, 18.7 mi, and 18.6 mi respectively from Denver Intl. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $56 per day.

  • Where are the least popular layover locations for Austin to San Francisco flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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.

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

    Currently, January is the cheapest month in which you can book a flight from Austin to San Francisco (average of $276). Flying from Austin to San Francisco in June is currently the most expensive (average of $357). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Austin to San Francisco

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

Top 7 airlines flying from Austin to San Francisco

Discover the top 7 airlines that operate flights from Austin 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$106Average$282FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$108Average$286FlexibilityNo cancel feeOn-time85%
FrontierCheapest$112Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$160Average$334FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$396FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$198Average$344FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$224Average$401FlexibilityNo cancel feeOn-time69%

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