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$339+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUE
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/69:05 am
LAX
-
EZE
1 stop20h 10m
LATAM Airlines
dom. 2/87:10 am
EZE
-
LAX
1 stop28h 10m
LATAM Airlines
Deal found 1/28$659
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/251:50 pm
LAX
-
EZE
2 stops21h 50m
Multiple Airlines
vie. 5/111:30 am
EZE
-
LAX
1 stop24h 15m
Multiple Airlines
Deal found 1/28$669
This Avianca deal was found by Cheapflights users on 1/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/311:50 pm
LAX
-
EZE
2 stops21h 50m
Avianca
mié. 4/154:50 pm
EZE
-
LAX
3 stops24h 20m
Avianca
Deal found 1/28$671
This CheapOair deal was found by Cheapflights users on 1/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/71:50 pm
LAX
-
EZE
2 stops21h 50m
Multiple Airlines
lun. 5/251:20 pm
EZE
-
LAX
1 stop25h 29m
Multiple Airlines
Deal found 1/29$673
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/310:55 pm
LAX
-
EZE
1 stop27h 25m
LATAM Airlines
vie. 2/67:10 am
EZE
-
LAX
1 stop28h 10m
LATAM Airlines
Deal found 1/28$675
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/1111:55 pm
LAX
-
AEP
2 stops49h 45m
Multiple Airlines
sáb. 4/253:45 pm
AEP
-
LAX
1 stop20h 00m
Multiple Airlines
Deal found 1/28$680
This Avianca deal was found by Cheapflights users on 1/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/3011:55 pm
LAX
-
EZE
2 stops35h 45m
Avianca
lun. 4/134:50 pm
EZE
-
LAX
2 stops23h 35m
Avianca
Deal found 1/28$681
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/111:55 pm
LAX
-
EZE
2 stops25h 45m
Avianca
dom. 4/54:50 pm
EZE
-
LAX
2 stops33h 50m
Avianca
Deal found 1/28$682
This CheapOair deal was found by Cheapflights users on 1/27. 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.
mar. 4/142:40 pm
LAX
-
EZE
3 stops29h 30m
Avianca
jue. 5/74:45 pm
EZE
-
LAX
2 stops33h 55m
Avianca
Deal found 1/27$683
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1312:15 am
LAX
-
AEP
2 stops25h 25m
Multiple Airlines
mar. 5/58:05 pm
AEP
-
LAX
1 stop26h 55m
Multiple Airlines
Deal found 1/27$683
This CheapOair deal was found by Cheapflights users on 1/27. 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.
dom. 5/1711:55 pm
LAX
-
EZE
2 stops44h 15m
Multiple Airlines
dom. 5/247:21 pm
EZE
-
LAX
1 stop16h 24m
Multiple Airlines
Deal found 1/27$684
This Priceline deal was found by Cheapflights users on 1/27. 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.
mié. 4/112:15 am
LAX
-
EZE
2 stops19h 55m
Multiple Airlines
mar. 4/1411:30 am
EZE
-
LAX
2 stops35h 20m
Multiple Airlines
Deal found 1/27$686

Find 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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$669
(CheapOair)

One-way from

$339
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$953
Provider with most accurate pricing for Los Angeles-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Buenos Aires (BUE) flights.
Search Deals
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. 9% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 29, 2026.
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

mar. 3/17

11:30 am-4:00 pm

1 stop24h 30m

Buenos Aires Jorge Newbery

mar. 4/21

7:00 am-10:40 pm

2 stops19h 40m

$704

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

lun. 3/9

11:30 am-4:00 pm

1 stop24h 30m

Buenos Aires Jorge Newbery

mié. 3/18

7:00 am-11:00 pm

2 stops20h 00m

$715

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

dom. 5/31

11:55 pm-5:40 am

2 stops25h 45m

Buenos Aires Jorge Newbery

dom. 6/7

7:00 am-10:10 pm

2 stops19h 10m

$733

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

dom. 6/14

3:05 pm-5:40 am

2 stops34h 35m

Buenos Aires Jorge Newbery

jue. 6/25

7:00 am-6:05 am

3 stops27h 05m

$758

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

mar. 4/28

11:35 am-6:30 pm

1 stop26h 55m

Buenos Aires Jorge Newbery

mar. 5/26

7:40 pm-7:45 am

1 stop16h 05m

$760

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

mié. 4/15

11:35 am-6:30 pm

1 stop26h 55m

Buenos Aires Jorge Newbery

mar. 4/28

3:45 pm-7:45 am

1 stop20h 00m

$761

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

mié. 4/15

11:35 am-7:40 am

1 stop16h 05m

Buenos Aires Jorge Newbery

mar. 5/5

7:40 pm-7:45 am

1 stop16h 05m

$764

Los AngelesBuenos Aires

LAX - AEP

LAXAEP

Los Angeles

mié. 3/18

2:50 pm-5:40 am

2 stops34h 50m

Buenos Aires Jorge Newbery

mié. 3/25

7:00 am-10:15 pm

2 stops19h 15m

$764

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

jue. 4/16

10:35 am-9:45 am

1 stop19h 10m

Buenos Aires Ministro Pistarini

lun. 5/4

8:10 pm-5:37 pm

1 stop25h 27m

$770

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

mié. 4/15

10:35 am-9:45 am

1 stop19h 10m

Buenos Aires Ministro Pistarini

lun. 5/4

8:10 pm-5:37 pm

1 stop25h 27m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 44 results
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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 January 23, 2026.

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 62 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, May is the cheapest month in which you can book a flight from Riverside to Buenos Aires (average of $268). Flying from Riverside to Buenos Aires in June is currently the most expensive (average of $779). 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 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 enero 29, 2026.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and Copa 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
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
1,918 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
7.5
Good
1,560 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
9,215 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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
11,206 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

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 $770, Avianca can have you in Buenos Aires from Riverside in 19h 10m. 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 Copa Airlines, which is currently one of the cheapest options available, starting at $269. Avianca flights start at $281 while deals on American Airlines start at $324 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, May is the cheapest month in which you can book a flight from Riverside to Buenos Aires (average of $268). Flying from Riverside to Buenos Aires in June is currently the most expensive (average of $779). 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 Riverside 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 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$330Average$849FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$333Average$939FlexibilityNo cancel feeOn-time70%
DeltaCheapest$338Average$932FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$619Average$1,085FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$681Average$1,150FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$716Average$1,004FlexibilityNo cancel feeOn-time81%

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