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

Airlines like LATAM Airlines, Copa Airlines, and United Airlines fly from San Diego to Buenos Aires in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 13h 03m. 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 ($550), American Airlines ($854), and Delta ($975) offers the cheapest pricing from San Diego to Buenos Aires. Copa Airlines is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

What are the most popular airlines that fly from San Diego to Buenos Aires?

Before booking your flight from San Diego to Buenos Aires check out the most popular airlines for this route: United Airlines, American Airlines or Delta.

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.

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.

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.

$376+ Flights from San Diego to Buenos Aires

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

Airfare is below average for this route at the moment. San Diego to Buenos Aires flights typically cost between $1,134 and $1,584 in March. The cheapest round-trip price found within the last 3 days was $756 on LATAM Airlines (Mar 9-Mar 13).

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Find cheap flights from San Diego to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap 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 December 23, 2025.

Wed 12/248:12 pmSAN - EZE

1 stop21h 19mCopa Airlines

Thu 12/253:41 amEZE - SAN

1 stop18h 56mCopa Airlines

Deal found 12/20

$1,084

Wed 12/3112:11 pmSAN - EZE

1 stop16h 09mUnited Airlines

Tue 3/310:05 pmEZE - SAN

1 stop23h 33mUnited Airlines

Deal found 12/19

$1,121

Fri 12/266:20 amSAN - AEP

2 stops26h 40mLATAM Airlines

Wed 12/313:40 pmAEP - SAN

2 stops28h 53mLATAM Airlines

Deal found 12/21

$1,125

Wed 12/3110:25 amSAN - EZE

1 stop15h 55mUnited Airlines

Fri 2/2710:05 pmEZE - SAN

1 stop18h 09mUnited Airlines

Deal found 12/20

$1,161

Tue 12/2312:11 pmSAN - EZE

1 stop16h 09mUnited Airlines

Wed 12/3111:55 pmEZE - SAN

1 stop25h 21mUnited Airlines

Deal found 12/21

$1,216

Tue 12/239:00 amSAN - EZE

2 stops19h 20mUnited Airlines

Tue 1/1311:55 pmEZE - SAN

2 stops22h 33mUnited Airlines

Deal found 12/22

$1,220

Mon 12/2210:25 amSAN - EZE

1 stop17h 55mUnited Airlines

Mon 12/2911:55 pmEZE - SAN

1 stop27h 01mUnited Airlines

Deal found 12/21

$1,229

Sun 12/215:10 pmSAN - EZE

1 stop35h 10mUnited Airlines

Tue 12/3010:05 pmEZE - SAN

2 stops24h 29mUnited Airlines

Deal found 12/21

$1,233

Sun 12/216:55 pmSAN - EZE

2 stops33h 25mUnited Airlines

Sun 12/2811:55 pmEZE - SAN

2 stops20h 06mUnited Airlines

Deal found 12/21

$1,245

Tue 12/2311:25 amSAN - EZE

1 stop14h 55mMultiple Airlines

Tue 1/1311:55 pmEZE - SAN

1 stop18h 00mMultiple Airlines

Deal found 12/22

$1,266

Wed 12/246:15 amSAN - AEP

2 stops20h 40mLATAM Airlines

Wed 12/313:40 pmAEP - SAN

2 stops28h 53mLATAM Airlines

Deal found 12/21

$1,308

Tue 12/238:00 amSAN - AEP

2 stops28h 00mLATAM Airlines

Fri 12/263:40 pmAEP - SAN

2 stops28h 53mLATAM Airlines

Deal found 12/19

$1,311

Best flights from San Diego to Buenos Aires
Discover carefully curated flight deals from San Diego to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Mon 3/911:02 amSAN - AEP

2 stops27h 38mLATAM Airlines

Fri 3/136:20 pmAEP - SAN

2 stops24h 32mLATAM Airlines

Deal found 12/19

$756

Mon 1/58:16 pmSAN - EZE

1 stop24h 42mCopa Airlines

Thu 1/292:27 amEZE - SAN

1 stop20h 14mCopa Airlines

Deal found 12/20

$906

Tue 3/31:45 pmSAN - EZE

1 stop14h 35mUnited Airlines

Thu 3/1910:55 pmEZE - SAN

1 stop16h 15mUnited Airlines

Deal found 12/20

$936

Tue 3/38:00 amSAN - EZE

2 stops21h 15mDelta

Tue 3/1710:25 pmEZE - SAN

2 stops24h 51mDelta

Deal found 12/20

$940

Thu 3/2611:02 amSAN - EZE

1 stop17h 58mLATAM Airlines

Tue 4/74:45 pmEZE - SAN

2 stops32h 03mLATAM Airlines

Deal found 12/21

$831

Mon 2/28:17 pmSAN - EZE

1 stop21h 17mCopa Airlines

Tue 2/102:27 amEZE - SAN

1 stop19h 46mCopa Airlines

Deal found 12/21

$906

Thu 3/261:25 pmSAN - AEP

2 stops28h 05mLATAM Airlines

Tue 4/75:05 pmAEP - SAN

2 stops29h 46mLATAM Airlines

Deal found 12/19

$831

Wed 3/410:30 amSAN - EZE

1 stop17h 50mUnited Airlines

Thu 3/1910:55 pmEZE - SAN

1 stop16h 15mUnited Airlines

Deal found 12/20

$936

Mon 3/96:21 amSAN - EZE

2 stops23h 54mDelta

Thu 3/2610:25 pmEZE - SAN

2 stops24h 26mDelta

Deal found 12/21

$940

Wed 1/288:16 pmSAN - EZE

1 stop21h 18mCopa Airlines

Sun 2/83:47 amEZE - SAN

1 stop18h 26mCopa Airlines

Deal found 12/22

$926

Tue 3/310:30 amSAN - EZE

1 stop15h 50mUnited Airlines

Tue 3/179:05 pmEZE - SAN

1 stop18h 05mUnited Airlines

Deal found 12/20

$936

Tue 3/311:16 amSAN - AEP

2 stops23h 44mLATAM Airlines

Wed 3/113:40 pmAEP - SAN

2 stops25h 13mLATAM Airlines

Deal found 12/20

$936

Sun 3/86:55 pmSAN - EZE

2 stops33h 25mUnited Airlines

Thu 3/1910:55 pmEZE - SAN

2 stops24h 53mUnited Airlines

Deal found 12/20

$940

Sat 3/282:05 pmSAN - AEP

2 stops25h 35mLATAM Airlines

Tue 4/78:05 pmAEP - SAN

2 stops20h 48mLATAM Airlines

Deal found 12/20

$1,058

Wed 4/18:00 amSAN - AEP

2 stops26h 40mLATAM Airlines

Sat 4/113:40 pmAEP - SAN

2 stops27h 12mLATAM Airlines

Deal found 12/20

$1,058

Last-minute flights from San Diego to Buenos Aires
Discover last-minute flight deals from San Diego to Buenos Aires. Data last updated December 23, 2025 and is based on user searches.

Wed 12/248:12 pmSAN - EZE

1 stop21h 19mCopa Airlines

Thu 12/253:41 amEZE - SAN

1 stop18h 56mCopa Airlines

Deal found 12/20

$1,084

Fri 12/266:20 amSAN - AEP

2 stops26h 40mLATAM Airlines

Wed 12/313:40 pmAEP - SAN

2 stops28h 53mLATAM Airlines

Deal found 12/21

$1,125

Fri 1/211:25 amSAN - EZE

1 stop16h 35mLATAM Airlines

Sun 3/17:10 amEZE - SAN

2 stops33h 50mLATAM Airlines

Deal found 12/19

$889

Mon 1/58:16 pmSAN - EZE

1 stop21h 18mCopa Airlines

Thu 1/292:27 amEZE - SAN

1 stop20h 14mCopa Airlines

Deal found 12/22

$906

Mon 1/58:16 pmSAN - EZE

2 stops29h 39mMultiple Airlines

Thu 1/293:30 amEZE - SAN

3 stops49h 01mMultiple Airlines

Deal found 12/21

$1,070

Tue 1/68:16 pmSAN - EZE

1 stop24h 42mCopa Airlines

Tue 3/33:47 amEZE - SAN

1 stop18h 27mCopa Airlines

Deal found 12/21

$886

Tue 1/68:16 pmSAN - EZE

1 stop21h 18mMultiple Airlines

Wed 3/47:00 pmEZE - SAN

2 stops19h 55mMultiple Airlines

Deal found 12/21

$1,098

Thu 1/810:37 amSAN - AEP

2 stops18h 53mLATAM Airlines

Thu 1/228:25 pmAEP - SAN

2 stops18h 32mLATAM Airlines

Deal found 12/21

$1,214

Mon 1/198:16 pmSAN - EZE

1 stop21h 18mCopa Airlines

Sun 1/252:27 amEZE - SAN

1 stop20h 14mCopa Airlines

Deal found 12/20

$1,040

Tue 1/2010:37 amSAN - AEP

2 stops18h 53mLATAM Airlines

Tue 1/2712:40 pmAEP - SAN

3 stops29h 15mLATAM Airlines

Deal found 12/21

$1,194

Wed 1/288:16 pmSAN - EZE

1 stop21h 18mCopa Airlines

Sun 2/83:47 amEZE - SAN

1 stop18h 26mCopa Airlines

Deal found 12/20

$926

Wed 1/287:10 amSAN - EZE

2 stops19h 00mAmerican Airlines

Mon 2/910:25 pmEZE - SAN

2 stops18h 15mAmerican Airlines

Deal found 12/21

$1,102

One-way flights from San Diego to Buenos Aires
Search for one-way flight options from San Diego to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sun 2/151:42 pmSAN - EZE

3 stops29h 23mMultiple Airlines

Deal found 12/21

$376

Sat 3/712:40 pmSAN - EZE

3 stops36h 10mMultiple Airlines

Deal found 12/21

$379

Thu 1/82:24 pmSAN - AEP

3 stops36h 31mMultiple Airlines

Deal found 12/21

$384

Thu 1/86:36 amSAN - EZE

3 stops43h 44mMultiple Airlines

Deal found 12/21

$394

Wed 2/117:11 amSAN - EZE

3 stops58h 23mMultiple Airlines

Deal found 12/21

$396

Tue 5/197:59 pmSAN - EZE

3 stops24h 11mMultiple Airlines

Deal found 12/22

$399

Tue 12/3011:25 amSAN - EZE

2 stops34h 40mLATAM Airlines

Deal found 12/22

$400

Mon 12/298:12 pmSAN - EZE

1 stop23h 46mCopa Airlines

Deal found 12/22

$401

Sat 3/76:30 amSAN - AEP

2 stops35h 30mMultiple Airlines

Deal found 12/21

$401

Tue 5/197:30 pmSAN - AEP

3 stops45h 30mMultiple Airlines

Deal found 12/22

$411

Sat 12/276:15 amSAN - EZE

2 stops43h 40mMultiple Airlines

Deal found 12/20

$439

Sat 12/276:15 amSAN - AEP

2 stops40h 25mMultiple Airlines

Deal found 12/20

$439

Find flight deals from San Diego to Buenos Aires

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$756 (LATAM Airlines)
One-way from	$376 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$1,465

Provider with most accurate pricing for San Diego-Buenos Aires (BUE) flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Diego-Buenos Aires (BUE) flights.

Search Deals

From San Diego to Buenos Aires (BUE)

Search Deals

One-way flight from San Diego to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($8 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Mon 3/9

11:02 am-6:40 pm

2 stops27h 38m

Buenos Aires Jorge Newbery

Fri 3/13

6:20 pm-2:52 pm

2 stops24h 32m

$756

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Thu 3/26

11:02 am-9:00 am

1 stop17h 58m

Buenos Aires Ministro Pistarini

Tue 4/7

4:45 pm-8:48 pm

2 stops32h 03m

$831

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Thu 3/26

1:25 pm-9:30 pm

2 stops28h 05m

Buenos Aires Jorge Newbery

Tue 4/7

5:05 pm-6:51 pm

2 stops29h 46m

$831

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 1/5

8:16 pm-1:58 am

1 stop24h 42m

Buenos Aires Ministro Pistarini

Thu 1/29

2:27 am-5:41 pm

1 stop20h 14m

$906

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Mon 2/2

8:17 pm-10:34 pm

1 stop21h 17m

Buenos Aires Ministro Pistarini

Tue 2/10

2:27 am-5:13 pm

1 stop19h 46m

$906

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Wed 1/28

8:16 pm-10:34 pm

1 stop21h 18m

Buenos Aires Ministro Pistarini

Sun 2/8

3:47 am-5:13 pm

1 stop18h 26m

$926

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 3/3

1:45 pm-9:20 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-11:10 am

1 stop16h 15m

$936

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Wed 3/4

10:30 am-9:20 am

1 stop17h 50m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-11:10 am

1 stop16h 15m

$936

San DiegoBuenos Aires

SAN - EZE

SANEZE

San Diego

Tue 3/3

10:30 am-7:20 am

1 stop15h 50m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-11:10 am

1 stop18h 05m

$936

San DiegoBuenos Aires

SAN - AEP

SANAEP

San Diego

Tue 3/3

11:16 am-4:00 pm

2 stops23h 44m

Buenos Aires Jorge Newbery

Wed 3/11

3:40 pm-12:53 pm

2 stops25h 13m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 33 results

Compare providers for flights from San Diego to Buenos Aires

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 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?

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 $572). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,156). 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?

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

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.

Delta

7.9

Good

8,014 reviews

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

7.9

Good

8,014 reviews

Delta

7.9

Good

8,014 reviews

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

7.6

Good

1,557 reviews

Delta

7.9

Good

8,014 reviews

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

1,894 reviews

Delta

7.9

Good

8,014 reviews

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

9,106 reviews

Delta

7.9

Good

8,014 reviews

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

11,050 reviews

Delta

7.9

Good

8,014 reviews

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

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 LATAM Airlines, Copa Airlines, and United Airlines fly from San Diego to Buenos Aires in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 13h 03m. 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 ($550), American Airlines ($854), and Delta ($975) offers the cheapest pricing from San Diego to Buenos Aires. Copa Airlines is 54% 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 $572). Flying from San Diego to Buenos Aires in December is currently the most expensive (average of $1,156). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from San Diego to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$557	Average$794	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$854	Average$1,379	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$975	Average$1,199	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$1,009	Average$1,275	FlexibilityNo cancel fee	On-time69%

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$376+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheap flight deals from San Diego to Buenos Aires

Cheapest flights from San Diego to Buenos AiresExplore 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 December 23, 2025.

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 December 23, 2025.

Find flight deals from San Diego to Buenos Aires

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Buenos Aires that are best for you.

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 December.

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.

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 December 19, 2025.

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

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 December 23, 2025.

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

Reviews of airlines servicing Buenos Aires

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.

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?

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

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

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

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

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

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

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Alternative routes for San Diego to Buenos Aires

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Top 4 airlines flying from San Diego to Buenos Aires

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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 December 23, 2025.