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$261+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Buenos Aires are usually found in October 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 June 12, 2025.

Round-trip from

$605
(Copa Airlines)

One-way from

$261
(Copa Airlines)

Popular in

December

Cheapest in

October

Average price

$1,409
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. 8% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Copa Airlines deal was found by Cheapflights users on 6/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:12 pmSAN - EZE
1 stop23h 32mCopa Airlines
Sun 10/123:47 amEZE - SAN
1 stop18h 10mCopa Airlines
Deal found 6/10$605
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 7/2112:30 pmSAN - EZE
3 stops34h 55mMultiple Airlines
Mon 8/41:40 amEZE - SAN
3 stops44h 15mMultiple Airlines
Deal found 6/11$957
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Tue 9/168:10 amSAN - EZE
2 stops26h 20mAir Canada
Wed 9/244:35 pmEZE - SAN
2 stops31h 00mAir Canada
Deal found 6/11$1,016
This Delta deal was found by Cheapflights users on 6/10. 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 9/309:40 pmSAN - EZE
1 stop32h 05mDelta
Wed 10/88:10 pmEZE - SAN
1 stop29h 25mDelta
Deal found 6/10$1,020
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:50 pmSAN - AEP
2 stops21h 50mLATAM Airlines
Thu 10/235:00 pmAEP - SAN
2 stops24h 05mLATAM Airlines
Deal found 6/12$1,020
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 10/148:00 amSAN - EZE
1 stop20h 00mUnited Airlines
Wed 10/229:00 pmEZE - SAN
1 stop25h 10mUnited Airlines
Deal found 6/12$1,025
This LATAM Airlines deal was found by Cheapflights users on 6/12. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:25 amSAN - EZE
2 stops20h 50mLATAM Airlines
Thu 1/2212:15 pmEZE - SAN
2 stops35h 41mLATAM Airlines
Deal found 6/12$1,080
This American Airlines deal was found by Cheapflights users on 6/10. 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 12/2912:56 pmSAN - EZE
1 stop16h 19mAmerican Airlines
Mon 1/1911:35 pmEZE - SAN
1 stop27h 48mAmerican Airlines
Deal found 6/10$1,132
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/205:13 pmSAN - AEP
3 stops33h 47mMultiple Airlines
Tue 7/297:00 amAEP - SAN
3 stops30h 55mMultiple Airlines
Deal found 6/12$1,275
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:10 amSAN - AEP
2 stops29h 10mAir Canada
Tue 10/211:40 pmAEP - SAN
2 stops25h 51mAir Canada
Deal found 6/12$1,466
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:22 pmSAN - AEP
2 stops34h 38mGOL
Sun 8/33:40 amAEP - SAN
2 stops22h 07mGOL
Deal found 6/12$2,114
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 10/1211:00 amSAN - AEP
2 stops22h 00mDelta
Wed 10/224:40 pmAEP - SAN
2 stops22h 41mDelta
Deal found 6/12$8,675

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 June 12, 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

Wed 10/1

9:12 pm-12:44 am

1 stop23h 32m

Buenos Aires Ministro Pistarini

Sun 10/12

3:47 am-5:57 pm

1 stop18h 10m

$605

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 7/21

12:30 pm-3:25 am

3 stops34h 55m

Buenos Aires Ministro Pistarini

Mon 8/4

1:40 am-5:55 pm

3 stops44h 15m

$957

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 9/16

8:10 am-2:30 pm

2 stops26h 20m

Buenos Aires Ministro Pistarini

Wed 9/24

4:35 pm-7:35 pm

2 stops31h 00m

$1,016

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 9/30

9:40 pm-9:45 am

1 stop32h 05m

Buenos Aires Ministro Pistarini

Wed 10/8

8:10 pm-9:35 pm

1 stop29h 25m

$1,020

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Mon 10/13

12:50 pm-2:40 pm

2 stops21h 50m

Buenos Aires Jorge Newbery

Thu 10/23

5:00 pm-1:05 pm

2 stops24h 05m

$1,020

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 10/14

6:15 am-8:00 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Thu 10/23

9:00 pm-10:53 am

1 stop17h 53m

$1,025

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Wed 10/1

3:59 pm-2:30 am

2 stops30h 31m

Buenos Aires Ministro Pistarini

Tue 10/7

3:55 am-10:54 pm

2 stops22h 59m

$1,118

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Sun 7/20

5:13 pm-7:00 am

3 stops33h 47m

Buenos Aires Jorge Newbery

Tue 7/29

7:00 am-9:55 am

3 stops30h 55m

$1,275

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 12/8

10:28 am-9:10 am

2 stops17h 42m

Buenos Aires Ministro Pistarini

Mon 1/12

10:10 am-10:23 pm

1 stop17h 13m

$1,322

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Wed 10/15

8:10 am-5:20 pm

2 stops29h 10m

Buenos Aires Jorge Newbery

Wed 10/22

1:40 pm-11:31 am

2 stops25h 51m

$1,466

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 results
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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 June 9, 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 June 12, 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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from San Diego to Buenos Aires by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,073 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 ($605), Air Canada ($1,016), and Delta ($1,020) offers the cheapest pricing from San Diego to Buenos Aires. Copa Airlines is 52% 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 $261. Air Canada flights start at $582 while deals on Delta start at $743 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$605Average$794FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,023Average$1,358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,024Average$1,257FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,063Average$1,375FlexibilityNo cancel feeOn-timeN/A

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