Title: $669 Cheap flights from Osaka to Buffalo (OSA to BUF) - Expedia.com ![Buffalo, NY](https://images.trvl-media.com/place/602674/87d981cf-5755-46d3-aea8-dd650f6a21eb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/602674/87d981cf-5755-46d3-aea8-dd650f6a21eb.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $669 Cheap Flights from Osaka (OSA) to Buffalo (BUF) [View $669 flight on Tue, Jun 2, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:KIX,to:BUF,departure:6/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:668.03&airProductToken=AQp8CigIwqQBEgMxNzcYiroBIPMjKOLLjgMwkc2OAzhWQABYAXIGVkxPSlBaCicIwqQBEgIxMhjzIyCLuAEonNCOAzDx1Y4DOFZAAVgBcgZWTE9KUFoKJwjCbBIDNDkyGIu4ASCBLSid2I4DMMHajgM4UEABWAFyBlZMT0pQWhIMCAEQARgBKgJCUjIAGAEiBAgBEAEoAigEKAYwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Osaka to Buffalo, NY (BUF-Buffalo Niagara Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_JL.svg) Japan Airlines [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"JL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NH.svg) All Nippon Airways [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg) Korean Air [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:OSA,to:BUF,departure:2/26/2026TANYT&leg2=from:BUF,to:OSA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Osaka to Buffalo (OSA-BUF) Prices were available within the past 7 days and start at $669 for one-way flights and $1,687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,687 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1686.93&airProductToken=AQqsAQo9CM6QARICMjAY6GQgpxsonOeSAzDn55IDOFVAAFgBaglNQUlOQ0xBU0NyCFVMWEc3QU1UeggIxZABEgIyMAo0CMSYARIDMTIwGKcbIMx8KJjqkgMwyu-SAzhVQAFYAWoJTUFJTkNMQVNDcghVTFhHN0FNVAo1CMSYARIEMTc0ORjMfCCBLSiv8JIDMKnxkgM4VUABWAFqCU1BSU5DTEFTQ3IIVUxYRzdBTVQKogEKNQjEmAESBDI2NjQYgS0g4Fwo-NuTAzD43JMDOFhAAFgBaglNQUlOQ0xBU0NyCFhMWEc3QU1UCjQIxJgBEgMyOTUY4Fwgpxsos96TAzD75JMDOFhAAVgBaglNQUlOQ0xBU0NyCFhMWEc3QU1UCjMIzpABEgIzNRinGyDoZCig5pMDMObmkwM4S0ABWAFqCU1BSU5DTEFTQ3IIWExYRzdBTVQSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Tue, Mar 24 - Tue, Mar 31 KIX Osaka BUF Buffalo $1,699 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:KIX,to:BUF,departure:3/24/2026TANYT&leg2=from:BUF,to:KIX,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1698.49&airProductToken=AQqpAQozCMuKARIDNzI0GIq6ASDIaCjPuIgDMNG5iAM4TEAAWAFqB0VZU0FWRVJyCExMWDg3QUJaCjEIy4oBEgI4NRjIaCCpUSiWvIgDMN7CiAM4TEABWAFqB0VZU0FWRVJyCExMWDg3QUJaCj8Iy4oBEgQ3MzExGKlRIIEtKN_KiAMwwsuIAzhMQAFYAWoHRVlTQVZFUnIITExYODdBQlp6CgjEmAESBDU1MDkKqQEKPwjLigESBDc0OTQYgS0gqVEolIuJAzDzi4kDOExAAFgBagdFWVNBVkVScghMTFg4N0FCWnoKCMSYARIENTI4NAoxCMuKARICODIYqVEgyGgokI6JAzCylYkDOExAAVgBagdFWVNBVkVScghMTFg4N0FCWgozCMuKARIDNzM3GMhoIIq6ASjmlokDMNSXiQM4TEABWAFqB0VZU0FWRVJyCExMWDg3QUJaEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Aug 8 - Sat, Aug 15 KIX Osaka BUF Buffalo $1,786 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:KIX,to:BUF,departure:8/8/2026TANYT&leg2=from:BUF,to:KIX,departure:8/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1785.51&airProductToken=AQp5CicIz7QBEgMxMTMYiroBIMhoKMXBlAMwuMKUAzhLQABYAXIFS0hPSlUKJgjPtAESAzIyMhjIaCCpUSi9x5QDMKjOlAM4S0ABWAFyBUtIT0pVCiYIwmwSBDI5MDIYqVEggS0o-c-UAzDR0JQDOFdAAVgBcgVLSE9KVRIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,789 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1788.23&airProductToken=AQqhAQo7CMGCARIEODQyOBjoZCCnGyi45pIDMIPnkgM4TkAAWAFqBE1BSU5yCE5IWDU1VU4xegkIypgBEgMxMDYKMAjBggESAzE3NhinGyCjsQEoouqSAzDy75IDOE5AAVgBagRNQUlOcghOSFg1NVVOMQowCMGCARIDNTc0GKOxASCBLSj28ZIDMKvzkgM4TkABWAFqBE1BSU5yCE5IWDU1VU4xCq4BCjAIwYIBEgQxMTk1GIEtIK4cKILckwMw-tyTAzhOQABYAWoETUFJTnIITkxYNTVaTjEKOwjBggESBDg0NTkYrhwgrZwBKMzekwMwyeSTAzhOQAFYAWoETUFJTnIITkxYNTVaTjF6CAjKmAESAjU1Cj0IwYIBEgQ4NDY5GK2cASDoZCj15pMDMMrnkwM4TkABWAFqBE1BSU5yCE5MWDU1Wk4xegoIypgBEgQzMDA5EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,793 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1792.03&airProductToken=AQqhAQo7CMGCARIEODQyOBjoZCCnGyi45pIDMIPnkgM4TkAAWAFqBE1BSU5yCE5IWDU1VU4xegkIypgBEgMxMDYKMAjBggESAzE3NhinGyCjsQEoouqSAzDy75IDOE5AAVgBagRNQUlOcghOSFg1NVVOMQowCMGCARIDNTc0GKOxASCBLSj28ZIDMKvzkgM4TkABWAFqBE1BSU5yCE5IWDU1VU4xCqIBCjQIwYIBEgQyMTEyGIEtIK4cKPDckwMw7N2TAzhOQABYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xCjMIypgBEgI1NRiuHCCtnAEozN6TAzDJ5JMDOE5AAVgBaghFQ09TUFNWQ3IITkxYNTVaTjEKNQjKmAESBDMwMDkYrZwBIOhkKPXmkwMwyueTAzhOQAFYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,794 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1793.33&airProductToken=AQquAQo1CMqYARIEMzAwNhjoZCCtnAEoqumSAzCE6pIDOE5AAFgBaghFQ09TUFNWQ3IITkhYNTVaTjEKMwjKmAESAjU2GK2cASCuHCit8pIDMP33kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMQpACMqYARIENzUwNhiuHCCBLSjL-pIDMLT7kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMXoKCMGCARIEMzQ0NQqjAQowCMGCARIDODgyGIEtIKOxASi03JMDMInekwM4TkAAWAFqBE1BSU5yCE5MWDU1VU4xCjAIwYIBEgI2MRijsQEgrZwBKJffkwMwqOWTAzhOQAFYAWoETUFJTnIITkxYNTVVTjEKPQjBggESBDg0NjkYrZwBIOhkKPXmkwMwyueTAzhOQAFYAWoETUFJTnIITkxYNTVVTjF6CgjKmAESBDMwMDkSCggBEAEYASoCSkwYASIECAEQASgCKAMoBDAB) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,798 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1797.13&airProductToken=AQquAQo1CMqYARIEMzAwNhjoZCCtnAEoqumSAzCE6pIDOE5AAFgBaghFQ09TUFNWQ3IITkhYNTVaTjEKMwjKmAESAjU2GK2cASCuHCit8pIDMP33kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMQpACMqYARIENzUwNhiuHCCBLSjL-pIDMLT7kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMXoKCMGCARIEMzQ0NQquAQpACMqYARIENzgwMRiBLSCuHCjw3JMDMOzdkwM4TkAAWAFqCEVDT1NQU1ZDcghOTFg1NVpOMXoKCMGCARIEMjExMgozCMqYARICNTUYrhwgrZwBKMzekwMwyeSTAzhOQAFYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xCjUIypgBEgQzMDA5GK2cASDoZCj15pMDMMrnkwM4TkABWAFqCEVDT1NQU1ZDcghOTFg1NVpOMRIKCAEQARgBKgJKTBgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,825 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1824.03&airProductToken=AQqhAQo7CMGCARIEODQyOBjoZCCnGyi45pIDMIPnkgM4TkAAWAFqBE1BSU5yCE5IWDU1VU4xegkIypgBEgMxMDYKMAjBggESAzE3NhinGyCjsQEoouqSAzDy75IDOE5AAVgBagRNQUlOcghOSFg1NVVOMQowCMGCARIDNTc0GKOxASCBLSj28ZIDMKvzkgM4TkABWAFqBE1BSU5yCE5IWDU1VU4xCp4BCjQIwYIBEgQzNDQ0GIEtIK4cKO_dkwMw6t6TAzhOQABYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xCjEIypgBEgE5GK4cIKcbKLLgkwMwvuaTAzhOQAFYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xCjMIypgBEgMxMzkYpxsg6GQooueTAzDt55MDOE5AAVgBaghFQ09TUFNWQ3IITkxYNTVaTjESCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,830 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1829.13&airProductToken=AQquAQo1CMqYARIEMzAwNhjoZCCtnAEoqumSAzCE6pIDOE5AAFgBaghFQ09TUFNWQ3IITkhYNTVaTjEKMwjKmAESAjU2GK2cASCuHCit8pIDMP33kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMQpACMqYARIENzUwNhiuHCCBLSjL-pIDMLT7kgM4TkABWAFqCEVDT1NQU1ZDcghOSFg1NVpOMXoKCMGCARIEMzQ0NQqeAQo0CMGCARIEMzQ0NBiBLSCuHCjv3ZMDMOrekwM4TkAAWAFqCEVDT1NQU1ZDcghOTFg1NVpOMQoxCMqYARIBORiuHCCnGyiy4JMDML7mkwM4TkABWAFqCEVDT1NQU1ZDcghOTFg1NVpOMQozCMqYARIDMTM5GKcbIOhkKKLnkwMw7eeTAzhOQAFYAWoIRUNPU1BTVkNyCE5MWDU1Wk4xEgoIARABGAEqAkpMGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, Jul 20 - Thu, Jul 30 ITM Osaka BUF Buffalo $1,837 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ITM,to:BUF,departure:7/20/2026TANYT&leg2=from:BUF,to:ITM,departure:7/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1836.23&airProductToken=AQqhAQo7CMGCARIEODQyOBjoZCCnGyi45pIDMIPnkgM4TkAAWAFqBE1BSU5yCE5IWDU1VU4xegkIypgBEgMxMDYKMAjBggESAzE3NhinGyCjsQEoouqSAzDy75IDOE5AAVgBagRNQUlOcghOSFg1NVVOMQowCMGCARIDNTc0GKOxASCBLSj28ZIDMKvzkgM4TkABWAFqBE1BSU5yCE5IWDU1VU4xCqoBCjAIwYIBEgQxMTk1GIEtIK4cKILckwMw-tyTAzhOQABYAWoETUFJTnIITkxYNTVaTjEKOQjBggESBDg0MDQYrhwgpxsosuCTAzC-5pMDOE5AAVgBagRNQUlOcghOTFg1NVpOMXoHCMqYARIBOQo7CMGCARIEODQ0MRinGyDoZCii55MDMO3nkwM4TkABWAFqBE1BSU5yCE5MWDU1Wk4xegkIypgBEgMxMzkSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) __Flights from Osaka (ITM) to Buffalo (BUF)__ | Origin airport | Itami | | ------------------- | ---------------------------------------------------------------------------------------------------------------------- | | Destination airport | Buffalo Niagara Intl. | | Airlines serving | All Nippon Airways, American Airlines, Delta, Japan Airlines, KLM, Korean Air, Qatar Airways, Turkish Airlines, United | | Roundtrip price | $1,687 | | Distance | 6649 mi | ## Osaka to Buffalo Flights The cheapest times to fly from Osaka to Buffalo On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Osaka to Buffalo are during the month of July. You can find some of the cheapest flights from Osaka to Buffalo with Expedia's search tool and vast selection of airlines. The best time to book a flight from Osaka to Buffalo Sunday is one of the best days to book for cheap flights from Osaka to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Osaka to Buffalo Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Osaka to Buffalo in 2026\. You can also book with separate airlines for your outbound and return journeys, from $669 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Osaka to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Osaka to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Hotels near Diamond Hawk Golf Course ](https://www.expedia.com/Diamond-Hawk-Golf-Course-Hotels.0-l6276883-0.Travel-Guide-Filter-Hotels) - [Hotels near Buffalo-Depew Station ](https://www.expedia.com/Buffalo-Depew-Station-Hotels.d6194293.Travel-Guide-Hotels) - [Williamsville Hotels ](https://www.expedia.com/Williamsville-Hotels.d7861.Travel-Guide-Hotels) - [Hotels near Walden Galleria Mall ](https://www.expedia.com/Walden-Galleria-Mall-Hotels.0-l6129205-0.Travel-Guide-Filter-Hotels) - [Hotels near Island Park ](https://www.expedia.com/Island-Park-Hotels.0-l553248621561173658-0.Travel-Guide-Filter-Hotels) - [Cheektowaga Hotels ](https://www.expedia.com/Cheektowaga-Hotels.d7197.Travel-Guide-Hotels) - [Cheap Hotels in Williamsville ](https://www.expedia.com/Williamsville-Hotels-Cheap-Hotels.0-0-d7861-tCheapHotels.Travel-Guide-Filter-Hotels) - 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