Buenos Aires to San Juan flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Buenos Aires to San Juan is €368 (checked on 2 Nov 2026).
Your next trip, last seen at €368
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €368, departing 17 Apr 2027 (Last checked: 2 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 193Check live prices for this route
- Airlines seen
- American Airlines, Arajet, Avianca, Delta Air Lines
- Typical journey time
- 11h 58m
About this route
Explore the fares we observed from Buenos Aires to San Juan. Prices move often, so pick your dates to see the latest options.
- Route distance
- 5,958 km
- Typical journey time
- 11h 58m
- Seen on fares with a connection
- Arajet, American Airlines, Avianca, Delta Air Lines
- Alternative airports
- AEP, SIG
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
- Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 km.
- Fernando Luis Ribas Dominicci Airport (SIG) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 1 km.
- Luis Munoz Marin International Airport (SJU) → San Juan, city gazetteer reference point (18.4663, -66.1057): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Buenos Aires to San Juan: April 2027, from €368 (checked 2 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €501 | 11 |
| December 2026 | €472 | 31 |
| January 2027 | €453 | 31 |
| February 2027 | €434 | 28 |
| March 2027 | €434 | 31 |
| April 2027 | €368 | 30 |
| May 2027 | €376 | 31 |
Lowest fare by day of the week
Cheapest day of the week from Buenos Aires to San Juan: Tuesday, from €368 (checked 2 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €392 | 28 |
| Tuesday | €368 | 27 |
| Wednesday | €396 | 27 |
| Thursday | €447 | 27 |
| Friday | €461 | 28 |
| Saturday | €368 | 28 |
| Sunday | €398 | 28 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Buenos Aires to San Juan by days until departure (61 days or more): €368 (checked 2 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €501 | 14 |
| 31 to 60 days | €472 | 30 |
| 61 days or more | €368 | 149 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Buenos Aires to San Juan: American Airlines, from €632 (checked 30 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| American Airlines | €632Apr 3, 2027 | 6 |
| Delta Air Lines | €632Apr 14, 2027 | 3 |
| Avianca | €728Apr 3, 2027 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Buenos Aires to San Juan?
The lowest fare Routavio has observed is €368, found on 2 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Buenos Aires to San Juan?
Cheapest month from Buenos Aires to San Juan: April 2027, from €368 (checked 2 Nov 2026).
Are there direct flights from Buenos Aires to San Juan?
Our data holds no non-stop flight from Buenos Aires to San Juan. The fares on this page include at least one stop.
Which airlines fly from Buenos Aires to San Juan?
Routavio has seen these carriers on the route: American Airlines, Arajet, Avianca, Delta Air Lines.
Which day of the week is cheapest from Buenos Aires to San Juan?
Cheapest day of the week from Buenos Aires to San Juan: Tuesday, from €368 (checked 2 Nov 2026).
Which airline has the lowest fare from Buenos Aires to San Juan?
Cheapest airline from Buenos Aires to San Juan: American Airlines, from €632 (checked 30 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
More routes from Buenos Aires
Show all 36 routes →Show fewer ↑
More routes to San Juan
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.