Route guide

Libertador General San Martin to Buenos Aires (RLO-AEP): Nonstop Upgrade & Award Space

Aerolíneas Argentinas flies nonstop from Libertador General San Martin (RLO) to Buenos Aires (AEP) just twice a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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2
Nonstop flights a week
438 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every RLO to AEP departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Libertador General San Martin to Buenos Aires to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each RLO to AEP departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See RLO to AEP on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Libertador General San Martin to Buenos Aires nonstop

Carriers operating RLO to AEP nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Aerolíneas Argentinas
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Frequently asked questions about RLO to AEP

How far is Buenos Aires from Libertador General San Martin?
RLO to AEP covers about 438 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from RLO to AEP?
Aerolíneas Argentinas is currently the only airline flying RLO to AEP nonstop. 2LNR tracks confirmed upgrade and award space on every Aerolíneas Argentinas departure.
How often does RLO to AEP operate?
The nonstop currently runs twice a week, on Aerolíneas Argentinas. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on RLO to AEP?
Open the RLO to AEP calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Libertador General San Martin to Buenos Aires route, and 2LNR will notify you when space opens. It's free to start.

Never miss RLO to AEP upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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