Cheap flights from Quito to Buenos Aires from £173

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 22/3. Fares are subject to change and may not be available on all flights or dates of travel.
UIO — BUE
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quito to Buenos Aires

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 31/1216:49UIO - AEP
1 stop9h 31mJetSMART
Wed 25/305:15AEP - UIO
1 stop12h 45mJetSMART
Deal found 16/12£408
Wed 31/1212:13UIO - EZE
1 stop10h 45mCopa Airlines
Tue 24/303:47EZE - UIO
1 stop12h 22mCopa Airlines
Deal found 17/12£434
Mon 22/1203:10UIO - EZE
1 stop19h 48mCopa Airlines
Mon 2/303:47EZE - UIO
1 stop12h 22mCopa Airlines
Deal found 16/12£449
Wed 17/1216:49UIO - AEP
1 stop9h 31mJetSMART
Wed 28/105:15AEP - UIO
1 stop12h 45mJetSMART
Deal found 16/12£461
Mon 22/1203:10UIO - EZE
1 stop19h 48mCopa Airlines
Sat 27/1214:32EZE - UIO
1 stop12h 03mCopa Airlines
Deal found 16/12£538
Thu 25/1218:34UIO - EZE
1 stop11h 25mCopa Airlines
Mon 26/103:41EZE - UIO
1 stop11h 11mCopa Airlines
Deal found 17/12£560
Sat 20/1212:13UIO - EZE
1 stop10h 45mCopa Airlines
Sun 1/314:43EZE - UIO
1 stop11h 48mCopa Airlines
Deal found 16/12£563
Sat 20/1203:10UIO - EZE
1 stop20h 48mCopa Airlines
Sun 28/1203:41EZE - UIO
1 stop11h 10mCopa Airlines
Deal found 16/12£609
Wed 24/1216:49UIO - AEP
2 stops23h 51mJetSMART
Tue 6/112:50AEP - UIO
2 stops29h 10mJetSMART
Deal found 16/12£622
Tue 16/1203:10UIO - EZE
1 stop17h 21mCopa Airlines
Sat 20/1205:16EZE - UIO
1 stop21h 19mCopa Airlines
Deal found 16/12£627
Wed 24/1216:49UIO - AEP
1 stop9h 31mJetSMART
Wed 7/105:15AEP - UIO
1 stop12h 45mJetSMART
Deal found 16/12£634
Thu 18/1203:10UIO - EZE
1 stop17h 21mCopa Airlines
Tue 30/1202:15EZE - UIO
1 stop10h 59mCopa Airlines
Deal found 16/12£640

Find 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 18 December 2025.

Round-trip from

£367

One-way from

£173

Popular in

December

Cheapest in

September

Average price

£470

Good one-way deal

£244 or less
JetSMART
  • JetSMART
  • 8/5-10/5
  • 2 total stops
  • 22h 33m total
  • Quito to Buenos Aires
JetSMART
  • JetSMART
  • 22/3
  • 2 total stops
  • 26h 31m total
  • Quito to Buenos Aires
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a one-way flight from Quito Mariscal Sucr to Buenos Aires (BUE).

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 December 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

Fri 8/5

16:41-04:20

1 stop9h 39m

Buenos Aires Jorge Newbery

Sun 10/5

05:15-16:09

1 stop12h 54m

£367

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 1/5

16:41-04:20

1 stop9h 39m

Buenos Aires Jorge Newbery

Sun 10/5

05:15-16:09

1 stop12h 54m

£372

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 25/3

16:49-18:40

2 stops23h 51m

Buenos Aires Jorge Newbery

Tue 31/3

22:10-16:04

2 stops19h 54m

£375

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 25/2

16:49-04:20

1 stop9h 31m

Buenos Aires Jorge Newbery

Fri 27/2

05:15-16:00

1 stop12h 45m

£395

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Sun 1/3

16:49-04:20

1 stop9h 31m

Buenos Aires Jorge Newbery

Wed 29/4

05:27-16:04

1 stop12h 37m

£399

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Wed 25/3

16:49-21:20

2 stops26h 31m

Buenos Aires Jorge Newbery

Sat 28/3

16:30-16:00

2 stops25h 30m

£402

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 1/5

16:41-11:20

2 stops16h 39m

Buenos Aires Jorge Newbery

Tue 5/5

19:06-15:54

2 stops22h 48m

£409

QuitoBuenos Aires

UIO - AEP

UIOAEP

Quito Mariscal Sucr

Fri 27/3

16:49-04:20

1 stop9h 31m

Buenos Aires Jorge Newbery

Fri 3/4

05:27-16:04

1 stop12h 37m

£412

QuitoBuenos Aires

UIO - EZE

UIOEZE

Quito Mariscal Sucr

Wed 4/3

12:27-04:10

1 stop13h 43m

Buenos Aires Ministro Pistarini

Fri 13/3

05:16-00:31

1 stop21h 15m

£502

QuitoBuenos Aires

UIO - EZE

UIOEZE

Quito Mariscal Sucr

Mon 2/3

15:12-04:10

1 stop10h 58m

Buenos Aires Ministro Pistarini

Tue 17/3

14:43-00:31

1 stop11h 48m

£502

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 32 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 return 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 return flight from Quito to Buenos Aires. Price data was last updated on 12 December 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 62 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, December is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of £180). Flying from Quito to Buenos Aires in February is currently the most expensive (average of £229). 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 18 December 2025.

When flying from Quito to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18 December 2025.

The most flights from UIO to BUE are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Quito to Buenos Aires delayed?

About 10% of weekly flights between Quito and Buenos Aires have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Quito to Buenos Aires flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Quito to Buenos Aires flights?

Over the past year, Avianca have had the lowest number of delays on this route, with just 10% of flights being delayed.

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 2 outbound flights to Buenos Aires per day. 0 airlines have flights to Buenos Aires from Quito Mariscal Sucr on a regular basis.

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

    Airlines like JetSMART and Copa Airlines fly from Quito to Buenos Aires in about 9h 39m. The time it takes to get you to your destination can typically vary by up to 4h 04m. The distance between Quito and Buenos Aires is about 2704 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Quito to Buenos Aires on time: Avianca Costa Rica (84%), Avianca (59%), Avianca Ecuador (33%).

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

    Looking for the cheapest flight from Quito to Buenos Aires? While on average our users pay £244, our data indicates the cheapest price to be £243. The most popular route (Quito Mariscal Sucr - Buenos Aires Ministro Pistarini), is priced around £437.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from Quito to Buenos Aires (average of £180). Flying from Quito to Buenos Aires in February is currently the most expensive (average of £229). 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

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Why should you use Cheapflights to find cheap flight tickets from Quito to Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Quito by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Quito to Buenos Aires with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Quito to Buenos Aires, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Quito to Buenos Aires become cheaper?

Yes! Start tracking prices for Quito to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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