Title: CA $385 Cheap Flights from Dayton (DAY) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $385 Cheap Flights from Dayton (DAY) to Seattle (SEA) [View CA $385 flight on Fri, Oct 31, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:384.40&airProductToken=AQqaAQoyCMGCARIENTUyORiDwAEg71kovuj7AjCi6fsCOEJAAFgBagVCQVNJQ3IITlVBWlpTQloKMQjBggESBDE2OTIY71kgjAIohuv7AjCy7PsCOEJAAVgBagVCQVNJQ3IITlVBWlpTQloKMQjBggESBDMyNTIYjAIgkgEotu77AjDL8fsCOEJAAVgBagVCQVNJQ3IITzdBV1pTQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [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 Dayton Intl. Airport (DAY) to Seattle-Tacoma International Airport (SEA) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:day,to:sea,departure:01/11/2025TANYT&leg2=from:sea,to:day,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:day,to:sea,departure:01/11/2025TANYT&leg2=from:sea,to:day,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:day,to:sea,departure:01/11/2025TANYT&leg2=from:sea,to:day,departure:08/11/2025TANYT&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:day,to:sea,departure:01/11/2025TANYT&leg2=from:sea,to:day,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![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 Dayton (DAY) to Seattle (SEA) Prices were available within the past 7 days and start at CA $385 for one-way flights and CA $439 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Oct 31 - Wed, Nov 5 DAY Dayton SEA Seattle CA $439 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:438.70&airProductToken=AQppCjMIwYIBEgQ1MjM0GIPAASDimgEo-Of7AjDh6PsCOEJAAFgBagVCQVNJQ3IIT1VGSFpOQlgKMgjBggESBDI0MDcY4poBIJIBKJ3p-wIw9uv7AjhCQAFYAWoFQkFTSUNyCE9VRkhaTkJYCmkKMgjBggESBDEyMDkYkgEgo7EBKMmf_AIwr6H8AjhCQABYAWoFQkFTSUNyCE9WRkhaTkJWCjMIwYIBEgQ1MjQ4GKOxASCDwAEohaP8AjCVpPwCOEJAAVgBagVCQVNJQ3IIT1ZGSFpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Nov 1 - Tue, Nov 4 DAY Dayton SEA Seattle CA $475 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:474.20&airProductToken=AQpECiEIxJgBEgQzMDU4GIPAASDgXCjF9_sCMKz4-wI4RUAAWAEKHwjEmAESAzcxNBjgXCCSASj5-PsCMMH7-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKO6e_AIwhKH8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEog6L8AjDcovwCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Nov 1 - Sun, Nov 9 DAY Dayton SEA Seattle CA $517 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:516.10&airProductToken=AQpECiEIxJgBEgQzMDU4GIPAASDgXCjF9_sCMKz4-wI4RUAAWAEKHwjEmAESAzcxNBjgXCCSASj5-PsCMMH7-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKITX_AIwltn8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEoqtr8AjCG2_wCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Nov 6 - Wed, Nov 12 DAY Dayton SEA Seattle CA $531 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:06/11/2025TANYT&leg2=from:SEA,to:DAY,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:530.10&airProductToken=AQpiCjAIwaYBEgQ2NzczGIPAASCjsQEoqbH8AjDSsvwCOEdAAFgBagJQTXIIT1ZGSFpOTTUKLgjBpgESAzU1MBijsQEgkgEoqrP8AjC9tfwCOE9AAVgBagJQTXIIT1ZGSFpOTTUKYgouCMGmARIDNDE0GJIBIKOxASjQ8fwCMMbz_AI4T0AAWAFqAlBNcghPVkZIWk5NNQowCMGmARIENDQ2MBijsQEgg8ABKJ30_AIwp_X8AjhHQAFYAWoCUE1yCE9WRkhaTk01EgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Oct 31 - Tue, Nov 4 DAY Dayton SEA Seattle CA $559 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:558.10&airProductToken=AQpECiEIxJgBEgQzMDU4GIPAASDgXCil7PsCMIzt-wI4RUAAWAEKHwjEmAESAzcxNBjgXCCSASjZ7fsCMKHw-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKO6e_AIwhKH8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEog6L8AjDcovwCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Nov 1 - Sat, Nov 8 DAY Dayton SEA Seattle CA $566 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:08/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:565.60&airProductToken=AQpECiEIwYIBEgQ0MjI2GIPAASCuHCiY8_sCMOzz-wI4T0AAWAEKHwjBggESAzU2NhiuHCCSASie9PsCMLD2-wI4T0ABWAEKRQogCMGCARIEMjM5OBiSASCuHCj2x_wCMPPJ_AI4T0AAWAEKIQjBggESBDQwNjIYrhwgg8ABKJzK_AIw68r8AjhPQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Oct 28 - Sun, Nov 9 DAY Dayton SEA Seattle CA $572 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:28/10/2025TANYT&leg2=from:SEA,to:DAY,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:572.00&airProductToken=AQpECiEIxJgBEgQzMTQwGIPAASDgXCidxvsCMIHH-wI4RUAAWAEKHwjEmAESAzc3NBjgXCCSASiCyPsCMM_K-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKITX_AIwltn8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEoqtr8AjCG2_wCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Oct 31 - Wed, Nov 5 DAY Dayton SEA Seattle CA $579 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:578.30&airProductToken=AQqaAQoyCMGCARIENTUyORiDwAEg71kovuj7AjCi6fsCOEJAAFgBagVCQVNJQ3IITlVBWlpTQloKMQjBggESBDE2OTIY71kgjAIohuv7AjCy7PsCOEJAAVgBagVCQVNJQ3IITlVBWlpTQloKMQjBggESBDMyNTIYjAIgkgEotu77AjDL8fsCOEJAAVgBagVCQVNJQ3IITzdBV1pTQloKaQoyCMGCARIEMjc0OBiSASCjsQEo5KH8AjDUo_wCOEJAAFgBagVCQVNJQ3IIT1ZGSFpOQlYKMwjBggESBDUxMTcYo7EBIIPAASi9pfwCMMem_AI4QkABWAFqBUJBU0lDcghPVkZIWk5CVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Nov 1 - Fri, Nov 7 DAY Dayton SEA Seattle CA $600 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:600.00&airProductToken=AQpECiEIxJgBEgQzMDU4GIPAASDgXCjF9_sCMKz4-wI4RUAAWAEKHwjEmAESAzcxNBjgXCCSASj5-PsCMMH7-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKM7A_AIw5ML8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEo78P8AjDHxPwCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Oct 31 - Fri, Nov 7 DAY Dayton SEA Seattle CA $607 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:606.20&airProductToken=AQpnCjII1YIBEgQyMjMyGIPAASCuHCi06PsCMIrp-wI4TEAAWAFqBTJfZWNvcghMRkE0QURETgoxCNWCARIEMTYyMBiuHCCSASjo6fsCMIXs-wI4TEAAWAFqBTJfZWNvcghMRkE0QURETgqaAQoxCNWCARIEMTIxOBiSASCDaSjhvvwCMIPA_AI4S0AAWAFqBTJfZWNvcghLRkEyQURETgoxCNWCARIEMTkyNBiDaSCIGCjDwPwCMIjC_AI4S0AAWAFqBTJfZWNvcghLRkEyQURETgoyCNWCARIENDU0MxiIGCCDwAEou8P8AjCcxPwCOEtAAFgBagUyX2Vjb3IIS0ZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Oct 31 - Fri, Nov 7 DAY Dayton SEA Seattle CA $608 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:607.30&airProductToken=AQpqCjMI1YIBEgM3MjMYg8ABIINpKKfp-wIw-er7AjhMQABYAWoHRUNPTk9NWXIITEZBNEFERE4KMwjVggESBDE0MjQYg2kgkgEo--v7AjCz7fsCOExAAVgBagdFQ09OT01ZcghMRkE0QURETgqgAQozCNWCARIEMTIxOBiSASCDaSjhvvwCMIPA_AI4TEAAWAFqB0VDT05PTVlyCExGQTRBREROCjMI1YIBEgQxOTI0GINpIIgYKMPA_AIwiML8AjhMQAFYAWoHRUNPTk9NWXIITEZBNEFERE4KNAjVggESBDQ1NDMYiBggg8ABKLvD_AIwnMT8AjhMQAFYAWoHRUNPTk9NWXIITEZBNEFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Nov 6 - Wed, Nov 12 DAY Dayton SEA Seattle CA $608 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:06/11/2025TANYT&leg2=from:SEA,to:DAY,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:607.50&airProductToken=AQpgCi8IwaYBEgQ2MTI0GIPAASCuHCj0q_wCMMis_AI4R0AAWAFqAlBNcghPVkZIWk5NNQotCMGmARIDNTg3GK4cIJIBKKit_AIwxK_8AjhPQAFYAWoCUE1yCE9WRkhaTk01CmAKLQjBpgESAzQyORiSASCuHCjn8vwCMOb0_AI4UUAAWAFqAlBNcghRVUZIWk5NMwovCMGmARIENDIyOBiuHCCDwAEomfb8AjDj9vwCOEdAAVgBagJQTXIIUVVGSFpOTTMSCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Oct 31 - Wed, Nov 5 DAY Dayton SEA Seattle CA $610 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:609.70&airProductToken=AQpmCjIIwYIBEgQ1MDk0GIPAASCuHCiJ6fsCMN_p-wI4QkAAWAFqBUJBU0lDcghOMEZXWk5CWgowCMGCARIDNTY2GK4cIJIBKKTq-wIwuez7AjhCQAFYAWoFQkFTSUNyCE4wRldaTkJaCmkKMgjBggESBDEyMDkYkgEgo7EBKMmf_AIwr6H8AjhCQABYAWoFQkFTSUNyCE9WRkhaTkJWCjMIwYIBEgQ1MjQ4GKOxASCDwAEohaP8AjCVpPwCOEJAAVgBagVCQVNJQ3IIT1ZGSFpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Oct 28 - Mon, Nov 10 DAY Dayton SEA Seattle CA $614 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:28/10/2025TANYT&leg2=from:SEA,to:DAY,departure:10/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:614.00&airProductToken=AQpECiEIxJgBEgQzMTQwGIPAASDgXCidxvsCMIHH-wI4RUAAWAEKHwjEmAESAzc3NBjgXCCSASiCyPsCMM_K-wI4RUABWAEKRAofCMSYARIDNjUyGJIBIOBcKKTi_AIwtuT8AjhFQABYAQohCMSYARIEMzEwOBjgXCCDwAEoyuX8AjCm5vwCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Oct 28 - Sat, Nov 8 DAY Dayton SEA Seattle CA $622 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:28/10/2025TANYT&leg2=from:SEA,to:DAY,departure:08/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:621.50&airProductToken=AQpFCiEI1YIBEgQ0NzkzGIPAASCuHCiCyvsCMNvK-wI4VEAAWAEKIAjVggESBDIyNzgYrhwgkgEotsv7AjDQzfsCOFRAAVgBCkQKHwjVggESAzc0NxiSASCuHCiNxvwCMIHI_AI4S0AAWAEKIQjVggESBDE2MjUYrhwgg8ABKMbI_AIwj8n8AjhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Oct 31 - Fri, Nov 7 DAY Dayton SEA Seattle CA $637 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:31/10/2025TANYT&leg2=from:SEA,to:DAY,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:636.30&airProductToken=AQpnCjII1YIBEgQyMjMyGIPAASCuHCi06PsCMIrp-wI4TEAAWAFqBTJfZWNvcghMRkE0QURETgoxCNWCARIEMTYyMBiuHCCSASjo6fsCMIXs-wI4TEAAWAFqBTJfZWNvcghMRkE0QURETgqbAQoyCNWCARIENTY1NBiSASCLuAEogLr8AjCzu_wCOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMQjVggESAzMxMRiLuAEgg2ko7bv8AjD-vPwCOExAAFgBagUyX2Vjb3IITEZBNEFERE4KMgjVggESBDEwNjIYg2kgg8ABKMW9_AIw4778AjhMQABYAWoFMl9lY29yCExGQTRBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Nov 1 - Thu, Nov 6 DAY Dayton SEA Seattle CA $642 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:06/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:641.90&airProductToken=AQpECiEIwYIBEgQ0MjI2GIPAASCuHCiY8_sCMOzz-wI4T0AAWAEKHwjBggESAzU2NhiuHCCSASie9PsCMLD2-wI4T0ABWAEKRQogCMGCARIEMjQ0MhiSASCuHCj7qvwCMOus_AI4UUAAWAEKIQjBggESBDUxNjgYrhwgg8ABKJau_AIw5a78AjhRQAFYARIKCAEQARgBKgJBQRgBIgQIARABKAQwAQ) ## Find the cheapest month to fly from Dayton (DAY) to Seattle (SEA) ### April is typically the cheapest month to fly From CA $329 - CA $843 per traveller. ## Alternative airports near Seattle Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:04/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SEA Seattle - Tacoma Intl. Cheapest 20 min [Flights from CA $475](https://www.expedia.ca/Flights-Search?leg1=from:DAY,to:SEA,departure:01/11/2025TANYT&leg2=from:SEA,to:DAY,departure:04/11/2025TANYT&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 Dayton Intl. Airport to Sea-Tac Airport? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between Dayton Intl. Airport and Sea-Tac Airport was CA $439. Cheap tickets don't wait forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from DAY to SEA? > Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from DAY to Sea-Tac Airport that have flexible change policies? > Plenty of airlines offer the option to reschedule your flight at no extra charge. All you pay is the difference in the ticket price. When searching for DAY to Sea-Tac Airport flights, you'll find a "No change fees" box for you to tick. ### How many hours is the flight from Dayton Intl. Airport to SEA? > The flight time from Dayton Intl. Airport to SEA is about 7 hours and 7 minutes. Put on your earphones, listen to a gripping podcast and your trip will whiz by. ### How far is the flight from Dayton Intl. Airport to SEA? > It's around 3,100 kilometres from DAY to Sea-Tac Airport, so expect to be strapped into your seat for a while. Keep yourself entertained with things like a magazine or a gripping book. ### Which airlines fly direct from James M. Cox Dayton Intl. Airport (DAY) to Sea-Tac Airport? > Flying directly between DAY and SEA isn't possible at this time. However, you'll still be able to find a flight to SeaTac with at least one stop. ### Are James M. Cox Dayton Intl. Airport (DAY) to SEA flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Dayton Intl. Airport to Sea-Tac Airport at the last minute could be your ticket to a fantastic deal. However, it could end up costing a good deal more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time. ## Travel information | Origin airport | James M. Cox Dayton Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Roundtrip price | CA $439 | | Distance | 3122 km | ## Book with confidence ### Vandalia to Seattle Flights **The easy way to book your flights from Dayton to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Dayton 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 Seattle - Tacoma Intl., 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 Dayton to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from James M. Cox Dayton Intl., DAY to Seattle - Tacoma Intl., SEA**  Sort your search results by price to find great deals on your flight from Dayton to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Dayton currently is just CA $439 rising to CA $642.   Here are more money-saving tips:  - Fly in October when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Seattle   - 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 Seattle from Dayton**  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. 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