Buenos Aires

$359+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BUE
nov. 29 — dic. 61
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Buenos Aires are usually found in November or September, booked 78 days in advance, depart on a Wednesday or Saturday and return on a Monday

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 octubre 30, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:12 pmSAN - EZE
1 stop21h 19mCopa Airlines
lun. 12/155:16 amEZE - SAN
1 stop17h 21mCopa Airlines
Deal found 10/29$683
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2710:35 pmSAN - EZE
1 stop27h 50mAmerican Airlines
jue. 12/410:30 pmEZE - SAN
1 stop26h 46mAmerican Airlines
Deal found 10/30$694
This United Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 11/81:47 pmSAN - EZE
1 stop14h 33mUnited Airlines
mié. 11/2611:55 pmEZE - SAN
1 stop21h 30mUnited Airlines
Deal found 10/29$695
This United Airlines deal was found by Cheapflights users on 10/29. 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.
vie. 12/512:08 pmSAN - EZE
1 stop16h 12mUnited Airlines
lun. 12/1511:55 pmEZE - SAN
2 stops29h 20mUnited Airlines
Deal found 10/29$699
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/71:47 pmSAN - EZE
1 stop14h 33mUnited Airlines
dom. 11/911:55 pmEZE - SAN
2 stops25h 53mUnited Airlines
Deal found 10/28$730
This FlightHub deal was found by Cheapflights users on 10/29. 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.
mar. 12/24:04 pmSAN - AEP
2 stops46h 36mLATAM Airlines
vie. 12/512:40 pmAEP - SAN
2 stops25h 36mLATAM Airlines
Deal found 10/29$733
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/215:50 pmSAN - EZE
1 stop32h 30mUnited Airlines
dom. 12/711:55 pmEZE - SAN
1 stop23h 26mUnited Airlines
Deal found 10/30$735
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/73:59 pmSAN - EZE
2 stops29h 51mLATAM Airlines
vie. 11/217:43 pmEZE - SAN
2 stops18h 32mLATAM Airlines
Deal found 10/30$756
This Copa Airlines deal was found by Cheapflights users on 10/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:12 pmSAN - EZE
1 stop21h 19mCopa Airlines
lun. 12/82:15 amEZE - SAN
2 stops22h 37mCopa Airlines
Deal found 10/28$833
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:15 amSAN - AEP
2 stops21h 40mLATAM Airlines
sáb. 11/82:55 pmAEP - SAN
2 stops26h 07mLATAM Airlines
Deal found 10/29$841
This lol.travel deal was found by Cheapflights users on 10/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:24 amSAN - AEP
2 stops31h 16mLATAM Airlines
jue. 12/42:55 pmAEP - SAN
2 stops23h 21mLATAM Airlines
Deal found 10/30$856
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/287:59 pmSAN - AEP
2 stops37h 41mLATAM Airlines
jue. 12/43:40 pmAEP - SAN
2 stops22h 36mLATAM Airlines
Deal found 10/29$858

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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$632
(LATAM Airlines)

One-way from

$359
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,173
Provider with most accurate pricing for San Diego-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for San Diego-Buenos Aires (BUE) flights.
From San Diego to Buenos Aires (BUE)
One-way flight from San Diego to Buenos Aires (BUE)
Highest demand for flights based on searches. 5% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 octubre 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

lun. 12/1

8:12 pm-10:31 pm

1 stop21h 19m

Buenos Aires Ministro Pistarini

mar. 12/9

5:16 am-5:37 pm

1 stop17h 21m

$683

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

lun. 1/5

8:00 am-7:20 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

vie. 1/30

11:55 pm-8:49 pm

2 stops25h 54m

$717

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

lun. 1/12

7:45 am-9:20 am

2 stops20h 35m

Buenos Aires Ministro Pistarini

mié. 1/21

11:55 pm-6:34 pm

2 stops23h 39m

$730

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

vie. 11/21

5:50 pm-7:20 am

1 stop32h 30m

Buenos Aires Ministro Pistarini

dom. 12/7

11:55 pm-5:35 pm

2 stops22h 40m

$740

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

mar. 12/2

4:04 pm-6:40 pm

2 stops21h 36m

Buenos Aires Jorge Newbery

vie. 12/5

12:40 pm-9:16 am

2 stops25h 36m

$766

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

mié. 3/18

7:38 pm-4:18 am

2 stops28h 40m

Buenos Aires Ministro Pistarini

jue. 3/26

2:31 am-6:14 pm

1 stop19h 43m

$827

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

dom. 1/11

6:30 am-7:20 am

2 stops19h 50m

Buenos Aires Ministro Pistarini

sáb. 1/24

11:55 pm-5:28 pm

2 stops22h 33m

$867

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

lun. 12/1

8:00 am-9:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

sáb. 1/24

11:55 pm-7:54 pm

2 stops24h 59m

$867

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

sáb. 3/28

5:42 pm-8:00 am

1 stop34h 18m

Buenos Aires Ministro Pistarini

mar. 4/7

9:00 pm-5:49 pm

2 stops24h 49m

$874

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

mar. 1/27

6:30 am-7:55 am

2 stops20h 25m

Buenos Aires Jorge Newbery

mar. 2/3

5:15 pm-9:58 am

2 stops21h 43m

$891

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 34 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Buenos Aires flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

Booking 78 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, September is the cheapest month in which you can book a flight from San Diego to Buenos Aires (average of $569). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,170). 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 octubre 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 evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.

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 octubre 30, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, and LATAM 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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

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.

  • How long is the flight from San Diego to Buenos Aires?

    Airlines like Copa Airlines, United Airlines, and LATAM Airlines fly from San Diego to Buenos Aires in about 18h 20m. The time it takes to get you to your destination can typically vary by up to 3h 16m. There are 6015 mi between San Diego and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Copa Airlines ($557), American Airlines ($1,023), and Delta ($1,025) 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.

  • 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, September is the cheapest month in which you can book a flight from San Diego to Buenos Aires (average of $569). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,170). 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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Alternative routes for San Diego to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$557Average$695FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,023Average$1,379FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,025Average$1,270FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,025Average$1,288FlexibilityNo cancel feeOn-time69%

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