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Start packing your bags, because round-trip flights from Roissy Airport to Osaka (OSA-All Airports) start from HK$9,900. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.

Most flights can be canceled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Roissy-Charles de Gaulle Airport (CDG) to Osaka (OSA-All Airports) flights, you'll see a "no change fees" filter for you to select.

You'll have 9,600 kilometers to cover on the long-haul Tremblay-en-France to Japan route. Dress in layers of comfy clothes and consider taking a neck pillow with you.

A favorite with many savvy travelers, Air France (AF) operates 13 flights every month from Charles de Gaulle Airport to Osaka (OSA-All Airports). Pick the one that suits your travel plans and book your fare today.

Late planners can occasionally score a bargain, with some super cheap fares from CDG to Osaka (OSA-All Airports) showing up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.