A coastal landscape with mountains, a bay, and industrial structures.

Cheap Flights to Oshima Island

View ₩112,000 flight on Thu, Sep 17, 2026Opens in a new window

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How much is the cheapest flight to Oshima Island?

Prices were available within the past 7 days and start at ₩112,000 for one-way flights and ₩240,006 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Korean Air
All Nippon Airways
Philippine Airlines
Lufthansa

Frequently asked questions

How do I find cheap flights to Oshima Island that have flexible change policies?
It's as easy as 1-2-3 with Expedia. First, enter your preferred dates and destination and click the "Search" button. Second step: Check the "No change fee" box directly underneath the "Flexible change policies" heading to the left of your screen. Step 3. Bag your flexible and cheap flight to Oshima Island.
How can I find cheap tickets to Oshima Island?
Book well ahead of time, consider nearby airports, avoid vacation periods — there are loads of ways! Another one is to make use of Expedia's "flexible dates" function. Find an Oshima Island flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Oshima Island was ₩240,006.
How much is a flight to Oshima Island?
In the last seven days, round-trip tickets to Oshima Island sold for as little as ₩240,006 and reached a maximum price of ₩2,647,800. For one-way fares departing from Seoul (ICN), the lowest amount paid during this same period was only ₩112,000.
When is the cheapest time to fly to Oshima Island?
Consider traveling earlier in the week to secure a bargain airfare to Oshima Island. Tuesday is routinely the most affordable day to depart, with Monday right behind it. Saturday often has the most expensive fares. This is because many travelers prefer to start their vacation on a weekend.
How much is a plane ticket to Oshima Island?
In the last seven days, flights to Oshima Island cost between ₩240,006 and ₩2,647,800. Prices depend on the time of departure, cabin class, airline and when you make your booking.
What months are the cheapest to book a flight to Oshima Island?
February is a cheap month to book your Oshima Island vacation. Fares are priciest throughout the month of December, so keep clear of this time if you can.

Book with confidence

Searching for cheap flights to Oshima Island? No travel company presents more choices than Expedia if you're looking to compare flights to Oshima Island. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Saikai. Expedia provides the cheapest flights to many destinations in Saikai and you may find even greater savings if you combine your flight with a hotel stay in Oshima Island.

Travel information

Destination airport
Nagasaki
Destination airport IATA code
NGS
Destination city name
Nagasaki
Roundtrip price
₩240,006

Trending flights to Oshima Island

Prices were available within the past 7 days and start at ₩112,000 for one-way flights and ₩240,006 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
*Available to Expedia members.