Open interactive map →Cheap flights from Santiago to Buenos Aires
Fares on the Santiago to Buenos Aires route are tracked month by month. The lowest observed price is €59. The cheapest tracked fare is non-stop. The calendar below lists the months SkyHopp has fares for - not enough months yet to name a cheapest month.
A price calendar on this page lists tracked months as they fill in. The cheapest tracked fare is non-stop. If you are open on destination, use the interactive map from Santiago to compare Buenos Aires against nearby alternatives.
Flying the other way? Cheap flights from Buenos Aires to Santiago.
One-way fares
From €59
Cheapest tracked fare (non-stop)
Return fares
From €175
Tracked return fares (out 18 Nov 2026, back 27 Nov 2026)
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Cheapest month to fly
- November 2026€59DirectCheapest
SkyHopp has tracked fares for this route in November at around €59. That is the only month with data so far, so it is too early to name a cheapest month.
Cheapest fare last seen 23 October 2026.
Alternative routes
Other ways to reach Buenos Aires
Frequently asked questions
How much does a flight from Santiago to Buenos Aires cost?
The cheapest tracked fare from Santiago to Buenos Aires is €59. The month-by-month price calendar on this page lists the months SkyHopp has fares for. A tracked return fare on this pair is currently from €175. Fares are refreshed as our flight partners publish new availability.
Are there direct flights from Santiago to Buenos Aires?
Yes - non-stop fares appear in SkyHopp's tracked data from Santiago to Buenos Aires. The cheapest tracked fare, from €59, is itself non-stop. Click through to the booking site to check schedules for your dates.
When is the cheapest time to fly from Santiago to Buenos Aires?
SkyHopp does not yet have enough months of fares on this route to name a cheapest month. The calendar above lists the months that already have data. Set a price alert on this page to watch the fare.