Title: £146 Cheap Flights from Colorado Springs to Denver (COS to DEN) - Expedia.co.uk ![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://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £146 Cheap Flights from Colorado Springs (COS) to Denver (DEN) [View £146 flight on Sat, 27 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:COS,to:DEN,departure:27/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:145.90&airProductToken=AQo2CjQI1YIBEgQ0Njc1GMKTASCDaSiZ7YADMOHtgAM4U0AAWAFqB0VDT05PTVlyCFNBQTVBS0ROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) - [Return](?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 Colorado Springs Municipal Airport (COS) to Denver International Airport (DEN) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:cos,to:den,departure:08/11/2025TANYT&leg2=from:den,to:cos,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:cos,to:den,departure:08/11/2025TANYT&leg2=from:den,to:cos,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:cos,to:den,departure:08/11/2025TANYT&leg2=from:den,to:cos,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:cos,to:den,departure:08/11/2025TANYT&leg2=from:den,to:cos,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ![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 25% 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.co.uk/login) ## Cheap Flights from Colorado Springs (COS) to Denver (DEN) Prices were available within the past 7 days and start at £146 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ## Find the cheapest month to fly from Colorado Springs (COS) to Denver (DEN) ### October is typically the cheapest month to fly From £57 - £405 per traveller. ## Frequently asked questions ### How much is a flight from COS to DIA airport? > Round-trip flights from Colorado Springs Airport (COS) to DIA airport start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from City of Colorado Springs Municipal Airport to DIA airport? > Most flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your holiday, follow the easy instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from COS to Denver Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for COS to DIA airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Colorado Springs Airport (COS) to Denver Airport? > With a flight distance of 120 kilometres, it's only a short hop from Colorado Springs Airport (COS) to DEN. It might be a quick one, but it's still worth bringing something to keep you busy on board. ### Which airlines fly direct from COS to DIA airport? > Many adventurers like to fly with United Airlines (UA) from Colorado Springs Airport (COS) to Denver Airport. This leading airline offers 212 monthly flights, so you can pick a flight time that's perfect for you. Southwest Airlines (WN) is also worth considering. It offers 126 flights each month. Between these two airlines, you'll be able to find a good deal from Colorado Springs to Denver. ### Are Colorado Springs Airport (COS) to Denver Airport flight tickets cheaper when they're purchased at the last minute? > Flight tickets from Colorado Springs Airport (COS) to Denver Intl. Airport (DEN) are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials. ## Travel information 0 | Origin airport | Colorado Springs | | --- | --- | | Destination airport | Denver Intl. | | Distance | 116 km | ## Book with confidence ### Compare flights from Colorado Springs to Denver easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Colorado Springs to Denver. Operating between them flights per day, 5 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Colorado Springs to Denver Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Colorado Springs (COS) to Denver Intl. (DEN) The easiest way to view the best deals on flights from Colorado Springs to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Colorado Springs to Denver Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Colorado Springs and Denver - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Colorado Springs to Denver flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Colorado Springs to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Flights - [Flights from Accra (ACC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/acc/cos/accra-to-colorado-springs) - [Flights from Albany (ALB) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/alb/cos/albany-to-colorado-springs) - [Flights from Amsterdam (AMS) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/ams/wbu/amsterdam-to-boulder) - [Flights from Anniston (ANB) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/anb/cos/anniston-to-colorado-springs) - [Flights from Athens (ATH) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ath/cos/athens-to-colorado-springs) - [Flights from Atlanta (ATL) to Denver (APA)](https://www.expedia.co.uk/lp/flights/atl/apa/atlanta-to-denver) - [Flights from Bacolod (BCD) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bcd/cos/bacolod-to-colorado-springs) - [Flights from Birmingham (BHX) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/bhx/wbu/birmingham-to-boulder) - [Flights from Bangkok (BKK) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bkk/cos/bangkok-to-colorado-springs) - [Flights from Blackpool (BLK) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/blk/cos/blackpool-to-colorado-springs) - [Flights from Nashville (BNA) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bna/cos/nashville-to-colorado-springs) - [Flights from Brisbane (BNE) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bne/cos/brisbane-to-colorado-springs) - [Flights from Bournemouth (BOH) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/boh/cos/bournemouth-to-colorado-springs) - [Flights from Boston (BOS) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/bos/bjc/boston-to-broomfield) - [Flights from Boston (BOS) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/bos/wbu/boston-to-boulder) - [Flights from Bristol (BRS) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/brs/cos/bristol-to-colorado-springs) - [Flights from Buffalo (BUF) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/buf/cos/buffalo-to-colorado-springs) - [Flights from Baltimore (BWI) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bwi/cos/baltimore-to-colorado-springs) - [Flights from Bozeman (BZN) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/bzn/cos/bozeman-to-colorado-springs) - [Flights from Columbia (CAE) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/cae/cos/columbia-to-colorado-springs) - [Flights from Cambridge (CGE) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/cge/cos/cambridge-to-colorado-springs) - [Flights from Charleston (CHS) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/chs/cos/charleston-to-colorado-springs) - [Flights from Cleveland (CLE) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/cle/cos/cleveland-to-colorado-springs) - [Flights from Craiova (CRA) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/cra/cos/craiova-to-colorado-springs) - [Flights from Cincinnati (CVG) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/cvg/cos/cincinnati-to-colorado-springs) - [Flights from Dallas (DFW) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/dfw/bjc/dallas-to-broomfield) - [Flights from Darwin (DRW) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/drw/cos/darwin-to-colorado-springs) - [Flights from Dunedin (DUD) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/dud/wbu/dunedin-to-boulder) - [Flights from Dubai (DXB) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/dxb/cos/dubai-to-colorado-springs) - [Flights from Edinburgh (EDI) to Broomfield (BJC)](https://www.expedia.co.uk/lp/flights/edi/bjc/edinburgh-to-broomfield) - [Flights from East Midlands (EMA) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ema/cos/east-midlands-to-colorado-springs) - [Flights from Newark Liberty Intl. 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[Flights from Edmonton (YEG) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/yeg/cos/edmonton-to-colorado-springs) - [Flights from Montreal (YUL) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/yul/cos/montreal-to-colorado-springs) - [Flights from Zakynthos (ZTH) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/zth/cos/zakynthos-to-colorado-springs) \*Available to Expedia members.