Route guide

Santiago del Estero to Buenos Aires (SDE-EZE): Nonstop Upgrade & Award Space

Aerolíneas Argentinas flies nonstop from Santiago del Estero (SDE) to Buenos Aires (EZE) just once 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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1
Nonstop flights a week
594 mi
Nonstop distance
Free
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Confirmed upgrade & award space on every SDE to EZE 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 Santiago del Estero 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 SDE to EZE 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 SDE to EZE on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Santiago del Estero to Buenos Aires nonstop

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

  • Aerolíneas Argentinas
See SDE to EZE on the interactive map →

Frequently asked questions about SDE to EZE

How far is Buenos Aires from Santiago del Estero?
SDE to EZE covers about 594 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SDE to EZE?
Aerolíneas Argentinas is currently the only airline flying SDE to EZE nonstop. 2LNR tracks confirmed upgrade and award space on every Aerolíneas Argentinas departure.
How often does SDE to EZE operate?
The nonstop currently runs once 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 SDE to EZE?
Open the SDE to EZE calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Santiago del Estero to Buenos Aires route, and 2LNR will notify you when space opens. It's free to start.

Never miss SDE to EZE upgrade or award space

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

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