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$336+ Cheap flights from Irvine, CA 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUE
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap flight deals from Irvine to Buenos Aires

Keep the following information in mind while searching for Irvine to Buenos Aires flight deals. Data was last updated January 7, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$752
(KAYAK)

One-way from

$336
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$968
Provider with most accurate pricing for Los Angeles-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Buenos Aires (BUE) flights.
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From Irvine to Buenos Aires (BUE)
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One-way flight from Irvine to Buenos Aires (BUE)
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Highest demand for flights based on searches. 9% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Irvine to Buenos Aires

Cheapest flights from Irvine to Buenos Aires
Explore the most affordable flight options available from Irvine to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This Priceline deal was found by Cheapflights users on 1/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:24 amLAX - EZE
1 stop20h 11mMultiple Airlines
Wed 3/184:55 pmEZE - LAX
3 stops24h 35mMultiple Airlines
Deal found 1/6$755
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Mon 3/91:15 pmLAX - EZE
1 stop17h 00mMultiple Airlines
Mon 3/164:55 pmEZE - LAX
2 stops23h 40mMultiple Airlines
Deal found 1/6$756
This FlightHub deal was found by Cheapflights users on 1/6. 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 4/299:30 pmLAX - AEP
1 stop17h 00mLATAM Airlines
Wed 5/137:40 pmAEP - LAX
1 stop16h 05mLATAM Airlines
Deal found 1/6$756
This KAYAK deal was found by Cheapflights users on 1/7. 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.
Fri 3/139:24 amLAX - EZE
1 stop20h 11mLATAM Airlines
Sun 3/227:04 pmEZE - LAX
1 stop16h 11mLATAM Airlines
Deal found 1/7$757
This LATAM Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 4/2912:10 pmLAX - AEP
2 stops23h 50mLATAM Airlines
Sun 5/33:40 pmAEP - LAX
1 stop20h 05mLATAM Airlines
Deal found 1/6$757
This Gotogate deal was found by Cheapflights users on 1/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:50 pmLAX - EZE
2 stops24h 53mMultiple Airlines
Tue 3/34:55 pmEZE - LAX
2 stops34h 05mMultiple Airlines
Deal found 1/7$758
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Wed 5/1311:35 amLAX - AEP
1 stop16h 05mMultiple Airlines
Wed 5/207:00 amAEP - LAX
2 stops19h 10mMultiple Airlines
Deal found 1/6$758
This United Airlines deal was found by Cheapflights users on 1/5. 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 2/248:20 amLAX - EZE
1 stop20h 00mUnited Airlines
Thu 3/511:55 pmEZE - LAX
1 stop25h 52mUnited Airlines
Deal found 1/5$759
This Mytrip deal was found by Cheapflights users on 1/5. 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 2/22:05 pmLAX - EZE
1 stop23h 38mMultiple Airlines
Thu 2/194:55 pmEZE - LAX
2 stops23h 40mMultiple Airlines
Deal found 1/5$760
This Trip.com deal was found by Cheapflights users on 1/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 amLAX - AEP
1 stop16h 25mLATAM Airlines
Tue 4/79:05 pmAEP - LAX
2 stops25h 45mLATAM Airlines
Deal found 1/6$760
This Delta deal was found by Cheapflights users on 1/4. 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 9/19:15 amLAX - EZE
2 stops20h 30mDelta
Tue 9/157:45 amEZE - LAX
1 stop15h 15mDelta
Deal found 1/4$761
This Delta deal was found by Cheapflights users on 1/6. 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.
Mon 4/2711:35 amLAX - EZE
1 stop14h 35mDelta
Mon 5/117:45 amEZE - LAX
2 stops30h 16mDelta
Deal found 1/6$762

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 January 7, 2026.
Use the filters below to find and compare flights from Irvine to Buenos Aires that are best for you.

Fly from

Irvine

Fly to

Buenos Aires

Route

Depart

Return

Price

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Wed 3/4

10:30 am-7:55 am

1 stop16h 25m

Buenos Aires Jorge Newbery

Sun 3/8

6:20 pm-7:20 am

1 stop17h 00m

$757

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 3/1

11:43 am-7:20 am

1 stop14h 37m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-2:36 pm

1 stop19h 41m

$759

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sat 2/28

7:00 am-9:20 am

1 stop21h 20m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-8:47 pm

1 stop25h 52m

$759

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Mon 4/27

11:35 am-6:10 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Mon 5/11

7:45 am-10:01 am

2 stops30h 16m

$762

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 4/26

11:35 am-6:10 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Wed 5/13

7:45 am-12:26 am

2 stops20h 41m

$762

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Mon 4/6

2:09 am-2:30 am

1 stop20h 21m

Buenos Aires Ministro Pistarini

Thu 5/14

9:02 am-11:36 pm

1 stop18h 34m

$767

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 4/5

2:37 am-10:25 pm

1 stop15h 48m

Buenos Aires Ministro Pistarini

Mon 4/13

9:11 am-11:19 pm

1 stop18h 08m

$767

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Wed 4/29

7:10 am-9:45 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Thu 5/14

7:45 am-10:01 am

2 stops30h 16m

$767

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Wed 3/11

2:06 am-1:57 am

1 stop19h 51m

Buenos Aires Ministro Pistarini

Mon 3/16

9:16 am-11:29 pm

1 stop18h 13m

$767

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Thu 2/5

7:45 am-10:15 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Tue 2/24

8:00 am-6:00 pm

1 stop15h 00m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 41 results
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Best time to book a flight from Irvine to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Irvine 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 Irvine to Buenos Aires

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Buenos Aires. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Irvine to Buenos Aires, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Irvine to Buenos Aires (average of $268). Flying from Irvine to Buenos Aires in June is currently the most expensive (average of $781). 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.

How much does it cost to fly round-trip from Irvine 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 January 7, 2026.
Read through reviews of airlines operating flights from Irvine to Buenos Aires, such as Delta, Copa Airlines, and LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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
7.6
Good
1,564 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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
1,898 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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
9,138 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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.
American Airlines
7.2
Good
11,088 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

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 Irvine to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Irvine to Buenos Aires?

    Airlines like LATAM Airlines, United Airlines, and Delta fly from Irvine to Buenos Aires in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 1h 50m. The distance between Irvine and Buenos Aires is about 6123 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Irvine to Buenos Aires are Copa Airlines ($269), Avianca ($281), and American Airlines ($324).

  • What are the most popular routes from Irvine to Buenos Aires?

    Most travelers choose Los Angeles - Buenos Aires Ministro Pistarini, Los Angeles - Buenos Aires Jorge Newbery or Los Angeles - El Palomar when deciding on the best route from Irvine to Buenos Aires.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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 Irvine to Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Irvine to Buenos Aires (average of $268). Flying from Irvine to Buenos Aires in June is currently the most expensive (average of $781). 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 Irvine to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Irvine to Buenos Aires

Discover the top 6 airlines that operate flights from Irvine 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$432Average$849FlexibilityNo cancel feeOn-time71%
DeltaCheapest$540Average$976FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$577Average$967FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$654Average$1,091FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$681Average$979FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$748Average$1,004FlexibilityNo cancel feeOn-time81%

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