$333+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BUE
nov. 29 — déc. 61
1 adult, Economy
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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 October, booked 62 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Find flight deals from Riverside to Buenos Aires
Cheapest flights from Riverside to Buenos AiresExplore 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 octobre 30, 2025.
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 octobre 30, 2025.
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/121:15 pmLAX - EZE
1 stop15h 05mUnited Airlines
mar. 11/1810:05 pmEZE - LAX
1 stop16h 04mUnited Airlines
Deal found 10/28![United Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1110:02 amLAX - EZE
2 stops17h 08mAmerican Airlines
mer. 11/1910:25 pmEZE - LAX
1 stop16h 14mAmerican Airlines
Deal found 10/30![American Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/84:10 pmLAX - EZE
1 stop34h 10mUnited Airlines
ven. 11/2110:05 pmEZE - LAX
1 stop25h 02mUnited Airlines
Deal found 10/28![United Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/2612:59 amLAX - EZE
1 stop26h 21mAmerican Airlines
ven. 12/1211:20 pmEZE - LAX
2 stops19h 22mAmerican Airlines
Deal found 10/28![American Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:35 amLAX - EZE
2 stops17h 25mAmerican Airlines
mer. 12/109:40 pmEZE - LAX
1 stop17h 16mAmerican Airlines
Deal found 10/29![American Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2810:02 amLAX - EZE
2 stops17h 18mAmerican Airlines
ven. 12/511:20 pmEZE - LAX
1 stop26h 00mAmerican Airlines
Deal found 10/30![American Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:55 amLAX - EZE
1 stop25h 25mUnited Airlines
dim. 12/711:55 pmEZE - LAX
1 stop36h 45mUnited Airlines
Deal found 10/28![United Airlines logo]()
$622
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/1512:50 pmLAX - EZE
1 stop33h 15mLATAM Airlines
lun. 11/176:55 amEZE - LAX
2 stops28h 20mLATAM Airlines
Deal found 10/29![LATAM Airlines logo]()
$641
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/210:30 amLAX - AEP
1 stop27h 10mLATAM Airlines
mar. 11/46:20 pmAEP - LAX
1 stop17h 00mLATAM Airlines
Deal found 10/29![LATAM Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/137:35 amLAX - EZE
1 stop20h 45mUnited Airlines
mar. 12/911:55 pmEZE - LAX
1 stop19h 32mUnited Airlines
Deal found 10/29![United Airlines logo]()
$646
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/61:05 pmLAX - EZE
1 stop14h 55mAmerican Airlines
mer. 11/1910:25 pmEZE - LAX
1 stop17h 26mAmerican Airlines
Deal found 10/28![American Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/196:00 amLAX - EZE
1 stop20h 20mUnited Airlines
jeu. 11/2711:55 pmEZE - LAX
1 stop19h 27mUnited Airlines
Deal found 10/29![United Airlines logo]()
$649
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 octobre 30, 2025.
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 |
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 octobre 30, 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 - EZE
LAXEZE
Los Angeles
jeu. 1/22
7:35 am-7:20 am
1 stop18h 45m
Buenos Aires Ministro Pistarini
jeu. 1/29
11:55 pm-6:15 pm
1 stop23h 20m
$605
Los AngelesBuenos Aires
LAX - EZE
LAXEZE
Los Angeles
dim. 2/22
7:00 am-9:20 am
1 stop21h 20m
Buenos Aires Ministro Pistarini
mar. 3/10
9:05 pm-9:49 pm
1 stop28h 44m
$613
Los AngelesBuenos Aires
LAX - EZE
LAXEZE
Los Angeles
jeu. 11/13
7:35 am-7:20 am
1 stop18h 45m
Buenos Aires Ministro Pistarini
sam. 11/22
11:55 pm-4:07 pm
1 stop21h 12m
$655
Los AngelesBuenos Aires
LAX - AEP
LAXAEP
Los Angeles
ven. 11/14
2:30 pm-10:30 am
1 stop15h 00m
Buenos Aires Jorge Newbery
sam. 11/22
11:30 am-6:15 am
1 stop23h 45m
$751
Los AngelesBuenos Aires
LAX - AEP
LAXAEP
Los Angeles
mer. 3/4
10:30 am-7:55 am
1 stop16h 25m
Buenos Aires Jorge Newbery
dim. 3/8
5:15 pm-7:50 am
1 stop18h 35m
$751
Los AngelesBuenos Aires
LAX - AEP
LAXAEP
Los Angeles
jeu. 11/27
10:30 am-7:55 am
1 stop16h 25m
Buenos Aires Jorge Newbery
ven. 12/12
3:40 pm-6:15 am
1 stop19h 35m
$751
Los AngelesBuenos Aires
LAX - AEP
LAXAEP
Los Angeles
dim. 3/8
10:15 pm-7:55 am
2 stops29h 40m
Buenos Aires Jorge Newbery
mar. 3/17
11:30 am-7:15 am
1 stop23h 45m
$756
Los AngelesBuenos Aires
LAX - EZE
LAXEZE
Los Angeles
mer. 1/7
10:30 am-6:05 am
1 stop14h 35m
Buenos Aires Ministro Pistarini
ven. 1/23
10:25 pm-1:20 pm
1 stop19h 55m
$761
Los AngelesBuenos Aires
LAX - EZE
LAXEZE
Los Angeles
dim. 3/8
7:00 am-7:20 am
1 stop20h 20m
Buenos Aires Ministro Pistarini
mar. 3/17
8:55 pm-4:09 pm
1 stop23h 14m
$766
Los AngelesBuenos Aires
LAX - AEP
LAXAEP
Los Angeles
mer. 12/3
10:30 am-10:30 am
2 stops19h 00m
Buenos Aires Jorge Newbery
mer. 12/10
7:00 am-10:00 pm
2 stops20h 00m
$767
Showing 1-10 of 46 results
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 October 24, 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 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 $269). Flying from Riverside 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 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 octobre 30, 2025.
It’s optimal to fly from Riverside to Buenos Aires in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the morning.
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 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
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 octobre 30, 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.
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Crew
8.5
Overall
7.9
Food
7.3
Comfort
7.9
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
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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.
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 octobre 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$586 | Average$1,022 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$604 | Average$1,165 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$617 | Average$846 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$707 | Average$1,014 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$715 | Average$1,118 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$762 | Average$985 | FlexibilityNo cancel fee | On-timeN/A |