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Cheap flights from San Francisco to Buenos Aires from $374

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 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
2:15 pm - 8:40 pm
SFO
-
AEP
26h 25m
3 stops
Multiple Airlines Logo
7:00 am - 11:55 pm
AEP
-
SFO
20h 55m
2 stops
$918Multiple Airlines
Mon, Apr 20 - Thu, Apr 30
Multiple Airlines Logo
2:15 pm - 10:30 pm
SFO
-
AEP
28h 15m
3 stops
Multiple Airlines Logo
7:00 am - 11:55 pm
AEP
-
SFO
20h 55m
2 stops
$920Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
2:15 pm - 10:30 pm
SFO
-
AEP
28h 15m
3 stops
Multiple Airlines Logo
10:10 pm - 11:55 pm
AEP
-
SFO
29h 45m
3 stops
$921Multiple Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
2:15 pm - 9:20 pm
SFO
-
AEP
27h 05m
3 stops
Multiple Airlines Logo
7:00 am - 10:35 pm
AEP
-
SFO
19h 35m
2 stops
$922Multiple Airlines
Mon, Apr 27 - Tue, May 12
Multiple Airlines Logo
2:15 pm - 9:20 pm
SFO
-
AEP
27h 05m
3 stops
Multiple Airlines Logo
5:45 am - 12:50 pm
AEP
-
SFO
35h 05m
3 stops
$924Multiple Airlines
Mon, Apr 27 - Tue, May 12
Multiple Airlines Logo
2:15 pm - 8:40 pm
SFO
-
AEP
26h 25m
3 stops
Multiple Airlines Logo
7:00 am - 10:35 pm
AEP
-
SFO
19h 35m
2 stops
$931Multiple Airlines
Tue, Apr 14 - Thu, Apr 30
Multiple Airlines Logo
2:15 pm - 9:20 pm
SFO
-
AEP
27h 05m
3 stops
Multiple Airlines Logo
10:10 pm - 11:55 pm
AEP
-
SFO
29h 45m
3 stops
$934Multiple Airlines
Mon, Apr 27 - Mon, May 11
LATAM Airlines Logo
11:00 am - 7:40 pm
SFO
-
AEP
28h 40m
2 stops
LATAM Airlines Logo
5:00 pm - 10:53 am
AEP
-
SFO
21h 53m
2 stops
$937LATAM Airlines
Sun, May 3 - Thu, May 21
Multiple Airlines Logo
11:55 pm - 3:30 pm
SFO
-
AEP
35h 35m
3 stops
Multiple Airlines Logo
7:00 am - 10:35 pm
AEP
-
SFO
19h 35m
2 stops
$942Multiple Airlines
Wed, May 6 - Wed, May 27
Avianca Logo
2:15 pm - 3:40 pm
SFO
-
EZE
21h 25m
2 stops
Avianca Logo
4:50 pm - 10:35 pm
EZE
-
SFO
33h 45m
2 stops
$968Avianca
Mon, Apr 27 - Wed, May 13

LATAM Airlines flights from San Francisco to Buenos Aires

Our best LATAM Airlines deals on San Francisco to Buenos Aires flight tickets
LATAM Airlines
May 3
SFO11:00 amSan Francisco
27h 25m
2 stops
AEP6:25 pmBuenos Aires Jorge Newbery
May 21
AEP6:20 pmBuenos Aires Jorge Newbery
23h 16m
2 stops
SFO1:36 pmSan Francisco
$937
LATAM Airlines
Sep 6
SFO11:05 amSan Francisco
20h 25m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Sep 14
EZE7:35 amBuenos Aires Ministro Pistarini
19h 37m
2 stops
SFO11:12 pmSan Francisco
$987
LATAM Airlines
Sep 6
SFO11:05 amSan Francisco
20h 25m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Sep 14
EZE7:35 amBuenos Aires Ministro Pistarini
19h 37m
2 stops
SFO11:12 pmSan Francisco
$1,004

Avianca flights from San Francisco to Buenos Aires

Our best Avianca deals on San Francisco to Buenos Aires flight tickets
Avianca
Apr 27
SFO2:15 pmSan Francisco
21h 25m
2 stops
EZE3:40 pmBuenos Aires Ministro Pistarini
May 13
EZE4:50 pmBuenos Aires Ministro Pistarini
33h 45m
2 stops
SFO10:35 pmSan Francisco
$968
Avianca
Apr 27
SFO11:55 pmSan Francisco
20h 30m
2 stops
EZE12:25 amBuenos Aires Ministro Pistarini
May 11
EZE2:30 amBuenos Aires Ministro Pistarini
25h 25m
2 stops
SFO11:55 pmSan Francisco
$985
Avianca
Apr 22
SFO11:55 pmSan Francisco
25h 45m
2 stops
EZE5:40 amBuenos Aires Ministro Pistarini
Apr 29
EZE4:50 pmBuenos Aires Ministro Pistarini
35h 05m
2 stops
SFO11:55 pmSan Francisco
$988

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 March 10, 2026.
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

Mon 4/20

2:15 pm-8:40 pm

3 stops26h 25m

Buenos Aires Jorge Newbery

Thu 4/30

7:00 am-11:55 pm

2 stops20h 55m

$918

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 4/23

2:15 pm-10:30 pm

3 stops28h 15m

Buenos Aires Jorge Newbery

Thu 4/30

7:00 am-11:55 pm

2 stops20h 55m

$920

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Thu 5/7

2:15 pm-10:30 pm

3 stops28h 15m

Buenos Aires Jorge Newbery

Mon 5/11

10:10 pm-11:55 pm

3 stops29h 45m

$921

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 4/27

2:15 pm-9:20 pm

3 stops27h 05m

Buenos Aires Jorge Newbery

Tue 5/12

7:00 am-10:35 pm

2 stops19h 35m

$922

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 4/27

2:15 pm-9:20 pm

3 stops27h 05m

Buenos Aires Jorge Newbery

Tue 5/12

5:45 am-12:50 pm

3 stops35h 05m

$924
Quickest round-trip

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Tue 4/14

2:15 pm-8:40 pm

3 stops26h 25m

Buenos Aires Jorge Newbery

Thu 4/30

7:00 am-10:35 pm

2 stops19h 35m

$931

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Mon 4/27

2:15 pm-9:20 pm

3 stops27h 05m

Buenos Aires Jorge Newbery

Mon 5/11

10:10 pm-11:55 pm

3 stops29h 45m

$934

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sun 5/3

11:00 am-7:40 pm

2 stops28h 40m

Buenos Aires Jorge Newbery

Thu 5/21

5:00 pm-10:53 am

2 stops21h 53m

$937

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Wed 5/6

11:55 pm-3:30 pm

3 stops35h 35m

Buenos Aires Jorge Newbery

Wed 5/27

7:00 am-10:35 pm

2 stops19h 35m

$942

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 4/27

2:15 pm-3:40 pm

2 stops21h 25m

Buenos Aires Ministro Pistarini

Wed 5/13

4:50 pm-10:35 pm

2 stops33h 45m

$968

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 $1,016, 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 $1,196 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 9% 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 March 2026, prices for San Francisco to Buenos Aires flights are approximately 27% 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 54m

Direct flights

None
The fastest flight from San Francisco to Buenos Aires takes 17h 54m
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

  • 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 54m 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
AviancaPriceFrom $654Free CancellationRating
6.5
2,499 reviews
Search Avianca flights
DeltaPriceFrom $875Free CancellationRating
7.9
8,276 reviews
Search Delta flights
LATAM AirlinesPriceFrom $893Free CancellationRating
7.4
1,918 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $897Free CancellationRating
7.5
1,569 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $969Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,025Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
AeromexicoPriceFrom $1,119Free CancellationRating
7.4
1,569 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