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Cheap flights from San Francisco to Buenos Aires from $308

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 11/17. 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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Cheap round-trip flights

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Copa Airlines Logo
12:36 am - 12:53 amSFO-EZE
19h 17m1 stop
Copa Airlines Logo
10:01 am - 11:17 pmEZE-SFO
18h 16m1 stop
$908Copa Airlines
Find Deal
dom, nov 16 - qui, nov 27
United Airlines Logo
1:00 pm - 9:20 amSFO-EZE
15h 20m1 stop
United Airlines Logo
11:55 pm - 7:47 amEZE-SFO
36h 52m1 stop
$909United Airlines
Find Deal
seg, nov 17 - seg, dez 1
United Airlines Logo
11:59 pm - 7:20 amSFO-EZE
26h 21m1 stop
United Airlines Logo
10:05 pm - 12:09 pmEZE-SFO
19h 04m1 stop
$910United Airlines
Find Deal
dom, nov 23 - qua, dez 3
Delta Logo
12:30 pm - 9:00 amSFO-EZE
15h 30m1 stop
Delta Logo
8:55 pm - 10:30 amEZE-SFO
18h 35m1 stop
$912Delta
Find Deal
seg, dez 1 - qua, dez 17
LATAM Airlines Logo
12:30 pm - 4:00 pmSFO-AEP
22h 30m2 stops
LATAM Airlines Logo
5:15 pm - 11:29 amAEP-SFO
23h 14m2 stops
$920LATAM Airlines
Find Deal
ter, nov 11 - qua, dez 3
Delta Logo
6:00 am - 6:20 amSFO-EZE
19h 20m2 stops
Delta Logo
11:55 pm - 12:36 pmEZE-SFO
17h 41m1 stop
$920Delta
Find Deal
seg, nov 17 - qui, dez 4
LATAM Airlines Logo
11:05 am - 10:30 amSFO-AEP
19h 25m2 stops
LATAM Airlines Logo
8:10 pm - 3:13 pmAEP-SFO
23h 03m2 stops
$925LATAM Airlines
Find Deal
sex, mar 20 - sex, abr 3
Copa Airlines Logo
12:36 am - 7:59 amSFO-EZE
26h 23m1 stop
Copa Airlines Logo
3:41 am - 11:17 pmEZE-SFO
24h 36m1 stop
$928Copa Airlines
Find Deal
dom, nov 16 - ter, dez 9
American Airlines Logo
12:50 am - 8:20 amSFO-EZE
26h 30m1 stop
American Airlines Logo
8:40 pm - 11:52 amEZE-SFO
19h 12m1 stop
$931American Airlines
Find Deal
dom, fev 22 - seg, mar 9
American Airlines Logo
12:17 am - 8:25 amSFO-EZE
27h 08m1 stop
American Airlines Logo
9:40 pm - 1:36 pmEZE-SFO
20h 56m2 stops
$935American Airlines
Find Deal
dom, fev 1 - seg, fev 16

Avianca flights from San Francisco to Buenos Aires

Our best Avianca deals on San Francisco to Buenos Aires flight tickets
Avianca
Dec 3
SFO1:20 pmSan Francisco
31h 15m
2 stops
EZE1:35 amBuenos Aires Ministro Pistarini
Dec 24
EZE4:55 pmBuenos Aires Ministro Pistarini
35h 25m
2 stops
SFO11:20 pmSan Francisco
$911
Find similar
Avianca
Nov 16
SFO11:10 pmSan Francisco
25h 40m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Nov 26
EZE4:55 pmBuenos Aires Ministro Pistarini
35h 25m
2 stops
SFO11:20 pmSan Francisco
$913
Find similar
Avianca
Nov 15
SFO1:35 amSan Francisco
23h 15m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Dec 15
EZE2:40 amBuenos Aires Ministro Pistarini
24h 10m
2 stops
SFO9:50 pmSan Francisco
$927
Find similar

American Airlines flights from San Francisco to Buenos Aires

Our best American Airlines deals on San Francisco to Buenos Aires flight tickets
American Airlines
Feb 22
SFO12:50 amSan Francisco
26h 30m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 9
EZE8:40 pmBuenos Aires Ministro Pistarini
19h 12m
1 stop
SFO11:52 amSan Francisco
$931
Find similar
American Airlines
Feb 1
SFO12:17 amSan Francisco
27h 08m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
Feb 16
EZE9:40 pmBuenos Aires Ministro Pistarini
20h 56m
2 stops
SFO1:36 pmSan Francisco
$935
Find similar
American Airlines
Dec 4
SFO12:39 pmSan Francisco
17h 01m
1 stop
EZE10:40 amBuenos Aires Ministro Pistarini
Dec 18
EZE10:30 pmBuenos Aires Ministro Pistarini
19h 43m
1 stop
SFO1:13 pmSan Francisco
$944
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 outubro 30, 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

dom 11/16

12:36 am-12:53 am

1 stop19h 17m

Buenos Aires Ministro Pistarini

qui 11/27

10:01 am-11:17 pm

1 stop18h 16m

$908

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

seg 11/17

1:00 pm-9:20 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

seg 12/1

11:55 pm-7:47 am

1 stop36h 52m

$909

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

dom 11/23

11:59 pm-7:20 am

1 stop26h 21m

Buenos Aires Ministro Pistarini

qua 12/3

10:05 pm-12:09 pm

1 stop19h 04m

$910

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

seg 12/1

12:30 pm-9:00 am

1 stop15h 30m

Buenos Aires Ministro Pistarini

qua 12/17

8:55 pm-10:30 am

1 stop18h 35m

$912

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

ter 11/11

12:30 pm-4:00 pm

2 stops22h 30m

Buenos Aires Jorge Newbery

qua 12/3

5:15 pm-11:29 am

2 stops23h 14m

$920

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

seg 11/17

6:00 am-6:20 am

2 stops19h 20m

Buenos Aires Ministro Pistarini

qui 12/4

11:55 pm-12:36 pm

1 stop17h 41m

$920

San FranciscoBuenos Aires

SFO - AEP

SFOAEP

San Francisco

sex 3/20

11:05 am-10:30 am

2 stops19h 25m

Buenos Aires Jorge Newbery

sex 4/3

8:10 pm-3:13 pm

2 stops23h 03m

$925

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

dom 11/16

12:36 am-7:59 am

1 stop26h 23m

Buenos Aires Ministro Pistarini

ter 12/9

3:41 am-11:17 pm

1 stop24h 36m

$928

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

dom 2/22

12:50 am-8:20 am

1 stop26h 30m

Buenos Aires Ministro Pistarini

seg 3/9

8:40 pm-11:52 am

1 stop19h 12m

$931

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

dom 2/1

12:17 am-8:25 am

1 stop27h 08m

Buenos Aires Ministro Pistarini

seg 2/16

9:40 pm-1:36 pm

2 stops20h 56m

$935

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 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 $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 $1,240 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 $1,175 on momondo.

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

As of October 2025, 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

Direct flights

None
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 15h 20m 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
1,873 reviews
Search LATAM Airlines flights
AviancaPriceFrom $744Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
Copa AirlinesPriceFrom $992Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $1,019Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $1,023Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $1,076Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
AeromexicoPriceFrom $1,119Free CancellationRating
7.4
1,674 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