Title: Cheap Flights from Ottawa (YOW) to Santa Rosa (STS) - Expedia.ca ![](https://images.trvl-media.com/place/3288/93d7ff98-0178-43a1-b262-1a96bbba25d1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3288/93d7ff98-0178-43a1-b262-1a96bbba25d1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ottawa (YOW) to Santa Rosa (STS) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers 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 Ottawa to Santa Rosa, CA (STS-Sonoma County) - ![Air Canada](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:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](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:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](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:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](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:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](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:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:STS,departure:31/12/2025TANYT&leg2=from:STS,to:YOW,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](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\* - ![deals illustration](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\* - ![trophy illustration](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 Santa Rosa (STS) Prices were available within the past 7 days and start at for one-way flights and CA $810 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 5 - Sat, Feb 14 YOW Ottawa STS Santa Rosa CA $810 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:05/02/2026TANYT&leg2=from:STS,to:YOW,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:809.11&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiBrIQDMNGshAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKMSthAMwlLCEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKJy0hAMwgrWEAzhPQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5JKFAzDPk4UDOE5AAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0lYUDMI6YhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI6ZhQMw15mFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Feb 6 - Sat, Feb 14 YOW Ottawa STS Santa Rosa CA $837 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:06/02/2026TANYT&leg2=from:STS,to:YOW,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:836.61&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiht4QDMPG3hAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKOS4hAMwtLuEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKLy_hAMwosCEAzhRQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5JKFAzDPk4UDOE5AAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0lYUDMI6YhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI6ZhQMw15mFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sat, Feb 7 - Sat, Feb 14 YOW Ottawa STS Santa Rosa CA $858 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:07/02/2026TANYT&leg2=from:STS,to:YOW,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:857.99&airProductToken=AQpoCiEI0IgBEgMxNTAY2LMBIJjOASjBwoQDMJHDhAM4TEAAWAEKIAjQiAESAzYzMxiYzgEgz3wotsSEAzCBx4QDOExAAVgBCiEIwaYBEgQzMjEzGM98IPKUASityIQDMIzJhAM4T0ABWAEKagoiCMGmARIEMzM2NhjylAEgi7gBKOSShQMwz5OFAzhOQABYAQohCNCIARIDNjY0GIu4ASCYzgEo9JWFAzCOmIUDOExAAVgBCiEI0IgBEgMxNzkYmM4BINizASiOmYUDMNeZhQM4TEABWAESCggBEAEYASoCUEQYASIECAEQASgEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 5 - Wed, Feb 18 YOW Ottawa STS Santa Rosa CA $892 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:05/02/2026TANYT&leg2=from:STS,to:YOW,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:891.62&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiBrIQDMNGshAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKMSthAMwlLCEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKJy0hAMwgrWEAzhPQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5L-FAzDPwIUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0woUDMI7FhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI7GhQMw18aFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sun, Feb 8 - Sat, Feb 14 YOW Ottawa STS Santa Rosa CA $910 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:08/02/2026TANYT&leg2=from:STS,to:YOW,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:909.35&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASjhzYQDMLHOhAM4WEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKKTPhAMw9NGEAzhYQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKPzVhAMw4taEAzhOQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5JKFAzDPk4UDOE5AAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0lYUDMI6YhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI6ZhQMw15mFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Feb 6 - Wed, Feb 18 YOW Ottawa STS Santa Rosa CA $920 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:06/02/2026TANYT&leg2=from:STS,to:YOW,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:919.11&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiht4QDMPG3hAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKOS4hAMwtLuEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKLy_hAMwosCEAzhRQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5L-FAzDPwIUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0woUDMI7FhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI7GhQMw18aFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 5 - Mon, Feb 16 YOW Ottawa STS Santa Rosa CA $922 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:05/02/2026TANYT&leg2=from:STS,to:YOW,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:921.77&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiBrIQDMNGshAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKMSthAMwlLCEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKJy0hAMwgrWEAzhPQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEopKmFAzCPqoUDOFNAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASi0rIUDMM6uhQM4QUABWAEKIQjQiAESAzE3ORiYzgEg2LMBKM6vhQMwl7CFAzhBQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Tue, Feb 10 - Sat, Feb 14 YOW Ottawa STS Santa Rosa CA $924 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:10/02/2026TANYT&leg2=from:STS,to:YOW,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:923.78&airProductToken=AQppCiEI0IgBEgM2MzcY2LMBIO-5ASiH5oQDMMzohAM4TEAAWAEKIQjBpgESBDIzNDYY77kBIJJoKLXphAMwguqEAzhRQAFYAQohCMGmARIEMzMwMhiSaCDylAEo0eqEAzDH64QDOFFAAVgBCmoKIgjBpgESBDMzNjYY8pQBIIu4ASjkkoUDMM-ThQM4TkAAWAEKIQjQiAESAzY2NBiLuAEgmM4BKPSVhQMwjpiFAzhMQAFYAQohCNCIARIDMTc5GJjOASDYswEojpmFAzDXmYUDOExAAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sat, Feb 7 - Wed, Feb 18 YOW Ottawa STS Santa Rosa CA $941 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:07/02/2026TANYT&leg2=from:STS,to:YOW,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:940.48&airProductToken=AQpoCiEI0IgBEgMxNTAY2LMBIJjOASjBwoQDMJHDhAM4TEAAWAEKIAjQiAESAzYzMxiYzgEgz3wotsSEAzCBx4QDOExAAVgBCiEIwaYBEgQzMjEzGM98IPKUASityIQDMIzJhAM4T0ABWAEKagoiCMGmARIEMzM2NhjylAEgi7gBKOS_hQMwz8CFAzhWQABYAQohCNCIARIDNjY0GIu4ASCYzgEo9MKFAzCOxYUDOExAAVgBCiEI0IgBEgMxNzkYmM4BINizASiOxoUDMNfGhQM4TEABWAESCggBEAEYASoCUEQYASIECAEQASgEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Feb 6 - Mon, Feb 16 YOW Ottawa STS Santa Rosa CA $950 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:06/02/2026TANYT&leg2=from:STS,to:YOW,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:949.27&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiht4QDMPG3hAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKOS4hAMwtLuEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKLy_hAMwosCEAzhRQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEopKmFAzCPqoUDOFNAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASi0rIUDMM6uhQM4QUABWAEKIQjQiAESAzE3ORiYzgEg2LMBKM6vhQMwl7CFAzhBQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 5 - Tue, Feb 17 YOW Ottawa STS Santa Rosa CA $964 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:05/02/2026TANYT&leg2=from:STS,to:YOW,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:963.02&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiBrIQDMNGshAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKMSthAMwlLCEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKJy0hAMwgrWEAzhPQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEoxLSFAzCvtYUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASjUt4UDMO65hQM4QUABWAEKIQjQiAESAzE3ORiYzgEg2LMBKO66hQMwt7uFAzhBQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sat, Feb 7 - Mon, Feb 16 YOW Ottawa STS Santa Rosa CA $971 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:07/02/2026TANYT&leg2=from:STS,to:YOW,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:970.64&airProductToken=AQpoCiEI0IgBEgMxNTAY2LMBIJjOASjBwoQDMJHDhAM4TEAAWAEKIAjQiAESAzYzMxiYzgEgz3wotsSEAzCBx4QDOExAAVgBCiEIwaYBEgQzMjEzGM98IPKUASityIQDMIzJhAM4T0ABWAEKagoiCMGmARIEMzM2NhjylAEgi7gBKKSphQMwj6qFAzhTQABYAQohCNCIARIDNjY0GIu4ASCYzgEotKyFAzDOroUDOEFAAVgBCiEI0IgBEgMxNzkYmM4BINizASjOr4UDMJewhQM4QUABWAESCggBEAEYASoCUEQYASIECAEQASgEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Thu, Feb 5 - Fri, Feb 13 YOW Ottawa STS Santa Rosa CA $990 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:05/02/2026TANYT&leg2=from:STS,to:YOW,departure:13/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:989.27&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiBrIQDMNGshAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKMSthAMwlLCEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKJy0hAMwgrWEAzhPQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEoxIeFAzCviIUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASjUioUDMO6MhQM4U0ABWAEKIQjQiAESAzE3ORiYzgEg2LMBKO6NhQMwt46FAzhTQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Feb 6 - Tue, Feb 17 YOW Ottawa STS Santa Rosa CA $991 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:06/02/2026TANYT&leg2=from:STS,to:YOW,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:990.52&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiht4QDMPG3hAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKOS4hAMwtLuEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKLy_hAMwosCEAzhRQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEoxLSFAzCvtYUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASjUt4UDMO65hQM4QUABWAEKIQjQiAESAzE3ORiYzgEg2LMBKO66hQMwt7uFAzhBQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sun, Feb 8 - Wed, Feb 18 YOW Ottawa STS Santa Rosa CA $992 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:08/02/2026TANYT&leg2=from:STS,to:YOW,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:991.86&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASjhzYQDMLHOhAM4WEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKKTPhAMw9NGEAzhYQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKPzVhAMw4taEAzhOQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEo5L-FAzDPwIUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASj0woUDMI7FhQM4TEABWAEKIQjQiAESAzE3ORiYzgEg2LMBKI7GhQMw18aFAzhMQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Tue, Feb 10 - Wed, Feb 18 YOW Ottawa STS Santa Rosa CA $1,007 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:10/02/2026TANYT&leg2=from:STS,to:YOW,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1006.28&airProductToken=AQppCiEI0IgBEgM2MzcY2LMBIO-5ASiH5oQDMMzohAM4TEAAWAEKIQjBpgESBDIzNDYY77kBIJJoKLXphAMwguqEAzhRQAFYAQohCMGmARIEMzMwMhiSaCDylAEo0eqEAzDH64QDOFFAAVgBCmoKIgjBpgESBDMzNjYY8pQBIIu4ASjkv4UDMM_AhQM4VkAAWAEKIQjQiAESAzY2NBiLuAEgmM4BKPTChQMwjsWFAzhMQAFYAQohCNCIARIDMTc5GJjOASDYswEojsaFAzDXxoUDOExAAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sat, Feb 7 - Tue, Feb 17 YOW Ottawa STS Santa Rosa CA $1,012 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:07/02/2026TANYT&leg2=from:STS,to:YOW,departure:17/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1011.88&airProductToken=AQpoCiEI0IgBEgMxNTAY2LMBIJjOASjBwoQDMJHDhAM4TEAAWAEKIAjQiAESAzYzMxiYzgEgz3wotsSEAzCBx4QDOExAAVgBCiEIwaYBEgQzMjEzGM98IPKUASityIQDMIzJhAM4T0ABWAEKagoiCMGmARIEMzM2NhjylAEgi7gBKMS0hQMwr7WFAzhWQABYAQohCNCIARIDNjY0GIu4ASCYzgEo1LeFAzDuuYUDOEFAAVgBCiEI0IgBEgMxNzkYmM4BINizASjuuoUDMLe7hQM4QUABWAESCggBEAEYASoCUEQYASIECAEQASgEMAE) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Fri, Feb 6 - Fri, Feb 13 YOW Ottawa STS Santa Rosa CA $1,017 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:06/02/2026TANYT&leg2=from:STS,to:YOW,departure:13/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1016.77&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASiht4QDMPG3hAM4TEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKOS4hAMwtLuEAzhMQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKLy_hAMwosCEAzhRQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEoxIeFAzCviIUDOFZAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASjUioUDMO6MhQM4U0ABWAEKIQjQiAESAzE3ORiYzgEg2LMBKO6NhQMwt46FAzhTQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Sun, Feb 8 - Mon, Feb 16 YOW Ottawa STS Santa Rosa CA $1,023 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:08/02/2026TANYT&leg2=from:STS,to:YOW,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1022.02&airProductToken=AQpqCiEI0IgBEgMxNTAY2LMBIJjOASjhzYQDMLHOhAM4WEAAWAEKIQjQiAESAzY2MxiYzgEgi7gBKKTPhAMw9NGEAzhYQAFYAQoiCMGmARIEMzM0OBiLuAEg8pQBKPzVhAMw4taEAzhOQAFYAQpqCiIIwaYBEgQzMzY2GPKUASCLuAEopKmFAzCPqoUDOFNAAFgBCiEI0IgBEgM2NjQYi7gBIJjOASi0rIUDMM6uhQM4QUABWAEKIQjQiAESAzE3ORiYzgEg2LMBKM6vhQMwl7CFAzhBQAFYARIKCAEQARgBKgJQRBgBIgQIARABKAQwAQ) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Tue, Feb 10 - Mon, Feb 16 YOW Ottawa STS Santa Rosa CA $1,037 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:STS,departure:10/02/2026TANYT&leg2=from:STS,to:YOW,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1036.43&airProductToken=AQppCiEI0IgBEgM2MzcY2LMBIO-5ASiH5oQDMMzohAM4TEAAWAEKIQjBpgESBDIzNDYY77kBIJJoKLXphAMwguqEAzhRQAFYAQohCMGmARIEMzMwMhiSaCDylAEo0eqEAzDH64QDOFFAAVgBCmoKIgjBpgESBDMzNjYY8pQBIIu4ASikqYUDMI-qhQM4U0AAWAEKIQjQiAESAzY2NBiLuAEgmM4BKLSshQMwzq6FAzhBQAFYAQohCNCIARIDMTc5GJjOASDYswEozq-FAzCXsIUDOEFAAVgBEgoIARABGAEqAlBEGAEiBAgBEAEoBDAB) __Flight from Ottawa to Santa Rosa (YOW - STS) route information__ | Origin airport | Macdonald-Cartier Intl. | | ------------------- | ----------------------- | | Destination airport | Sonoma County | | Roundtrip price | CA $809 | | Distance | 3892 km | ## Ottawa to Windsor Flights **The easy way to book your flights from Ottawa to Santa Rosa** With Expedia, it’s simple to find and book flights to Santa Rosa from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Sonoma County, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Santa Rosa today, tomorrow, or this week. **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Sonoma County, STS** Sort your search results by price to find great deals on your flight from Ottawa to Santa Rosa—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Santa Rosa from Ottawa currently is just CA $810 rising to CA $1,037\. Here are more money-saving tips: - Fly in February when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Santa Rosa - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Santa Rosa from Ottawa** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Santa Rosa with Expedia today. ## Frequently asked questions ### How much is a flight from YOW to Sonoma County Airport (STS)? ### Do I need to pay a cancellation fee if I cancel my flight from YOW to Sonoma County Airport? ### How do I find cheap flights from Ottawa Intl. Airport to Sonoma County Airport (STS) that have flexible change policies? ### How far is the flight from Macdonald-Cartier Intl. Airport (YOW) to Sonoma County Airport? ### Which airlines fly direct from Ottawa Intl. Airport to Sonoma County Airport? ### Are Ottawa Intl. Airport to Sonoma County Airport (STS) flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Flights - [Flights from Dortmund to Napa ](https://www.expedia.ca/lp/flights/1066/6141/dortmund-to-napa) - [Flights from Grand Forks to Napa ](https://www.expedia.ca/lp/flights/1312/6141/grand-forks-to-napa) - [Flights from Grand Junction to Napa ](https://www.expedia.ca/lp/flights/1331/6141/grand-junction-to-napa) - [Flights from Great Falls to Napa ](https://www.expedia.ca/lp/flights/1392/6141/great-falls-to-napa) - [Flights from Guayaquil to Napa ](https://www.expedia.ca/lp/flights/1414/6141/guayaquil-to-napa) - [Flights from Helena to Napa ](https://www.expedia.ca/lp/flights/1481/6141/helena-to-napa) - [Flights from Hilo to Napa ](https://www.expedia.ca/lp/flights/1643/6141/hilo-to-napa) - [Flights from Atlanta to Santa Rosa ](https://www.expedia.ca/lp/flights/178232/3288/atlanta-to-santa-rosa) - [Flights from Chicago to Napa Valley ](https://www.expedia.ca/lp/flights/178248/180046/chicago-to-napa-valley) - 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