Cheap flights from San Juan to Buenos Aires (BUE)
SJU — BUE
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from San Juan to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 24, 2026.
Popular in | February |
|---|---|
Cheapest in | May |
Average price | $637 |
Best time to book a flight from San Juan to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Juan with our price prediction graph.
PR1-BUE
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 San Juan to Buenos Aires
How far ahead should I book a flight from San Juan to Buenos Aires?
To ensure you get the cheapest price possible for a flight from San Juan to Buenos Aires, you should look to book at least 23 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 San Juan to Buenos Aires?
Currently, September is the cheapest month in which you can book a flight from San Juan to Buenos Aires (average of $580). Flying from San Juan to Buenos Aires in January is currently the most expensive (average of $929). 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.
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 24, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andAmerican Airlines from San Juan 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
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentF.DAVID,Sep 2023
CDG - ATL
Related info for your journey
Find useful and relevant information for your journey from San Juan 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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Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Juan to Buenos Aires by cabin class
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San Juan and Buenos Aires flights
Browse other San Juan and Buenos Aires flight options. Last updated on September 24, 2026.
Popular flight searches
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Top 4 airlines flying from San Juan to Buenos Aires
Discover the top 4 airlines that operate flights from San Juan 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$627 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$767 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$841 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$602 | Average$953 | FlexibilityNo cancel fee | On-time71% |