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Cheap flights from Buffalo to Osaka from $699

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 5/17. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 10:40 pm
BUF
-
KIX
26h 40m
2 stops
Delta Logo
2:15 am - 12:50 am
KIX
-
BUF
35h 35m
2 stops
$1,200Delta
Fri, Apr 24 - Thu, Apr 30
Japan Airlines Logo
6:00 am - 9:00 pm
BUF
-
KIX
26h 00m
2 stops
Japan Airlines Logo
6:45 am - 5:30 pm
KIX
-
BUF
23h 45m
2 stops
$1,218Japan Airlines
Tue, Apr 14 - Fri, Apr 24
Multiple Airlines Logo
8:59 pm - 9:35 pm
BUF
-
KIX
35h 36m
2 stops
Multiple Airlines Logo
9:30 am - 8:58 am
KIX
-
BUF
36h 28m
2 stops
$1,267Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
7:00 am - 9:35 pm
BUF
-
KIX
25h 35m
2 stops
Multiple Airlines Logo
9:30 am - 9:30 am
KIX
-
BUF
37h 00m
2 stops
$1,318Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Korean Air Logo
6:00 am - 10:40 pm
BUF
-
KIX
27h 40m
2 stops
Korean Air Logo
2:15 am - 3:30 pm
KIX
-
BUF
26h 15m
2 stops
$1,373Korean Air
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
3:00 pm - 2:50 pm
BUF
-
KIX
34h 50m
2 stops
United Airlines Logo
9:20 am - 6:54 pm
KIX
-
BUF
46h 34m
2 stops
$1,393United Airlines
Tue, Jun 30 - Mon, Aug 10
Korean Air Logo
6:00 am - 8:45 pm
BUF
-
KIX
25h 45m
2 stops
Korean Air Logo
2:15 am - 11:58 pm
KIX
-
BUF
34h 43m
2 stops
$1,423Korean Air
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
7:00 am - 7:50 pm
BUF
-
KIX
23h 50m
2 stops
United Airlines Logo
9:20 am - 8:43 pm
KIX
-
BUF
24h 23m
2 stops
$1,463United Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
7:00 am - 9:00 am
BUF
-
KIX
37h 00m
3 stops
Multiple Airlines Logo
10:40 am - 9:30 am
KIX
-
BUF
35h 50m
2 stops
$1,637Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
7:00 am - 9:00 am
BUF
-
KIX
37h 00m
3 stops
Multiple Airlines Logo
7:45 pm - 2:59 pm
KIX
-
BUF
32h 14m
2 stops
$1,653Multiple Airlines
Sat, Apr 25 - Sat, May 2

Air Canada flights from Buffalo to Osaka Kansai Intl Airport

Our best Air Canada deals on Buffalo to Osaka Kansai Intl Airport flight tickets
Air Canada
Jul 25
BUF7:00 amBuffalo
44h 25m
2 stops
KIX4:25 pmOsaka Kansai Intl
Jul 30
KIX6:00 pmOsaka Kansai Intl
35h 46m
2 stops
BUF4:46 pmBuffalo
$2,485
Air Canada
Jul 25
BUF7:00 amBuffalo
44h 25m
2 stops
KIX4:25 pmOsaka Kansai Intl
Jul 30
KIX6:00 pmOsaka Kansai Intl
35h 46m
2 stops
BUF4:46 pmBuffalo
$2,525
Air Canada
Jul 24
BUF5:52 pmBuffalo
33h 33m
2 stops
KIX4:25 pmOsaka Kansai Intl
Jul 30
KIX6:00 pmOsaka Kansai Intl
29h 20m
2 stops
BUF10:20 amBuffalo
$2,610

Delta flights from Buffalo to Osaka Kansai Intl Airport

Our best Delta deals on Buffalo to Osaka Kansai Intl Airport flight tickets
Delta
Apr 25
BUF7:59 pmBuffalo
35h 46m
2 stops
KIX8:45 pmOsaka Kansai Intl
May 1
KIX2:15 amOsaka Kansai Intl
30h 04m
2 stops
BUF7:19 pmBuffalo
$1,200
Delta
Apr 20
BUF6:05 amBuffalo
27h 35m
2 stops
KIX10:40 pmOsaka Kansai Intl
Apr 26
KIX2:15 amOsaka Kansai Intl
25h 58m
2 stops
BUF3:13 pmBuffalo
$2,010

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 March 11, 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 - KIX

BUFKIX

Buffalo

Fri 4/24

7:00 am-10:40 pm

2 stops26h 40m

Osaka Kansai Intl

Thu 4/30

2:15 am-12:50 am

2 stops35h 35m

$1,200

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 4/14

6:00 am-9:00 pm

2 stops26h 00m

Osaka Kansai Intl

Fri 4/24

6:45 am-5:30 pm

2 stops23h 45m

$1,218

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 4/8

8:59 pm-9:35 pm

2 stops35h 36m

Osaka Kansai Intl

Wed 4/15

9:30 am-8:58 am

2 stops36h 28m

$1,267

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 4/22

7:00 am-9:35 pm

2 stops25h 35m

Osaka Kansai Intl

Wed 4/29

9:30 am-9:30 am

2 stops37h 00m

$1,318

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 9/6

6:00 am-10:40 pm

2 stops27h 40m

Osaka Kansai Intl

Wed 9/9

2:15 am-3:30 pm

2 stops26h 15m

$1,373

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 6/30

3:00 pm-2:50 pm

2 stops34h 50m

Osaka Kansai Intl

Mon 8/10

9:20 am-6:54 pm

2 stops46h 34m

$1,393

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 9/6

6:00 am-8:45 pm

2 stops25h 45m

Osaka Kansai Intl

Wed 9/9

2:15 am-11:58 pm

2 stops34h 43m

$1,423
Quickest round-trip

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 4/21

7:00 am-7:50 pm

2 stops23h 50m

Osaka Kansai Intl

Tue 4/28

9:20 am-8:43 pm

2 stops24h 23m

$1,463

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 4/22

7:00 am-9:00 am

3 stops37h 00m

Osaka Kansai Intl

Wed 4/29

10:40 am-9:30 am

2 stops35h 50m

$1,637

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 4/25

7:00 am-9:00 am

3 stops37h 00m

Osaka Kansai Intl

Sat 5/2

7:45 pm-2:59 pm

2 stops32h 14m

$1,653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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?

Japan 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

26h 41m

Direct flights

None
The fastest flight from Buffalo to Osaka Kansai Intl Airport takes 26h 41m
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.
Search flight deals

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

    There are 6672.3 mi between Buffalo and Osaka Kansai Intl. 26h 41m 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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