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Cheap flights from Buffalo to Osaka from $583

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Osaka departing on 11/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:25 am - 6:25 pmBUF-KIX
23h 00m2 stops
United Airlines Logo
8:20 am - 6:46 pmKIX-BUF
24h 26m2 stops
$1,896United Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 6
Japan Airlines Logo
7:00 am - 10:15 pmBUF-KIX
49h 15m2 stops
Japan Airlines Logo
7:00 am - 2:25 pmKIX-BUF
21h 25m2 stops
$1,931Japan Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 6

Japan Airlines flights from Buffalo to Osaka Kansai Intl Airport

Our best Japan Airlines deals on Buffalo to Osaka Kansai Intl Airport flight tickets
Japan Airlines
Nov 2
BUF7:00 amBuffalo
49h 15m
2 stops
KIX10:15 pmOsaka Kansai Intl
Nov 6
KIX7:00 amOsaka Kansai Intl
21h 25m
2 stops
BUF2:25 pmBuffalo
$1,931
Find similar
Japan Airlines
Nov 2
BUF7:00 amBuffalo
35h 20m
2 stops
KIX8:20 amOsaka Kansai Intl
Nov 6
KIX3:00 pmOsaka Kansai Intl
37h 25m
2 stops
BUF2:25 pmBuffalo
$2,095
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Osaka Kansai Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Buffalo to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 11/2

5:25 am-6:25 pm

2 stops23h 00m

Osaka Kansai Intl

Thu 11/6

8:20 am-6:46 pm

2 stops24h 26m

$1,896

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 11/2

7:00 am-10:15 pm

2 stops49h 15m

Osaka Kansai Intl

Thu 11/6

7:00 am-2:25 pm

2 stops21h 25m

$1,931

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 11/22

10:24 am-8:40 am

3 stops56h 16m

$583

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 11/22

5:40 pm-4:40 pm

2 stops57h 00m

$718

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Osaka from

How to get the cheapest flight ticket from Buffalo to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Buffalo to Osaka Kansai Intl?

United Airlines is the most popular carrier operating from Buffalo to Osaka Kansai Intl

When to book flights from Buffalo to Osaka Kansai Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Osaka Kansai Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Osaka Kansai Intl Airport (BUF to KIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Osaka Kansai Intl Airport

Direct flights

None
There are no direct flights from Buffalo to Osaka Kansai Intl Airport. There are no popular flight routes from Buffalo to Osaka Kansai Intl Airport.
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  • How far is Buffalo to Osaka Kansai Intl by plane?

    There are 6672.3 mi between Buffalo and Osaka Kansai Intl. 23h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Buffalo Airport to Osaka Kansai Intl Airport?

    Prices for flights from Buffalo Airport to Osaka Kansai Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Buffalo Airport to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly 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.

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Himeji
Izumisano
Nishinomiya

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Osaka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to Osaka for you.

Can I find flights from Buffalo to Osaka with flexible booking policies on momondo?

Yes. All flights to Osaka from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to Osaka?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Osaka from Buffalo.

I’m not ready to book a flight from Buffalo to Osaka right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Buffalo to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fri 11/21
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