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Cheap flights from San Diego to Buenos Aires from $369

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 Diego to Buenos Aires departing on 3/31. 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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LATAM Airlines Logo
10:30 pm - 4:00 pmSAN-AEP
36h 30m2 stops
LATAM Airlines Logo
2:55 pm - 9:16 amAEP-SAN
23h 21m2 stops
$632LATAM Airlines
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Tue, Dec 2 - Fri, Dec 5
Copa Airlines Logo
8:12 pm - 1:58 amSAN-EZE
24h 46m1 stop
Copa Airlines Logo
3:41 am - 5:37 pmEZE-SAN
18h 56m1 stop
$683Copa Airlines
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Fri, Dec 5 - Sun, Dec 14
United Airlines Logo
10:20 am - 9:20 amSAN-EZE
18h 00m1 stop
United Airlines Logo
11:55 pm - 7:56 pmEZE-SAN
25h 01m1 stop
$695United Airlines
Find Deal
Fri, Nov 28 - Thu, Dec 4
United Airlines Logo
12:08 pm - 9:20 amSAN-EZE
16h 12m1 stop
United Airlines Logo
11:55 pm - 12:15 amEZE-SAN
29h 20m2 stops
$699United Airlines
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Fri, Dec 5 - Mon, Dec 15
American Airlines Logo
6:15 am - 8:20 amSAN-EZE
21h 05m1 stop
American Airlines Logo
11:59 pm - 11:00 pmEZE-SAN
28h 01m1 stop
$707American Airlines
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Tue, Nov 25 - Tue, Dec 2
American Airlines Logo
1:19 pm - 8:25 amSAN-EZE
14h 06m1 stop
American Airlines Logo
10:35 pm - 11:45 amEZE-SAN
17h 10m1 stop
$743American Airlines
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Tue, Feb 10 - Tue, Mar 10
Delta Logo
7:00 am - 10:15 amSAN-EZE
23h 15m1 stop
Delta Logo
11:55 pm - 3:52 pmEZE-SAN
19h 57m1 stop
$756Delta
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Mon, Mar 9 - Thu, Mar 26
Delta Logo
6:15 am - 10:15 amSAN-EZE
23h 00m2 stops
Delta Logo
10:25 pm - 6:53 pmEZE-SAN
25h 28m2 stops
$760Delta
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Mon, Feb 2 - Tue, Feb 10
Multiple Airlines Logo
8:12 pm - 3:40 amSAN-EZE
26h 28m2 stops
Multiple Airlines Logo
5:16 am - 5:37 pmEZE-SAN
17h 21m1 stop
$904Multiple Airlines
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Tue, Dec 16 - Wed, Dec 24
Multiple Airlines Logo
8:10 pm - 10:31 pmSAN-EZE
21h 21m1 stop
Multiple Airlines Logo
12:07 am - 7:30 amEZE-SAN
36h 23m2 stops
$947Multiple Airlines
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Fri, Nov 28 - Wed, Dec 3

Copa Airlines flights from San Diego to Buenos Aires

Our best Copa Airlines deals on San Diego to Buenos Aires flight tickets
Copa Airlines
Dec 5
SAN8:12 pmSan Diego
24h 46m
1 stop
EZE1:58 amBuenos Aires Ministro Pistarini
Dec 14
EZE3:41 amBuenos Aires Ministro Pistarini
18h 56m
1 stop
SAN5:37 pmSan Diego
$683
Find similar
Copa Airlines
Nov 28
SAN8:10 pmSan Diego
21h 21m
1 stop
EZE10:31 pmBuenos Aires Ministro Pistarini
Dec 4
EZE2:32 pmBuenos Aires Ministro Pistarini
32h 05m
1 stop
SAN5:37 pmSan Diego
$692
Find similar
Copa Airlines
Feb 1
SAN8:17 pmSan Diego
23h 47m
1 stop
EZE1:04 amBuenos Aires Ministro Pistarini
Feb 14
EZE12:19 amBuenos Aires Ministro Pistarini
21h 54m
1 stop
SAN5:13 pmSan Diego
$784
Find similar

United Airlines flights from San Diego to Buenos Aires

Our best United Airlines deals on San Diego to Buenos Aires flight tickets
United Airlines
Nov 8
SAN1:47 pmSan Diego
14h 33m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 26
EZE11:55 pmBuenos Aires Ministro Pistarini
21h 30m
1 stop
SAN4:25 pmSan Diego
$695
Find similar
United Airlines
Dec 5
SAN12:08 pmSan Diego
16h 12m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 15
EZE11:55 pmBuenos Aires Ministro Pistarini
29h 20m
2 stops
SAN12:15 amSan Diego
$699
Find similar
United Airlines
Jan 5
SAN10:25 amSan Diego
17h 55m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Jan 30
EZE11:55 pmBuenos Aires Ministro Pistarini
25h 54m
2 stops
SAN8:49 pmSan Diego
$717
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momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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 October 30, 2025.
Use the filters below to find and compare flights from San Diego to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Tue 12/2

10:30 pm-4:00 pm

2 stops36h 30m

Buenos Aires Jorge Newbery

Fri 12/5

2:55 pm-9:16 am

2 stops23h 21m

$632

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 12/5

8:12 pm-1:58 am

1 stop24h 46m

Buenos Aires Ministro Pistarini

Sun 12/14

3:41 am-5:37 pm

1 stop18h 56m

$683

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 11/28

10:20 am-9:20 am

1 stop18h 00m

Buenos Aires Ministro Pistarini

Thu 12/4

11:55 pm-7:56 pm

1 stop25h 01m

$695

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 12/5

12:08 pm-9:20 am

1 stop16h 12m

Buenos Aires Ministro Pistarini

Mon 12/15

11:55 pm-12:15 am

2 stops29h 20m

$699

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 11/25

6:15 am-8:20 am

1 stop21h 05m

Buenos Aires Ministro Pistarini

Tue 12/2

11:59 pm-11:00 pm

1 stop28h 01m

$707

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 2/10

1:19 pm-8:25 am

1 stop14h 06m

Buenos Aires Ministro Pistarini

Tue 3/10

10:35 pm-11:45 am

1 stop17h 10m

$743

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 3/9

7:00 am-10:15 am

1 stop23h 15m

Buenos Aires Ministro Pistarini

Thu 3/26

11:55 pm-3:52 pm

1 stop19h 57m

$756

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 2/2

6:15 am-10:15 am

2 stops23h 00m

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-6:53 pm

2 stops25h 28m

$760

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 12/16

8:12 pm-3:40 am

2 stops26h 28m

Buenos Aires Ministro Pistarini

Wed 12/24

5:16 am-5:37 pm

1 stop17h 21m

$904

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 11/28

8:10 pm-10:31 pm

1 stop21h 21m

Buenos Aires Ministro Pistarini

Wed 12/3

12:07 am-7:30 am

2 stops36h 23m

$947

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 Diego 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 Diego and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from San Diego is in November. Flight prices, which tend to average around $1,068, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from San Diego during September instead. Flights to Buenos Aires in September, while not as cheap as those in November, still average around $1,100.

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 Diego is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,209. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,393.

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 Diego to Buenos Aires during this time can be as low as $1,054. Try not to purchase tickets in the evening because they tend to be around $1,361. 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 Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,216 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 Diego for as low as $954 on momondo.

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

You could potentially save up to 40% on your flight if you consider stops on a San Diego to Buenos Aires flight.

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

When to book flights from San Diego to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Buenos Aires (SAN to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Buenos Aires

Direct flights

None
There are no direct flights from San Diego to Buenos Aires. There are no popular flight routes from San Diego to Buenos Aires.
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  • How far is San Diego to Buenos Aires by plane?

    Buenos Aires is 6008.6 mi away from San Diego. 14h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Diego Airport to Buenos Aires?

    Prices for flights from San Diego Airport to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from San Diego Airport to Buenos Aires?

  • How old do you have to be to fly from San Diego Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego 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 Diego to Buenos Aires?

Best airlines flying from San Diego to Buenos Aires

Compare and see reviews for airlines that fly from San Diego to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $557Free CancellationRating
7.6
1,563 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $1,023Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
DeltaPriceFrom $1,025Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $1,025Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Buenos Aires?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from San Diego.

Can I find flights from San Diego to Buenos Aires with flexible booking policies on momondo?

Flights from San Diego to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Diego to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from San Diego.

I’m not ready to book a flight from San Diego to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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