Title: Cheap Flights to Markham , WA from CA $172 - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Markham , WA from CA $172 [View CA $172 flight on Tue, Aug 11, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YEG,to:SEA,departure:11/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:171.48&airProductToken=AQpnCjEIwYYBEgMyMzEYmDEguI0BKPDjlAMw1-SUAzhHQABYAWoFQkFTSUNyCEdOQTJBMkJBCjIIwYYBEgQ4Nzk4GLiNASCSASiu5ZQDMPHllAM4R0ABWAFqBUJBU0lDcghHTkEyQTJCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) - [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 [Markham Travel Guide](https://expedia.ca/Markham.dx553248634983153588)[Hotels in Markham](https://expedia.ca/Markham-Hotels.d553248634983153588.Travel-Guide-Hotels)[Markham Car Rentals](https://expedia.ca/Car-Rentals-In-Markham.d553248634983153588.Car-Rental-Guide)[Markham Vacation Packages](https://expedia.ca/Markham.d553248634983153588.Destination-Travel-Guides) ## Popular 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:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&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_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](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:CMH,to:Markham, Washington, United States of America,departure:18/03/2026TANYT&leg2=from:Markham, Washington, United States of America,to:CMH,departure:25/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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) ## How much is the cheapest flight to Markham? Prices were available within the past 7 days and start at CA $172 for one-way flights and CA $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, May 28 - Thu, Jun 11 YEG Edmonton SEA Seattle CA $280 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YEG,to:SEA,departure:28/05/2026TANYT&leg2=from:SEA,to:YEG,departure:11/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:279.25&airProductToken=AQpnCjEIwYYBEgMyMzEYmDEguI0BKJCYjgMw95iOAzhHQABYAWoFQkFTSUNyCEdOQTRBMkJBCjIIwYYBEgQ4Nzk4GLiNASCSASjxmY4DMLKajgM4R0ABWAFqBUJBU0lDcghHTkE0QTJCQQpoCjIIwYYBEgQ4ODAxGJIBILiNASj4tY8DMLu2jwM4R0AAWAFqBUJBU0lDcghHTkEyQTJCQQoyCMGGARIEODExNhi4jQEgmDEowLePAzCduI8DOEdAAVgBagVCQVNJQ3IIR05BMkEyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAN) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 12 - Mon, Jun 15 YEG Edmonton SEA Seattle CA $288 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YEG,to:SEA,departure:12/06/2026TANYT&leg2=from:SEA,to:YEG,departure:15/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:287.70&airProductToken=AQpDCh8I1YIBEgM0NzUYmDEgg2koncWPAzDCxo8DOE5AAFgBCiAI1YIBEgQxNDgyGINpIJIBKJDMjwMwxM2PAzhOQAFYAQpECiAI1YIBEgQyNjAxGJIBIINpKNDijwMw8-OPAzhOQABYAQogCNWCARIEMTgxNhiDaSCYMSju6I8DMJTqjwM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Sat, Aug 1 - Wed, Aug 5 YEG Edmonton SEA Seattle CA $299 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YEG,to:SEA,departure:01/08/2026TANYT&leg2=from:SEA,to:YEG,departure:05/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.87&airProductToken=AQplCjAI16YBEgMxNDkYmDEgmBYozPeTAzCI-JMDOEVAAFgBagVCQVNJQ3IITFRVRDBaQk0KMQjXpgESBDE1NTIYmBYgkgEo9viTAzDp-ZMDOEVAAVgBagVCQVNJQ3IITFRVRDBaQk0KZQoxCNemARIEMzc1MRiSASCYFiiooZQDMJailAM4RUAAWAFqBUJBU0lDcghMVFVEMFpCTQowCNemARIDMTQ2GJgWIJgxKOGilAMwnaOUAzhFQAFYAWoFQkFTSUNyCExUVUQwWkJNEgoIARABGAEqAldTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, Mar 17 - Tue, Mar 31 YYZ Toronto SEA Seattle CA $329 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:SEA,departure:17/03/2026TANYT&leg2=from:SEA,to:YYZ,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:328.74&airProductToken=AQowCi4IwaYBEgMzOTEYmM4BIJIBKJ3yhwMw6vSHAzhYQABYAWoCU1ZyCEdINE9BVkJOCjAKLgjBpgESAzM4NRiSASCYzgEojY2JAzChj4kDOFhAAFgBagJTVnIIR0g0T0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, May 30 - Tue, Jun 2 YYC Calgary PDX Portland CA $334 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:PDX,departure:30/05/2026TANYT&leg2=from:PDX,to:YYC,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:333.24&airProductToken=AQpvCjUIxJgBEgQ0MDcyGJgWIPISKLmvjgMwwrCOAzhFQABYAWoJTUFJTkJBU0lDcghWQVVTQTBCUQo2CMSYARIEMTI0NBjyEiDvuAEo77KOAzDks44DOEVAAVgBaglNQUlOQkFTSUNyCFZBVVNBMEJRCm8KNgjEmAESBDEyMDkY77gBIPISKLjUjgMwrtWOAzhFQABYAWoJTUFJTkJBU0lDcghYQVdOQTBCUQo1CMSYARIENDExMxjyEiCYFiiq144DMKnYjgM4RUABWAFqCU1BSU5CQVNJQ3IIWEFXTkEwQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA) ### October is typically the cheapest month to fly From CA $193 - CA $305 per traveller. ![](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.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Book with confidence Expedia.ca gives you the best tools to secure great deals on flights to Markham. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Markham. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Markham. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Markham flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Markham. Looking to save even more? Get additional savings by bundling your Markham flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Markham trip! ## Travel information | Destination airport | Seattle - Tacoma Intl. | | ----------------------------- | ---------------------- | | Destination airport IATA code | SEA | | Destination city name | Seattle | | Roundtrip price | CA $279 | ## Trending flights to Markham Prices were available within the past 7 days and start at CA $172 for one-way flights and CA $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, May 25 - Tue, Jun 2 YYC Calgary SEA Seattle CA $286 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYC,to:SEA,departure:25/05/2026TANYT&leg2=from:SEA,to:YYC,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:285.55&airProductToken=AQpFCiAIwYYBEgMyMjMYmBYguI0BKMb8jQMwqP2NAzhHQABYAQohCMGGARIEODgxMBi4jQEgkgEo__2NAzDA_o0DOEdAAVgBCkUKIQjBhgESBDg4MDcYkgEguI0BKIjVjgMwy9WOAzhHQABYAQogCMGGARIDMjIyGLiNASCYFiiU1o4DMO_WjgM4R0ABWAESCggBEAEYASoCQUMYASIECAEQASgIKAQwAQ) \*Available to Expedia members.