Cheap Flights from San Francisco (SFO) to Buenos Aires (BAI)

Popular airlines from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)

Flights from San Francisco (SFO) to Buenos Aires (BAI)
Origin airport
San Francisco Intl.
Destination airport
Buenos Aires
Distance
3123 mi

San Francisco to Buenos Aires Flights

The cheapest times to fly from San Francisco to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Buenos Aires are during the month of . You can find some of the cheapest flights from San Francisco to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Buenos Aires

Sunday is one of the best days to book for cheap flights from San Francisco to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI) cost?
Get a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)?
is the least expensive month to fly from SFO to BAI. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SFO to BAI. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)?
You'll have to catch a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SFO to BAI?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to Buenos Aires (BAI) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI) last-minute?
Booking your flight from SFO to BAI just before your journey is typically more expensive. But if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SFO to BAI flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to BAI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Buenos Aires (BAI)?
Generally, it's possible to cancel or reschedule your SFO to BAI flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.