Buenos Aires

$371+ Cheap flights from San Francisco (SFO) to Buenos Aires (BUE)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BUE
Apr 20 — Apr 271
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Cheapflights Tip: The best prices from San Francisco to Buenos Aires are usually found in October or September, booked 3 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Buenos Aires (BUE). 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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,021
(SmartFares)

One-way from

$371
(Flightnetwork)

Popular in

December

Cheapest in

October

Average price

$1,315
Provider with most accurate pricing for San Francisco-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Buenos Aires (BUE) flights.
From San Francisco to Buenos Aires (BUE)
One-way flight from San Francisco to Buenos Aires (BUE)
Highest demand for flights based on searches. 4% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from San Francisco to Buenos Aires

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

This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/152:30 amSFO - EZE
2 stops17h 40mAvianca
Fri 4/185:30 amEZE - SFO
2 stops45h 15mAvianca
Deal found 4/13$1,021
This SmartFares deal was found by Cheapflights users on 4/14. 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.
Mon 4/2811:40 amSFO - AEP
2 stops22h 20mLATAM Airlines
Sun 5/48:10 pmAEP - SFO
2 stops42h 15mLATAM Airlines
Deal found 4/14$1,021
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:00 amSFO - EZE
1 stop19h 45mDelta
Wed 11/1910:25 pmEZE - SFO
1 stop29h 55mDelta
Deal found 4/14$1,025
This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:37 amSFO - EZE
1 stop19h 14mCopa Airlines
Wed 6/255:03 amEZE - SFO
1 stop22h 37mCopa Airlines
Deal found 4/14$1,027
This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/142:30 amSFO - AEP
2 stops23h 10mAvianca
Mon 6/237:00 amAEP - SFO
2 stops19h 45mAvianca
Deal found 4/14$1,034
This United deal was found by Cheapflights users on 4/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:32 amSFO - EZE
1 stop27h 48mUnited Airlines
Mon 11/1711:55 pmEZE - SFO
1 stop17h 10mUnited Airlines
Deal found 4/15$1,038
This LATAM Airlines deal was found by Cheapflights users on 4/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/199:35 amSFO - EZE
2 stops28h 37mLATAM Airlines
Thu 6/2612:58 pmEZE - SFO
2 stops26h 42mLATAM Airlines
Deal found 4/14$1,047
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/96:15 amSFO - EZE
2 stops21h 10mAmerican Airlines
Wed 6/259:15 pmEZE - SFO
1 stop27h 15mAmerican Airlines
Deal found 4/14$1,102
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Mon 5/127:40 pmSFO - EZE
3 stops38h 50mAir Canada
Mon 5/194:35 pmEZE - SFO
2 stops24h 37mAir Canada
Deal found 4/14$1,108
This Aeromexico deal was found by Cheapflights users on 4/14. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:41 pmSFO - EZE
2 stops28h 44mAeromexico
Mon 7/711:25 pmEZE - SFO
2 stops39h 05mAeromexico
Deal found 4/14$1,119
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Tue 5/132:30 amSFO - AEP
3 stops28h 30mMultiple Airlines
Wed 5/213:05 pmAEP - SFO
2 stops33h 05mMultiple Airlines
Deal found 4/14$1,176
This Priceline deal was found by Cheapflights users on 4/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:05 amSFO - EZE
3 stops21h 20mMultiple Airlines
Sat 4/194:35 pmEZE - SFO
3 stops57h 10mMultiple Airlines
Deal found 4/13$1,225

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Buenos Aires 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 April 15, 2025.
Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

Fly from

San Francisco

Fly to

Buenos Aires

Route

Depart

Return

Price

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 4/28

11:40 am-2:00 pm

2 stops22h 20m

Buenos Aires Jorge Newbery

Sun 5/4

8:10 pm-10:25 am

2 stops42h 15m

$1,021

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 9/23

6:00 am-5:55 am

2 stops19h 55m

Buenos Aires Ministro Pistarini

Tue 9/30

8:10 pm-5:36 pm

1 stop25h 26m

$1,025

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 6/8

1:37 am-12:51 am

1 stop19h 14m

Buenos Aires Ministro Pistarini

Wed 6/25

5:03 am-11:40 pm

1 stop22h 37m

$1,027

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 6/30

12:05 am-1:25 am

3 stops21h 20m

Buenos Aires Ministro Pistarini

Wed 7/9

6:40 am-10:45 pm

3 stops20h 05m

$1,034

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 6/14

2:30 am-5:40 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Mon 6/23

7:00 am-10:45 pm

2 stops19h 45m

$1,034

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 6/17

5:15 am-8:00 am

1 stop22h 45m

Buenos Aires Ministro Pistarini

Thu 6/26

9:00 pm-11:09 pm

1 stop30h 09m

$1,038

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 6/19

9:35 am-6:12 pm

2 stops28h 37m

Buenos Aires Ministro Pistarini

Thu 6/26

12:58 pm-11:40 am

2 stops26h 42m

$1,047

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 6/9

6:15 am-7:25 am

2 stops21h 10m

Buenos Aires Ministro Pistarini

Wed 6/25

9:15 pm-8:30 pm

1 stop27h 15m

$1,102

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 5/12

7:40 pm-2:30 pm

3 stops38h 50m

Buenos Aires Ministro Pistarini

Mon 5/19

4:35 pm-1:12 pm

2 stops24h 37m

$1,108

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 6/19

12:41 pm-9:25 pm

2 stops28h 44m

Buenos Aires Ministro Pistarini

Wed 7/9

11:25 pm-10:30 am

2 stops39h 05m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 28 results
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Compare providers for flights from San Francisco to Buenos Aires

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 San Francisco to Buenos Aires in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Buenos Aires. Price data was last updated on April 11, 2025.

Booking 3 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $795). Flying from San Francisco to Buenos Aires in December is currently the most expensive (average of $1,260). 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 BUE?

Find hourly flight availability from San Francisco to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

It’s optimal to fly from San Francisco to Buenos Aires in the afternoon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Francisco to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Buenos Aires. Price data was last updated on October 6, 2024.

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

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated April 15, 2025.
To help decide which airline to fly from San Francisco to Buenos Aires, see what other customers have to say about Delta, Copa Airlines and LATAM Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Buenos Aires. 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 Buenos Aires?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Buenos Aires from San Francisco. Booking flights from San Francisco (SFO) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 7 different airlines.

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

    Flying on LATAM Airlines is currently your cheapest option to Buenos Aires, with prices starting at $1,021. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Avianca, with the lowest prices starting at $1,027 and $1,034, respectively. LATAM Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from San Francisco to Buenos Aires are Avianca ($371), LATAM Airlines ($562), and Air Canada ($633).

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

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

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

    Houston travelers tend to visit Space Center Houston, House of Blues Houston, and Houston Zoo more than anywhere else. Space Center Houston, House of Blues Houston, and Houston Zoo are located about 33.5 mi, 16.1 mi, and 18.9 mi, respectively from Houston George Bush Intcntl. Travelers can book a car rental at Houston George Bush Intcntl for about $40 per day to make their sightseeing more efficient.

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

    The majority of Panama City visitors spend their time at Panama Old Cathedral, Amador Causeway, and Panama Canal. Panama Old Cathedral, Amador Causeway, and Panama Canal are located about 13.2 mi, 14.7 mi, and 15.1 mi, respectively from Panama City Tocumen Intl. Those on a layover in Panama City in need of a rental car can book one at Panama City Tocumen Intl for about $14.

  • What are points of interest worth seeing during a layover in Dallas?

    American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium are the most popular attractions in Dallas if you're in need of something to do during your layover. Those on a layover in Dallas interested in visiting American Airlines Center, Dos Equis Pavilion, or Dallas World Aquarium can do so by traveling 15.0 mi, 18.3 mi, and 15.5 mi, respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $59.

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

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Buenos Aires (average of $795). Flying from San Francisco to Buenos Aires in December is currently the most expensive (average of $1,260). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Buenos Aires

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

Top 7 airlines flying from San Francisco to Buenos Aires

Discover the top 7 airlines that operate flights from San Francisco to Buenos Aires. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$658Average$1,009FlexibilityNo cancel feeOn-time81%
AviancaCheapest$754Average$987FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$992Average$1,221FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,018Average$1,351FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$1,023Average$1,221FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,041Average$1,410FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,093Average$1,548FlexibilityNo cancel feeOn-timeN/A

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