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Kansai Intl

$1,009+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KIX
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This Air Canada deal was found by Cheapflights users on 2/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
BUF
-
KIX
2 stops21h 25m
Multiple Airlines
Mon 11/27:25 pm
KIX
-
BUF
2 stops41h 12m
Multiple Airlines
Deal found 2/8$1,009
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 2/195:27 pm
BUF
-
KIX
2 stops33h 13m
United Airlines
Mon 2/236:35 pm
KIX
-
BUF
2 stops33h 38m
United Airlines
Deal found 2/5$1,786
This EVA Air deal was found by Cheapflights users on 2/6. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:58 pm
BUF
-
KIX
2 stops31h 57m
Multiple Airlines
Mon 3/301:10 pm
KIX
-
BUF
2 stops31h 56m
Multiple Airlines
Deal found 2/6$2,097
This Singapore Airlines deal was found by Cheapflights users on 2/8. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:45 pm
BUF
-
KIX
3 stops38h 25m
Singapore Airlines
Mon 11/24:50 pm
KIX
-
BUF
3 stops39h 24m
Singapore Airlines
Deal found 2/8$2,182
This EVA Air deal was found by Cheapflights users on 2/7. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
BUF
-
KIX
3 stops37h 55m
Multiple Airlines
Tue 3/3111:10 am
KIX
-
BUF
2 stops33h 56m
Multiple Airlines
Deal found 2/7$2,193
This KLM deal was found by Cheapflights users on 2/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:56 pm
BUF
-
KIX
2 stops30h 24m
KLM
Tue 3/3111:55 am
KIX
-
BUF
2 stops48h 00m
KLM
Deal found 2/7$2,273
This Delta deal was found by Cheapflights users on 2/8. 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.
Wed 3/257:00 am
BUF
-
KIX
2 stops24h 45m
Delta
Wed 4/16:20 pm
KIX
-
BUF
2 stops37h 56m
Delta
Deal found 2/8$2,292
This Japan Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 2/1912:31 pm
BUF
-
KIX
2 stops35h 44m
Japan Airlines
Mon 2/233:00 pm
KIX
-
BUF
2 stops46h 40m
Japan Airlines
Deal found 2/8$2,543
This EVA Air deal was found by Cheapflights users on 2/8. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
BUF
-
KIX
3 stops37h 55m
Multiple Airlines
Wed 4/111:10 am
KIX
-
BUF
2 stops33h 56m
Multiple Airlines
Deal found 2/8$2,676
This Justfly.com deal was found by Cheapflights users on 2/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:25 am
BUF
-
KIX
2 stops36h 25m
Etihad Airways
Mon 8/36:40 pm
KIX
-
BUF
2 stops41h 17m
Etihad Airways
Deal found 2/5$2,970
This Justfly.com deal was found by Cheapflights users on 2/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:25 am
BUF
-
KIX
2 stops36h 25m
Etihad Airways
Mon 8/36:40 pm
KIX
-
BUF
2 stops41h 17m
Etihad Airways
Deal found 2/5$3,145

Find 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,786
(United Airlines)

One-way from

$1,576
(EVA Air)
Provider with most accurate pricing for Buffalo-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Osaka (OSA) flights.
Search Deals
From Buffalo to Osaka Kansai Intl
Search Deals
One-way flight from Buffalo to Osaka Kansai Intl
Search Deals

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 February 9, 2026.
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

Thu 2/19

5:27 pm-4:40 pm

2 stops33h 13m

Osaka Kansai Intl

Mon 2/23

6:35 pm-2:13 pm

2 stops33h 38m

$1,786

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Mon 3/23

7:58 pm-4:55 pm

2 stops31h 57m

Osaka Kansai Intl

Mon 3/30

1:10 pm-8:06 am

2 stops31h 56m

$2,097

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 3/24

7:00 am-9:55 am

3 stops37h 55m

Osaka Kansai Intl

Tue 3/31

11:10 am-8:06 am

2 stops33h 56m

$2,193

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Tue 3/24

3:56 pm-11:20 am

2 stops30h 24m

Osaka Kansai Intl

Tue 3/31

11:55 am-10:55 pm

2 stops48h 00m

$2,273

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

7:00 am-8:45 pm

2 stops24h 45m

Osaka Kansai Intl

Wed 4/1

6:20 pm-7:16 pm

2 stops37h 56m

$2,292

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Thu 2/19

12:31 pm-8:25 am

2 stops29h 54m

Osaka Kansai Intl

Mon 2/23

9:05 pm-11:40 pm

2 stops40h 35m

$2,543

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Wed 3/25

7:00 am-9:55 am

3 stops37h 55m

Osaka Kansai Intl

Wed 4/1

11:10 am-8:06 am

2 stops33h 56m

$2,676

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sat 7/18

1:35 pm-11:50 am

2 stops33h 15m

Osaka Kansai Intl

Mon 8/3

6:40 pm-10:57 pm

2 stops41h 17m

$2,970

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Fri 7/17

10:25 am-11:50 am

2 stops36h 25m

Osaka Kansai Intl

Mon 8/3

6:40 pm-10:57 pm

2 stops41h 17m

$2,970

BuffaloOsaka

BUF - KIX

BUFKIX

Buffalo

Sun 7/19

10:25 am-11:50 am

2 stops36h 25m

Osaka Kansai Intl

Mon 8/3

6:40 pm-10:57 pm

2 stops41h 17m

$3,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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 24h 45m. 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
Himeji

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