--- title: "Cheap Flights to Southwest , CO from CA $150 - Expedia.ca" description: "Looking for cheap flights to Southwest? Few airlines offer no change fee on selected flights to your favourite destinations. Earn double rewards with airline miles + Expedia points. Get your last minute tickets now!" canonical: "https://www.expedia.ca/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-15T04:57:19Z --- # Cheap Flights to Southwest , CO from CA $150 ![A lake with ducks, surrounded by trees in autumn colors.](https://images.trvl-media.com/place/996/80c1ba2a-33d9-4c9a-b66a-80750f99b6e5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $150 flight on Tue, Feb 2, 2027](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:02/02/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:149.80&airProductToken=AQpgCi4IxnISBDE2NTYYgjsg5Voox5ekAzDtmKQDOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDExNzEY5Vogg2koxJmkAzDdm6QDOEVAAVgBagRQQ18xcgdSMjFPWFA0EgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Photo by Ryan Carlos ## Popular airlines Frontier Airlines United American Airlines Delta Southwest Airlines Alaska Airlines JetBlue Airways ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### 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 Southwest? Prices were available within the past 7 days and start at CA $150 for one-way flights and CA $299 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Frontier Airlines flight, departing Tue, Feb 2 from Columbus to Denver, returning Thu, Feb 11, priced at CA $299 Found 2 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:02/02/2027TANYT&leg2=from:DEN,to:CMH,departure:11/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:298.19&airProductToken=AQpgCi4IxnISBDE2MTIYgjsgzHAon5qkAzC0m6QDOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDI1MTkYzHAgg2koxaWkAzDXp6QDOEVAAVgBagRQQ18xcgdSMjFPWFA0CjEKLwjGchIEMTY5NBiDaSCCOyjF%5FKQDMPb9pAM4RUAAWAFqBFBDXzFyCEcxNFJYUzlBEgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Tue, Feb 2 - Thu, Feb 11 · CMH · DEN · Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 8 from Columbus to Denver, returning Fri, Dec 11, priced at CA $353 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:08/12/2026TANYT&leg2=from:DEN,to:CMH,departure:11/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:352.91&airProductToken=AQpgCi4IxnISBDQxOTAYgjsgzHAopaCfAzC1oZ8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDMzMTEYzHAgg2kooqSfAzCupp8DOEVAAVgBagRQQ18xcgdSMjFPWFA0CmAKLgjGchIENDY0NhiDaSDMcCiVwZ8DMPLCnwM4RUAAWAFqBFBDXzFyB0MyMVBYUDQKLgjGchIEMTYxMRjMcCCCOyjay58DMO7MnwM4RUABWAFqBFBDXzFyB0MyMVBYUDQSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Tue, Dec 8 - Fri, Dec 11 · CMH · DEN · Roundtrip [Select Frontier Airlines flight, departing Tue, Feb 2 from Columbus to Denver, returning Thu, Feb 11, priced at CA $357 Found 2 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:02/02/2027TANYT&leg2=from:DEN,to:CMH,departure:11/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:356.69&airProductToken=AQpgCi4IxnISBDE2MTIYgjsgzHAon5qkAzC0m6QDOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDI1MTkYzHAgg2koxaWkAzDXp6QDOEVAAVgBagRQQ18xcgdSMjFPWFA0CmAKLgjGchIEMjUyMBiDaSDMcCjGgqUDMJyEpQM4RUAAWAFqBFBDXzFyB0MyMVBYUDQKLgjGchIEMTYxMRjMcCCCOyizhaUDMMeGpQM4RUABWAFqBFBDXzFyB0MyMVBYUDQSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Tue, Feb 2 - Thu, Feb 11 · CMH · DEN · Roundtrip [Select Frontier Airlines flight, departing Tue, Feb 2 from Columbus to Denver, returning Thu, Feb 11, priced at CA $414 Found 2 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:02/02/2027TANYT&leg2=from:DEN,to:CMH,departure:11/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:413.77&airProductToken=AQpgCi4IxnISBDE2NTYYgjsg5Voox5ekAzDtmKQDOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDExNzEY5Vogg2koxJmkAzDdm6QDOEVAAVgBagRQQ18xcgdSMjFPWFA0CmAKLgjGchIENDY0NhiDaSDMcCi%5F-qQDMJz8pAM4RUAAWAFqBFBDXzFyB00wN1BYUDQKLgjGchIEMTYxMRjMcCCCOyizhaUDMMeGpQM4RUABWAFqBFBDXzFyB00wN1BYUDQSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Tue, Feb 2 - Thu, Feb 11 · CMH · DEN · Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 8 from Columbus to Denver, returning Fri, Dec 11, priced at CA $445 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:08/12/2026TANYT&leg2=from:DEN,to:CMH,departure:11/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:444.12&airProductToken=AQpgCi4IxnISBDI1MzkYgjsg4Fwop6GfAzCWop8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDMyOTMY4Fwgg2ko-aOfAzDRpZ8DOEVAAVgBagRQQ18xcgdSMjFPWFA0EgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Tue, Dec 8 - Fri, Dec 11 · CMH · DEN · Roundtrip [Select Delta flight, departing Tue, Dec 8 from Columbus to Denver, returning Fri, Dec 11, priced at CA $452 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:08/12/2026TANYT&leg2=from:DEN,to:CMH,departure:11/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:451.10&airProductToken=AQptCjUIxJgBEgQyOTA5GII7IOBcKNWenwMwwJ-fAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTSDNCQwo0CMSYARIDOTU3GOBcIINpKP2gnwMwx6KfAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZTSDNCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) Tue, Dec 8 - Fri, Dec 11 · CMH · DEN · Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 8 from Columbus to Denver, returning Fri, Dec 11, priced at CA $453 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:08/12/2026TANYT&leg2=from:DEN,to:CMH,departure:11/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:452.02&airProductToken=AQpgCi4IxnISBDQxOTAYgjsgzHAopaCfAzC1oZ8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDE3MzMYzHAgg2kojqqfAzCRrJ8DOEVAAVgBagRQQ18xcgdSMjFPWFA0EgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Tue, Dec 8 - Fri, Dec 11 · CMH · DEN · Roundtrip [Select American Airlines flight, departing Mon, Dec 7 from Columbus to Denver, returning Tue, Dec 8, priced at CA $533 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:07/12/2026TANYT&leg2=from:DEN,to:CMH,departure:08/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:532.76&airProductToken=AQpmCjEIwYIBEgQxNjQzGII7IKOxASj0kp8DMLaUnwM4R0AAWAFqBE1BSU5yCEdWQUlYU00zCjEIwYIBEgQyNTc5GKOxASCDaSjqlZ8DMOuWnwM4R0ABWAFqBE1BSU5yCEdWQUlYU00zEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) Mon, Dec 7 - Tue, Dec 8 · CMH · DEN · Roundtrip [Select United flight, departing Wed, Dec 23 from Columbus to Denver, returning Tue, Dec 29, priced at CA $696 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:23/12/2026TANYT&leg2=from:DEN,to:CMH,departure:29/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:695.20&airProductToken=AQpDCiAI1YIBEgQzNTI0GII7IK4cKMLGoAMwq8egAzhMQABYAQofCNWCARIDNjE2GK4cIINpKOLHoAMwj8mgAzhMQAFYAQoiCiAI1YIBEgQxODQzGINpIII7KPeQoQMwppKhAzhMQABYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) Wed, Dec 23 - Tue, Dec 29 · CMH · DEN · Roundtrip [Select Southwest Airlines flight, departing Sat, Dec 26 from Columbus to Denver, returning Mon, Jan 4, priced at CA $822 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:DEN,departure:26/12/2026TANYT&leg2=from:DEN,to:CMH,departure:04/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:822.00&airProductToken=AQpfCi4I15wBEgQxMTkwGII7IMFFKPftoAMwx-6gAzhJQABYAWoDV0dBcgdJTEFWUDJHCi0I15wBEgM5OTcYwUUgg2komfCgAzCT8qADOElAAVgBagNXR0FyB0lMQVZQMkcKMAouCNecARIENDMxNhiDaSCCOyju1KEDMI7WoQM4QUAAWAFqA1dHQXIHQVpOVlMyRxIKCAIQARgCKgJIUhgBIgQIARABKAIoAygEMAE) Sat, Dec 26 - Mon · , Jan 4 · CMH · DEN · Roundtrip ## Frequently Asked Questions ### How do I find cheap flights to Southwest that have flexible change policies? It's as easy as 1-2-3 with Expedia. Firstly, enter your travel dates and click on the "Search" button. Next step? Check "No change fee" directly below the "Flexible change policies" heading to the left of the screen. Step 3\. Book your cheap and flexible airfare to Southwest. ### Which airlines fly to Southwest? Reserve your seat with one of these airlines and the dynamic region of Southwest will be yours to explore: - United Airlines - 13,845 flights to or near Southwest each month, including 13,845 flights to Denver Intl. Airport (DEN) per month. - Southwest Airlines - 6,699 flights to or near Southwest each month, including 6,699 flights to Denver Intl. Airport (DEN) per month. - Frontier Airlines - 1,547 flights to or near Southwest each month, including 1,547 flights to Denver Intl. Airport (DEN) per month. ### How can I find cheap tickets to Southwest? Start searching as early as possible, consider nearby airports, use points or miles — there are loads of ways! Another one is to take advantage of Expedia's "flexible dates" function. Search for a Southwest flight, then check out the prices for nearby dates. In the last seven days, the lowest price for a flight to Southwest was CA $299. ### How much is a flight to Southwest? There were lots of low-cost fares for the taking in the last seven days, with the price of a return ticket to Southwest ranging between CA $299 and CA $822\. Many lucky travellers scored one-way seats from Columbus (CMH) for just CA $150. ### What are the most popular airports to fly into in Southwest? The main entryway to Southwest, around 24,420 flights land at Denver Intl. Airport (DEN) every month. Look for an unbeatable deal, lock in your fare and prepare to discover this amazing region. ### When is the cheapest time to fly to Southwest? Flying on a Tuesday, followed by a Monday, is generally the best way to nab the cheapest flight. Stay away from the weekends if you can, because Saturday is typically the costliest day. Spend the dollars you saved having a blast in Southwest instead! ### How much is a plane ticket to Southwest? Ticket prices to Southwest ranged from CA $299 to CA $822 in the last seven days. Usually, the sooner you make a reservation, the better the price. ### What months are the cheapest to book a flight to Southwest? A cheap month to bag a fantastic deal to Southwest is February, while prices rise considerably in December. Give this month a miss if you're watching your pennies. ## Travel information | Airlines serving | Frontier Airlines, United, American Airlines, Delta, Southwest Airlines, Alaska Airlines, JetBlue Airways, Air Canada, Lufthansa, British Airways, Aeromexico, KLM, Brussels Airlines, Air France, Sun Country Airlines, Iberia, Volaris, Icelandair, Finnair, Turkish Airlines, Virgin Atlantic, Austrian Airlines, Swiss International Air Lines, Aer Lingus, WestJet, Copa, SAS, Avianca, TAP Portugal, LATAM Airlines Group, Japan Airlines, All Nippon Airways, Qatar Airways, Korean Air, Cathay Pacific, Denver Air Connection | | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Popular airline | Frontier Airlines | | Roundtrip price | CA $299 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Vacation Rentals](?equalTargetTab=tab-4) - [Things to do](?equalTargetTab=tab-5) - [Tons of Trails! 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Prices and availability are subject to change. All deals One way Roundtrip [Select United flight, departing Tue, Jan 12 from Vancouver to Denver, returning Tue, Jan 12, priced at CA $393 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:YVR,to:DEN,departure:12/01/2027TANYT&leg2=from:DEN,to:YVR,departure:12/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:392.13&airProductToken=AQpzCj4I1YIBEgQ4MjI4GLiNASDPfCiqqqIDMOqrogM4R0AAWAFqBTJfZWNvcghHTkE0QTRUR3oKCMGGARIEODIyOAoxCNWCARIENTQ0NBjPfCCDaSiLrKIDMJ-togM4R0AAWAFqBTJfZWNvcghHTkE0QTRURwpACj4I1YIBEgQ4MzgxGINpILiNASj4rqIDMLiwogM4R0AAWAFqBTJfZWNvcghHTkE0QTRUR3oKCMGGARIEODM4MRIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) Tue, Jan 12 - Tue, Jan 12 · YVR · DEN · Roundtrip \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights zh-hant-HK: https://www.expedia.com.hk/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights de-CH: https://www.expedia.ch/Billigflug-Sudwesten.d553248635975749006.Reise-Angebote-Flug nl-NL: https://www.expedia.nl/Goedkope-Vliegtickets-Zuidwest.d553248635975749006.Reisgids-Vliegtickets de-DE: https://www.expedia.de/Billigflug-Sudwesten.d553248635975749006.Reise-Angebote-Flug en-HK: https://www.expedia.com.hk/en/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-US: https://www.expedia.com/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-IN: https://www.expedia.co.in/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-TW: https://www.expedia.com.tw/en/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights ko-KR: https://www.expedia.co.kr/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-GB: https://www.expedia.co.uk/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights es: https://www.expedia.com/es/Vuelos-Baratos-Suroeste-De-Colorado.d553248635975749006.Guia-de-vuelos en-JP: https://www.expedia.co.jp/en/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights zh-hans-HK: https://www.expedia.com.hk/cn/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights fr-CH: https://www.expedia.ch/fr/Vols-Pas-Cher-Sud-Ouest.d553248635975749006.Voyage-Guide-Vols pt-BR: https://www.expedia.com.br/Voos-Para-Sudoeste.d553248635975749006.guia-de-voos de-AT: https://www.expedia.at/Billigflug-Sudwesten.d553248635975749006.Reise-Angebote-Flug en-KR: https://www.expedia.co.kr/en/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights it-IT: https://www.expedia.it/Voli-Per-Sud-Ovest.d553248635975749006.Guida-Voli-aerei en-AU: https://www.expedia.com.au/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-NZ: https://www.expedia.co.nz/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-SG: https://www.expedia.com.sg/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights fi-FI: https://www.expedia.fi/Halvat-Lennot-Lounais.d553248635975749006.Matkaopas-Lennot zh-TW: https://www.expedia.com.tw/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights fr-CA: https://www.expedia.ca/fr/Cheap-Flights-To-Sud-Ouest.d553248635975749006.Travel-Guide-Flights en-IE: https://www.expedia.ie/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights zh-CN: https://www.expedia.com/cn/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights en-CA: https://www.expedia.ca/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights sv-SE: https://www.expedia.se/Flyg-Till-Sydvast.d553248635975749006.Reseguide-Flyg da-DK: https://www.expedia.dk/Fly-Til-Southwest.d553248635975749006.Rejse-Guide-Fly nl-BE: https://www.expedia.be/Destinations-In-Zuidwest.d553248635975749006.Vliegtickets fr-BE: https://www.expedia.be/fr/Vols-Sud-Ouest.d553248635975749006.Guide-De-Vol en-MY: https://www.expedia.com.my/Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights nb-NO: https://www.expedia.no/Fly-Til-Srvest.d553248635975749006.Reise-Guide-Fly es-MX: https://www.expedia.mx/Vuelos-Baratos-Suroeste-De-Colorado.d553248635975749006.Guia-de-vuelos ja-JP: https://www.expedia.co.jp/Cheap-Flights-To-Southwest.d553248635975749006.Travel-Guide-Flights ```