How long is the flight from Irvine to Buenos Aires?

Airlines like United Airlines, LATAM 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 4h 10m. 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 Delta ($333), LATAM Airlines ($333), and United Airlines ($334).

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 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.

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

Consider LATAM Airlines, United Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying 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.

$333+ Cheap Flights from Irvine to Buenos Aires

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Find cheap flights from Irvine 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 Irvine to Buenos Aires are usually found in September or October, booked 62 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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 October 30, 2025.

Wed 11/121:15 pmLAX - EZE

1 stop15h 05mUnited Airlines

Tue 11/1810:05 pmEZE - LAX

1 stop16h 04mUnited Airlines

Deal found 10/28

$605

Tue 11/1110:02 amLAX - EZE

2 stops17h 08mAmerican Airlines

Wed 11/1910:25 pmEZE - LAX

1 stop16h 14mAmerican Airlines

Deal found 10/30

$609

Sat 11/84:10 pmLAX - EZE

1 stop34h 10mUnited Airlines

Fri 11/2110:05 pmEZE - LAX

1 stop25h 02mUnited Airlines

Deal found 10/28

$613

Wed 11/2612:59 amLAX - EZE

1 stop26h 21mAmerican Airlines

Fri 12/1211:20 pmEZE - LAX

2 stops19h 22mAmerican Airlines

Deal found 10/28

$617

Tue 11/118:35 amLAX - EZE

2 stops17h 25mAmerican Airlines

Wed 12/109:40 pmEZE - LAX

1 stop17h 16mAmerican Airlines

Deal found 10/29

$619

Fri 11/2810:02 amLAX - EZE

2 stops17h 18mAmerican Airlines

Fri 12/511:20 pmEZE - LAX

1 stop26h 00mAmerican Airlines

Deal found 10/30

$620

Mon 12/112:55 amLAX - EZE

1 stop25h 25mUnited Airlines

Sun 12/711:55 pmEZE - LAX

1 stop36h 45mUnited Airlines

Deal found 10/28

$622

Sat 11/1512:50 pmLAX - EZE

1 stop33h 15mLATAM Airlines

Mon 11/176:55 amEZE - LAX

2 stops28h 20mLATAM Airlines

Deal found 10/29

$641

Sun 11/210:30 amLAX - AEP

1 stop27h 10mLATAM Airlines

Tue 11/46:20 pmAEP - LAX

1 stop17h 00mLATAM Airlines

Deal found 10/29

$641

Thu 11/137:35 amLAX - EZE

1 stop20h 45mUnited Airlines

Tue 12/911:55 pmEZE - LAX

1 stop19h 32mUnited Airlines

Deal found 10/29

$646

Thu 11/61:05 pmLAX - EZE

1 stop14h 55mAmerican Airlines

Wed 11/1910:25 pmEZE - LAX

1 stop17h 26mAmerican Airlines

Deal found 10/28

$647

Wed 11/196:00 amLAX - EZE

1 stop20h 20mUnited Airlines

Thu 11/2711:55 pmEZE - LAX

1 stop19h 27mUnited Airlines

Deal found 10/29

$649

Best flights from Irvine to Buenos Aires
Discover carefully curated flight deals from Irvine to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Thu 1/227:35 amLAX - EZE

1 stop18h 45mUnited Airlines

Thu 1/2911:55 pmEZE - LAX

1 stop23h 20mUnited Airlines

Deal found 10/29

$605

Fri 11/142:30 pmLAX - AEP

1 stop15h 00mLATAM Airlines

Sat 11/2211:30 amAEP - LAX

1 stop23h 45mLATAM Airlines

Deal found 10/28

$751

Wed 1/710:30 amLAX - EZE

1 stop14h 35mDelta

Fri 1/2310:25 pmEZE - LAX

1 stop19h 55mDelta

Deal found 10/28

$761

Wed 12/310:30 amLAX - AEP

2 stops19h 00mMultiple Airlines

Wed 12/107:00 amAEP - LAX

2 stops20h 00mMultiple Airlines

Deal found 10/27

$767

Wed 12/312:52 amLAX - EZE

1 stop16h 39mCopa Airlines

Mon 12/83:41 amEZE - LAX

1 stop17h 24mCopa Airlines

Deal found 10/27

$786

Sun 2/227:00 amLAX - EZE

1 stop21h 20mUnited Airlines

Tue 3/109:05 pmEZE - LAX

1 stop28h 44mUnited Airlines

Deal found 10/29

$613

Thu 11/137:35 amLAX - EZE

1 stop18h 45mUnited Airlines

Sat 11/2211:55 pmEZE - LAX

1 stop21h 12mUnited Airlines

Deal found 10/28

$655

Wed 3/410:30 amLAX - AEP

1 stop16h 25mLATAM Airlines

Sun 3/85:15 pmAEP - LAX

1 stop18h 35mLATAM Airlines

Deal found 10/30

$751

Sun 3/87:00 amLAX - EZE

1 stop20h 20mDelta

Tue 3/178:55 pmEZE - LAX

1 stop23h 14mDelta

Deal found 10/28

$766

Mon 12/89:04 pmLAX - EZE

1 stop23h 54mCopa Airlines

Mon 12/153:41 amEZE - LAX

1 stop17h 24mCopa Airlines

Deal found 10/29

$786

Tue 11/259:37 amLAX - AEP

2 stops28h 03mMultiple Airlines

Mon 12/19:05 pmAEP - LAX

2 stops43h 25mMultiple Airlines

Deal found 10/28

$815

Thu 11/2710:30 amLAX - AEP

1 stop16h 25mLATAM Airlines

Fri 12/123:40 pmAEP - LAX

1 stop19h 35mLATAM Airlines

Deal found 10/29

$751

Wed 11/196:20 amLAX - EZE

2 stops20h 00mDelta

Thu 11/2710:25 pmEZE - LAX

1 stop19h 34mDelta

Deal found 10/29

$770

Sun 3/810:15 pmLAX - AEP

2 stops29h 40mLATAM Airlines

Tue 3/1711:30 amAEP - LAX

1 stop23h 45mLATAM Airlines

Deal found 10/28

$756

Sun 3/19:50 pmLAX - EZE

2 stops31h 25mDelta

Fri 3/134:05 amEZE - LAX

2 stops22h 06mDelta

Deal found 10/28

$770

Mon 12/811:40 amLAX - EZE

1 stop14h 40mUnited Airlines

Tue 3/319:00 pmEZE - LAX

1 stop25h 10mUnited Airlines

Deal found 10/29

$782

Mon 12/810:30 amLAX - AEP

1 stop16h 25mLATAM Airlines

Tue 12/169:05 pmAEP - LAX

2 stops42h 25mLATAM Airlines

Deal found 10/30

$767

Sun 1/49:30 amLAX - EZE

1 stop18h 30mDelta

Fri 1/2310:25 pmEZE - LAX

2 stops25h 15mDelta

Deal found 10/28

$770

Tue 11/116:20 amLAX - EZE

2 stops21h 40mDelta

Wed 11/198:55 pmEZE - LAX

2 stops22h 50mDelta

Deal found 10/30

$770

Fri 11/282:30 pmLAX - AEP

1 stop24h 10mLATAM Airlines

Fri 12/58:25 pmAEP - LAX

1 stop26h 35mLATAM Airlines

Deal found 10/29

$773

Mon 12/110:30 amLAX - AEP

2 stops19h 00mLATAM Airlines

Fri 12/510:55 pmAEP - LAX

2 stops24h 05mLATAM Airlines

Deal found 10/29

$783

Mon 1/122:05 pmLAX - AEP

1 stop15h 25mLATAM Airlines

Mon 1/193:40 pmAEP - LAX

1 stop19h 35mLATAM Airlines

Deal found 10/28

$829

Thu 3/269:15 amLAX - AEP

2 stops21h 15mLATAM Airlines

Wed 4/88:40 amAEP - LAX

2 stops27h 05mLATAM Airlines

Deal found 10/27

$841

Mon 3/99:15 amLAX - AEP

2 stops26h 45mLATAM Airlines

Mon 3/308:10 pmAEP - LAX

2 stops30h 01mLATAM Airlines

Deal found 10/30

$851

Last-minute flights from Irvine to Buenos Aires
Discover last-minute flight deals from Irvine to Buenos Aires. Data last updated October 30, 2025 and is based on user searches.

Sun 11/210:30 amLAX - AEP

1 stop27h 10mLATAM Airlines

Tue 11/46:20 pmAEP - LAX

1 stop17h 00mLATAM Airlines

Deal found 10/29

$641

Thu 11/61:05 pmLAX - EZE

1 stop14h 55mAmerican Airlines

Wed 11/1910:25 pmEZE - LAX

1 stop17h 26mAmerican Airlines

Deal found 10/28

$647

Sat 11/84:10 pmLAX - EZE

1 stop34h 10mUnited Airlines

Fri 11/2110:05 pmEZE - LAX

1 stop25h 02mUnited Airlines

Deal found 10/28

$613

Tue 11/1110:02 amLAX - EZE

2 stops17h 08mAmerican Airlines

Wed 11/1910:25 pmEZE - LAX

1 stop16h 14mAmerican Airlines

Deal found 10/30

$609

Tue 11/118:35 amLAX - EZE

2 stops17h 25mAmerican Airlines

Wed 12/109:40 pmEZE - LAX

1 stop17h 16mAmerican Airlines

Deal found 10/29

$619

Wed 11/1212:00 pmLAX - EZE

1 stop16h 20mUnited Airlines

Wed 12/2411:55 pmEZE - LAX

1 stop23h 15mUnited Airlines

Deal found 10/28

$605

Thu 11/137:35 amLAX - EZE

1 stop20h 45mUnited Airlines

Mon 12/811:55 pmEZE - LAX

1 stop16h 28mUnited Airlines

Deal found 10/29

$646

Thu 11/137:35 amLAX - EZE

1 stop18h 45mUnited Airlines

Sat 11/2211:55 pmEZE - LAX

1 stop21h 12mUnited Airlines

Deal found 10/28

$655

Sat 11/1512:50 pmLAX - EZE

1 stop33h 15mLATAM Airlines

Mon 11/176:55 amEZE - LAX

2 stops28h 20mLATAM Airlines

Deal found 10/29

$641

Wed 11/196:00 amLAX - EZE

1 stop20h 20mUnited Airlines

Thu 11/2711:55 pmEZE - LAX

1 stop19h 27mUnited Airlines

Deal found 10/29

$649

Wed 11/2612:59 amLAX - EZE

1 stop26h 21mAmerican Airlines

Fri 12/1211:20 pmEZE - LAX

2 stops19h 22mAmerican Airlines

Deal found 10/28

$617

Fri 11/2810:02 amLAX - EZE

2 stops17h 18mAmerican Airlines

Fri 12/511:20 pmEZE - LAX

2 stops19h 22mAmerican Airlines

Deal found 10/30

$620

One-way flights from Irvine to Buenos Aires
Search for one-way flight options from Irvine to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Mon 1/52:05 pmLAX - EZE

1 stop14h 10mLATAM Airlines

Deal found 10/29

$333

Mon 1/510:30 amLAX - AEP

1 stop16h 25mLATAM Airlines

Deal found 10/29

$333

Sat 2/1410:19 amLAX - EZE

2 stops17h 01mAmerican Airlines

Deal found 10/30

$334

Sat 12/2712:55 amLAX - EZE

1 stop25h 25mUnited Airlines

Deal found 10/28

$335

Mon 3/99:15 amLAX - EZE

1 stop20h 20mLATAM Airlines

Deal found 10/29

$337

Wed 12/36:40 amLAX - AEP

3 stops43h 50mMultiple Airlines

Deal found 10/27

$337

Thu 4/28:25 amLAX - EZE

2 stops20h 50mLATAM Airlines

Deal found 10/28

$338

Thu 4/29:15 amLAX - AEP

2 stops26h 50mLATAM Airlines

Deal found 10/28

$338

Sun 11/1611:20 pmLAX - EZE

2 stops25h 30mAvianca

Deal found 10/29

$340

Tue 12/21:08 pmLAX - AEP

3 stops37h 22mMultiple Airlines

Deal found 10/27

$340

Wed 4/1510:15 pmLAX - EZE

3 stops28h 00mLATAM Airlines

Deal found 10/28

$341

Sun 3/156:00 amLAX - EZE

2 stops23h 35mLATAM Airlines

Deal found 10/29

$343

Cheap flight deals from Irvine to Buenos Aires

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$605 (United Airlines)
One-way from	$333 (LATAM Airlines)
Popular in	December
Cheapest in	September
Average price	$830

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)

Search Deals

One-way flight from Irvine to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($118 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Thu 1/22

7:35 am-7:20 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

Thu 1/29

11:55 pm-6:15 pm

1 stop23h 20m

$605

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 2/22

7:00 am-9:20 am

1 stop21h 20m

Buenos Aires Ministro Pistarini

Tue 3/10

9:05 pm-9:49 pm

1 stop28h 44m

$613

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Thu 11/13

7:35 am-7:20 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

Sat 11/22

11:55 pm-4:07 pm

1 stop21h 12m

$655

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Fri 11/14

2:30 pm-10:30 am

1 stop15h 00m

Buenos Aires Jorge Newbery

Sat 11/22

11:30 am-6:15 am

1 stop23h 45m

$751

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

5:15 pm-7:50 am

1 stop18h 35m

$751

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Thu 11/27

10:30 am-7:55 am

1 stop16h 25m

Buenos Aires Jorge Newbery

Fri 12/12

3:40 pm-6:15 am

1 stop19h 35m

$751

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Sun 3/8

10:15 pm-7:55 am

2 stops29h 40m

Buenos Aires Jorge Newbery

Tue 3/17

11:30 am-7:15 am

1 stop23h 45m

$756

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Wed 1/7

10:30 am-6:05 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Fri 1/23

10:25 pm-1:20 pm

1 stop19h 55m

$761

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sun 3/8

7:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Tue 3/17

8:55 pm-4:09 pm

1 stop23h 14m

$766

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Wed 12/3

10:30 am-10:30 am

2 stops19h 00m

Buenos Aires Jorge Newbery

Wed 12/10

7:00 am-10:00 pm

2 stops20h 00m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 46 results

...

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?

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 $269). Flying from Irvine to Buenos Aires in June is currently the most expensive (average of $770). 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 IR9 to BUE?

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Irvine to Buenos Aires by exploring options for tickets in the evening.

What is the cheapest day to fly from Irvine to Buenos Aires?

Travelers seeking maximum savings on their Irvine to Buenos Aires flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Buenos Aires

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

7,999 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

7,999 reviews

Delta

7.9

Good

7,999 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

1,561 reviews

Delta

7.9

Good

7,999 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

1,873 reviews

Delta

7.9

Good

7,999 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

8,996 reviews

Delta

7.9

Good

7,999 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

11,034 reviews

Delta

7.9

Good

7,999 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

How long is the flight from Irvine to Buenos Aires?
Airlines like United Airlines, LATAM 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 4h 10m. 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 Delta ($333), LATAM Airlines ($333), and United Airlines ($334).
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 $269). Flying from Irvine to Buenos Aires in June is currently the most expensive (average of $770). 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 6 airlines flying from Irvine to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$586	Average$1,022	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$604	Average$960	FlexibilityNo cancel fee	On-time71%
Avianca	Cheapest$617	Average$846	FlexibilityNo cancel fee	On-time71%
LATAM Airlines	Cheapest$707	Average$1,014	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$715	Average$1,118	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$762	Average$985	FlexibilityNo cancel fee	On-timeN/A

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$333+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Irvine to Buenos Aires with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Irvine to Buenos Aires are usually found in September or October, booked 62 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Find flight deals from Irvine to Buenos Aires

Cheapest flights from Irvine to Buenos AiresExplore 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 October 30, 2025.

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 October 30, 2025.

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 October 30, 2025.

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 Irvine to Buenos Aires that are best for you.

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.

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 October 24, 2025.

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

What is the cheapest time of day to fly from IR9 to BUE?

Find hourly flight availability from Irvine 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 October 30, 2025.

What is the cheapest day to fly from Irvine to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Irvine to Buenos Aires. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Buenos Aires

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.

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?

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

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

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

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

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

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

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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 October 30, 2025.