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$260+ Cheap flights from Quito (UIO) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — BUE
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Quito Mariscal Sucr to Buenos Aires are usually found in March or October, booked 66 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Quito to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Quito (UIO) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$545
(JetSMART)

One-way from

$260
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$586

Good round-trip deal

$532 or less
From Quito Mariscal Sucr to Buenos Aires (BUE)
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One-way flight from Quito Mariscal Sucr to Buenos Aires (BUE)
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Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Quito Mariscal Sucr to Buenos Aires (BUE).
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Find flight deals from Quito to Buenos Aires

Cheapest flights from Quito to Buenos Aires
Explore the most affordable flight options available from Quito to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:41 pmUIO - AEP
1 stop9h 59mMultiple Airlines
Mon 10/65:05 pmAEP - UIO
1 stop10h 59mMultiple Airlines
Deal found 9/15$555
This JetSMART deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:49 pmUIO - AEP
1 stop9h 31mJetSMART
Sun 3/295:15 amAEP - UIO
1 stop12h 34mJetSMART
Deal found 9/17$573
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:41 pmUIO - AEP
1 stop9h 59mJetSMART
Thu 10/2310:30 amAEP - UIO
2 stops31h 24mJetSMART
Deal found 9/15$580
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:41 pmUIO - AEP
1 stop9h 59mMultiple Airlines
Wed 10/298:25 pmAEP - UIO
1 stop16h 40mMultiple Airlines
Deal found 9/17$590
This JetSMART deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:49 pmUIO - AEP
1 stop9h 31mJetSMART
Sun 11/165:15 amAEP - UIO
1 stop12h 45mJetSMART
Deal found 9/16$593
This JetSMART deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/54:49 pmUIO - AEP
1 stop9h 31mJetSMART
Sun 11/235:15 amAEP - UIO
1 stop12h 45mJetSMART
Deal found 9/17$594
This JetSMART deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/94:49 pmUIO - AEP
2 stops16h 31mJetSMART
Sat 11/155:10 pmAEP - UIO
2 stops24h 50mJetSMART
Deal found 9/17$595
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:49 pmUIO - AEP
1 stop9h 31mJetSMART
Sun 11/165:15 amAEP - UIO
1 stop12h 45mJetSMART
Deal found 9/15$597
This JetSMART deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:49 pmUIO - AEP
1 stop9h 31mJetSMART
Sun 11/235:15 amAEP - UIO
1 stop12h 45mJetSMART
Deal found 9/17$602
This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:15 pmUIO - EZE
1 stop12h 15mLATAM Airlines
Tue 10/213:40 pmEZE - UIO
1 stop12h 24mLATAM Airlines
Deal found 9/16$602
This JetSMART deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetSMART is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:49 pmUIO - AEP
1 stop9h 31mJetSMART
Wed 11/265:15 amAEP - UIO
1 stop12h 45mJetSMART
Deal found 9/17$603
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:41 pmUIO - EZE
3 stops28h 59mMultiple Airlines
Sun 10/53:55 amEZE - UIO
1 stop9h 20mMultiple Airlines
Deal found 9/15$604

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quito to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Quito to Buenos Aires that are best for you.

Fly from

Quito

Fly to

Buenos Aires

Route

Depart

Return

Price

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 3/11

4:36 pm-4:20 am

1 stop9h 44m

Buenos Aires Jorge Newbery

Wed 3/18

5:15 am-3:49 pm

1 stop12h 34m

$545

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Sun 12/21

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 3/29

5:15 am-3:49 pm

1 stop12h 34m

$573

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 10/15

4:41 pm-4:40 am

1 stop9h 59m

Buenos Aires Jorge Newbery

Thu 10/23

10:30 am-3:54 pm

2 stops31h 24m

$580

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 11/7

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 11/23

5:15 am-4:00 pm

1 stop12h 45m

$588

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 10/15

4:41 pm-4:40 am

1 stop9h 59m

Buenos Aires Jorge Newbery

Wed 10/29

8:25 pm-11:05 am

1 stop16h 40m

$590

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 11/7

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 11/16

5:15 am-4:00 pm

1 stop12h 45m

$593

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 11/5

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 11/23

5:15 am-4:00 pm

1 stop12h 45m

$594

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 11/12

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 11/16

5:15 am-4:00 pm

1 stop12h 45m

$597

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 11/19

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Sun 11/23

5:15 am-4:00 pm

1 stop12h 45m

$602

QuitoBuenos Aires

UIO - EZE

UIOEZE

Quito Mariscal Sucr

Thu 10/16

2:33 pm-4:19 am

1 stop11h 46m

Buenos Aires Ministro Pistarini

Mon 11/3

3:57 am-12:51 pm

1 stop10h 54m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 36 results
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Best time to book a flight from Quito to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Quito with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Quito to Buenos Aires

How far ahead should I book a flight from Quito to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Quito to Buenos Aires. Price data was last updated on September 12, 2025.

The price you pay for your flight from Quito to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Quito to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of $795). Flying from Quito to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UIO to BUE?

Find hourly flight availability from Quito to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Quito to Buenos Aires, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 4% versus a flight in the afternoon.

What is the cheapest day to fly from Quito to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Quito to Buenos Aires. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their Quito to Buenos Aires flight should consider departing on Monday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Quito to Buenos Aires

Explore weekly flight availability from Quito to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from UIO to BUE are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Quito to Buenos Aires, such as LATAM Airlines, Avianca, and JetSMART. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,849 reviews

Boarding

7.6

Comfort

7.4

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.
LATAM Airlines
7.5
Good
1,849 reviews
LATAM Airlines
7.5
Good
1,849 reviews

Boarding

7.6

Comfort

7.4

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.
Avianca
6.7
Okay
2,436 reviews
LATAM Airlines
7.5
Good
1,849 reviews

Boarding

7.6

Comfort

7.4

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.
JetSMART
6.5
Okay
225 reviews
LATAM Airlines
7.5
Good
1,849 reviews

Boarding

7.6

Comfort

7.4

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Darrel,Sep 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

Related info for your journey

Find useful and relevant information for your journey from Quito to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Quito to Buenos Aires?

    For a flight from Quito to Buenos Aires, you will be flying from Mariscal Sucr. Quito Mariscal Sucr (UIO) is just 14.0 mi from the center of the city. Mariscal Sucr is the only Quito airport and it handles 1 outbound flight to Buenos Aires per day. 2 airlines have flights to Buenos Aires from Quito Mariscal Sucr on a regular basis.

  • How long is the flight from Quito to Buenos Aires?

    For as low as $545, JetSMART can have you in Buenos Aires from Quito in 9h 44m. The distance from Quito to Buenos Aires is about 2704 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Quito to Buenos Aires round-trip?

    According to our current data, Avianca ($508), and LATAM Airlines ($525) offers the cheapest pricing from Quito to Buenos Aires. Avianca is priced at 14% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Quito to Buenos Aires?

    No one likes to see their flight delayed. When booking a flight from Quito to Buenos Aires consider choosing Avianca Costa Rica (89%), Avianca (77%) or Avianca Ecuador (65%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Quito to Buenos Aires?

    On average you can expect to pay $603 for a flight from Quito to Buenos Aires. The cheapest flight overall is $468 while the most popular route, (Quito Mariscal Sucr - Buenos Aires Ministro Pistarini) is currently priced at $602.

  • Can I find deals for flights from Quito to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Quito to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Quito to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quito to Buenos Aires.

  • Can I find deals for business class flights from Quito to Buenos Aires?

    Yes. Cheapflights offers flight deals from Quito to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Quito to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of $795). Flying from Quito to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Quito to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Quito to Ministro Pistarini flights
Guayaquil to Ministro Pistarini flights
Quito to Jorge Newbery flights

Top 2 airlines flying from Quito to Buenos Aires

Discover the top 2 airlines that operate flights from Quito to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$508Average$615FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$525Average$632FlexibilityNo cancel feeOn-time81%

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