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$274+ Cheap flights from San Diego (SAN) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUE
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Buenos Aires are usually found in September or November, booked 85 days in advance, depart on a Wednesday or Saturday and return on a Monday

Cheap flight deals from San Diego to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Round-trip from

$573
(Booking.com)

One-way from

$274
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$1,462
From San Diego to Buenos Aires (BUE)
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One-way flight from San Diego to Buenos Aires (BUE)
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Highest demand for flights based on searches. 11% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Diego to Buenos Aires

Cheapest flights from San Diego to Buenos Aires
Explore the most affordable flight options available from San Diego to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:08 pmSAN - EZE
1 stop23h 47mCopa Airlines
Tue 10/72:32 pmEZE - SAN
1 stop31h 25mCopa Airlines
Deal found 7/29$573
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:08 pmSAN - EZE
2 stops44h 22mMultiple Airlines
Fri 9/195:04 amEZE - SAN
1 stop16h 46mMultiple Airlines
Deal found 7/29$822
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:10 amSAN - EZE
2 stops26h 20mAir Canada
Wed 10/154:35 pmEZE - SAN
2 stops31h 00mAir Canada
Deal found 7/30$987
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:20 amSAN - EZE
2 stops19h 00mLATAM Airlines
Sat 12/67:55 amEZE - SAN
2 stops19h 59mLATAM Airlines
Deal found 7/30$1,011
This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:00 pmSAN - AEP
2 stops22h 05mLATAM Airlines
Sun 10/58:10 pmAEP - SAN
2 stops23h 09mLATAM Airlines
Deal found 7/29$1,018
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:15 amSAN - EZE
2 stops27h 45mDelta
Tue 11/118:55 pmEZE - SAN
1 stop18h 11mDelta
Deal found 7/29$1,025
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:25 amSAN - EZE
2 stops17h 40mAmerican Airlines
Mon 11/1011:20 pmEZE - SAN
2 stops20h 16mAmerican Airlines
Deal found 7/29$1,030
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:00 pmSAN - EZE
1 stop33h 20mUnited Airlines
Mon 12/811:55 pmEZE - SAN
1 stop16h 06mUnited Airlines
Deal found 7/29$1,078
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:01 pmSAN - AEP
3 stops30h 39mMultiple Airlines
Wed 9/38:10 pmAEP - SAN
3 stops31h 34mMultiple Airlines
Deal found 7/28$1,214

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from San Diego to Buenos Aires that are best for you.

Fly from

San Diego

Fly to

Buenos Aires

Route

Depart

Return

Price

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 9/22

9:08 pm-12:55 am

1 stop23h 47m

Buenos Aires Ministro Pistarini

Tue 10/7

2:32 pm-5:57 pm

1 stop31h 25m

$573

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 9/12

9:08 pm-9:30 pm

2 stops44h 22m

Buenos Aires Ministro Pistarini

Fri 9/19

5:04 am-5:50 pm

1 stop16h 46m

$822

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Sun 10/5

8:10 am-2:30 pm

2 stops26h 20m

Buenos Aires Ministro Pistarini

Wed 10/15

4:35 pm-7:35 pm

2 stops31h 00m

$987

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Wed 11/26

6:20 am-6:20 am

2 stops19h 00m

Buenos Aires Ministro Pistarini

Sat 12/6

7:55 am-10:54 pm

2 stops19h 59m

$1,011

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Mon 9/22

2:00 pm-4:05 pm

2 stops22h 05m

Buenos Aires Jorge Newbery

Sun 10/5

8:10 pm-3:19 pm

2 stops23h 09m

$1,018

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 10/28

12:00 pm-9:00 am

1 stop17h 00m

Buenos Aires Ministro Pistarini

Tue 11/11

8:55 pm-1:05 pm

1 stop21h 10m

$1,025

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 11/3

8:25 am-7:05 am

2 stops17h 40m

Buenos Aires Ministro Pistarini

Mon 11/10

11:20 pm-2:36 pm

2 stops20h 16m

$1,030

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 11/28

5:00 pm-7:20 am

1 stop33h 20m

Buenos Aires Ministro Pistarini

Mon 12/8

11:55 pm-11:01 am

1 stop16h 06m

$1,078

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Sun 8/24

7:01 pm-5:40 am

3 stops30h 39m

Buenos Aires Jorge Newbery

Wed 9/3

8:10 pm-11:44 pm

3 stops31h 34m

$1,214

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Wed 9/17

9:08 pm-10:08 pm

1 stop21h 00m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 17 results
1
2

Best time to book a flight from San Diego to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Buenos Aires

How far ahead should I book a flight from San Diego to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Buenos Aires. Price data was last updated on July 25, 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Diego to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from San Diego to Buenos Aires (average of $795). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to BUE?

Find hourly flight availability from San Diego to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Buenos Aires in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from San Diego to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa Airlines from San Diego to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Buenos Aires?

    For a flight from San Diego to Buenos Aires, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 outbound flights to Buenos Aires per day. 4 airlines have flights to Buenos Aires from San Diego on a regular basis.

  • What are the cheapest airlines flying from San Diego to Buenos Aires round-trip?

    According to our current data, Copa Airlines ($573), LATAM Airlines ($975), and Air Canada ($987) offers the cheapest pricing from San Diego to Buenos Aires. Copa Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Diego to Buenos Aires one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $274. Air Canada flights start at $585 while deals on United Airlines start at $737 one-way.

  • Can I find deals for flights from San Diego to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Diego to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Buenos Aires.

  • Can I find deals for business class flights from San Diego to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Diego to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from San Diego to Buenos Aires (average of $795). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from San Diego to Buenos Aires

Discover the top 4 airlines that operate flights from San Diego to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$558Average$794FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,023Average$1,243FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,035Average$1,266FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,063Average$1,335FlexibilityNo cancel feeOn-timeN/A

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