What is the cheapest airline that flies from San Francisco to Buenos Aires?

Avianca is the most popular carrier operating from San Francisco to Buenos Aires

Which layover airport offers the lowest fares from San Francisco to Buenos Aires?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $1,025.

Which layover airport has the shortest travel time from San Francisco to Buenos Aires?

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 15h 57m.

Which layover airport has the shortest connection time from San Francisco to Buenos Aires?

Miami (MIA) has the shortest average layover time for this route: 1h 43m.

Which airport is the most popular layover for flights between San Francisco and Buenos Aires?

Houston (IAH) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Buenos Aires?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Buenos Aires from San Francisco according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Francisco Airport to Buenos Aires?

Prices for flights from San Francisco Airport to Buenos Aires are updated daily.

How many operators does momondo search for flights from San Francisco Airport to Buenos Aires?

As of April 2026, there are 7 operators available to choose from for flights from San Francisco Airport to Buenos Aires.

How old do you have to be to fly from San Francisco Airport to Buenos Aires?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$366 Cheap Flights from San Francisco to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between San Francisco and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from $1,694 to $1,175. The lowest price recently found on this route was $969.

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Find the cheapest flights from San Francisco to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:15 pm - 6:30 pm

SFO

AEP

24h 15m

2 stops

5:45 am - 12:50 pm

AEP

SFO

35h 05m

3 stops

$969Multiple Airlines

Tue, May 5 - Tue, May 12

11:55 pm - 4:20 am

SFO

AEP

24h 25m

3 stops

5:45 am - 12:50 pm

AEP

SFO

35h 05m

3 stops

$972Multiple Airlines

Thu, May 7 - Tue, May 12

7:45 am - 4:00 pm

SFO

AEP

28h 15m

3 stops

7:00 am - 10:35 pm

AEP

SFO

19h 35m

2 stops

$976Multiple Airlines

Mon, Aug 31 - Thu, Sep 17

11:55 pm - 2:45 am

SFO

EZE

22h 50m

3 stops

4:50 pm - 12:50 pm

EZE

SFO

24h 00m

2 stops

$977Multiple Airlines

Wed, May 6 - Wed, May 13

2:15 pm - 4:00 pm

SFO

AEP

21h 45m

2 stops

7:00 am - 10:35 pm

AEP

SFO

19h 35m

2 stops

$977Multiple Airlines

Tue, May 19 - Tue, May 26

2:15 pm - 12:25 am

SFO

EZE

30h 10m

3 stops

2:30 am - 10:35 pm

EZE

SFO

24h 05m

2 stops

$978Avianca

Sun, May 3 - Sat, May 9

2:15 pm - 2:45 am

SFO

EZE

32h 30m

3 stops

7:10 am - 11:55 pm

EZE

SFO

20h 45m

2 stops

$979Multiple Airlines

Tue, Apr 21 - Tue, May 5

2:15 pm - 5:40 am

SFO

EZE

35h 25m

3 stops

4:50 pm - 12:50 pm

EZE

SFO

24h 00m

2 stops

$980Avianca

Tue, May 12 - Fri, May 22

2:15 pm - 5:40 am

SFO

EZE

35h 25m

3 stops

4:50 pm - 12:50 pm

EZE

SFO

24h 00m

2 stops

$981Avianca

Sun, May 3 - Sun, May 10

8:10 am - 2:30 pm

SFO

EZE

26h 20m

2 stops

4:35 pm - 8:47 pm

EZE

SFO

32h 12m

2 stops

$982Air Canada

Sun, Sep 6 - Thu, Sep 24

Avianca flights from San Francisco to Buenos Aires

Our best Avianca deals on San Francisco to Buenos Aires flight tickets

Avianca

May 3

SFO2:15 pmSan Francisco

30h 10m

3 stops

EZE12:25 amBuenos Aires Ministro Pistarini

May 9

EZE2:30 amBuenos Aires Ministro Pistarini

24h 05m

2 stops

SFO10:35 pmSan Francisco

$978

Avianca

May 12

SFO2:15 pmSan Francisco

35h 25m

3 stops

EZE5:40 amBuenos Aires Ministro Pistarini

May 26

EZE7:10 amBuenos Aires Ministro Pistarini

19h 25m

2 stops

SFO10:35 pmSan Francisco

$980

Avianca

May 3

SFO2:15 pmSan Francisco

35h 25m

3 stops

EZE5:40 amBuenos Aires Ministro Pistarini

May 10

EZE4:50 pmBuenos Aires Ministro Pistarini

24h 00m

2 stops

SFO12:50 pmSan Francisco

$981

Copa Airlines flights from San Francisco to Buenos Aires

Our best Copa Airlines deals on San Francisco to Buenos Aires flight tickets

Copa Airlines

Apr 19

SFO1:23 amSan Francisco

19h 27m

1 stop

EZE12:50 amBuenos Aires Ministro Pistarini

May 5

EZE2:49 pmBuenos Aires Ministro Pistarini

31h 25m

1 stop

SFO6:14 pmSan Francisco

$1,016

Copa Airlines

Apr 12

SFO1:23 amSan Francisco

17h 02m

1 stop

EZE10:25 pmBuenos Aires Ministro Pistarini

Apr 28

EZE9:11 amBuenos Aires Ministro Pistarini

37h 14m

1 stop

SFO6:25 pmSan Francisco

$1,101

Copa Airlines

Apr 11

SFO1:23 amSan Francisco

19h 27m

1 stop

EZE12:50 amBuenos Aires Ministro Pistarini

Apr 30

EZE5:34 amBuenos Aires Ministro Pistarini

22h 06m

1 stop

SFO11:40 pmSan Francisco

$1,128

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Tue 5/5

2:15 pm-6:30 pm

2 stops24h 15m

Buenos Aires Jorge Newbery

Tue 5/12

5:45 am-12:50 pm

3 stops35h 05m

$969

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 5/7

11:55 pm-4:20 am

3 stops24h 25m

Buenos Aires Jorge Newbery

Tue 5/12

5:45 am-12:50 pm

3 stops35h 05m

$972

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 8/31

7:45 am-4:00 pm

3 stops28h 15m

Buenos Aires Jorge Newbery

Thu 9/17

7:00 am-10:35 pm

2 stops19h 35m

$976

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 5/6

11:55 pm-2:45 am

3 stops22h 50m

Buenos Aires Ministro Pistarini

Wed 5/13

4:50 pm-12:50 pm

2 stops24h 00m

$977

Quickest round-trip

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Tue 5/19

2:15 pm-4:00 pm

2 stops21h 45m

Buenos Aires Jorge Newbery

Tue 5/26

7:00 am-10:35 pm

2 stops19h 35m

$977

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 5/3

2:15 pm-12:25 am

3 stops30h 10m

Buenos Aires Ministro Pistarini

Sat 5/9

2:30 am-10:35 pm

2 stops24h 05m

$978

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 4/21

2:15 pm-2:45 am

3 stops32h 30m

Buenos Aires Ministro Pistarini

Tue 5/5

7:10 am-11:55 pm

2 stops20h 45m

$979

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 5/12

2:15 pm-5:40 am

3 stops35h 25m

Buenos Aires Ministro Pistarini

Fri 5/22

4:50 pm-12:50 pm

2 stops24h 00m

$980

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 5/3

2:15 pm-5:40 am

3 stops35h 25m

Buenos Aires Ministro Pistarini

Sun 5/10

4:50 pm-12:50 pm

2 stops24h 00m

$981

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 9/6

8:10 am-2:30 pm

2 stops26h 20m

Buenos Aires Ministro Pistarini

Thu 9/24

4:35 pm-8:47 pm

2 stops32h 12m

$982

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between San Francisco and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from San Francisco is in May. Flight prices, which tend to average around $857, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from San Francisco during March instead. Flights to Buenos Aires in March, while not as cheap as those in May, still average around $1,079.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,211 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from San Francisco for as low as $1,109 on momondo.

Can stopping save me money on San Francisco to Buenos Aires flights?

You could potentially save up to 5% on your flight if you consider stops on a San Francisco to Buenos Aires flight.

How have San Francisco to Buenos Aires flight prices changed over time?

As of April 2026, prices for San Francisco to Buenos Aires flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Buenos Aires (SFO to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Buenos Aires

Fastest flight time	19h 05m
Direct flights	None

The fastest flight from San Francisco to Buenos Aires takes 19h 05m

There are no direct flights from San Francisco to Buenos Aires. There are no popular flight routes from San Francisco to Buenos Aires.

Search flight deals

Frequently asked questions about flying from San Francisco to Buenos Aires

How far is San Francisco to Buenos Aires by plane?
A flight from San Francisco to Buenos Aires will travel around 6463.8 mi. Typically, this will take 19h 05m by plane in normal conditions.
When did momondo last update prices for flights from San Francisco Airport to Buenos Aires?
Prices for flights from San Francisco Airport to Buenos Aires are updated daily.
How many operators does momondo search for flights from San Francisco Airport to Buenos Aires?
As of April 2026, there are 7 operators available to choose from for flights from San Francisco Airport to Buenos Aires.
How old do you have to be to fly from San Francisco Airport to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from San Francisco to Buenos Aires?
Based on momondo bookings for flights between San Francisco and Buenos Aires, the leading airline is United Airlines, making up 27% of the total bookings. Other popular airlines include American Airlines with 20%, Copa Airlines with 16%, and LATAM Airlines with 12%.

Best airlines flying from San Francisco to Buenos Aires

Compare and see reviews for airlines that fly from San Francisco to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $654	Free Cancellation	Rating 6.5 2,501 reviews	Search Avianca flights
Delta	PriceFrom $875	Free Cancellation	Rating 7.9 8,389 reviews	Search Delta flights
LATAM Airlines	PriceFrom $893	Free Cancellation	Rating 7.4 1,909 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom $897	Free Cancellation	Rating 7.5 1,575 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $969	Free Cancellation	Rating 7.4 9,551 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,039	Free Cancellation	Rating 7.1 11,549 reviews	Search American Airlines flights
Aeromexico	PriceFrom $1,075	Free Cancellation	Rating 7.4 1,549 reviews	Search Aeromexico flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Buenos Aires with flexible booking policies on momondo?

All flight searches from San Francisco to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Francisco to Buenos Aires right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Buenos Aires from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Complete your trip

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from San Francisco to Buenos Aires from $366

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Buenos Aires departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Avianca flights from San Francisco to Buenos Aires

Our best Avianca deals on San Francisco to Buenos Aires flight tickets

Copa Airlines flights from San Francisco to Buenos Aires

Our best Copa Airlines deals on San Francisco to Buenos Aires flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from San Francisco to Buenos Aires

What is the typical price of a round-trip flight between San Francisco and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight to Buenos Aires?

Can stopping save me money on San Francisco to Buenos Aires flights?

How have San Francisco to Buenos Aires flight prices changed over time?

What is the cheapest airline that flies from San Francisco to Buenos Aires?

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between San Francisco and Buenos Aires?

Which layover airport offers the lowest fares from San Francisco to Buenos Aires?

Which layover airport has the shortest travel time from San Francisco to Buenos Aires?

Which layover airport has the shortest connection time from San Francisco to Buenos Aires?

When to book flights from San Francisco to Buenos Aires

Cheap San Francisco to Buenos Aires (SFO to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Buenos Aires

Fastest flight time

Direct flights

Frequently asked questions about flying from San Francisco to Buenos Aires

Best airlines flying from San Francisco to Buenos Aires

Compare and see reviews for airlines that fly from San Francisco to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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