Title: CA $177 Cheap Flights from Tucson (TUS) to Denver (DEN) - Expedia.ca ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.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) # CA $177 Cheap Flights from Tucson (TUS) to Denver (DEN) [View CA $177 flight on Sat, Nov 8, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:TUS,to:DEN,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:176.90&airProductToken=AQpfCi4IwaYBEgM2NDEYk5UBIJIBKKfI_AIw88n8AjhYQABYAWoCU1ZyCE9IMk9YVUJOCi0IwaYBEgM2NDIYkgEgg2kovcr8AjDhy_wCOFhAAVgBagJTVnIIR0g1T0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [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 Tucson International Airport (TUS) to Denver International Airport (DEN) - ![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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Frontier Airlines](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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](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:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:tus,to:den,departure:23/10/2025TANYT&leg2=from:den,to:tus,departure:30/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) ![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 Tucson (TUS) to Denver (DEN) Prices were available within the past 7 days and start at CA $177 for one-way flights and CA $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $383 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:382.80&airProductToken=AQpfCi4IwaYBEgM2NDEYk5UBIJIBKI34_gIw3vn-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2konvr-AjDD-_4COFhAAVgBagJTVnIIR0g1T0FWQk4KXwotCMGmARIDNTM1GINpIJIBKLLG_wIw7sf_AjhYQABYAWoCU1ZyCEdINU9BVkJOCi4IwaYBEgM2MzgYkgEgk5UBKO7I_wIwo8r_AjhYQAFYAWoCU1ZyCE9IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $411 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:410.80&airProductToken=AQpfCi4IwaYBEgM2NDEYk5UBIJIBKI34_gIw3vn-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2konvr-AjDD-_4COFhAAVgBagJTVnIIR0g1T0FWQk4KXwotCMGmARIDNjQzGINpIJIBKOzB_wIwqsP_AjhYQABYAWoCU1ZyCEdINU9BVkJOCi4IwaYBEgM2NDgYkgEgk5UBKPjE_wIwtcb_AjhYQAFYAWoCU1ZyCFFIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $417 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:416.20&airProductToken=AQpfCi4IwaYBEgM3NjcYk5UBIJIBKIzz_gIw3PT-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM1MzUYkgEgg2ko9vX-AjCa9_4COFhAAVgBagJTVnIIT0gyT0FWQk4KXwotCMGmARIDNTM1GINpIJIBKLLG_wIw7sf_AjhYQABYAWoCU1ZyCEdINU9BVkJOCi4IwaYBEgM2MzgYkgEgk5UBKO7I_wIwo8r_AjhYQAFYAWoCU1ZyCE9IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $445 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:444.10&airProductToken=AQpfCi4IwaYBEgM3NjcYk5UBIJIBKIzz_gIw3PT-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM1MzUYkgEgg2ko9vX-AjCa9_4COFhAAVgBagJTVnIIT0gyT0FWQk4KXwotCMGmARIDNjQzGINpIJIBKOzB_wIwqsP_AjhYQABYAWoCU1ZyCEdINU9BVkJOCi4IwaYBEgM2NDgYkgEgk5UBKPjE_wIwtcb_AjhYQAFYAWoCU1ZyCFFIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $465 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:464.50&airProductToken=AQpfCi4IwaYBEgM3NjcYk5UBIJIBKIzz_gIw3PT-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM2MDIYkgEgg2kou_f-AjDf-P4COFhAAVgBagJTVnIIR0g1T0FWQk4KYgouCMGmARIDNjg0GINpIO-4ASjBxP8CMPXF_wI4WEAAWAFqAlNWcghPSDJPQVZCTgowCMGmARIEMzM3MhjvuAEgk5UBKOLH_wIwjcn_AjhYQAFYAWoCU1ZyCE5IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Dec 5 - Fri, Dec 12 TUS Tucson DEN Denver CA $498 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:05/12/2025TANYT&leg2=from:DEN,to:TUS,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:497.90&airProductToken=AQpfCi4IwaYBEgM3NjcYk5UBIJIBKIzz_gIw3PT-AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM1MzUYkgEgg2ko9vX-AjCa9_4COFhAAVgBagJTVnIIT0gyT0FWQk4KYgouCMGmARIDNjg0GINpIO-4ASjBxP8CMPXF_wI4WEAAWAFqAlNWcghPSDJPQVZCTgowCMGmARIEMzM3MhjvuAEgk5UBKOLH_wIwjcn_AjhYQAFYAWoCU1ZyCE5IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 30 - Sun, Nov 2 TUS Tucson DEN Denver CA $626 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:30/10/2025TANYT&leg2=from:DEN,to:TUS,departure:02/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:625.60&airProductToken=AQqSAQowCMGmARIEMzM3MxiTlQEg77gBKKre-wIw8d_7AjhYQABYAWoCU1ZyCEdIMllBVUJOCi8IwaYBEgQxNDA3GO-4ASCSASjT4fsCMJfi-wI4WEABWAFqAlNWcghHSDJZQVVCTgotCMGmARIDNjQyGJIBIINpKOPk-wIwh-b7AjhYQAFYAWoCU1ZyCFFIMk9BVkJOCl8KLQjBpgESAzY0MxiDaSCSASiogPwCMOOB_AI4WEAAWAFqAlNWcghOSDJPQVZCTgouCMGmARIDNjQ4GJIBIJOVASj0gvwCMK-E_AI4WEABWAFqAlNWcghTSDJPQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 30 - Sun, Nov 2 TUS Tucson DEN Denver CA $647 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:30/10/2025TANYT&leg2=from:DEN,to:TUS,departure:02/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.20&airProductToken=AQpfCi4IwaYBEgM2NDEYk5UBIJIBKMvi-wIwl-T7AjhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2ko4-T7AjCH5vsCOFhAAVgBagJTVnIIUUgyT0FWQk4KXwotCMGmARIDNjQzGINpIJIBKKiA_AIw44H8AjhYQABYAWoCU1ZyCE5IMk9BVkJOCi4IwaYBEgM2NDgYkgEgk5UBKPSC_AIwr4T8AjhYQAFYAWoCU1ZyCFNIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 30 - Sun, Nov 2 TUS Tucson DEN Denver CA $689 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:30/10/2025TANYT&leg2=from:DEN,to:TUS,departure:02/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:688.10&airProductToken=AQpjCjAIwaYBEgQzMzczGJOVASDvuAEoqt77AjDx3_sCOFhAAFgBagJTVnIIUUgyT0FVQk4KLwjBpgESBDEzNDYY77gBIINpKIri-wIwt-P7AjhYQAFYAWoCU1ZyCFFIMk9BVkJOCl8KLQjBpgESAzY0MxiDaSCSASiogPwCMOOB_AI4WEAAWAFqAlNWcghOSDJPQVZCTgouCMGmARIDNjQ4GJIBIJOVASj0gvwCMK-E_AI4WEABWAFqAlNWcghTSDJPQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, Oct 30 - Sun, Nov 2 TUS Tucson DEN Denver CA $723 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:TUS,to:DEN,departure:30/10/2025TANYT&leg2=from:DEN,to:TUS,departure:02/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:722.30&airProductToken=AQqSAQowCMGmARIEMzM3MxiTlQEg77gBKKre-wIw8d_7AjhYQABYAWoCU1ZyCEdIMllBVUJOCi8IwaYBEgQxNDA3GO-4ASCSASjT4fsCMJfi-wI4WEABWAFqAlNWcghHSDJZQVVCTgotCMGmARIDNjQyGJIBIINpKOPk-wIwh-b7AjhYQAFYAWoCU1ZyCFFIMk9BVkJOCmIKLgjBpgESAzY4NBiDaSDvuAEot4L8AjDkg_wCOFhAAFgBagJTVnIIVkg3T0FWQk4KMAjBpgESBDMzNzIY77gBIJOVASj9hfwCMKqH_AI4WEABWAFqAlNWcghTSDJPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Tucson (TUS) to Denver (DEN) ### September is typically the cheapest month to fly From CA $122 - CA $538 per traveller. ## Alternative airports near Denver Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:TUS,to:DEN,departure:23/10/2025TANYT&leg2=from:DEN,to:TUS,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) DEN Denver Intl. Cheapest 32 min [Flights from CA $674](https://www.expedia.ca/Flights-Search?leg1=from:TUS,to:DEN,departure:23/10/2025TANYT&leg2=from:DEN,to:TUS,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Tucson to Denver (TUS - DEN) route information | Origin airport | Tucson Intl. | | --- | --- | | Destination airport | Denver Intl. | | Airlines serving | Alaska Airlines | | Roundtrip price | CA $383 | | Distance | 1020 km | | Average flight time | 2 hours 58 mins | ## Tucson to Denver Flights **The easy way to book your flights from Tucson to Denver**  With Expedia, it’s simple to find and book flights to Denver from Tucson 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 Air Canada, Frontier Airlines, Southwest Airlines, Copa Airlines, Lufthansa, United Airlines nonstop flights to Denver 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 Tucson to Denver today, tomorrow, or this week.   **Save dollars with cheap flights from Tucson Intl., TUS to Denver Intl., DEN**  Sort your search results by price to find great deals on your flight from Tucson to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from Tucson currently is just CA $383 rising to CA $723.   Here are more money-saving tips:  - Fly in December when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Denver   - 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 Denver from Tucson**  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 Denver with Expedia today. ## Frequently asked questions ### How much is a flight from TUS to DIA airport? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Tucson Intl. Airport (TUS) to Denver Intl. Airport (DEN) start from CA $383. Book ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from TUS to DIA airport? > This varies between airlines, as each one has its own set of terms and conditions. Visit the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are instructions on how to cancel your flight online. ### How do I find cheap flights from TUS to Denver Airport that have flexible change policies? > Flights from Tucson Intl. Airport to DEN with flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the fare difference, with no additional fees to worry about. ### How many hours is the flight from Tucson Intl. Airport to DIA airport? > It only takes around 2 hours and 2 minutes to travel from TUS to DEN — just enough time for a short snooze. You'll be landing in Denver by the time you open your eyes. ### How far is the flight from Tucson Intl. Airport (TUS) to DEN? > The distance from Tucson Intl. Airport (TUS) to DEN (DEN) is only 1,050 kilometres. You'll be disembarking the plane and collecting your suitcase from the carousel in no time. ### Which airlines fly direct from Tucson Intl. Airport to Denver Intl. Airport (DEN)? > United Airlines (UA) is one of the preferred choices for travellers jetting between Tucson Intl. Airport and Denver Airport. Select from the 152 flights it operates on this route each month. Another airline operating on this route is Southwest Airlines (WN). You'll have 100 flights each month to select from. ### Are Tucson Intl. Airport to Denver Airport flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some super cheap airfares from TUS to Denver Intl. Airport (DEN) emerging a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Kitchener to Aurora](https://www.expedia.ca/lp/flights/10579/6629/kitchener-to-aurora) - [Flights from Calgary to Denver](https://www.expedia.ca/lp/flights/178245/178254/calgary-to-denver) - [Flights from Indianapolis to North Central Colorado](https://www.expedia.ca/lp/flights/178266/6056771/indianapolis-to-north-central-colorado) - [Flights from Miami to Aurora](https://www.expedia.ca/lp/flights/178286/6629/miami-to-aurora) - [Flights from New York to Aurora](https://www.expedia.ca/lp/flights/178293/6629/new-york-to-aurora) - [Flights from Ottawa to Aurora](https://www.expedia.ca/lp/flights/178296/6629/ottawa-to-aurora) - [Flights from Phoenix to Aurora](https://www.expedia.ca/lp/flights/178298/6629/phoenix-to-aurora) - [Flights from Seattle to Aurora](https://www.expedia.ca/lp/flights/178307/6629/seattle-to-aurora) - [Flights from Toronto to Aurora](https://www.expedia.ca/lp/flights/178314/6629/toronto-to-aurora) - [Flights from Vancouver to Aurora](https://www.expedia.ca/lp/flights/178315/6629/vancouver-to-aurora) - [Flights from Omaha to Aurora](https://www.expedia.ca/lp/flights/2670/6629/omaha-to-aurora) - [Flights from London to Denver](https://www.expedia.ca/lp/flights/4127/178254/london-to-denver) - [Flights from Waterloo (ALO) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/alo/cos/waterloo-to-colorado-springs) - [Flights from Watertown (ART) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/art/cos/watertown-to-colorado-springs) - [Flights from Atlanta (ATL) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/atl/cos/atlanta-to-colorado-springs) - [Flights from Austin (AUS) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/aus/cos/austin-to-colorado-springs) - [Flights from Newcastle (BEO) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/beo/cos/newcastle-to-colorado-springs) - [Flights from Bangor (BGR) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bgr/cos/bangor-to-colorado-springs) - [Flights from Bellingham (BLI) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bli/cos/bellingham-to-colorado-springs) - [Flights from Nashville (BNA) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bna/cos/nashville-to-colorado-springs) - [Flights from Burlington (BTV) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/btv/cos/burlington-to-colorado-springs) - [Flights from Buffalo (BUF) to Denver (APA)](https://www.expedia.ca/lp/flights/buf/apa/buffalo-to-denver) - [Flights from Clarksville (CKV) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/ckv/cos/clarksville-to-colorado-springs) - [Flights from Columbus (CMH) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/cmh/bjc/columbus-to-broomfield) - [Flights from Detroit (DTW) to Denver (APA)](https://www.expedia.ca/lp/flights/dtw/apa/detroit-to-denver) - [Flights from Devils Lake (DVL) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/dvl/cos/devils-lake-to-colorado-springs) - [Flights from Dubai (DXB) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/dxb/cos/dubai-to-colorado-springs) - [Flights from Panama City (ECP) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/ecp/cos/panama-city-to-colorado-springs) - [Flights from El Paso (ELP) to Denver (APA)](https://www.expedia.ca/lp/flights/elp/apa/el-paso-to-denver) - [Flights from Newark Liberty Intl. 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