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Asuncion

$305+ Cheap flights from Key Largo, FL to Asuncion (ASU)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ASU
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Asuncion Silvio Pettirossi are usually found in June or May, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Key Largo to Asuncion

Keep the following information in mind while searching for Key Largo to Asuncion flight deals. Data was last updated August 1, 2025.

Round-trip from

$622
(Booking.com)

One-way from

$305
(Avianca)

Popular in

December

Cheapest in

June

Average price

$777
From Key Largo to Asuncion Silvio Pettirossi
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One-way flight from Key Largo to Asuncion Silvio Pettirossi
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Highest demand for flights based on searches. 16% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Key Largo to Asuncion

Cheapest flights from Key Largo to Asuncion
Explore the most affordable flight options available from Key Largo to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Avianca deal was found by Cheapflights users on 8/1. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:55 amMIA - ASU
1 stop19h 45mAvianca
Fri 9/58:10 amASU - MIA
1 stop20h 55mAvianca
Deal found 8/1$655
This Booking.com deal was found by Cheapflights users on 7/31. 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.
Tue 11/259:30 pmMIA - ASU
2 stops36h 00mGOL
Sun 11/3012:20 pmASU - MIA
2 stops53h 30mGOL
Deal found 7/31$671
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Thu 8/285:00 pmMIA - ASU
1 stop10h 40mMultiple Airlines
Thu 9/46:55 pmASU - MIA
2 stops23h 28mMultiple Airlines
Deal found 7/31$692
This FlightHub deal was found by Cheapflights users on 7/31. 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 10/810:40 amMIA - ASU
1 stop22h 25mLATAM Airlines
Wed 10/158:25 amASU - MIA
1 stop13h 10mLATAM Airlines
Deal found 7/31$707
This Gotogate deal was found by Cheapflights users on 8/1. 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.
Mon 9/89:10 amMIA - ASU
1 stop15h 40mAerolineas Argentinas
Sat 5/163:25 amASU - MIA
1 stop28h 35mAerolineas Argentinas
Deal found 8/1$716

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Asuncion 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 August 1, 2025.
Use the filters below to find and compare flights from Key Largo to Asuncion that are best for you.

Fly from

Key Largo

Fly to

Asuncion

Route

Depart

Return

Price

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Thu 8/21

7:55 am-4:40 am

1 stop19h 45m

Asuncion Silvio Pettirossi

Fri 9/5

8:10 am-4:05 am

1 stop20h 55m

$655

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Tue 11/25

9:30 pm-11:30 am

2 stops36h 00m

Asuncion Silvio Pettirossi

Sun 11/30

12:20 pm-3:50 pm

2 stops53h 30m

$671

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Tue 1/20

3:55 pm-6:15 am

1 stop12h 20m

Asuncion Silvio Pettirossi

Thu 1/29

8:25 am-7:25 pm

1 stop13h 00m

$677

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Thu 8/28

5:00 pm-4:40 am

1 stop10h 40m

Asuncion Silvio Pettirossi

Thu 9/4

6:55 pm-5:23 pm

2 stops23h 28m

$692

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Mon 9/8

9:10 am-1:50 am

1 stop15h 40m

Asuncion Silvio Pettirossi

Sat 5/16

3:25 am-7:00 am

1 stop28h 35m

$716

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Tue 9/9

7:55 am-4:40 am

1 stop19h 45m

$305

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Tue 9/9

9:45 am-5:40 pm

2 stops30h 55m

$331

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Tue 11/18

9:30 pm-11:30 am

2 stops36h 00m

$340

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Fri 8/29

8:40 am-11:54 pm

2 stops38h 14m

$364

MiamiAsuncion

MIA - ASU

MIAASU

Miami

Mon 9/8

10:00 pm-2:10 pm

1 stop15h 10m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 results
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Best time to book a flight from Key Largo to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from Key Largo 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 Key Largo to Asuncion

How far ahead should I book a flight from Key Largo to Asuncion?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Asuncion. Price data was last updated on July 25, 2025.

The best time to book flights from Key Largo to Asuncion is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Asuncion?

Currently, April is the cheapest month in which you can book a flight from Key Largo to Asuncion (average of $715). Flying from Key Largo to Asuncion in December is currently the most expensive (average of $1,024). 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 KE9 to ASU?

Find hourly flight availability from Key Largo to Asuncion. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Asuncion as you normally would.

What is the cheapest day to fly from Key Largo to Asuncion?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Asuncion. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Asuncion flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Asuncion

Get insights into the airlines that provide service to Asuncion. 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 Asuncion. Reviews last updated August 1, 2025.
See what other customers who have flown with Aerolineas Argentinas, LATAM Airlines, and Copa Airlines from Key Largo to Asuncion have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Aerolineas Argentinas
8.1
Very good
899 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
LATAM Airlines
7.5
Good
1,823 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
Copa Airlines
7.5
Good
1,493 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
United Airlines
7.4
Good
8,904 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.
GOL
7.3
Good
1,091 reviews
Aerolineas Argentinas
8.1
Very good
899 reviews

Boarding

8.0

Overall

8.1

Comfort

7.5

Entertainment

5.7

Food

6.4

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Asuncion. 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 into for flights to Asuncion from Key Largo?

    Most people fly into Asuncion Silvio Pettirossi (ASU) if they book a flight to Asuncion from Key Largo. On average, Silvio Pettirossi has 0 inbound flights from Key Largo per day from 3 airlines. Asuncion Silvio Pettirossi is conveniently located just 7.8 mi from Asuncion’s city center.

  • What are the cheapest airlines to fly from Key Largo to Asuncion one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $305. Users have also found prices from $340 and $364 on GOL and United Airlines, respectively.

  • Can I find deals for flights from Key Largo to Asuncion that include hotel bookings?

    Yes. In addition to deals on Key Largo to Asuncion flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Asuncion?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Asuncion.

  • Can I find deals for business class flights from Key Largo to Asuncion?

    Yes. Cheapflights offers flight deals from Key Largo to Asuncion 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 Key Largo to Asuncion?

    Currently, April is the cheapest month in which you can book a flight from Key Largo to Asuncion (average of $715). Flying from Key Largo to Asuncion in December is currently the most expensive (average of $1,024). 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 Key Largo to Asuncion

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Key Largo to Asuncion

Discover the top 3 airlines that operate flights from Key Largo to Asuncion. 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$266Average$580FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$499Average$814FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$592Average$794FlexibilityNo cancel feeOn-time81%

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