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Cheap flights from Buffalo to Osaka from $609

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Buffalo to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:11 am - 6:45 pmBUF  Buffalo-KIX Osaka Kansai Intl
24h 34m2 stops Chicago O'Hare Intl Los Angeles
Multiple Airlines Logo
6:40 am - 3:57 pmKIX  Osaka Kansai Intl-BUF Buffalo
22h 17m2 stops Tokyo Haneda Dallas/Fort Worth
$1,209Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Air Canada Logo
6:30 am - 5:40 pmBUF  Buffalo-KIX Osaka Kansai Intl
45h 10m2 stops Chicago O'Hare Intl Vancouver Intl
Air Canada Logo
7:25 pm - 9:42 amKIX  Osaka Kansai Intl-BUF Buffalo
52h 17m2 stops Vancouver Intl Chicago O'Hare Intl
$1,213Air Canada
Sun, Nov 8 - Sat, Nov 14
Multiple Airlines Logo
7:00 am - 6:45 pmBUF  Buffalo-KIX Osaka Kansai Intl
22h 45m2 stops Philadelphia Los Angeles
Multiple Airlines Logo
6:40 am - 5:18 pmKIX  Osaka Kansai Intl-BUF Buffalo
23h 38m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,239Multiple Airlines
Thu, Sep 17 - Mon, Sep 28
Multiple Airlines Logo
7:59 am - 8:50 pmBUF  Buffalo-KIX Osaka Kansai Intl
23h 51m2 stops Chicago O'Hare Intl Tokyo Narita
Multiple Airlines Logo
6:45 am - 5:18 pmKIX  Osaka Kansai Intl-BUF Buffalo
23h 33m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,241Multiple Airlines
Thu, Sep 10 - Fri, Oct 2
China Airlines Logo
4:31 pm - 12:00 pmBUF  Buffalo-KIX Osaka Kansai Intl
30h 29m2 stops New York John F Kennedy Intl Taipei City Taiwan Taoyuan Intl
China Airlines Logo
1:10 pm - 7:59 amKIX  Osaka Kansai Intl-BUF Buffalo
31h 49m2 stops Taipei City Taiwan Taoyuan Intl New York John F Kennedy Intl
$1,344China Airlines
Thu, Sep 10 - Sat, Oct 3
Multiple Airlines Logo
8:59 pm - 12:10 pmBUF  Buffalo-KIX Osaka Kansai Intl
26h 11m2 stops New York John F Kennedy Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
1:10 pm - 7:29 amKIX  Osaka Kansai Intl-BUF Buffalo
31h 19m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles
$1,354Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
7:50 pm - 12:00 pmBUF  Buffalo-KIX Osaka Kansai Intl
27h 10m2 stops New York John F Kennedy Intl Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
2:00 pm - 8:24 amKIX  Osaka Kansai Intl-BUF Buffalo
31h 24m2 stops Taipei City Taiwan Taoyuan Intl New York John F Kennedy Intl
$1,367Multiple Airlines
Wed, Sep 30 - Sat, Oct 10
Multiple Airlines Logo
6:30 am - 4:25 pmBUF  Buffalo-KIX Osaka Kansai Intl
20h 55m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
6:00 pm - 4:43 pmKIX  Osaka Kansai Intl-BUF Buffalo
35h 43m3 stops Vancouver Intl Los Angeles Chicago O'Hare Intl
$1,552Multiple Airlines
Thu, Sep 17 - Mon, Sep 28
United Airlines Logo
6:10 am - 7:50 pmBUF  Buffalo-KIX Osaka Kansai Intl
24h 40m2 stops Washington, D.C. Dulles Intl Tokyo Haneda
United Airlines Logo
9:20 am - 11:11 pmKIX  Osaka Kansai Intl-BUF Buffalo
26h 51m2 stops Tokyo Haneda Newark
$1,612United Airlines
Thu, Sep 17 - Thu, Sep 24
Turkish Airlines Logo
7:00 am - 6:55 pmBUF  Buffalo-KIX Osaka Kansai Intl
45h 55m2 stops New York John F Kennedy Intl Istanbul
Turkish Airlines Logo
10:45 pm - 11:47 pmKIX  Osaka Kansai Intl-BUF Buffalo
39h 02m2 stops Istanbul New York John F Kennedy Intl
$1,642Turkish Airlines
Thu, Jan 28 - Mon, Feb 1

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Singapore Airlines flights from Buffalo to Osaka Kansai Intl Airport

Our best Singapore Airlines deals on Buffalo to Osaka Kansai Intl Airport flight tickets
Singapore Airlines
Sep 10
BUF4:31 pmBuffalo
34h 39m
3 stops
KIX4:10 pmOsaka Kansai Intl
Oct 3
KIX11:25 pmOsaka Kansai Intl
56h 34m
3 stops
BUF6:59 pmBuffalo
$2,390
Singapore Airlines
Sep 17
BUF4:31 pmBuffalo
34h 39m
3 stops
KIX4:10 pmOsaka Kansai Intl
Sep 28
KIX11:25 pmOsaka Kansai Intl
56h 08m
3 stops
BUF6:33 pmBuffalo
$2,510
Singapore Airlines
Sep 10
BUF4:31 pmBuffalo
34h 39m
3 stops
KIX4:10 pmOsaka Kansai Intl
Oct 2
KIX11:25 pmOsaka Kansai Intl
56h 33m
3 stops
BUF6:58 pmBuffalo
$2,577

United Airlines flights from Buffalo to Osaka Kansai Intl Airport

Our best United Airlines deals on Buffalo to Osaka Kansai Intl Airport flight tickets
United Airlines
Sep 17
BUF6:10 amBuffalo
24h 40m
2 stops
KIX7:50 pmOsaka Kansai Intl
Sep 24
KIX9:20 amOsaka Kansai Intl
26h 51m
2 stops
BUF11:11 pmBuffalo
$1,612
United Airlines
Sep 30
BUF10:10 amBuffalo
20h 40m
2 stops
KIX7:50 pmOsaka Kansai Intl
Oct 10
KIX9:20 amOsaka Kansai Intl
44h 23m
3 stops
BUF4:43 pmBuffalo
$1,954

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 August 8, 2026.
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

Cheapest round-trip

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Fri 9/4

5:11 am-6:45 pm

2 stops24h 34m

Osaka Kansai Intl

Fri 9/11

6:40 am-3:57 pm

2 stops22h 17m

$1,209

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Sun 11/8

6:30 am-5:40 pm

2 stops45h 10m

Osaka Kansai Intl

Sat 11/14

7:25 pm-9:42 am

2 stops52h 17m

$1,213
Quickest round-trip

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 9/17

7:00 am-6:45 pm

2 stops22h 45m

Osaka Kansai Intl

Mon 9/28

6:40 am-5:18 pm

2 stops23h 38m

$1,239

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 9/10

7:59 am-8:50 pm

2 stops23h 51m

Osaka Kansai Intl

Fri 10/2

6:45 am-5:18 pm

2 stops23h 33m

$1,241

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 9/10

4:31 pm-12:00 pm

2 stops30h 29m

Osaka Kansai Intl

Sat 10/3

1:10 pm-7:59 am

2 stops31h 49m

$1,344

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Tue 9/1

8:59 pm-12:10 pm

2 stops26h 11m

Osaka Kansai Intl

Mon 9/7

1:10 pm-7:29 am

2 stops31h 19m

$1,354

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Wed 9/30

7:50 pm-12:00 pm

2 stops27h 10m

Osaka Kansai Intl

Sat 10/10

2:00 pm-8:24 am

2 stops31h 24m

$1,367

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 9/17

6:30 am-4:25 pm

2 stops20h 55m

Osaka Kansai Intl

Mon 9/28

6:00 pm-4:43 pm

3 stops35h 43m

$1,552

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 9/17

6:10 am-7:50 pm

2 stops24h 40m

Osaka Kansai Intl

Thu 9/24

9:20 am-11:11 pm

2 stops26h 51m

$1,612

BuffaloOsaka

BUF Buffalo - KIX Osaka Kansai Intl

BUFKIX

Buffalo

Thu 1/28

7:00 am-6:55 pm

2 stops45h 55m

Osaka Kansai Intl

Mon 2/1

10:45 pm-11:47 pm

2 stops39h 02m

$1,642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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?

China 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

Fastest flight time

24h 34m

Direct flights

None
The fastest flight from Buffalo to Osaka Kansai Intl Airport takes 24h 34m
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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Frequently asked questions about flying from Buffalo to Osaka Kansai Intl Airport

  • How far is Buffalo to Osaka Kansai Intl by plane?

    There are 6672.3 mi between Buffalo and Osaka Kansai Intl. 24h 34m 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
Izumisano
Himeji
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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