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Cheap flights from San Francisco to Buenos Aires from $326

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 9/7. 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

Air Canada Logo
6:00 pm - 3:10 pmSFO-EZE
40h 10m3 stops
Air Canada Logo
4:45 pm - 9:22 pmEZE-SFO
33h 37m2 stops
$1,003Air Canada
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Mon, Nov 3 - Wed, Nov 19
Logo
2:20 pm - 9:40 pmSFO-AEP
27h 20m3 stops
Logo
7:00 am - 10:45 pmAEP-SFO
19h 45m2 stops
$1,004
Find Deal
Sun, Sep 21 - Sun, Sep 28
LATAM Airlines Logo
11:35 am - 2:00 pmSFO-AEP
22h 25m2 stops
LATAM Airlines Logo
3:40 pm - 10:00 amAEP-SFO
22h 20m2 stops
$1,012LATAM Airlines
Find Deal
Sat, Aug 30 - Sun, Sep 7
Copa Airlines Logo
12:36 am - 1:00 amSFO-EZE
19h 24m1 stop
Copa Airlines Logo
9:03 am - 11:17 pmEZE-SFO
19h 14m1 stop
$1,013Copa Airlines
Find Deal
Sat, Nov 15 - Tue, Dec 16
LATAM Airlines Logo
10:55 am - 2:00 pmSFO-AEP
23h 05m2 stops
LATAM Airlines Logo
5:05 pm - 11:45 amAEP-SFO
22h 40m2 stops
$1,015LATAM Airlines
Find Deal
Sat, Aug 30 - Mon, Sep 8
United Airlines Logo
11:59 pm - 8:00 amSFO-EZE
28h 01m1 stop
United Airlines Logo
10:55 pm - 2:51 pmEZE-SFO
19h 56m1 stop
$1,016United Airlines
Find Deal
Sun, Oct 12 - Mon, Oct 27
American Airlines Logo
6:51 am - 10:15 amSFO-EZE
23h 24m1 stop
American Airlines Logo
8:30 pm - 11:27 amEZE-SFO
18h 57m1 stop
$1,029American Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 20
American Airlines Logo
8:22 am - 7:05 amSFO-EZE
17h 43m1 stop
American Airlines Logo
11:20 pm - 3:44 pmEZE-SFO
21h 24m2 stops
$1,030American Airlines
Find Deal
Tue, Jan 20 - Mon, Feb 2
United Airlines Logo
12:43 am - 7:20 amSFO-EZE
25h 37m1 stop
United Airlines Logo
10:05 pm - 2:51 pmEZE-SFO
21h 46m1 stop
$1,038United Airlines
Find Deal
Sun, Nov 2 - Mon, Nov 10
Copa Airlines Logo
12:36 am - 4:06 amSFO-EZE
22h 30m1 stop
Copa Airlines Logo
2:15 am - 11:17 pmEZE-SFO
26h 02m1 stop
$1,053Copa Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 15

Copa Airlines flights from San Francisco to Buenos Aires

Our best Copa Airlines deals on San Francisco to Buenos Aires flight tickets
Copa Airlines
Nov 15
SFO12:36 amSan Francisco
19h 24m
1 stop
EZE1:00 amBuenos Aires Ministro Pistarini
Dec 16
EZE9:03 amBuenos Aires Ministro Pistarini
19h 14m
1 stop
SFO11:17 pmSan Francisco
$1,013
Find similar
Copa Airlines
Dec 3
SFO12:36 amSan Francisco
22h 30m
1 stop
EZE4:06 amBuenos Aires Ministro Pistarini
Dec 15
EZE2:15 amBuenos Aires Ministro Pistarini
26h 02m
1 stop
SFO11:17 pmSan Francisco
$1,053
Find similar
Copa Airlines
Nov 29
SFO12:36 amSan Francisco
16h 55m
1 stop
EZE10:31 pmBuenos Aires Ministro Pistarini
Dec 18
EZE9:03 amBuenos Aires Ministro Pistarini
19h 14m
1 stop
SFO11:17 pmSan Francisco
$1,063
Find similar

United Airlines flights from San Francisco to Buenos Aires

Our best United Airlines deals on San Francisco to Buenos Aires flight tickets
United Airlines
Oct 12
SFO11:59 pmSan Francisco
28h 01m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 27
EZE10:55 pmBuenos Aires Ministro Pistarini
19h 56m
1 stop
SFO2:51 pmSan Francisco
$1,016
Find similar
United Airlines
Nov 2
SFO12:43 amSan Francisco
25h 37m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 10
EZE10:05 pmBuenos Aires Ministro Pistarini
21h 46m
1 stop
SFO2:51 pmSan Francisco
$1,038
Find similar
United Airlines
Oct 5
SFO12:43 amSan Francisco
27h 17m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Oct 20
EZE9:00 pmBuenos Aires Ministro Pistarini
30h 57m
1 stop
SFO11:57 pmSan Francisco
$1,045
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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 August 19, 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 11/3

6:00 pm-3:10 pm

3 stops40h 10m

Buenos Aires Ministro Pistarini

Wed 11/19

4:45 pm-9:22 pm

2 stops33h 37m

$1,003

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sun 9/21

2:20 pm-9:40 pm

3 stops27h 20m

Buenos Aires Jorge Newbery

Sun 9/28

7:00 am-10:45 pm

2 stops19h 45m

$1,004

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 8/30

11:35 am-2:00 pm

2 stops22h 25m

Buenos Aires Jorge Newbery

Sun 9/7

3:40 pm-10:00 am

2 stops22h 20m

$1,012

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sat 11/15

12:36 am-1:00 am

1 stop19h 24m

Buenos Aires Ministro Pistarini

Tue 12/16

9:03 am-11:17 pm

1 stop19h 14m

$1,013

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 8/30

10:55 am-2:00 pm

2 stops23h 05m

Buenos Aires Jorge Newbery

Mon 9/8

5:05 pm-11:45 am

2 stops22h 40m

$1,015

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 10/12

11:59 pm-8:00 am

1 stop28h 01m

Buenos Aires Ministro Pistarini

Mon 10/27

10:55 pm-2:51 pm

1 stop19h 56m

$1,016

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 10/6

6:51 am-10:15 am

1 stop23h 24m

Buenos Aires Ministro Pistarini

Mon 10/20

8:30 pm-11:27 am

1 stop18h 57m

$1,029

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 1/20

8:22 am-7:05 am

1 stop17h 43m

Buenos Aires Ministro Pistarini

Mon 2/2

11:20 pm-3:44 pm

2 stops21h 24m

$1,030

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 11/2

12:43 am-7:20 am

1 stop25h 37m

Buenos Aires Ministro Pistarini

Mon 11/10

10:05 pm-2:51 pm

1 stop21h 46m

$1,038

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 12/3

12:36 am-4:06 am

1 stop22h 30m

Buenos Aires Ministro Pistarini

Mon 12/15

2:15 am-11:17 pm

1 stop26h 02m

$1,053

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $1,024, 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 $1,137.

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 $1,252 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 $1,144 on momondo.

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

You could potentially save up to 21% 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 August 2025, prices for San Francisco to Buenos Aires flights are approximately 16% 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

Best Price Found

$326

Fastest flight time

16h 55m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from San Francisco in the past 72 hours is $326. The best round-trip flight deal from San Francisco to Buenos Aires found on momondo in the last 72 hours is $1,003.
The fastest flight from San Francisco to Buenos Aires takes 16h 55m
There are no direct flights from San Francisco to Buenos Aires. Popular non-direct routes for this connection are San Francisco Airport - Buenos Aires Ministro Pistarini Airport and San Francisco Airport - Buenos Aires Jorge Newbery Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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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 16h 55m 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 $658Free CancellationRating
7.5
1,844 reviews
Search LATAM Airlines flights
AviancaPriceFrom $744Free CancellationRating
6.7
2,409 reviews
Search Avianca flights
Copa AirlinesPriceFrom $1,013Free CancellationRating
7.5
1,510 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $1,023Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,025Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $1,025Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
AeromexicoPriceFrom $1,119Free CancellationRating
7.5
1,718 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