$348 Cheap Flights from Seoul (ICN) to Ostrava (OSR)

View $348 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Ostrava (OSR-Leos Janacek)

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Cheap Flights from Seoul to Ostrava (ICN-OSR)

Prices were available within the past 7 days and start at $348 for one-way flights and $778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$778 Roundtrip, found 3 days ago
$778
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $778 found 3 days ago
LOT-Polish Airlines
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$872 Roundtrip, found 3 days ago
$872
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $872 found 3 days ago
LOT-Polish Airlines
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$966 Roundtrip, found 3 days ago
$966
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $966 found 3 days ago
LOT-Polish Airlines
Mon, Dec 8 - Mon, Dec 15
ICN
Seoul
OSR
Ostrava
$986 Roundtrip, found 3 days ago
$986
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Mon, Dec 8 from Seoul to Ostrava, returning Mon, Dec 15, priced at $986 found 3 days ago
LOT-Polish Airlines
Mon, Dec 8 - Mon, Dec 15
ICN
Seoul
OSR
Ostrava
$1,080 Roundtrip, found 3 days ago
$1,080
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Mon, Dec 8 from Seoul to Ostrava, returning Mon, Dec 15, priced at $1,080 found 3 days ago
LOT-Polish Airlines
Mon, Dec 8 - Mon, Dec 15
ICN
Seoul
OSR
Ostrava
$1,174 Roundtrip, found 3 days ago
$1,174
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Mon, Dec 8 from Seoul to Ostrava, returning Mon, Dec 15, priced at $1,174 found 3 days ago
Qatar Airways
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$1,363 Roundtrip, found 3 days ago
$1,363
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $1,363 found 3 days ago
Finnair
Mon, Dec 8 - Mon, Dec 15
ICN
Seoul
OSR
Ostrava
$1,507 Roundtrip, found 3 days ago
$1,507
Roundtrip
found 3 days ago
Select Finnair flight, departing Mon, Dec 8 from Seoul to Ostrava, returning Mon, Dec 15, priced at $1,507 found 3 days ago
Finnair
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$1,521 Roundtrip, found 3 days ago
$1,521
Roundtrip
found 3 days ago
Select Finnair flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $1,521 found 3 days ago
Qatar Airways
Sun, Jan 18 - Mon, Jan 26
ICN
Seoul
OSR
Ostrava
$1,564 Roundtrip, found 3 days ago
$1,564
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Sun, Jan 18 from Seoul to Ostrava, returning Mon, Jan 26, priced at $1,564 found 3 days ago
Flights from Seoul (ICN) to Ostrava (OSR)
Origin airport
Incheon Intl.
Destination airport
Leos Janacek
Roundtrip price
$778
Distance
5001 mi

Seoul to Ostrava Flights

The cheapest times to fly from Seoul to Ostrava

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 Ostrava are during the month of January. You can find some of the cheapest flights from Seoul to Ostrava with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Ostrava

Sunday is one of the best days to book for cheap flights from Seoul to Ostrava: 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 Ostrava

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 Ostrava in 2026. You can also book with separate airlines for your outbound and return journeys, from $348 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 Ostrava 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 Ostrava 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 Leos Janacek Airport (OSR) cost?
Grab a cheap one-way flight from $348 or cheap return flight from $778 from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR)?
The cheapest month to fly from ICN to OSR is January, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR)?
To find the cheapest airline that'll fly you from ICN to OSR, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR)?
You'll need to take a flight with a layover if you're traveling from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ICN to OSR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Leos Janacek Airport (OSR)?
To arrive at Leos Janacek Airport (OSR) without delays, select a flight that leaves from Incheon Intl. Airport (ICN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Leos Janacek Airport (OSR) last-minute?
Waiting until just before your departure to book your flight from ICN to OSR often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book an ICN to OSR flight and hotel package?
You can save money by booking an ICN to OSR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Leos Janacek Airport (OSR)?
You can usually cancel or reschedule your ICN to OSR flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible 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.