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Cheap flights from San Francisco to Buenos Aires from $285

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 1/8. 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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Find the cheapest flights from San Francisco to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
12:10 am - 12:35 am
SFO
-
EZE
20h 25m2 stops
Avianca Logo
7:30 am - 11:55 pm
EZE
-
SFO
20h 25m2 stops
$918Avianca
Mon, Mar 16 - Sat, Mar 28
Avianca Logo
1:35 am - 5:50 am
SFO
-
EZE
23h 15m2 stops
Avianca Logo
4:55 pm - 1:00 pm
EZE
-
SFO
24h 05m3 stops
$927Avianca
Sat, Mar 7 - Sat, Mar 14
American Airlines Logo
11:55 am - 8:25 am
SFO
-
EZE
15h 30m1 stop
American Airlines Logo
11:59 pm - 3:05 pm
EZE
-
SFO
20h 06m2 stops
$930American Airlines
Thu, Jan 15 - Wed, Jan 28
Avianca Logo
11:10 pm - 5:40 am
SFO
-
AEP
25h 30m2 stops
Avianca Logo
7:00 am - 11:40 pm
AEP
-
SFO
20h 40m2 stops
$931Avianca
Thu, Mar 5 - Tue, Mar 10
Delta Logo
6:00 am - 7:20 am
SFO
-
EZE
20h 20m1 stop
Delta Logo
8:00 am - 11:25 pm
EZE
-
SFO
20h 25m2 stops
$933Delta
Thu, Jan 15 - Wed, Jan 28
LATAM Airlines Logo
11:40 am - 9:00 am
SFO
-
EZE
16h 20m1 stop
LATAM Airlines Logo
10:25 pm - 4:05 pm
EZE
-
SFO
22h 40m1 stop
$940LATAM Airlines
Mon, Jan 26 - Tue, Feb 3
Delta Logo
6:00 am - 7:20 am
SFO
-
EZE
20h 20m1 stop
Delta Logo
11:55 pm - 6:39 pm
EZE
-
SFO
23h 44m2 stops
$944Delta
Thu, Jan 15 - Thu, Jan 29
LATAM Airlines Logo
6:00 am - 2:00 pm
SFO
-
AEP
28h 00m2 stops
LATAM Airlines Logo
9:05 pm - 11:16 pm
AEP
-
SFO
30h 11m3 stops
$946LATAM Airlines
Thu, Mar 26 - Tue, Apr 7
Multiple Airlines Logo
1:35 am - 5:00 pm
SFO
-
AEP
34h 25m3 stops
Multiple Airlines Logo
10:30 pm - 10:50 pm
AEP
-
SFO
28h 20m3 stops
$956Multiple Airlines
Sat, Mar 7 - Sun, Mar 15
Multiple Airlines Logo
2:20 pm - 11:20 pm
SFO
-
AEP
29h 00m3 stops
Multiple Airlines Logo
10:30 pm - 10:50 pm
AEP
-
SFO
28h 20m3 stops
$986Multiple Airlines
Thu, Mar 12 - Sun, Mar 15

United Airlines flights from San Francisco to Buenos Aires

Our best United Airlines deals on San Francisco to Buenos Aires flight tickets
United Airlines
Jan 16
SFO5:00 amSan Francisco
21h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Jan 29
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 55m
1 stop
SFO5:50 pmSan Francisco
$1,035
Find similar
United Airlines
Dec 29
SFO9:01 amSan Francisco
19h 19m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 9
EZE11:55 pmBuenos Aires Ministro Pistarini
26h 10m
1 stop
SFO9:05 pmSan Francisco
$1,376
Find similar
United Airlines
Dec 21
SFO5:15 amSan Francisco
23h 05m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 5
EZE11:55 pmBuenos Aires Ministro Pistarini
21h 55m
1 stop
SFO4:50 pmSan Francisco
$1,557
Find similar

Avianca flights from San Francisco to Buenos Aires

Our best Avianca deals on San Francisco to Buenos Aires flight tickets
Avianca
Mar 3
SFO1:20 pmSan Francisco
35h 30m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Mar 11
EZE4:55 pmBuenos Aires Ministro Pistarini
24h 05m
3 stops
SFO1:00 pmSan Francisco
$930
Find similar
Avianca
Mar 5
SFO11:10 pmSan Francisco
25h 30m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Mar 10
AEP7:00 amBuenos Aires Jorge Newbery
19h 50m
2 stops
SFO10:50 pmSan Francisco
$931
Find similar
Avianca
Jan 20
SFO11:10 pmSan Francisco
25h 40m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Feb 8
EZE4:55 pmBuenos Aires Ministro Pistarini
24h 05m
2 stops
SFO12:00 pmSan Francisco
$934
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 3/16

12:10 am-12:35 am

2 stops20h 25m

Buenos Aires Ministro Pistarini

Sat 3/28

7:30 am-11:55 pm

2 stops20h 25m

$918

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sat 3/7

1:35 am-5:50 am

2 stops23h 15m

Buenos Aires Ministro Pistarini

Sat 3/14

4:55 pm-1:00 pm

3 stops24h 05m

$927

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 1/15

11:55 am-8:25 am

1 stop15h 30m

Buenos Aires Ministro Pistarini

Wed 1/28

11:59 pm-3:05 pm

2 stops20h 06m

$930

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 3/5

11:10 pm-5:40 am

2 stops25h 30m

Buenos Aires Jorge Newbery

Tue 3/10

7:00 am-11:40 pm

2 stops20h 40m

$931

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 1/15

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Wed 1/28

8:00 am-11:25 pm

2 stops20h 25m

$933

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 1/26

11:40 am-9:00 am

1 stop16h 20m

Buenos Aires Ministro Pistarini

Tue 2/3

10:25 pm-4:05 pm

1 stop22h 40m

$940

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 1/15

6:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-6:39 pm

2 stops23h 44m

$944

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 3/26

6:00 am-2:00 pm

2 stops28h 00m

Buenos Aires Jorge Newbery

Tue 4/7

9:05 pm-11:16 pm

3 stops30h 11m

$946

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 3/7

1:35 am-5:00 pm

3 stops34h 25m

Buenos Aires Jorge Newbery

Sun 3/15

10:30 pm-10:50 pm

3 stops28h 20m

$956

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 3/12

2:20 pm-11:20 pm

3 stops29h 00m

Buenos Aires Jorge Newbery

Sun 3/15

10:30 pm-10:50 pm

3 stops28h 20m

$986

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Buenos Aires from

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

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 $1,025, 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 September instead. Flights to Buenos Aires in September, while not as cheap as those in May, still average around $1,145.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from San Francisco is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,176. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,303.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from San Francisco to Buenos Aires during this time can be as low as $1,053. Try not to purchase tickets at noon because they tend to be around $1,341. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,219 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 $1,161 on momondo.

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

You could potentially save up to 16% 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 December 2025, prices for San Francisco to Buenos Aires flights are approximately 7% cheaper 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

17h 05m

Direct flights

None
The fastest flight from San Francisco to Buenos Aires takes 17h 05m
There are no direct flights from San Francisco to Buenos Aires. There are no popular flight routes from San Francisco to Buenos Aires.
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  • How far is San Francisco to Buenos Aires by plane?

    A flight from San Francisco to Buenos Aires will travel around 6464.7 mi. Typically, this will take 17h 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?

  • 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?

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
LATAM AirlinesPriceFrom $717Free CancellationRating
7.5
1,891 reviews
Search LATAM Airlines flights
AviancaPriceFrom $744Free CancellationRating
6.6
2,487 reviews
Search Avianca flights
DeltaPriceFrom $875Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Copa AirlinesPriceFrom $973Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,041Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
AeromexicoPriceFrom $1,119Free CancellationRating
7.4
1,629 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.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport