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Kansai Intl

$1,258+ Cheap flights from Buffalo (BUF) to Kansai Intl (KIX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KIX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Buffalo to Kansai Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Kansai Intl (KIX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,129
(FlightHub)
Provider with most accurate pricing for Buffalo-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Osaka (OSA) flights.
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From Buffalo to Osaka Kansai Intl
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Find flight deals from Buffalo to Kansai Intl

Cheapest flights from Buffalo to Kansai Intl
Explore the most affordable flight options available from Buffalo to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:45 amBUF - KIX
2 stops35h 00mJapan Airlines
Tue 12/23:00 pmKIX - BUF
2 stops38h 59mJapan Airlines
Deal found 11/6$1,258
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:20 amBUF - KIX
2 stops26h 00mMultiple Airlines
Thu 12/259:05 pmKIX - BUF
2 stops28h 57mMultiple Airlines
Deal found 11/5$1,568
This Cathay Pacific deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:24 amBUF - KIX
2 stops45h 26mMultiple Airlines
Tue 12/24:15 pmKIX - BUF
3 stops44h 05mMultiple Airlines
Deal found 11/6$1,606
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:00 pmBUF - KIX
2 stops59h 40mUnited Airlines
Thu 12/256:35 pmKIX - BUF
3 stops38h 31mUnited Airlines
Deal found 11/5$1,881
This Etihad Airways deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:15 pmBUF - KIX
2 stops32h 55mEtihad Airways
Sun 11/165:50 pmKIX - BUF
2 stops40h 44mEtihad Airways
Deal found 11/5$2,056
This Japan Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:40 amBUF - KIX
2 stops48h 35mJapan Airlines
Sun 11/163:00 pmKIX - BUF
2 stops37h 25mJapan Airlines
Deal found 11/4$2,147
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:35 pmBUF - KIX
2 stops33h 05mUnited Airlines
Sat 12/276:35 pmKIX - BUF
2 stops29h 11mUnited Airlines
Deal found 11/5$3,253
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:02 pmBUF - KIX
2 stops42h 43mDelta
Sat 1/311:55 amKIX - BUF
2 stops37h 07mDelta
Deal found 11/6$3,856

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Kansai Intl 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Buffalo to Osaka Kansai Intl Airport that are best for you.

Fly from

Buffalo

Fly to

Kansai Intl

Route

Depart

Return

Price

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 11/25

7:45 am-8:45 am

2 stops35h 00m

Osaka Kansai Intl

Tue 12/2

3:00 pm-3:59 pm

2 stops38h 59m

$1,258

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 2/18

6:00 am-7:25 pm

2 stops23h 25m

Osaka Kansai Intl

Sun 2/22

11:05 am-7:06 pm

2 stops22h 01m

$1,369

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Fri 12/12

6:20 am-10:20 pm

2 stops26h 00m

Osaka Kansai Intl

Thu 12/25

9:05 pm-12:02 pm

2 stops28h 57m

$1,568

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 11/25

6:24 am-5:50 pm

2 stops45h 26m

Osaka Kansai Intl

Tue 12/2

4:15 pm-10:20 pm

3 stops44h 05m

$1,606

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Fri 12/12

3:00 pm-4:40 pm

2 stops59h 40m

Osaka Kansai Intl

Thu 12/25

6:35 pm-7:06 pm

3 stops38h 31m

$1,881

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 2/18

10:21 am-9:25 pm

3 stops45h 04m

Osaka Kansai Intl

Sun 2/22

4:50 pm-9:09 pm

3 stops42h 19m

$2,347

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 12/20

5:35 pm-4:40 pm

2 stops33h 05m

Osaka Kansai Intl

Sat 12/27

6:35 pm-9:46 am

2 stops29h 11m

$3,253

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 12/20

12:02 pm-8:45 pm

2 stops42h 43m

Osaka Kansai Intl

Sat 1/3

11:55 am-11:02 am

2 stops37h 07m

$3,856

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 12/20

5:52 pm-8:45 pm

2 stops36h 53m

Osaka Kansai Intl

Sat 12/27

9:00 am-11:45 pm

2 stops28h 45m

$3,879

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

7:45 am-12:45 pm

2 stops40h 00m

$1,570

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 12 results
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Best time to book a flight from Buffalo to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Kansai Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Osaka Kansai Intl?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Osaka Kansai Intl. You should not have trouble finding flights to Osaka Kansai Intl from Buffalo; the airport handles an average of 0 outbound flights to Osaka Kansai Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Buffalo airport to Osaka Kansai Intl. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

  • How long is the flight from Buffalo to Osaka Kansai Intl Airport?

    Departing from Buffalo to Osaka Kansai Intl Airport will take you 35h. Buffalo and Osaka Kansai Intl Airport are separated by a distance of 6672 mi.

  • Can I find deals for flights from Buffalo to Kansai Intl that include hotel bookings?

    Yes. In addition to deals on Buffalo to Kansai Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Kansai Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Kansai Intl.

  • Can I find deals for business class flights from Buffalo to Kansai Intl?

    Yes. Cheapflights offers flight deals from Buffalo to Kansai Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Osaka Kansai Intl Airport?

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

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