$802 Cheap Flights from Seoul (ICN) to Asuncion (ASU)

View $802 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Asuncion (ASU-Silvio Pettirossi Intl.)

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Cheap Flights from Seoul to Asuncion (ICN-ASU)

Prices were available within the past 7 days and start at $802 for one-way flights and $1,201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 21 - Wed, Sep 3
ICN
Seoul
ASU
Asuncion
$1,201 Roundtrip, found 4 days ago
$1,201
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug 21 from Seoul to Asuncion, returning Wed, Sep 3, priced at $1,201 found 4 days ago
Asiana Airlines
Tue, Sep 16 - Sat, Sep 27
ICN
Seoul
ASU
Asuncion
$1,488 Roundtrip, found 4 days ago
$1,488
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Sep 16 from Seoul to Asuncion, returning Sat, Sep 27, priced at $1,488 found 4 days ago
Asiana Airlines
Tue, Aug 26 - Thu, Sep 18
ICN
Seoul
ASU
Asuncion
$1,504 Roundtrip, found 4 days ago
$1,504
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Aug 26 from Seoul to Asuncion, returning Thu, Sep 18, priced at $1,504 found 4 days ago
Asiana Airlines
Tue, Sep 23 - Thu, Oct 2
ICN
Seoul
ASU
Asuncion
$1,511 Roundtrip, found 4 days ago
$1,511
Roundtrip
found 4 days ago
Select Asiana Airlines flight, departing Tue, Sep 23 from Seoul to Asuncion, returning Thu, Oct 2, priced at $1,511 found 4 days ago
American Airlines
Thu, Sep 25 - Wed, Oct 15
ICN
Seoul
ASU
Asuncion
$1,521 Roundtrip, found 4 days ago
$1,521
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 25 from Seoul to Asuncion, returning Wed, Oct 15, priced at $1,521 found 4 days ago
LATAM Airlines Group
Wed, Aug 27 - Thu, Sep 18
ICN
Seoul
ASU
Asuncion
$1,547 Roundtrip, found 4 days ago
$1,547
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Wed, Aug 27 from Seoul to Asuncion, returning Thu, Sep 18, priced at $1,547 found 4 days ago
LATAM Airlines Group
Tue, Aug 12 - Thu, Sep 4
ICN
Seoul
ASU
Asuncion
$1,579 Roundtrip, found 4 days ago
$1,579
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Tue, Aug 12 from Seoul to Asuncion, returning Thu, Sep 4, priced at $1,579 found 4 days ago
LATAM Airlines Group
Sat, Aug 30 - Thu, Sep 18
ICN
Seoul
ASU
Asuncion
$1,580 Roundtrip, found 4 days ago
$1,580
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Aug 30 from Seoul to Asuncion, returning Thu, Sep 18, priced at $1,580 found 4 days ago
Korean Air
Mon, Sep 15 - Mon, Sep 22
ICN
Seoul
ASU
Asuncion
$1,627 Roundtrip, found 4 days ago
$1,627
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Sep 15 from Seoul to Asuncion, returning Mon, Sep 22, priced at $1,627 found 4 days ago
Air France
Wed, Mar 11 - Wed, Mar 18
ICN
Seoul
ASU
Asuncion
$1,822 Roundtrip, found 2 days ago
$1,822
Roundtrip
found 2 days ago
Select Air France flight, departing Wed, Mar 11 from Seoul to Asuncion, returning Wed, Mar 18, priced at $1,822 found 2 days ago
Flights from Seoul (ICN) to Asuncion (ASU)
Origin airport
Incheon Intl.
Destination airport
Silvio Pettirossi Intl.
Roundtrip price
$1,200
Distance
11560 mi

Seoul to Asuncion Flights

The cheapest times to fly from Seoul to Asuncion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Asuncion are during the month of August. You can find some of the cheapest flights from Seoul to Asuncion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Asuncion

Sunday is one of the best days to book for cheap flights from Seoul to Asuncion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Asuncion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Asuncion in 2025. You can also book with separate airlines for your outbound and return journeys, from $802 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Asuncion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Asuncion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU) cost?
Discover the latest flight deals from ICN to ASU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ICN to ASU?
The cheapest flights from ICN to ASU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ICN to ASU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ICN to ASU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU)?
Nonstop flights from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ICN to ASU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU)?
Opt for a flight from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Booking your ticket from ICN to ASU just before your getaway is generally more expensive. But if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book an ICN to ASU flight and hotel package?
Opting for an ICN to ASU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Silvio Pettirossi Intl. Airport (ASU)?
Usually, it's possible to cancel or reschedule your ICN to ASU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.