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Kansai Intl

$754+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KIX
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$754
(United Airlines)
Provider with most accurate pricing for Buffalo-Osaka (OSA) flight deals.
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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 13, 2025.

This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:58 pmBUF - KIX
2 stops51h 47mJapan Airlines
Tue 12/29:05 pmKIX - BUF
2 stops32h 54mJapan Airlines
Deal found 11/12$1,284
This Cathay Pacific deal was found by Cheapflights users on 11/12. 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 11/254:26 pmBUF - KIX
2 stops47h 54mMultiple Airlines
Tue 12/24:15 pmKIX - BUF
3 stops45h 24mMultiple Airlines
Deal found 11/12$1,465
This Turkish Airlines deal was found by Cheapflights users on 11/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:28 pmBUF - KIX
2 stops57h 37mTurkish Airlines
Wed 11/1910:30 pmKIX - BUF
2 stops37h 40mTurkish Airlines
Deal found 11/12$2,075
This Japan Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 11/157:00 amBUF - KIX
2 stops41h 10mJapan Airlines
Wed 11/193:00 pmKIX - BUF
2 stops37h 28mJapan Airlines
Deal found 11/10$2,294
This Delta deal was found by Cheapflights users on 11/12. 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 12/276:10 amBUF - KIX
2 stops24h 35mDelta
Sat 1/311:55 amKIX - BUF
2 stops37h 26mDelta
Deal found 11/12$3,595
This Cathay Pacific deal was found by Cheapflights users on 11/12. 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.
Sat 12/276:29 pmBUF - KIX
2 stops45h 51mMultiple Airlines
Sat 1/34:15 pmKIX - BUF
3 stops44h 14mMultiple Airlines
Deal found 11/12$4,303

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 13, 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

Mon 1/5

5:35 pm-4:40 pm

2 stops33h 05m

Osaka Kansai Intl

Fri 1/16

6:35 pm-8:29 pm

3 stops39h 54m

$754

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 11/25

2:58 pm-8:45 am

2 stops51h 47m

Osaka Kansai Intl

Tue 12/2

9:05 pm-3:59 pm

2 stops32h 54m

$1,284

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 11/25

4:26 pm-6:20 am

2 stops47h 54m

Osaka Kansai Intl

Tue 12/2

4:15 pm-11:39 pm

3 stops45h 24m

$1,465

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Mon 1/5

8:23 pm-6:50 pm

1 stop32h 27m

Osaka Kansai Intl

Fri 1/16

3:00 pm-11:55 pm

2 stops22h 55m

$1,600

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 12/27

6:10 am-8:45 pm

2 stops24h 35m

Osaka Kansai Intl

Sat 1/3

11:55 am-11:21 am

2 stops37h 26m

$3,595

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 12/27

6:29 pm-6:20 am

2 stops45h 51m

Osaka Kansai Intl

Sat 1/3

4:15 pm-10:29 pm

3 stops44h 14m

$4,303

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

5:00 pm-8:25 am

2 stops26h 25m

$1,351

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

12:45 pm-3:30 pm

3 stops37h 45m

$1,557

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

9:15 am-12:45 pm

2 stops38h 30m

$1,565

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

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 33h 05m. Buffalo and Osaka Kansai Intl Airport are separated by a distance of 6672 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Buffalo to Osaka Kansai Intl Airport one-way?

    To fly one-way, consider booking your trip with Japan Airlines, which is currently one of the cheapest options available, starting at $1,351. Singapore Airlines flights start at $1,557 while deals on Cathay Pacific start at $1,565 one-way.

  • 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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