Round trip from
$149
13 Jan – 19 Jan · JetSmart · direct
found today
Direct flights from
$149
13 Jan – 19 Jan · JetSmart
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-
1140 km
Distance
-
2 h
Shortest flight
-
77%
Direct flights
-
5
Airlines
-
$53
One way from
-
$149
Round trip from
The route at a glance
About 1140 km separate Santiago and Buenos Aires; the quickest flight is 2 h and a typical one 2 h 7 min.
77% of the cheapest tickets are direct; Sky Airline carries 50% of them.
Most cheap flights leave from Arturo Merino Benitez Airport (13 km from the centre of Santiago).
Most land at Jorge Newbery Airport (7 km from the centre of Buenos Aires).
A one-way ticket starts at $53, a round trip at $149.
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $158 |
| December 2026 | $172 |
| January 2027 | $149 |
| February 2027 | $173 |
| March 2027 | $175 |
| April 2027 | $180 |
| July 2027 | $265 |
Cheapest day to fly
The cheapest departure in the next two months is 20 November at $59.
Sunday is the cheapest day of the week to fly.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 4 $212 |
5 $182 |
6 $151 |
7 $142 |
8 $156 |
||
| 9 $155 |
10 $155 |
11 $153 |
12 $169 |
13 $174 |
14 $112 |
15 $98 |
| 16 $97 |
17 $97 |
18 $89 |
19 $74 |
20 $59 |
21 $72 |
22 $72 |
| 23 $85 |
24 $92 |
25 $98 |
26 $110 |
27 $122 |
28 $88 |
29 $84 |
| 30 $79 |
4 $114 |
5 $97 |
6 $80 |
|||
| 7 $81 |
8 $81 |
9 $81 |
10 $75 |
11 $75 |
12 $75 |
13 $69 |
| 14 $82 |
15 $82 |
16 $82 |
17 $95 |
18 $85 |
19 $88 |
20 $88 |
| 21 $88 |
22 $88 |
23 $88 |
24 $88 |
25 $88 |
26 $88 |
27 $88 |
| 28 $88 |
29 $88 |
30 $92 |
31 $76 |
Cheaper More expensive
- $59 — Friday, Nov. 20, 2026
- $69 — Sunday, Dec. 13, 2026
- $72 — Saturday, Nov. 21, 2026
- $72 — Sunday, Nov. 22, 2026
- $74 — Thursday, Nov. 19, 2026
- $75 — Thursday, Dec. 10, 2026
- $75 — Friday, Dec. 11, 2026
- $75 — Saturday, Dec. 12, 2026
- $76 — Thursday, Dec. 31, 2026
- $79 — Monday, Nov. 30, 2026
- $80 — Sunday, Dec. 6, 2026
- $81 — Monday, Dec. 7, 2026
- $81 — Tuesday, Dec. 8, 2026
- $81 — Wednesday, Dec. 9, 2026
- $82 — Monday, Dec. 14, 2026
- $82 — Tuesday, Dec. 15, 2026
- $82 — Wednesday, Dec. 16, 2026
- $84 — Sunday, Nov. 29, 2026
- $85 — Monday, Nov. 23, 2026
- $85 — Friday, Dec. 18, 2026
- $88 — Saturday, Nov. 28, 2026
- $88 — Saturday, Dec. 19, 2026
- $88 — Sunday, Dec. 20, 2026
- $88 — Monday, Dec. 21, 2026
- $88 — Tuesday, Dec. 22, 2026
- $88 — Wednesday, Dec. 23, 2026
- $88 — Thursday, Dec. 24, 2026
- $88 — Friday, Dec. 25, 2026
- $88 — Saturday, Dec. 26, 2026
- $88 — Sunday, Dec. 27, 2026
- $88 — Monday, Dec. 28, 2026
- $88 — Tuesday, Dec. 29, 2026
- $89 — Wednesday, Nov. 18, 2026
- $92 — Tuesday, Nov. 24, 2026
- $92 — Wednesday, Dec. 30, 2026
- $95 — Thursday, Dec. 17, 2026
- $97 — Monday, Nov. 16, 2026
- $97 — Tuesday, Nov. 17, 2026
- $97 — Saturday, Dec. 5, 2026
- $98 — Sunday, Nov. 15, 2026
- $98 — Wednesday, Nov. 25, 2026
- $110 — Thursday, Nov. 26, 2026
- $112 — Saturday, Nov. 14, 2026
- $114 — Friday, Dec. 4, 2026
- $122 — Friday, Nov. 27, 2026
- $142 — Saturday, Nov. 7, 2026
- $151 — Friday, Nov. 6, 2026
- $153 — Wednesday, Nov. 11, 2026
- $155 — Monday, Nov. 9, 2026
- $155 — Tuesday, Nov. 10, 2026
- $156 — Sunday, Nov. 8, 2026
- $169 — Thursday, Nov. 12, 2026
- $174 — Friday, Nov. 13, 2026
- $182 — Thursday, Nov. 5, 2026
- $212 — Wednesday, Nov. 4, 2026
Price trend, last 30 days
Over the last 30 days the fare moved between $131 and $227, averaging $164.
Today's price is 9% below that average — a good moment to book.
- 5 October — $131
- 10 October — $141
- 15 October — $144
- 20 October — $227
- 25 October — $178
- 30 October — $175
- 4 November — $149
Trip length and timing
The cheapest tickets are for stays of about 4 nights (the very cheapest: 6 nights), booked around 18 days ahead.
Airlines on this route
Airports used
Alternatives
Flying back? Buenos Aires → Santiago starts at $175.
- Buenos Aires – Santiago · $175
Trip essentials
Car rental in Buenos Aires
Pick up a car at the airport.
Mobile data in Buenos Aires
An eSIM with local data, set up before you land.
by Airalo
Airport transfer in Buenos Aires
A fixed-price ride from the airport, booked ahead.
by Kiwitaxi
Flight delayed or cancelled?
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Flight deals from Santiago in Telegram
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Questions and answers
- What is the cheapest price for flights from Santiago to Buenos Aires?
- The cheapest round-trip ticket found recently costs $149.
- Which month is the cheapest to fly from Santiago to Buenos Aires?
- January 2027 is currently the cheapest month, with tickets from $149.
- Are there direct flights from Santiago to Buenos Aires?
- Yes. Direct flights were found from $149.
- Which airlines fly from Santiago to Buenos Aires?
- Airlines found on this route: Aerolineas Argentinas, Sky Airline, JetSmart, KLM, LATAM Airlines Group.
- How far is Buenos Aires from Santiago?
- The distance is about 1140 km. A direct flight takes about 2 h 7 min.
- How long is the flight from Santiago to Buenos Aires?
- The shortest flight takes 2 h; most take about 2 h 7 min.
- Which airports do flights from Santiago to Buenos Aires use?
- Most depart from Arturo Merino Benitez Airport and arrive at Jorge Newbery Airport.
- What is the cheapest day of the week to fly from Santiago to Buenos Aires?
- In the next two months, Sunday departures are the cheapest; the single cheapest day is 20 November at $59.