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$431+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUE
May 4 — May 111
Sun 5/4
Sun 5/11
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 15 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$605
(Copa Airlines)

One-way from

$431
(Avianca)

Popular in

December

Cheapest in

October

Average price

$1,280
Provider with most accurate pricing for San Diego-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for San Diego-Buenos Aires (BUE) flights.
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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 ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 10/39:07 pmSAN - EZE
1 stop23h 37mCopa Airlines
Sun 10/122:13 amEZE - SAN
1 stop19h 44mCopa Airlines
Deal found 4/27$605
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:15 amSAN - EZE
2 stops21h 45mUnited Airlines
Tue 7/299:00 pmEZE - SAN
2 stops24h 32mUnited Airlines
Deal found 4/28$1,016
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:18 pmSAN - EZE
1 stop17h 27mDelta
Wed 11/198:55 pmEZE - SAN
1 stop18h 11mDelta
Deal found 4/28$1,025
This LATAM Airlines deal was found by Cheapflights users on 4/28. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/22:00 pmSAN - AEP
2 stops22h 00mLATAM Airlines
Wed 11/193:40 pmAEP - SAN
2 stops22h 39mLATAM Airlines
Deal found 4/28$1,025
This American Airlines deal was found by Cheapflights users on 4/29. 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 12/86:29 amSAN - EZE
1 stop21h 41mAmerican Airlines
Mon 12/1510:30 pmEZE - SAN
1 stop26h 33mAmerican Airlines
Deal found 4/29$1,028
This LATAM Airlines deal was found by Cheapflights users on 4/29. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amSAN - EZE
2 stops30h 45mLATAM Airlines
Sat 11/157:00 pmEZE - SAN
2 stops19h 19mLATAM Airlines
Deal found 4/29$1,129
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Fri 6/137:31 pmSAN - EZE
3 stops27h 54mMultiple Airlines
Mon 6/238:30 pmEZE - SAN
3 stops27h 08mMultiple Airlines
Deal found 4/28$1,211
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:00 amSAN - EZE
3 stops50h 30mAir Canada
Wed 5/144:35 pmEZE - SAN
2 stops23h 18mAir Canada
Deal found 4/28$1,234
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Thu 6/195:50 pmSAN - AEP
3 stops33h 10mMultiple Airlines
Tue 7/155:45 amAEP - SAN
3 stops34h 00mMultiple Airlines
Deal found 4/28$1,451
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:24 pmSAN - AEP
2 stops20h 36mGOL
Tue 5/133:40 amAEP - SAN
2 stops22h 57mGOL
Deal found 4/28$3,154
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 12/1910:00 amSAN - AEP
2 stops22h 15mDelta
Fri 1/92:50 pmAEP - SAN
2 stops23h 29mDelta
Deal found 4/29$8,285

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 April 29, 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

Fri 10/3

9:07 pm-12:44 am

1 stop23h 37m

Buenos Aires Ministro Pistarini

Sun 10/12

2:13 am-5:57 pm

1 stop19h 44m

$605

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 7/1

6:15 am-8:00 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Tue 7/29

9:00 pm-5:32 pm

2 stops24h 32m

$1,016

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 9/2

6:20 am-5:55 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Wed 11/19

8:55 pm-5:28 pm

1 stop25h 33m

$1,025

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Tue 9/2

2:00 pm-4:00 pm

2 stops22h 00m

Buenos Aires Jorge Newbery

Wed 11/19

3:40 pm-9:19 am

2 stops22h 39m

$1,025

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 10/3

7:00 am-11:48 am

2 stops24h 48m

Buenos Aires Ministro Pistarini

Sun 10/12

3:55 am-10:54 pm

2 stops22h 59m

$1,177

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 5/13

10:25 pm-7:15 am

1 stop28h 50m

Buenos Aires Ministro Pistarini

Tue 5/27

8:50 pm-10:37 pm

1 stop29h 47m

$1,191

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Fri 6/13

7:31 pm-3:25 am

3 stops27h 54m

Buenos Aires Ministro Pistarini

Mon 6/23

8:30 pm-7:38 pm

3 stops27h 08m

$1,211

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 9/2

6:15 am-2:30 pm

3 stops28h 15m

Buenos Aires Ministro Pistarini

Wed 11/19

5:00 pm-10:53 am

2 stops22h 53m

$1,253

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Thu 6/19

5:50 pm-7:00 am

3 stops33h 10m

Buenos Aires Jorge Newbery

Tue 7/15

5:45 am-11:45 am

3 stops34h 00m

$1,451

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Sat 8/16

6:30 am-5:45 am

2 stops19h 15m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

Compare providers for flights from San Diego to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Buenos Aires in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Buenos Aires flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Diego-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Buenos Aires flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 25, 2025.

Booking 14 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 April 29, 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 April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
1,767 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
1,411 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

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. 3 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), United Airlines ($1,016), and Delta ($1,025) 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 $495. Air Canada flights start at $631 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 3 airlines flying from San Diego to Buenos Aires

Discover the top 3 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$763Average$1,301FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,013Average$1,249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,023Average$1,365FlexibilityNo cancel feeOn-time71%

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