$107 Cheap Flights from Oita (OIT) to Seoul (ICN)

Popular airlines from Oita Airport (OIT) to Incheon Intl. Airport (ICN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Oita to Seoul (OIT-ICN)

Prices were available within the past 7 days and start at $107 for one-way flights and $605 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Japan Airlines
Japan Airlines
Japan Airlines
All Nippon Airways
All Nippon Airways
All Nippon Airways
All Nippon Airways
Flights from Oita (OIT) to Seoul (ICN)
Origin airport
Oita
Destination airport
Incheon Intl.
Roundtrip price
$605
Distance
405 mi
Average flight time
1 hour 45 mins

Oita to Seoul Flights

The cheapest times to fly from Oita to Seoul

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

 

The best time to book a flight from Oita to Seoul

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

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 Oita to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $107 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 Oita to Seoul 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 Oita to Seoul 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 Oita Airport (OIT) to Incheon Intl. Airport (ICN) cost?
Book cheap return tickets starting from $223 from Oita Airport (OIT) to Incheon Intl. Airport (ICN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air and Jeju Air flight leaving OIT on August 19 2025 and touching down at ICN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from OIT to ICN?
The cheapest flights from OIT to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
Catch a direct flight with Jeju Air and fly straight from Oita Airport (OIT) to Incheon Intl. Airport (ICN).
What is the cheapest airline that flies from OIT to ICN?
With prices starting from $107 for a one-way flight from OIT to ICN, Jeju Air is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OIT on August 7 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
On average, Oita Airport (OIT) only has 1 direct flight to Incheon Intl. Airport (ICN) each day. To explore more options, try Expedia's easy-to-use filter tool. Simply enter your travel details, then choose "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
The 2 PM departures from OIT to ICN are the busiest. Prices can be higher for these popular slots. If you want to save money, book during off-peak hours.
What day of the week has the most flights from OIT to ICN?
Travel on a Friday if you're looking for the best selection of flights from Oita Airport (OIT) to Incheon Intl. Airport (ICN).
What is the earliest flight from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
Oita Airport (OIT)'s first flight to Incheon Intl. Airport (ICN) takes off at approximately 2:00PM UTC+9. With a flight time of 1h 45m, you'll arrive at around 3:45PM UTC+9.
How long does it take to fly from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
The average flight duration from OIT to ICN is 1 hour and 45 minutes, covering a total distance of 410 mi.
What airline has the least delays from OIT to ICN?
Jeju Air has the best track record for on-time direct flights from Oita Airport (OIT) to Incheon Intl. Airport (ICN), with an on-time rating of 100%. Use the Expedia App to look up your flight schedule before you go and get immediate updates about any trip changes.
What is the best time to fly from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
Book a flight from Oita Airport (OIT) to Incheon Intl. Airport (ICN) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Seoul from Oita Airport (OIT)?
If you're flying on a direct flight from Oita Airport (OIT) to Seoul, Incheon Intl. Airport (ICN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Oita Airport (OIT) to Incheon Intl. Airport (ICN) last-minute?
Booking your flight from OIT to ICN just before your trip is typically more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book an OIT to ICN flight and hotel package?
You can save money by booking an OIT to ICN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Oita Airport (OIT) to Incheon Intl. Airport (ICN)?
It's usually possible to reschedule or cancel your OIT to ICN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.