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$233+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Quito Mariscal Sucr to Buenos Aires are usually found in September or November, booked 47 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$475
(Booking.com)

One-way from

$233
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$586

Good round-trip deal

$662 or less

Good one-way deal

$347 or less
Provider with most accurate pricing for Quito Mariscal Sucr-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Quito Mariscal Sucr-Buenos Aires (BUE) flights.
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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 ($9 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 October 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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Price to beat on a one-way 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 October 30, 2025.

This JetSMART deal was found by Cheapflights users on 10/29. 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 45mJetSMART
Deal found 10/29$477
This OneTravel deal was found by Cheapflights users on 10/29. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:49 pmUIO - AEP
1 stop9h 31mJetSMART
Wed 4/15:15 amAEP - UIO
1 stop12h 39mJetSMART
Deal found 10/29$491
This JetSMART deal was found by Cheapflights users on 10/29. 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
Wed 12/315:20 amAEP - UIO
1 stop12h 40mJetSMART
Deal found 10/29$495
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/104:49 pmUIO - AEP
1 stop9h 31mMultiple Airlines
Fri 4/37:39 pmAEP - UIO
2 stops46h 30mMultiple Airlines
Deal found 10/29$510
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 12/74:49 pmUIO - AEP
1 stop9h 31mMultiple Airlines
Fri 4/37:39 pmAEP - UIO
2 stops46h 30mMultiple Airlines
Deal found 10/29$524
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/54:49 pmUIO - AEP
1 stop9h 31mMultiple Airlines
Fri 4/37:39 pmAEP - UIO
2 stops46h 30mMultiple Airlines
Deal found 10/29$530
This JetSMART deal was found by Cheapflights users on 10/29. 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 12/194:49 pmUIO - AEP
1 stop9h 31mJetSMART
Wed 12/315:20 amAEP - UIO
1 stop12h 40mJetSMART
Deal found 10/29$531
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/104:49 pmUIO - AEP
1 stop9h 31mMultiple Airlines
Mon 3/309:30 amAEP - UIO
2 stops25h 05mMultiple Airlines
Deal found 10/29$534
This JetSMART deal was found by Cheapflights users on 10/30. 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 12/174:49 pmUIO - AEP
2 stops23h 51mJetSMART
Fri 2/2710:10 pmAEP - UIO
2 stops43h 50mJetSMART
Deal found 10/30$542
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 12/74:49 pmUIO - AEP
1 stop9h 31mMultiple Airlines
Mon 3/309:30 amAEP - UIO
2 stops25h 05mMultiple Airlines
Deal found 10/29$548
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Sun 12/74:49 pmUIO - EZE
2 stops21h 13mMultiple Airlines
Tue 12/91:40 amEZE - UIO
1 stop13h 30mMultiple Airlines
Deal found 10/29$569
This JetSMART deal was found by Cheapflights users on 10/30. 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 12/194:49 pmUIO - EZE
2 stops18h 59mJetSMART
Fri 2/277:00 pmEZE - UIO
2 stops47h 00mJetSMART
Deal found 10/30$577

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 October 30, 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 4/1

4:41 pm-4:20 am

1 stop9h 39m

Buenos Aires Jorge Newbery

Wed 4/8

5:15 am-3:54 pm

1 stop12h 39m

$477

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Sun 12/7

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Wed 4/1

5:15 am-3:54 pm

1 stop12h 39m

$491

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Sun 12/21

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Wed 12/31

5:20 am-4:00 pm

1 stop12h 40m

$495

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 12/24

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Wed 12/31

5:20 am-4:00 pm

1 stop12h 40m

$495

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Sun 3/15

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Fri 3/20

5:15 am-4:00 pm

1 stop12h 45m

$513

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 3/20

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Fri 3/27

5:15 am-4:00 pm

1 stop12h 45m

$513

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 3/13

4:49 pm-9:20 pm

2 stops26h 31m

Buenos Aires Jorge Newbery

Tue 3/17

10:10 pm-4:00 pm

2 stops19h 50m

$523

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 12/19

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Wed 12/31

5:20 am-4:00 pm

1 stop12h 40m

$531

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 1/14

4:49 pm-4:20 am

1 stop9h 31m

Buenos Aires Jorge Newbery

Fri 1/30

5:15 am-4:00 pm

1 stop12h 45m

$531

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 3/25

4:49 pm-9:20 pm

2 stops26h 31m

Buenos Aires Jorge Newbery

Sat 4/4

5:19 am-4:09 pm

2 stops36h 50m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 35 results
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Compare providers for flights from Quito to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Quito to Buenos Aires in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Quito-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Quito-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Quito-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Quito-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Quito-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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 47 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, May is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of $224). Flying from Quito to Buenos Aires in February is currently the most expensive (average of $306). 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 October 30, 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 27% versus a flight at noon.

How much does it cost to fly round-trip from Quito to Buenos Aires?

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 October 30, 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
1,872 reviews

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,872 reviews
LATAM Airlines
7.5
Good
1,872 reviews

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Avianca
6.6
Okay
2,467 reviews
LATAM Airlines
7.5
Good
1,872 reviews

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
JetSMART
6.6
Okay
236 reviews
LATAM Airlines
7.5
Good
1,872 reviews

Food

6.7

Comfort

7.3

Entertainment

7.0

Crew

8.0

Overall

7.5

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 $643, JetSMART can have you in Buenos Aires from Quito in 7h 55m. The distance from Quito to Buenos Aires is about 2716 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 ($514), and LATAM Airlines ($525) offers the cheapest pricing from Quito to Buenos Aires. Avianca is priced at 13% 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 (78%), Avianca (77%) or Avianca Ecuador (77%) 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 $580 for a flight from Quito to Buenos Aires. The cheapest flight overall is $330 while the most popular route, (Quito Mariscal Sucr - Buenos Aires Ministro Pistarini) is currently priced at $569.

  • 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, May is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of $224). Flying from Quito to Buenos Aires in February is currently the most expensive (average of $306). 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

Browse thousands of different options on Cheapflights for your next trip

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$514Average$658FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$525Average$632FlexibilityNo cancel feeOn-time81%

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