$255 Cheap flights to Osaka Kansai Intl Airport

Most travelers find the cheapest round-trip airfare to Osaka Kansai Intl Airport when booking during the month of February.

On average, from most locations, when planning your trip to Osaka Kansai Intl Airport, try to book your flight in the region of 51 days in advance for the cheapest prices.

From most locations, the cheapest flights to Osaka Kansai Intl Airport are found on a Thursday. Booking a Tuesday departure is usually the most expensive.

In general, when looking for the cheapest flight to Osaka Kansai Intl Airport, our data indicates that Evening flights are the most cost-effective. Afternoon flights tend to be the most expensive.

Finding an alternative and possibly cheaper destination airport near Osaka Kansai Intl Airport is possible. If you are planning a flight to Osaka Kansai Intl Airport, consider booking flights to Osaka Itami Airport (9 mi from Osaka city center) or Kobe Airport (16 mi from Osaka city center).

Kobe Airport has an average price of $191 per person and is typically the cheapest airport to fly into when visiting Osaka. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

The best deal found on momondo in the last two weeks was a flight to Osaka from Kochi, Kochi Prefecture for $51. This is 82% cheaper than most flight deals to Osaka. To find the cheapest price to Osaka from your area, use momondo’s Airport-to-Airport Pricing Tool.

You can find flights to Osaka Kansai Intl Airport from 15 airlines. If you’re unsure which to fly with, consider booking your flight with Japan Airlines, ANA or United Airlines as these are the most popular among our users. Japan Airlines is the most favored with 36% of momondo travelers booking flights with this airline.

Prices for flights to Osaka Kansai Intl Airport refresh daily.

As of December 2025, there are 57 operators available to choose from for flights to Osaka Kansai Intl Airport.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Osaka Kansai Intl Airport.

The required travel and health documents for your Osaka Kansai Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Osaka Kansai Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.