Asuncion

$231+ Cheap flights from San José (SJO) 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — ASU
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to Asuncion Silvio Pettirossi are usually found in March or May, booked 33 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap flight deals from San José to Asuncion

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Asuncion (ASU). 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 June 12, 2025.

Round-trip from

$421
(LATAM Airlines)

One-way from

$231
(Avianca)

Popular in

January

Cheapest in

March

Average price

$530
From San José Juan Santamaria Intl to Asuncion Silvio Pettirossi
One-way flight from San José Juan Santamaria Intl to Asuncion Silvio Pettirossi
Highest demand for flights based on searches. 19% potential increase in price ($123 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from San José to Asuncion

Cheapest flights from San José to Asuncion
Explore the most affordable flight options available from San José to Asuncion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This LATAM Airlines deal was found by Cheapflights users on 6/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:00 pmSJO - ASU
2 stops27h 55mLATAM Airlines
Sat 8/308:25 amASU - SJO
1 stop10h 10mLATAM Airlines
Deal found 6/10$421
This Avianca deal was found by Cheapflights users on 6/11. 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 8/2110:10 amSJO - ASU
1 stop15h 30mAvianca
Wed 8/278:10 amASU - SJO
1 stop10h 40mAvianca
Deal found 6/11$469
This Copa Airlines deal was found by Cheapflights users on 6/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:05 amSJO - ASU
1 stop10h 52mCopa Airlines
Tue 6/176:28 amASU - SJO
1 stop10h 26mCopa Airlines
Deal found 6/10$531
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/14:45 pmSJO - ASU
1 stop8h 55mMultiple Airlines
Sat 7/58:25 amASU - SJO
1 stop10h 10mMultiple Airlines
Deal found 6/11$585
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:45 amSJO - ASU
2 stops41h 57mUnited Airlines
Fri 11/141:44 amASU - SJO
2 stops45h 55mUnited Airlines
Deal found 6/9$1,524

Cheapflights Fare Finder

Customize your flight search to find flights from San José 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 June 12, 2025.
Use the filters below to find and compare flights from San José to Asuncion that are best for you.

Fly from

San José

Fly to

Asuncion

Route

Depart

Return

Price

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Thu 8/28

5:00 pm-11:55 pm

2 stops27h 55m

Asuncion Silvio Pettirossi

Sat 8/30

8:25 am-3:35 pm

1 stop10h 10m

$421

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Thu 8/21

10:10 am-4:40 am

1 stop15h 30m

Asuncion Silvio Pettirossi

Wed 8/27

8:10 am-3:50 pm

1 stop10h 40m

$469

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Tue 7/1

4:45 pm-4:40 am

1 stop8h 55m

Asuncion Silvio Pettirossi

Mon 7/7

8:25 am-3:35 pm

1 stop10h 10m

$585

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Thu 8/21

4:10 am-11:54 pm

1 stop16h 44m

Asuncion Silvio Pettirossi

Tue 8/26

3:44 am-6:59 pm

1 stop18h 15m

$642

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Wed 11/5

8:45 am-5:42 am

2 stops41h 57m

Asuncion Silvio Pettirossi

Fri 11/14

1:44 am-8:39 pm

2 stops45h 55m

$1,524

San JoséAsuncion

SJO - ASU

SJOASU

San José Juan Santamaria Intl

Tue 6/24

10:10 am-4:40 am

1 stop15h 30m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from San José to Asuncion

Have a flexible travel schedule? Discover the best time to fly to Asuncion from San José 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 San José to Asuncion

How far ahead should I book a flight from San José, San José Province to Asuncion?

Use this chart to determine the optimal time to book a round-trip flight from San José to Asuncion. Price data was last updated on June 9, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José, San José Province to Asuncion. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San José, San José Province to Asuncion?

Currently, April is the cheapest month in which you can book a flight from San José, San José Province to Asuncion (average of $715). Flying from San José, San José Province 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 SJO to ASU?

Find hourly flight availability from San José 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 June 12, 2025.

When flying from San José, San José Province to Asuncion, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 27% versus a flight in the morning.

Rainfall in Asuncion by month

Plan your trip to Asuncion by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Asuncion ranges from 1.6 - 5.5 inches per month. January is typically the wettest month, when rainfall can reach 5.5 in. August is typically the driest time to visit Asuncion when rainfall is around 1.6 in.

Temperature in Asuncion by month

Plan your trip to Asuncion by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Asuncion, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 64.4 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with LATAM Airlines, Copa Airlines and United Airlines from San José to Asuncion to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Entertainment

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Food

6.7

Entertainment

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Food

6.7

Entertainment

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Food

6.7

Entertainment

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Food

6.7

Entertainment

7.0

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

Find useful and relevant information for your journey from San José to Asuncion. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from San José, San José Province to Asuncion round-trip?

    Flying on LATAM Airlines is currently your cheapest option to Asuncion, with prices starting at $421. Additional round-trip tickets that might be worth considering are offered by Avianca and Copa Airlines, with the lowest prices starting at $469 and $642, respectively. LATAM Airlines is currently priced 19% below the average price you’ll pay for this route.

  • Can I find deals for flights from San José to Asuncion that include hotel bookings?

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

  • How can I find direct flights from San José to Asuncion?

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

  • Can I find deals for business class flights from San José to Asuncion?

    Yes. Cheapflights offers flight deals from San José 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 San José, San José Province to Asuncion?

    Currently, April is the cheapest month in which you can book a flight from San José, San José Province to Asuncion (average of $715). Flying from San José, San José Province 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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Top 3 airlines flying from San José to Asuncion

Discover the top 3 airlines that operate flights from San José 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$276Average$369FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$330Average$644FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$396Average$911FlexibilityNo cancel feeOn-time81%

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