Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Buenos Aires from $400

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 7/6. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
11:54 am - 6:21 pm
SFO
-
EZE
26h 27m
2 stops
LATAM Airlines Logo
12:15 pm - 10:53 am
EZE
-
SFO
26h 38m
2 stops
$932LATAM Airlines
Fri, Aug 21 - Mon, Sep 28
LATAM Airlines Logo
11:58 am - 6:21 pm
SFO
-
EZE
26h 23m
2 stops
LATAM Airlines Logo
7:21 pm - 10:53 am
EZE
-
SFO
19h 32m
2 stops
$933LATAM Airlines
Mon, Sep 14 - Fri, Sep 25
LATAM Airlines Logo
11:05 am - 11:30 am
SFO
-
EZE
20h 25m
2 stops
LATAM Airlines Logo
7:35 am - 11:11 pm
EZE
-
SFO
19h 36m
2 stops
$935LATAM Airlines
Sat, Sep 12 - Tue, Oct 13
LATAM Airlines Logo
7:30 am - 9:40 am
SFO
-
EZE
22h 10m
2 stops
LATAM Airlines Logo
7:21 pm - 10:53 am
EZE
-
SFO
19h 32m
2 stops
$936LATAM Airlines
Wed, Sep 9 - Wed, Sep 16
LATAM Airlines Logo
7:10 am - 9:40 am
SFO
-
EZE
22h 30m
2 stops
LATAM Airlines Logo
7:21 pm - 1:25 pm
EZE
-
SFO
22h 04m
2 stops
$937LATAM Airlines
Fri, Aug 21 - Fri, Sep 25
LATAM Airlines Logo
11:05 am - 11:30 am
SFO
-
EZE
20h 25m
2 stops
LATAM Airlines Logo
7:35 am - 10:07 pm
EZE
-
SFO
18h 32m
2 stops
$943LATAM Airlines
Tue, Sep 8 - Tue, Sep 29
LATAM Airlines Logo
7:53 am - 9:40 am
SFO
-
EZE
21h 47m
2 stops
LATAM Airlines Logo
7:35 am - 10:07 pm
EZE
-
SFO
18h 32m
2 stops
$950LATAM Airlines
Wed, Sep 2 - Tue, Sep 22
Multiple Airlines Logo
6:00 am - 4:20 am
SFO
-
AEP
42h 20m
3 stops
Multiple Airlines Logo
5:45 am - 12:50 pm
AEP
-
SFO
35h 05m
3 stops
$981Multiple Airlines
Fri, Aug 21 - Fri, Sep 25
Delta Logo
6:25 pm - 4:00 pm
SFO
-
AEP
17h 35m
2 stops
Delta Logo
3:45 pm - 10:53 am
AEP
-
SFO
23h 08m
2 stops
$1,017Delta
Sat, Sep 5 - Sun, Sep 27
Delta Logo
6:00 am - 7:40 am
SFO
-
AEP
21h 40m
2 stops
Delta Logo
3:45 pm - 10:22 am
AEP
-
SFO
22h 37m
2 stops
$1,018Delta
Wed, Aug 19 - Thu, Sep 3

LATAM Airlines flights from San Francisco to Buenos Aires

Our best LATAM Airlines deals on San Francisco to Buenos Aires flight tickets
LATAM Airlines
Aug 21
SFO11:54 amSan Francisco
26h 27m
2 stops
EZE6:21 pmBuenos Aires Ministro Pistarini
Sep 28
EZE12:15 pmBuenos Aires Ministro Pistarini
26h 38m
2 stops
SFO10:53 amSan Francisco
$932
LATAM Airlines
Sep 14
SFO11:58 amSan Francisco
26h 23m
2 stops
EZE6:21 pmBuenos Aires Ministro Pistarini
Sep 25
EZE7:21 pmBuenos Aires Ministro Pistarini
19h 32m
2 stops
SFO10:53 amSan Francisco
$933
LATAM Airlines
Sep 12
SFO11:05 amSan Francisco
20h 25m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
Oct 13
EZE7:35 amBuenos Aires Ministro Pistarini
19h 36m
2 stops
SFO11:11 pmSan Francisco
$935

American Airlines flights from San Francisco to Buenos Aires

Our best American Airlines deals on San Francisco to Buenos Aires flight tickets
American Airlines
Jul 16
SFO12:10 pmSan Francisco
18h 55m
1 stop
EZE11:05 amBuenos Aires Ministro Pistarini
Jul 29
EZE10:00 pmBuenos Aires Ministro Pistarini
18h 58m
2 stops
SFO12:58 pmSan Francisco
$1,008
American Airlines
Jul 17
SFO11:24 amSan Francisco
15h 51m
1 stop
EZE7:15 amBuenos Aires Ministro Pistarini
Jul 30
EZE9:15 amBuenos Aires Ministro Pistarini
19h 28m
2 stops
SFO12:43 amSan Francisco
$1,009
American Airlines
Jul 16
SFO12:10 pmSan Francisco
18h 55m
1 stop
EZE11:05 amBuenos Aires Ministro Pistarini
Jul 29
EZE10:00 pmBuenos Aires Ministro Pistarini
18h 58m
2 stops
SFO12:58 pmSan Francisco
$1,012

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 May 30, 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 - EZE

SFOEZE

San Francisco

Fri 8/21

11:54 am-6:21 pm

2 stops26h 27m

Buenos Aires Ministro Pistarini

Mon 9/28

12:15 pm-10:53 am

2 stops26h 38m

$932

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Mon 9/14

11:58 am-6:21 pm

2 stops26h 23m

Buenos Aires Ministro Pistarini

Fri 9/25

7:21 pm-10:53 am

2 stops19h 32m

$933

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sat 9/12

11:05 am-11:30 am

2 stops20h 25m

Buenos Aires Ministro Pistarini

Tue 10/13

7:35 am-11:11 pm

2 stops19h 36m

$935

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 9/9

7:30 am-9:40 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Wed 9/16

7:21 pm-10:53 am

2 stops19h 32m

$936

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Fri 8/21

7:10 am-9:40 am

2 stops22h 30m

Buenos Aires Ministro Pistarini

Fri 9/25

7:21 pm-1:25 pm

2 stops22h 04m

$937
Quickest round-trip

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Tue 9/8

11:05 am-11:30 am

2 stops20h 25m

Buenos Aires Ministro Pistarini

Tue 9/29

7:35 am-10:07 pm

2 stops18h 32m

$943

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Wed 9/2

7:53 am-9:40 am

2 stops21h 47m

Buenos Aires Ministro Pistarini

Tue 9/22

7:35 am-10:07 pm

2 stops18h 32m

$950

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Fri 8/21

6:00 am-4:20 am

3 stops42h 20m

Buenos Aires Jorge Newbery

Fri 9/25

5:45 am-12:50 pm

3 stops35h 05m

$981

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Sat 9/5

6:25 pm-4:00 pm

2 stops17h 35m

Buenos Aires Jorge Newbery

Sun 9/27

3:45 pm-10:53 am

2 stops23h 08m

$1,017

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

Wed 8/19

6:00 am-7:40 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Thu 9/3

3:45 pm-10:22 am

2 stops22h 37m

$1,018

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 April. Flight prices, which tend to average around $285, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Buenos Aires from San Francisco during June instead. Flights to Buenos Aires in June, while not as cheap as those in April, still average around $500.

How far in advance should I book a flight from San Francisco 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 $1,235 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 $1,106 on momondo.

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

As of May 2026, prices for San Francisco to Buenos Aires flights are approximately 95% 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?

  • 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 $284Free CancellationRating
6.5
2,527 reviews
Search Avianca flights
DeltaPriceFrom $875Free CancellationRating
7.9
8,416 reviews
Search Delta flights
LATAM AirlinesPriceFrom $893Free CancellationRating
7.4
1,919 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $907Free CancellationRating
7.5
1,574 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $969Free CancellationRating
7.4
9,766 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,016Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
AeromexicoPriceFrom $1,120Free CancellationRating
7.4
1,500 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/29
Mon 7/6
By creating a price alert you accept our terms of use and privacy policy.

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