Title: Cheap Flights from Washington to Colorado Springs (IAD to COS) - Expedia.co.uk ![Aerial View of Colorado Springs with Autumn Colors](https://images.trvl-media.com/place/602991/8e1698ec-c4fe-4eea-8541-c6aa0e46fed7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/602991/8e1698ec-c4fe-4eea-8541-c6aa0e46fed7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Colorado Springs (COS) - [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 Washington Dulles International Airport (IAD) to Colorado Springs Municipal Airport (COS) - ![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:iad,to:cos,departure:30/09/2025TANYT&leg2=from:cos,to:iad,departure:07/10/2025TANYT&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.co.uk/Flights-Search?leg1=from:iad,to:cos,departure:30/09/2025TANYT&leg2=from:cos,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:iad,to:cos,departure:30/09/2025TANYT&leg2=from:cos,to:iad,departure:07/10/2025TANYT&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:iad,to:cos,departure:30/09/2025TANYT&leg2=from:cos,to:iad,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Washington (IAD) to Colorado Springs (COS) ### September is typically the cheapest month to fly From £145 - £464 per traveller. Flight from Washington to Colorado Springs route information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Colorado Springs | | Distance | 2336 km | ## Compare flights from Washington to Colorado Springs easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Colorado Springs. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Colorado Springs in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Colorado Springs.   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 Washington Dulles Intl. (IAD) to Colorado Springs (COS) The easiest way to view the best deals on flights from Washington to Colorado Springs 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 Washington Dulles Intl. to Colorado Springs 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 Washington and Colorado Springs - 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 Washington to Colorado Springs flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Colorado Springs 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.   ## Frequently asked questions ### How much is a flight from Dulles Intl. Airport to Colorado Springs Airport (COS)? > Round-trip journeys from Dulles Intl. Airport to COS start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss 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 Washington Dulles Intl. Airport (IAD) to Colorado Springs Airport (COS)? > This can vary between airlines, as each has its own terms and conditions. Visit the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where there are simple instructions on how to cancel your flight online. ### How do I find cheap flights from IAD to Colorado Springs Airport (COS) 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 Washington Dulles Intl. Airport (IAD) to Colorado Springs Airport (COS) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Washington Dulles Intl. Airport (IAD) to City of Colorado Springs Municipal Airport? > It's around 2,400 kilometres from Chantilly to Colorado Springs, so you'll be up in the air for a while. Keep yourself entertained by packing things like your e-reader or a gripping book. ### Which airlines fly direct from Dulles Intl. Airport to City of Colorado Springs Municipal Airport? > If you want to fly straight from IAD to COS, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports. ### Are Washington Dulles Intl. Airport (IAD) to City of Colorado Springs Municipal Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Dulles Intl. Airport to Colorado Springs Airport (COS) at the last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Washington - [Washington to London (IAD - LCY)](https://expedia.co.uk/lp/flights/iad/lcy/washington-to-london) - [Washington to Bologna (IAD - BLQ)](https://expedia.co.uk/lp/flights/iad/blq/washington-to-bologna) - [Washington to Barcelona (IAD - BCN)](https://expedia.co.uk/lp/flights/iad/bcn/washington-to-barcelona) - [Washington to Florence (IAD - FLR)](https://expedia.co.uk/lp/flights/iad/flr/washington-to-florence) - [Washington to Reykjavik (IAD - KEF)](https://expedia.co.uk/lp/flights/iad/kef/washington-to-reykjavik) - [Washington to Athens (IAD - ATH)](https://expedia.co.uk/lp/flights/iad/ath/washington-to-athens) - [Washington to London (IAD - LHR)](https://expedia.co.uk/lp/flights/iad/lhr/washington-to-london) - 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