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Flights from Santiago to Buenos Aires

Hi, I've summed up all the key info for Santiago to Buenos Aires flights

Cheapest one-way

US$ 37
JetSMART Airlines Sun, Oct 11

79% below next 30d avg. (US$178)

Cheapest round-trip

US$ 135
JetSMART Airlines Fri, Nov 6

63% below next 30d avg. (US$364)

When to fly

September Cheapest month
July Peak month

Fastest flight

2h 1m 37m faster than avg. (2h 38m)

Recommended airlines

With a lowest one-way fare of US$37 , travelers can expect an average price of US$178 for upcoming trips, while round-trip tickets start at US$135 . Flights typically take around 2h 38m , but the fastest nonstop option completes the journey in just 2h 1m minutes. There are 58 flights weekly on this route. You can land at any one of the following hubs in Buenos Aires: Jorge Newbery Airport (AEP) , and Ezeiza International Airport (EZE) . Flying from Arturo Merino Benitez International Airport to Jorge Newbery Airport (SCL-AEP) is by far the most common option on this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 2d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Santiago to Buenos Aires over the next 90 days, with one-way fares from US$37 and round-trip from US$135. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SCL 09:13
        2h 7m
        Nonstop
        AEP 11:20
        Santiago - Buenos Aires | Fri, Nov 6 | JetSMART Airlines
        AEP 21:30
        2h 25m
        Nonstop
        SCL 23:55
        Buenos Aires - Santiago | Sat, Nov 14 | Sky Airline
        US$135 US$228
        41% off
        41% off
        US$228 US$135
      • SCL 19:12
        2h 8m
        Nonstop
        AEP 21:20
        Santiago - Buenos Aires | Thu, Oct 1 | JetSMART Airlines
        AEP 21:30
        2h 25m
        Nonstop
        SCL 23:55
        Buenos Aires - Santiago | Tue, Oct 6 | Sky Airline
        US$135 US$228
        41% off
        41% off
        US$228 US$135
      • SCL 19:12
        2h 8m
        Nonstop
        AEP 21:20
        Santiago - Buenos Aires | Mon, Sep 28 | JetSMART Airlines
        AEP 21:30
        2h 25m
        Nonstop
        SCL 23:55
        Buenos Aires - Santiago | Fri, Oct 2 | Sky Airline
        US$136 US$228
        40% off
        40% off
        US$228 US$136
      • SCL 09:09
        2h 11m
        Nonstop
        AEP 11:20
        Santiago - Buenos Aires | Wed, Oct 28 | JetSMART Airlines
        AEP 05:45
        2h 22m
        Nonstop
        SCL 08:07
        Buenos Aires - Santiago | Sun, Nov 1 | JetSMART Airlines
        US$137
        40% off
        US$228 US$137
      • SCL 19:13
        2h 7m
        Nonstop
        AEP 21:20
        Santiago - Buenos Aires | Sat, Nov 7 | JetSMART Airlines
        AEP 11:50
        2h 20m
        Nonstop
        SCL 14:10
        Buenos Aires - Santiago | Wed, Nov 11 | Sky Airline
        US$138
        39% off
        US$228 US$138
      • SCL 04:58
        2h 2m
        Nonstop
        EZE 07:00
        Santiago - Buenos Aires | Wed, Oct 28 | Sky Airline
        EZE 19:30
        2h 21m
        Nonstop
        SCL 21:51
        Buenos Aires - Santiago | Wed, Oct 28 | Sky Airline
        US$138
        39% off
        US$228 US$138
      • SCL 09:12
        2h 8m
        Nonstop
        AEP 11:20
        Santiago - Buenos Aires | Tue, Oct 27 | JetSMART Airlines
        AEP 21:30
        2h 25m
        Nonstop
        SCL 23:55
        Buenos Aires - Santiago | Wed, Nov 4 | Sky Airline
        US$139
        39% off
        US$228 US$139
      • SCL 01:35
        2h 5m
        Nonstop
        AEP 03:40
        Santiago - Buenos Aires | Mon, Sep 28 | Sky Airline
        AEP 11:55
        2h 25m
        Nonstop
        SCL 14:20
        Buenos Aires - Santiago | Thu, Oct 1 | Sky Airline
        US$142
        38% off
        US$228 US$142
      • SCL 01:55
        2h 5m
        Nonstop
        EZE 04:00
        Santiago - Buenos Aires | Sat, Sep 19 | Sky Airline
        AEP 09:35
        2h 30m
        Nonstop
        SCL 12:05
        Buenos Aires - Santiago | Thu, Sep 24 | Sky Airline
        US$181
        21% off
        US$228 US$181
      • SCL 05:03
        2h 2m
        Nonstop
        EZE 07:05
        Santiago - Buenos Aires | Wed, Oct 21 | Sky Airline
        EZE 19:30
        2h 21m
        Nonstop
        SCL 21:51
        Buenos Aires - Santiago | Wed, Oct 28 | Sky Airline
        US$200
        12% off
        US$228 US$200
      • SCL 13:00
        17h 25m
        1 stop
        BUE 14:00
        Santiago - Buenos Aires | Sun, Sep 13 | Normal Airline
        BUE 15:00
        6h
        Nonstop
        SCL 16:00
        Buenos Aires - Santiago | Tue, Sep 15 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        SCL 09:09
        2h 11m
        Nonstop
        AEP 11:20
        Santiago - Buenos Aires | Sun, Oct 11 | JetSMART Airlines
        US$37 US$61
        39% off
        39% off
        US$61 US$37
      • SCL 18:33
        2h 7m
        Nonstop
        AEP 20:40
        Santiago - Buenos Aires | Sun, Oct 11 | Sky Airline
        US$49 US$61
        20% off
        20% off
        US$61 US$49
      • SCL 18:33
        2h 7m
        Nonstop
        AEP 20:40
        Santiago - Buenos Aires | Sat, Oct 24 | Sky Airline
        US$51 US$61
        16% off
        16% off
        US$61 US$51
      • SCL 16:20
        2h 1m
        Nonstop
        EZE 18:21
        Santiago - Buenos Aires | Sun, Sep 27 | LATAM Airlines
        US$52
        15% off
        US$61 US$52
      • SCL 18:33
        2h 7m
        Nonstop
        AEP 20:40
        Santiago - Buenos Aires | Wed, Oct 28 | Sky Airline
        US$53
        13% off
        US$61 US$53
      • SCL 08:55
        2h 5m
        Nonstop
        AEP 11:00
        Santiago - Buenos Aires | Wed, Nov 4 | Sky Airline
        US$53
        13% off
        US$61 US$53
      • SCL 08:55
        2h 5m
        Nonstop
        AEP 11:00
        Santiago - Buenos Aires | Mon, Nov 2 | Sky Airline
        US$53
        13% off
        US$61 US$53
      • SCL 19:12
        2h 8m
        Nonstop
        AEP 21:20
        Santiago - Buenos Aires | Sun, Sep 27 | JetSMART Airlines
        US$53
        13% off
        US$61 US$53
      • SCL 18:35
        2h 5m
        Nonstop
        AEP 20:40
        Santiago - Buenos Aires | Tue, Nov 10 | Sky Airline
        US$53
        13% off
        US$61 US$53
      • SCL 05:03
        2h 2m
        Nonstop
        EZE 07:05
        Santiago - Buenos Aires | Wed, Oct 7 | Sky Airline
        US$53
        13% off
        US$61 US$53
      • SCL 13:00
        17h 25m
        1 stop
        BUE 14:00
        Santiago - Buenos Aires | Sun, Sep 13 | Normal Airline
        More cheap flights
        More cheap flights

Flight.News
Flights from Santiago to Buenos Aires operate an average of 22 times per day over the past 7 days, with a 36.8% on-time departure rate and a 88.5% on-time arrival rate.

Which airlines are the most popular for Santiago to Buenos Aires flights?

The most popular airlines flying from Santiago to Buenos Aires are LATAM Airlines, Sky Airline, and JetSMART Airlines, among 5 carriers on this route. JetSMART Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
LATAM Airlines logo LATAM Airlines
Sky Airline logo Sky Airline
JetSMART Airlines logo JetSMART Airlines
Aerolineas Argentinas logo Aerolineas Argentinas
KLM logo KLM
Airlines are determined based on actual purchased flight tickets from Santiago to Buenos Aires according to previous 12 months data from Trip.com.

Santiago to Buenos Aires Flight Information

The distance between Santiago and Buenos Aires is about 1,151.5 km. The average flying time from Santiago to Buenos Aires is around 2 hours 38 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight price US$37
Cheapest return ticket price US$135
Cheapest month September
Peak season for travel July
Flight distance 1,151.5 km
Average flight time 2 hours 38 minutes
Popular airline LATAM Airlines
Frequency ～60/week
Flight statistics for the Santiago–Buenos Aires route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Trends on Flights from Santiago to Buenos Aires

Which month has the cheapest one-way flights from Santiago to Buenos Aires?

Average monthly one-way flight prices from Santiago to Buenos Aires, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Santiago to Buenos Aires is December, with an average price of US$87; while the month with the highest flight price is usually August, with an average price of up to US$149.

US$149
US$118
US$87
US$56
    Cheapest
  • US$110
    Sep
  • US$108
    Oct
  • US$113
    Nov
  • US$87
    Dec
  • US$118
    Jan
  • US$143
    Feb
  • US$89
    Mar
  • US$114
    Apr
  • US$113
    May
  • US$120
    Jun
  • US$132
    Jul
  • US$149
    Aug

Which month has the cheapest round-trip flights from Santiago to Buenos Aires?

The average price of round-trip flights from Santiago to Buenos Aires purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Santiago to Buenos Aires are found during January, with an average price of US$219. Conversely, the highest prices are found during August, with an average price of up to US$361.

US$361
US$290
US$219
US$148
    Cheapest
  • US$318
    Sep
  • US$261
    Oct
  • US$321
    Nov
  • US$257
    Dec
  • US$219
    Jan
  • US$269
    Feb
  • US$299
    Mar
  • US$285
    Apr
  • US$258
    May
  • US$253
    Jun
  • US$324
    Jul
  • US$361
    Aug

Frequently Asked Questions

  • What are the cheapest flights from Santiago to Buenos Aires (SCL-BUE)?

    Based on Trip.com data, JetSMART Airlines offers one-way fares as low as US$37 on Cheapest nonstop routes (e.g. SCL to AEP on Sun, Oct 11), while JetSMART Airlines offers Cheapest nonstop round-trips from US$135 departing on Fri, Nov 6 and returning on Sat, Nov 14.
  • At the moment, you can catch a nonstop flight from Santiago to Buenos Aires with the following airlines, including: Sky Airline LATAM Airlines Aerolineas Argentinas KLM Royal Dutch Airlines JetSMART Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 38 minutes to fly from Santiago to Buenos Aires.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Santiago to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 58 flight per week flying from Santiago to Buenos Aires. You can check the weekly schedule for popular airlines on this route below: Aerolineas Argentinas: S/M/T/W/T/F/S -- AR7803 (11:47) KLM Royal Dutch Airlines: S/M/T/W/T/F/S -- KL702 (11:47)
  • To find best deals on flights from Santiago to Buenos Aires, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Oct 11, with one-way flights priced at just US$37.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is JetSMART Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Buenos Aires travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Santiago to Buenos Aires is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Santiago to Buenos Aires on September 23, 2026 with JetSMART, with prices starting at US$29.
  • You can land at any one of the following hubs in Buenos Aires: Jorge Newbery Airport (AEP), and Ezeiza International Airport (EZE). Flying from Arturo Merino Benitez International Airport to Jorge Newbery Airport (SCL-AEP) is by far the most common option on this route.
  • The time difference between Buenos Aires and Santiago is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Santiago to Buenos Aires is US$178. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Santiago to Buenos Aires is US$364. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Santiago and Buenos Aires, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • JetSMART and Sky Airlineare the most popular budget airlines flying from Santiago to Buenos Aires. Check baggage, seat and payment fees before comparing the final price.

Trip.com Airline Insights on Flights from Santiago to Buenos Aires

Which airline offers the cheapest direct flights from Santiago to Buenos Aires?

Data is based on the average price of all nonstop flights from Santiago to Buenos Aires on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, JetSMART Airlines provides the lowest-priced direct flights from Santiago to Buenos Aires, with fares starting at US$112.

US$89
US$112
US$136
US$159
US$182
JetSMART Airlines
US$112
JetSMART Airlines
Sky Airline
US$113
Sky Airline
Aerolineas Argentinas
US$144
Aerolineas Argentinas
KLM
US$157
KLM
LATAM Airlines
US$182
LATAM Airlines

Which airline operates the most flights from Santiago to Buenos Aires?

Total flights from Santiago to Buenos Aires across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, LATAM Airlines operates the most frequent flights from Santiago to Buenos Aires, with 43 flights per week.

0
9
26
43
LATAM Airlines
43
LATAM Airlines
Aerolineas Argentinas
23
Aerolineas Argentinas
Sky Airline
22
Sky Airline
JetSMART Airlines
19
JetSMART Airlines
Gol Linhas Aereas Inteligentes
15
Gol Linhas Aereas Inteligentes
KLM
9
KLM

How many flights fly from Santiago to Buenos Aires daily?

The data is based on the flight numbers for each day of the week from Santiago to Buenos Aires within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Santiago to Buenos Aires is the highest on Friday and the lowest on Tuesday.

104
87
69
52
Highest
77
Mon
69
Tue
77
Wed
70
Thu
104
Fri
102
Sat
88
Sun

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.