HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$330+ Cheap flights from Riverside, 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside 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 Riverside to Buenos Aires are usually found in September or August, booked 28 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Riverside to Buenos Aires

Keep the following information in mind while searching for Riverside to Buenos Aires flight deals. Data was last updated September 15, 2025.

Round-trip from

$640
(Flysmarter)

One-way from

$330
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$837
From Riverside to Buenos Aires (BUE)
Search Deals
One-way flight from Riverside to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Riverside to Buenos Aires

Cheapest flights from Riverside to Buenos Aires
Explore the most affordable flight options available from Riverside to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Flysmarter deal was found by Cheapflights users on 9/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:20 pmLAX - EZE
2 stops25h 30mAvianca
Mon 11/177:35 amEZE - LAX
2 stops33h 55mAvianca
Deal found 9/13$640
This Priceline deal was found by Cheapflights users on 9/13. 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.
Mon 10/2712:20 amLAX - EZE
2 stops25h 30mAvianca
Tue 11/44:55 pmEZE - LAX
2 stops34h 05mAvianca
Deal found 9/13$653
This Priceline deal was found by Cheapflights users on 9/14. 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.
Mon 11/1711:20 pmLAX - EZE
2 stops25h 30mAvianca
Sun 11/237:35 amEZE - LAX
2 stops33h 55mAvianca
Deal found 9/14$654
This Priceline deal was found by Cheapflights users on 9/14. 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.
Sun 10/2611:55 pmLAX - EZE
2 stops25h 55mAvianca
Wed 11/54:55 pmEZE - LAX
3 stops24h 35mAvianca
Deal found 9/14$660
This Priceline deal was found by Cheapflights users on 9/13. 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.
Fri 10/102:50 pmLAX - EZE
2 stops29h 20mAvianca
Fri 10/246:50 amEZE - LAX
3 stops34h 40mAvianca
Deal found 9/13$661
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Sun 10/122:50 pmLAX - EZE
2 stops29h 20mAvianca
Tue 11/44:55 pmEZE - LAX
2 stops33h 20mAvianca
Deal found 9/14$664
This Priceline deal was found by Cheapflights users on 9/15. 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.
Wed 11/510:55 pmLAX - EZE
2 stops25h 55mAvianca
Wed 11/127:35 amEZE - LAX
2 stops19h 25mAvianca
Deal found 9/15$668
This Priceline deal was found by Cheapflights users on 9/14. 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.
Tue 11/1811:20 pmLAX - EZE
2 stops25h 30mAvianca
Sun 11/237:35 amEZE - LAX
2 stops33h 55mAvianca
Deal found 9/14$669
This Priceline deal was found by Cheapflights users on 9/13. 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.
Mon 11/1010:55 pmLAX - EZE
2 stops25h 55mAvianca
Thu 11/207:35 amEZE - LAX
3 stops32h 20mAvianca
Deal found 9/13$670
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:30 pmLAX - AEP
1 stop19h 10mLATAM Airlines
Sun 11/1611:30 amAEP - LAX
1 stop23h 45mLATAM Airlines
Deal found 9/14$687
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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 11/128:35 pmLAX - AEP
1 stop17h 05mLATAM Airlines
Fri 11/146:20 pmAEP - LAX
1 stop17h 00mLATAM Airlines
Deal found 9/15$697
This Priceline deal was found by Cheapflights users on 9/14. 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.
Sun 10/2612:20 amLAX - AEP
2 stops25h 20mAvianca
Thu 10/307:00 amAEP - LAX
2 stops20h 00mAvianca
Deal found 9/14$717

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 September 15, 2025.
Use the filters below to find and compare flights from Riverside to Buenos Aires that are best for you.

Fly from

Riverside

Fly to

Buenos Aires

Route

Depart

Return

Price

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Sun 11/16

10:35 am-7:55 am

1 stop16h 20m

Buenos Aires Jorge Newbery

Sat 11/22

7:00 am-9:15 pm

2 stops19h 15m

$746

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Fri 11/14

2:30 pm-7:40 pm

1 stop24h 10m

Buenos Aires Jorge Newbery

Wed 11/19

7:00 am-10:00 pm

2 stops20h 00m

$746

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Mon 11/3

2:30 pm-2:40 pm

1 stop19h 10m

Buenos Aires Jorge Newbery

Sun 11/16

11:30 am-6:15 am

1 stop23h 45m

$748

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Thu 3/12

11:35 am-4:00 pm

1 stop24h 25m

Buenos Aires Jorge Newbery

Sun 3/22

5:15 pm-7:50 am

1 stop18h 35m

$751

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Tue 11/18

2:30 pm-10:30 am

1 stop15h 00m

Buenos Aires Jorge Newbery

Fri 11/21

11:30 am-6:15 am

1 stop23h 45m

$751

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Sun 3/1

9:15 am-10:30 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Sun 3/15

8:25 pm-7:50 am

1 stop15h 25m

$755

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Wed 12/3

9:20 am-4:00 pm

2 stops25h 40m

Buenos Aires Jorge Newbery

Wed 12/10

11:30 am-6:50 am

2 stops24h 20m

$755

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

Mon 10/27

11:35 am-7:55 am

1 stop16h 20m

Buenos Aires Jorge Newbery

Wed 11/5

8:25 pm-6:50 am

1 stop15h 25m

$760

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Wed 10/29

11:35 am-6:20 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 11/19

7:50 am-6:00 pm

1 stop15h 10m

$761

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Tue 11/4

10:35 am-6:20 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 12/3

4:05 am-7:19 pm

2 stops20h 14m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Riverside to Buenos Aires

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Buenos Aires. Price data was last updated on September 12, 2025.

The price you pay for your flight from Riverside to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Riverside to Buenos Aires (average of $795). Flying from Riverside 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 R1V to BUE?

Find hourly flight availability from Riverside 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 September 15, 2025.

When flying from Riverside to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Travelers seeking maximum savings on their Riverside to Buenos Aires flight should consider departing on Tuesday evenings 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.

How much does it cost to fly round-trip from Riverside 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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and LATAM Airlines from Riverside to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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
1,531 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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
1,847 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

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 Riverside 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 Riverside to Buenos Aires?

    For as low as $761, LATAM Airlines can have you in Buenos Aires from Riverside in 14h 45m. Riverside and Buenos Aires are separated by a distance of 6123 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $333. United Airlines flights start at $334 while deals on American Airlines start at $334 one-way.

  • What are the most popular routes from Riverside 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 Riverside to Buenos Aires.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Riverside to Buenos Aires (average of $795). Flying from Riverside 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Riverside to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
San Francisco to Ministro Pistarini flights
San Francisco to Jorge Newbery flights
Ontario to Ministro Pistarini flights
San Diego to Ministro Pistarini flights
San Diego to Jorge Newbery flights
Los Angeles to Cordoba flights
San Jose to Ministro Pistarini flights
Sacramento to Ministro Pistarini flights
Los Angeles to Mendoza flights
San Jose to Jorge Newbery flights
Oakland to Ministro Pistarini flights
Sacramento to Jorge Newbery flights
Las Vegas to Ministro Pistarini flights
San Francisco to San Carlos de Bariloche flights
Fresno to Ministro Pistarini flights
San Francisco to Cordoba flights
Santa Ana to Ministro Pistarini flights
San Francisco to Ushuaia flights
San Francisco to Mendoza flights
San Francisco to El Calafate flights
San Diego to Mendoza flights
Reno to Ministro Pistarini flights
Las Vegas to Mendoza flights
Monterey to Ministro Pistarini flights
Los Angeles to San Carlos de Bariloche flights
Las Vegas to Cordoba flights
San Jose to Cordoba flights
Santa Rosa to Ministro Pistarini flights
San Jose to Mendoza flights
Tijuana to Ministro Pistarini flights
Palm Springs to Ministro Pistarini flights
San Luis Obispo to Ministro Pistarini flights
Las Vegas to Ushuaia flights
Los Angeles to Salta flights
Ontario to Mendoza flights
Las Vegas to Rosario flights
San Francisco to Rosario flights
Los Angeles to Rosario flights
San Jose to Rosario flights

Top 6 airlines flying from Riverside to Buenos Aires

Discover the top 6 airlines that operate flights from Riverside 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$573Average$905FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$599Average$1,042FlexibilityNo cancel feeOn-time70%
AviancaCheapest$643Average$864FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$703Average$1,018FlexibilityNo cancel feeOn-time81%
DeltaCheapest$715Average$998FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$727Average$1,132FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.