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Kansai Intl

$782+ Cheap flights from Buffalo (BUF) to Kansai Intl (KIX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KIX
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,440
(American Airlines)

One-way from

$782
(Kiwi.com)
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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One-way flight 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 October 28, 2025.

This Etihad Airways deal was found by Cheapflights users on 10/25. 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 11/510:08 amBUF - KIX
2 stops35h 02mEtihad Airways
Sun 11/95:50 pmKIX - BUF
2 stops38h 34mEtihad Airways
Deal found 10/25$2,105
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/56:00 amBUF - KIX
2 stops23h 25mUnited Airlines
Sun 11/98:20 amKIX - BUF
2 stops24h 24mUnited Airlines
Deal found 10/27$2,170
This AranGrant deal was found by Cheapflights users on 10/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:00 amBUF - KIX
2 stops22h 25mANA
Sat 12/206:45 amKIX - BUF
2 stops20h 39mANA
Deal found 10/28$3,052
This Japan Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 12/146:05 amBUF - KIX
2 stops26h 15mMultiple Airlines
Sat 12/205:50 pmKIX - BUF
1 stop27h 26mMultiple Airlines
Deal found 10/28$6,707

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 October 28, 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

Sun 1/4

6:30 am-4:40 pm

2 stops44h 10m

Osaka Kansai Intl

Sun 1/11

8:20 am-8:29 pm

3 stops50h 09m

$1,588

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 1/4

7:00 am-2:55 pm

3 stops41h 55m

Osaka Kansai Intl

Sun 1/11

4:15 pm-11:48 pm

3 stops45h 33m

$2,092

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 12/14

7:00 am-7:25 pm

2 stops22h 25m

Osaka Kansai Intl

Sat 12/20

6:45 am-1:24 pm

2 stops20h 39m

$3,052

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 12/14

6:05 am-10:20 pm

2 stops26h 15m

Osaka Kansai Intl

Sat 12/20

5:50 pm-7:16 am

1 stop27h 26m

$6,707

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 11/15

7:12 pm-10:45 am

3 stops49h 33m

$782

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 11/15

7:30 pm-4:40 pm

2 stops31h 10m

$789

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

7:45 am-10:15 pm

2 stops25h 30m

$1,678

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

11:43 am-2:55 pm

3 stops38h 12m

$3,910

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 22h 25m. Buffalo and Osaka Kansai Intl Airport are separated by a distance of 6672 mi. This flight may include one or multiple stops.

  • 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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