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$376+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SFO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to San Francisco are usually found in April or September, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 September 15, 2025.

Round-trip from

$893
(Mytrip)

One-way from

$376
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$1,075
From Buenos Aires (BUE) to San Francisco
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One-way flight from Buenos Aires (BUE) to San Francisco
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Highest demand for flights based on searches. 15% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Copa Airlines 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/210:01 amEZE - SFO
1 stop18h 16mCopa Airlines
Thu 11/612:36 amSFO - EZE
1 stop22h 34mCopa Airlines
Deal found 9/15$795
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:43 pmEZE - SFO
2 stops24h 46mMultiple Airlines
Fri 11/79:29 amSFO - EZE
2 stops28h 14mMultiple Airlines
Deal found 9/15$845
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:45 pmEZE - SFO
3 stops45h 43mAir Canada
Fri 11/76:53 pmSFO - EZE
3 stops63h 17mAir Canada
Deal found 9/15$881
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:55 amAEP - SFO
3 stops30h 05mMultiple Airlines
Tue 11/41:35 amSFO - AEP
3 stops24h 05mMultiple Airlines
Deal found 9/14$893
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:35 pmEZE - SFO
2 stops22h 36mAir Canada
Fri 10/311:45 pmSFO - EZE
3 stops58h 45mAir Canada
Deal found 9/15$928
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:15 pmEZE - SFO
1 stop27h 17mAmerican Airlines
Wed 10/296:00 amSFO - EZE
1 stop22h 20mAmerican Airlines
Deal found 9/15$939
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmEZE - SFO
1 stop26h 18mAmerican Airlines
Wed 11/56:00 amSFO - EZE
1 stop21h 10mAmerican Airlines
Deal found 9/13$941
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:55 amAEP - SFO
2 stops30h 35mMultiple Airlines
Tue 11/47:30 amSFO - AEP
3 stops28h 50mMultiple Airlines
Deal found 9/13$942
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/224:35 pmEZE - SFO
3 stops26h 53mAir Canada
Wed 11/56:53 pmSFO - EZE
3 stops39h 17mAir Canada
Deal found 9/14$943
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:05 amAEP - SFO
3 stops26h 45mMultiple Airlines
Thu 11/61:35 amSFO - AEP
3 stops24h 05mMultiple Airlines
Deal found 9/15$943
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:45 pmEZE - SFO
2 stops24h 45mAir Canada
Wed 11/56:53 pmSFO - EZE
3 stops39h 17mAir Canada
Deal found 9/14$945
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:20 pmAEP - SFO
3 stops32h 25mMultiple Airlines
Wed 10/2212:05 amSFO - AEP
3 stops29h 15mMultiple Airlines
Deal found 9/14$982

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 September 15, 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

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Wed 10/29

10:30 pm-1:11 pm

1 stop18h 41m

San Francisco

Wed 11/5

10:24 am-8:10 am

1 stop16h 46m

$942

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Tue 10/28

10:55 am-1:30 pm

2 stops30h 35m

San Francisco

Tue 11/4

8:25 am-5:20 pm

2 stops27h 55m

$942

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Fri 10/31

12:05 am-10:50 pm

3 stops26h 45m

San Francisco

Thu 11/6

1:35 am-6:40 am

3 stops24h 05m

$943

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Wed 10/29

10:55 am-1:00 pm

3 stops30h 05m

San Francisco

Wed 11/5

1:20 pm-4:20 am

3 stops34h 00m

$956

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Mon 10/13

6:20 pm-10:45 pm

3 stops32h 25m

San Francisco

Wed 10/22

12:05 am-9:20 am

3 stops29h 15m

$982

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Wed 10/15

9:00 pm-12:19 pm

1 stop19h 19m

San Francisco

Thu 11/13

7:10 pm-7:20 am

1 stop31h 10m

$985

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Mon 10/6

8:10 pm-6:56 pm

1 stop26h 46m

San Francisco

Mon 10/13

6:10 am-9:45 am

1 stop23h 35m

$987

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Mon 10/6

8:10 pm-5:52 pm

1 stop25h 42m

San Francisco

Tue 10/14

1:45 pm-1:55 pm

2 stops20h 10m

$987

Buenos AiresSan Francisco

EZE - SFO

EZESFO

Buenos Aires Ministro Pistarini

Tue 10/7

8:10 pm-11:45 am

1 stop19h 35m

San Francisco

Tue 10/14

1:45 pm-1:55 pm

2 stops20h 10m

$987

Buenos AiresSan Francisco

AEP - SFO

AEPSFO

Buenos Aires Jorge Newbery

Wed 10/22

5:05 pm-2:33 pm

2 stops25h 28m

San Francisco

Wed 11/5

9:35 am-4:00 pm

2 stops25h 25m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 36 results
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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 September 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 74 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, January is the cheapest month in which you can book a flight from Buenos Aires to San Francisco (average of $276). Flying from Buenos Aires 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 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 September 15, 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 at noon, which can drop the price by up to 12% versus a flight in the evening.

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 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
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
1,531 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
6.7
Okay
2,435 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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?

    American Airlines, United Airlines, and Delta can get you from Buenos Aires to San Francisco in just under 18h 41m. Your travel time can differ by up to 8h 05m. 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 United Airlines and Copa Airlines, starting at $763 and $787 round-trip. You may be able to fly from Buenos Aires to San Francisco for 42% less than the average price by searching for these airlines.

  • 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, January is the cheapest month in which you can book a flight from Buenos Aires to San Francisco (average of $276). Flying from Buenos Aires 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 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$731Average$836FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$763Average$1,305FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$787Average$1,153FlexibilityNo cancel feeOn-time70%
DeltaCheapest$984Average$1,294FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,023Average$1,249FlexibilityNo cancel feeOn-time71%

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