$672 Cheap Flights from Osaka (KIX) to Buffalo (BUF)

View $672 flight on Thu, Mar 26, 2026Opens in a new window

Popular airlines from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Osaka to Buffalo (KIX-BUF)

Prices were available within the past 7 days and start at $672 for one-way flights and $4,207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Aug 8 - Sat, Aug 15
KIX
Osaka
BUF
Buffalo
$4,207 Roundtrip, found 6 days ago
$4,207
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sat, Aug 8 from Osaka to Buffalo, returning Sat, Aug 15, priced at $4,207 found 6 days ago
Flights from Osaka (KIX) to Buffalo (BUF)
Origin airport
Kansai Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
$4,206
Distance
6676 mi

Osaka to Buffalo Flights

The cheapest times to fly from Osaka to Buffalo

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

 

The best time to book a flight from Osaka to Buffalo

Sunday is one of the best days to book for cheap flights from Osaka to Buffalo: 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 Osaka to Buffalo

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 Osaka to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $672 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 Osaka to Buffalo 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 Osaka to Buffalo 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 Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF) cost?
Snag a cheap one-way flight from $672 or cheap return flight from $4,207 from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from KIX to BUF is August, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from KIX to BUF. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)?
There aren't any daily direct flights available from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from KIX to BUF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)?
Opt for a flight from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time 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.
Is it cheaper to buy a plane ticket from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute fares from KIX to BUF are typically more expensive. To secure the best rates, start searching for flights early. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a KIX to BUF flight and hotel package?
Booking a KIX to BUF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kansai Intl. Airport (KIX) to Buffalo Niagara Intl. Airport (BUF)?
In most cases, you're able to reschedule or cancel your KIX to BUF flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further information, go to our Customer Service portal.

*Flight schedules are subject to change.

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