Title: CA $234 Cheap Flights from Ottawa (YOW) to Louisville (SDF) - Expedia.ca ![The Louisville, Kentucky skyline with pedestrian walkway in front](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $234 Cheap Flights from Ottawa (YOW) to Louisville (SDF) [View CA $234 flight on Tue, Jun 16, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YOW,to:SDF,departure:16/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:233.33&airProductToken=AQojCiEI1YIBEgQzNjU5GNizASDyKCig8o8DMK_1jwM4TkAAWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ## Popular airlines from Ottawa International Airport (YOW) to Louisville International Airport (SDF) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:28/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:28/04/2026TANYT&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_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:28/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:28/04/2026TANYT&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_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:28/04/2026TANYT&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 rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Ottawa (YOW) to Louisville (SDF) Prices were available within the past 7 days and start at CA $234 for one-way flights and CA $394 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Jun 16 - Sun, Jun 28 YOW Ottawa SDF Louisville CA $394 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:16/06/2026TANYT&leg2=from:SDF,to:YOW,departure:28/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:393.39&airProductToken=AQojCiEI1YIBEgQzNjU5GNizASDyKCig8o8DMK_1jwM4TkAAWAEKRQogCNWCARIEMzQzOBjyKCCIGCj485ADMNf0kAM4TkAAWAEKIQjVggESBDM2MTIYiBgg2LMBKIL1kAMw6_WQAzhOQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Jun 20 - Sun, Jun 28 YOW Ottawa SDF Louisville CA $402 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:20/06/2026TANYT&leg2=from:SDF,to:YOW,departure:28/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:401.18&airProductToken=AQpFCiEI1YIBEgQzNTYxGNizASCIGCj4mZADMOCakAM4TkAAWAEKIAjVggESBDM1MjYYiBgg8igoj5uQAzD_m5ADOE5AAVgBCkUKIAjVggESBDM0MzgY8iggiBgo-POQAzDX9JADOE5AAFgBCiEI1YIBEgQzNjEyGIgYINizASiC9ZADMOv1kAM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Jun 30 - Tue, Jul 7 YOW Ottawa SDF Louisville CA $423 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:30/06/2026TANYT&leg2=from:SDF,to:YOW,departure:07/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:422.23&airProductToken=AQphCi8I1YIBEgQzNTYxGNizASCIGCi4ipEDMKCLkQM4TkAAWAFqAkJFcghHTkEyQTJCTgouCNWCARIEMzUyNhiIGCDyKCjPi5EDML-MkQM4TkABWAFqAkJFcghHTkEyQTJCTgpjCi8I1YIBEgQzNTk0GPIoIMSNASi22ZEDMLbakQM4TkAAWAFqAkJFcghHTkEyQTJCTgowCNWCARIEMzQ1MhjEjQEg2LMBKLTdkQMwlt6RAzhOQAFYAWoCQkVyCEdOQTJBMkJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, May 21 - Mon, May 25 YOW Ottawa SDF Louisville CA $431 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:21/05/2026TANYT&leg2=from:SDF,to:YOW,departure:25/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:430.28&airProductToken=AQo5CjcI1YIBEgQzNjU5GNizASDyKCjgzY0DMO_QjQM4TkAAWAFqCjFfYmFzaWNlY29yCEdOQTRBMkJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 18 - Sat, Apr 25 YOW Ottawa SDF Louisville CA $438 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:18/04/2026TANYT&leg2=from:SDF,to:YOW,departure:25/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:437.68&airProductToken=AQpxCjcI1YIBEgQzNjk4GNizASCIGCiI14oDMPbXigM4TkAAWAFqCjFfYmFzaWNlY29yCEdOQTRBMkJOCjYI1YIBEgQzOTgwGIgYIPIoKLLYigMwp9mKAzhOQABYAWoKMV9iYXNpY2Vjb3IIR05BNEEyQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 10 - Wed, Jun 17 YOW Ottawa SDF Louisville CA $463 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:10/06/2026TANYT&leg2=from:SDF,to:YOW,departure:17/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:462.19&airProductToken=AQo5CjcI1YIBEgQzNjU5GNizASDyKCjgro8DMO-xjwM4TkAAWAFqCjFfYmFzaWNlY29yCEdOQTRBMkJOCnEKNgjVggESBDM0MzgY8iggiBgomPiPAzD3-I8DOE5AAFgBagoxX2Jhc2ljZWNvcghHTkE0QTJCTgo3CNWCARIEMzYxMhiIGCDYswEoovmPAzCL-o8DOE5AAFgBagoxX2Jhc2ljZWNvcghHTkE0QTJCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Feb 18 - Mon, Feb 22 YOW Ottawa SDF Louisville CA $489 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:18/02/2027TANYT&leg2=from:SDF,to:YOW,departure:22/02/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:488.23&airProductToken=AQqvAQo1CMGGARIDNDQxGNizASCYzgEo0MilAzChyaUDOEdAAFgBaghTVEFOREFSRHIIR05BNEEyVEcKNAjBhgESAzUwNRiYzgEgrhwo_MqlAzDwy6UDOEdAAVgBaghTVEFOREFSRHIIR05BNEEyVEcKQAjBhgESBDM2NjkYrhwg8igoycylAzCdzaUDOEdAAVgBaghTVEFOREFSRHIIR05BNEEyVEd6CgjVggESBDM2NjkKhQEKQAjBhgESBDMwOTUY8iggrhwo9vSlAzDQ9aUDOEdAAFgBaghTVEFOREFSRHIIR05BNEEyVEd6CgjVggESBDMwOTUKQQjBhgESBDQxMTQYrhwg2LMBKKX2pQMwq_elAzhHQAFYAWoIU1RBTkRBUkRyCEdOQTRBMlRHegoI1YIBEgQ0MTE0EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Apr 21 - Thu, Apr 23 YOW Ottawa SDF Louisville CA $508 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:507.65&airProductToken=AQppCiIIxJgBEgQ2OTY1GNizASCYzgEo5PaKAzC194oDOFZAAFgBCiEIxJgBEgQ1NDQ3GJjOASDLASjo-IoDMM75igM4VkABWAEKIAjEmAESBDQ5NTQYywEg8igo1vqKAzDr-4oDOFZAAVgBCmkKIAjEmAESBDExMjYY8igg4Fwo8JKLAzDHk4sDOFZAAFgBCiEIxJgBEgQyNjY5GOBcIJjOASjxk4sDMPeUiwM4VkABWAEKIgjEmAESBDcxNTgYmM4BINizASjSlYsDMJeWiwM4VkABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Apr 25 - Wed, Apr 29 YOW Ottawa SDF Louisville CA $826 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:25/04/2026TANYT&leg2=from:SDF,to:YOW,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:825.16&airProductToken=AQqjAQo-CMGCARIEOTExMhjYswEgmM4BKKWkiwMw8KSLAzhPQABYAWoETUFJTnIIT1VBQ1pTTjF6CgjQiAESBDkxMTIKMAjBggESBDU2NjgYmM4BIEMorqaLAzCWp4sDOE9AAVgBagRNQUlOcghPVUFDWlNOMQovCMGCARIENTQ2MRhDIPIoKNSniwMwzaiLAzhPQAFYAWoETUFJTnIIT1VBQ1pTTjEKpQEKMAjBggESBDQ2OTIY8iggrhwo-NCLAzDc0YsDOE9AAFgBagRNQUlOcghPVUFDWlNOMQoxCMGCARIEMzYwNhiuHCCYzgEomtOLAzCD1IsDOE9AAVgBagRNQUlOcghPVUFDWlNOMQo-CMGCARIEOTExMxiYzgEg2LMBKLzViwMwg9aLAzhPQAFYAWoETUFJTnIIT1VBQ1pTTjF6CgjQiAESBDkxMTMSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Sat, Oct 3 - Tue, Oct 6 YOW Ottawa SDF Louisville CA $1,151 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SDF,departure:03/10/2026TANYT&leg2=from:SDF,to:YOW,departure:06/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1150.64&airProductToken=AQqzAQoyCNemARIDODkzGNizASCYzgEoz7eZAzCQuJkDOExAAFgBagVFQ09OT3IITE9WRDBaRVMKPgjXpgESBDY0NzkYmM4BIOBcKOK5mQMw67qZAzhMQAFYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ2NDc5Cj0I16YBEgQ4Mzg2GOBcIPIoKNS8mQMwpb2ZAzhMQAFYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ4Mzg2CrMBCj0I16YBEgQ3NjI3GPIoIOBcKJPbmQMw6tuZAzhMQABYAWoFRUNPTk9yCExPVkQwWkVTegoIxJgBEgQ3NjI3Cj4I16YBEgQ3MDc5GOBcIJjOASix35kDMLbgmQM4TEABWAFqBUVDT05PcghMT1ZEMFpFU3oKCMSYARIEMjY2OQoyCNemARIDODkyGJjOASDYswEog-GZAzDE4ZkDOExAAVgBagVFQ09OT3IITE9WRDBaRVMSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB) ## Alternative airports near Louisville Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:22/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SDF Louisville Intl. CheapestClosest 9 min [Flights from CA $402 ](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SDF,departure:21/04/2026TANYT&leg2=from:SDF,to:YOW,departure:22/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Ottawa Intl. Airport to SDF? ### Do I need to pay a cancellation fee if I cancel my flight from YOW to Louisville Intl. Airport (SDF)? ### How do I find cheap flights from Ottawa International Airport to Louisville Muhammad Ali Intl. Airport that have flexible change policies? ### How many hours is the flight from Macdonald-Cartier Intl. Airport (YOW) to SDF? ### How far is the flight from YOW to Louisville Muhammad Ali Intl. Airport? ### Which airlines fly direct from Ottawa International Airport to Louisville Intl. Airport (SDF)? ### Are YOW to SDF flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Macdonald-Cartier Intl. | | ------------------- | ----------------------------------------------------- | | Destination airport | Louisville Intl. | | Airlines serving | Air Canada, American Airlines, Delta, United, WestJet | | Roundtrip price | CA $393 | | Distance | 1144 km | ## Explore a world of travel with Expedia - Flights - [Flights from Baltimore to East Louisville ](https://www.expedia.ca/lp/flights/178235/6059555/baltimore-to-east-louisville) - [Flights from Calgary to East Louisville ](https://www.expedia.ca/lp/flights/178245/6059555/calgary-to-east-louisville) - [Flights from Las Vegas to East Louisville ](https://www.expedia.ca/lp/flights/178276/6059555/las-vegas-to-east-louisville) - [Flights from Los Angeles to Northeast Louisville ](https://www.expedia.ca/lp/flights/178280/6059556/los-angeles-to-northeast-louisville) - [Flights from New York to East Louisville ](https://www.expedia.ca/lp/flights/178293/6059555/new-york-to-east-louisville) - [Flights from Seattle to Northeast Louisville ](https://www.expedia.ca/lp/flights/178307/6059556/seattle-to-northeast-louisville) - [Flights from Vancouver to East Louisville ](https://www.expedia.ca/lp/flights/178315/6059555/vancouver-to-east-louisville) - [Flights from Eureka (ACV) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/acv/lex/eureka-to-lexington) - [Flights from Atlantic City (ACY) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/acy/lex/atlantic-city-to-lexington) - [Flights from Kodiak (ADQ) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/adq/lex/kodiak-to-lexington) - [Flights from Waterloo (ALO) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/alo/lex/waterloo-to-lexington) - [Flights from Arequipa (AQP) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/aqp/lex/arequipa-to-lexington) - [Flights from Westfield (BAF) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/baf/lex/westfield-to-lexington) - [Flights from Seattle (BFI) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/bfi/lex/seattle-to-lexington) - [Flights from Bangor (BGR) to Cincinnati (CVG) ](https://www.expedia.ca/lp/flights/bgr/cvg/bangor-to-cincinnati) - [Flights from Bellingham (BLI) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/bli/lex/bellingham-to-lexington) - [Flights from Nashville (BNA) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/bna/lex/nashville-to-lexington) - [Flights from Boise (BOI) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/boi/lex/boise-to-lexington) - [Flights from Burlington (BTV) to Cincinnati (CVG) ](https://www.expedia.ca/lp/flights/btv/cvg/burlington-to-cincinnati) - [Flights from Burlington (BTV) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/btv/lex/burlington-to-lexington) - [Flights from Bowling Green (BWG) to Bardstown (BRY) ](https://www.expedia.ca/lp/flights/bwg/bry/bowling-green-to-bardstown) - [Flights from Columbia (CAE) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/cae/lex/columbia-to-lexington) - [Flights from Sault Ste. 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[Flights from Toronto (YYZ) to Lexington (LEX) ](https://www.expedia.ca/lp/flights/yyz/lex/toronto-to-lexington) \*Available to Expedia members.