--- title: "Santa Rosa to Buenos Aires flights: who flies RSA-AEP" description: "Aerolíneas Argentinas flies nonstop from RSA to AEP, about 6 flights a week as AR 1635, scheduled at 1h 10m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/rsa-aep" url: "https://2lnr.com/routes/rsa-aep.md" date_modified: "2026-10-18T05:10:47Z" --- # Santa Rosa to Buenos Aires (RSA-AEP): nonstop flights and who flies them Aerolíneas Argentinas flies the RSA to AEP nonstop about 6 times a week. In the timetable below it flies as AR 1635, scheduled at 1h 10m for the 358 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See RSA to AEP on the interactive map [Get started free](https://2lnr.com/login) 6 Flights a week, 4-week average 1h 10m Scheduled flight time 358 mi Nonstop distance Free To get started ## Santa Rosa to Buenos Aires flight schedule Scheduled nonstop departures for RSA to AEP starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Santa Rosa (RSA) to Buenos Aires (AEP) | Date | Flight | Airline | Departs RSA | Arrives AEP | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | [Embraer E190](https://2lnr.com/seatmaps/ar/e190.md) | | Fri, Oct 23 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | Embraer E190 | | Sun, Oct 25 | AR 1635 | Aerolíneas Argentinas | 17:10 | 18:20 | 1h 10m | Embraer E190 | | Mon, Oct 26 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | Embraer E190 | | Tue, Oct 27 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | Embraer E190 | | Wed, Oct 28 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | Embraer E190 | | Thu, Oct 29 | AR 1635 | Aerolíneas Argentinas | 12:40 | 13:50 | 1h 10m | Embraer E190 | Showing all 7 scheduled RSA to AEP departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every RSA to AEP date on the interactive map ## Aircraft on the Santa Rosa to Buenos Aires nonstop Aerolíneas Argentinas flies the [Embraer E190](https://2lnr.com/seatmaps/ar/e190.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full RSA to AEP nonstop schedule This page carries the full RSA to AEP nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each RSA to AEP nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See RSA to AEP on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Santa Rosa to Buenos Aires nonstop Carriers operating RSA to AEP nonstop in the current schedule. - [Aerolíneas Argentinas (AR) route map](https://2lnr.com/routes/airlines/ar.md)\ [The aircraft AR flies](https://2lnr.com/seatmaps/ar.md) See RSA to AEP on the interactive map → ## Frequently asked questions about RSA to AEP **How long is the flight from Santa Rosa (RSA) to Buenos Aires (AEP)?** AR 1635 is scheduled at 1h 10m from Santa Rosa (RSA) to Buenos Aires (AEP) on every departure in the schedule table on this page. The nonstop covers about 358 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from RSA to AEP?** Aerolíneas Argentinas is currently the only airline flying RSA to AEP nonstop. 2LNR doesn't show award or upgrade space for it on RSA to AEP, so this page carries the schedule rather than a space claim. **How many flights a week are there from RSA to AEP?** About 6 nonstop flights a week run between Santa Rosa (RSA) and Buenos Aires (AEP) in the current schedule, operated by Aerolíneas Argentinas. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from RSA to AEP depart?** Scheduled RSA to AEP nonstops in the next 7 days with service leave between 12:40 and 17:10, local time at Santa Rosa. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate RSA to AEP nonstop?** Aerolíneas Argentinas flies AR 1635 nonstop from Santa Rosa (RSA) to Buenos Aires (AEP), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on RSA to AEP?** Not on this route: 2LNR doesn't show award or upgrade space for Aerolíneas Argentinas on RSA to AEP. The page carries the full RSA to AEP nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [AEP to RSA nonstop flights](https://2lnr.com/routes/aep-rsa.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Santa Rosa (RSA)](https://2lnr.com/routes/rsa.md), or [every route from Buenos Aires (AEP)](https://2lnr.com/routes/aep.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full RSA to AEP nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)