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$382+ Cheap flights from Buenos Aires (BUE) to San Francisco (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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SFO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to San Francisco are usually found in April or October, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Buenos Aires to San Francisco

Cheapest flights from Buenos Aires to San Francisco
Explore the most affordable flight options available from Buenos Aires to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:30 pmEZE - SFO
1 stop17h 29mAmerican Airlines
Wed 2/48:00 amSFO - EZE
1 stop20h 10mAmerican Airlines
Deal found 12/16$946
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:55 pmEZE - SFO
1 stop25h 55mLATAM Airlines
Sun 1/188:55 amSFO - EZE
2 stops19h 20mLATAM Airlines
Deal found 12/16$980
This Copa Airlines deal was found by Cheapflights users on 12/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:03 amEZE - SFO
1 stop19h 14mCopa Airlines
Tue 12/3012:36 amSFO - EZE
1 stop20h 22mCopa Airlines
Deal found 12/17$988
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:55 pmEZE - SFO
1 stop17h 56mDelta
Thu 1/112:11 pmSFO - EZE
1 stop15h 49mDelta
Deal found 12/17$991
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:30 pmEZE - SFO
2 stops22h 28mAmerican Airlines
Thu 1/19:15 amSFO - EZE
2 stops18h 15mAmerican Airlines
Deal found 12/17$1,000
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:55 pmEZE - SFO
1 stop18h 48mLATAM Airlines
Sun 12/288:00 amSFO - EZE
2 stops20h 35mLATAM Airlines
Deal found 12/16$1,005
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amAEP - SFO
2 stops19h 50mAvianca
Tue 12/301:35 amSFO - AEP
2 stops23h 05mAvianca
Deal found 12/17$1,021
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:20 amAEP - SFO
2 stops21h 57mMultiple Airlines
Wed 12/311:20 pmSFO - AEP
3 stops25h 20mMultiple Airlines
Deal found 12/17$1,066
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Wed 12/172:15 amEZE - SFO
3 stops24h 35mMultiple Airlines
Tue 12/3012:36 amSFO - EZE
2 stops27h 39mMultiple Airlines
Deal found 12/17$1,100
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:40 pmAEP - SFO
2 stops24h 51mLATAM Airlines
Sun 1/188:55 amSFO - AEP
2 stops20h 35mLATAM Airlines
Deal found 12/16$1,123
This Flighttix deal was found by Cheapflights users on 12/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:30 pmEZE - SFO
2 stops22h 43mIberia
Wed 12/3110:23 amSFO - EZE
2 stops19h 17mIberia
Deal found 12/16$1,161
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:55 pmEZE - SFO
1 stop24h 04mUnited Airlines
Fri 1/95:00 amSFO - EZE
1 stop21h 20mUnited Airlines
Deal found 12/17$1,182

Find flight deals from Buenos Aires to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$821
(Priceline)

One-way from

$382
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$1,167
Provider with most accurate pricing for Buenos Aires (BUE)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-San Francisco flights.
Search Deals
From Buenos Aires (BUE) to San Francisco
Search Deals
One-way flight from Buenos Aires (BUE) to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires 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 December 18, 2025.
Use the filters below to find and compare flights from Buenos Aires to San Francisco that are best for you.

Fly from

Buenos Aires

Fly to

San Francisco

Route

Depart

Return

Price

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Fri 3/20

7:00 am-10:50 pm

2 stops19h 50m

San Francisco

Sun 3/22

12:10 am-5:40 am

2 stops25h 30m

$847

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Wed 3/25

4:45 pm-9:22 pm

2 stops32h 37m

San Francisco

Sun 4/5

8:10 am-2:30 pm

3 stops26h 20m

$881

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Wed 2/25

12:10 am-11:20 pm

3 stops28h 10m

San Francisco

Thu 3/5

1:35 am-10:00 am

3 stops27h 25m

$920

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Mon 3/23

4:45 pm-9:22 pm

3 stops56h 37m

San Francisco

Mon 4/13

6:25 pm-2:30 pm

3 stops40h 05m

$938

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Mon 3/23

9:50 pm-3:45 pm

2 stops21h 55m

San Francisco

Mon 4/13

7:05 am-5:50 am

2 stops18h 45m

$950

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Sun 5/3

5:10 pm-10:45 pm

3 stops33h 35m

San Francisco

Sat 5/9

2:30 am-2:00 pm

3 stops31h 30m

$979

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Mon 3/23

11:55 pm-8:23 pm

1 stop24h 28m

San Francisco

Fri 4/24

1:45 pm-9:45 am

1 stop16h 00m

$991

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Mon 3/23

7:00 am-10:50 pm

2 stops19h 50m

San Francisco

Thu 4/23

12:05 am-5:40 am

2 stops25h 35m

$993

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Sun 2/1

11:55 pm-12:20 pm

1 stop17h 25m

San Francisco

Sun 2/8

7:18 am-9:20 am

1 stop21h 02m

$1,000

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Mon 6/1

5:05 pm-3:17 pm

2 stops26h 12m

San Francisco

Sat 6/6

1:45 pm-4:00 pm

2 stops22h 15m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 37 results
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Compare providers for flights from Buenos Aires to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to San Francisco in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

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

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

To ensure you get the cheapest price possible for a flight from Buenos Aires to San Francisco, you should look to book at least 29 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 Buenos Aires to San Francisco?

Currently, October is the cheapest month in which you can book a flight from Buenos Aires to San Francisco (average of $748). Flying from Buenos Aires to San Francisco in April is currently the most expensive (average of $1,162). 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 BUE to SFO?

Find hourly flight availability from Buenos Aires 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 December 18, 2025.

When flying from Buenos Aires to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 27% versus a flight at noon.

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

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 December 18, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United Airlines from Buenos Aires 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.
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avianca
6.6
Okay
2,490 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires 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 airport do you fly into for flights to San Francisco from Buenos Aires?

    For a flight from Buenos Aires to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from Buenos Aires per day. 5 airlines have flights to San Francisco from Buenos Aires on a regular basis.

  • How long is the flight from Buenos Aires to San Francisco?

    Avianca, Air Canada, and LATAM Airlines can get you from Buenos Aires to San Francisco in just under 19h 20m. Your travel time can differ by up to 13h 17m. The distance between Buenos Aires and San Francisco is about 6459 mi. 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 Buenos Aires to San Francisco round-trip?

    Our cheapest airline available from Buenos Aires to San Francisco is Avianca. Our recent data shows that you can find tickets from as low as $731 on this airline. Additional options worth looking into are Copa Airlines and United Airlines, starting at $751 and $763 round-trip. You may be able to fly from Buenos Aires to San Francisco for 40% less than the average price by searching for these airlines.

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

    $408 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Copa Airlines and American Airlines, with prices starting from $603 and $658, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires 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 Buenos Aires to San Francisco?

    Currently, October is the cheapest month in which you can book a flight from Buenos Aires to San Francisco (average of $748). Flying from Buenos Aires to San Francisco in April is currently the most expensive (average of $1,162). 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
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Alternative routes for Buenos Aires to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Buenos Aires to San Francisco

Discover the top 5 airlines that operate flights from Buenos Aires 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$731Average$824FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$763Average$1,225FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$919Average$1,215FlexibilityNo cancel feeOn-time71%
DeltaCheapest$984Average$1,237FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$1,008Average$1,153FlexibilityNo cancel feeOn-time70%

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