Cheap Flights from Colorado Springs (COS) to Washington (IAD)

Popular airlines from Colorado Springs Municipal Airport (COS) to Washington Dulles International Airport (IAD)

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Find the cheapest month to fly from Colorado Springs (COS) to Washington (IAD)

September is typically the cheapest month to fly

From £147 - £457 per traveller.

Graph displaying average flight prices per month

Flight from Colorado Springs to Washington route information
Origin airport
Colorado Springs
Destination airport
Washington Dulles Intl.
Distance
2336 km

Compare flights from Colorado Springs to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Colorado Springs to Washington. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Colorado Springs to Washington Dulles 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 Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Colorado Springs to Washington 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 Washington Dulles 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 Washington
  • 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 Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Colorado Springs to Washington Dulles 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.  

Frequently asked questions

How much is a flight from Colorado Springs Airport (COS) to Dulles Intl. Airport?
If you're travelling from COS to Washington Dulles Intl. Airport (IAD), round-trip journeys start from . This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Colorado Springs Airport (COS) to Dulles Intl. Airport?
The majority of flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Colorado Springs Airport (COS) to Dulles Intl. 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 Dulles Intl. 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 Washington Dulles Intl. Airport (IAD)?
Around 2,400 kilometres separates Colorado Springs and Chantilly, so pack some entertainment to keep you busy for a few hours. That gripping novel you haven't had time to finish will be ideal.
Which airlines fly direct from COS to IAD?
At present, no airlines offer flights directly from City of Colorado Springs Municipal Airport to Dulles Intl. Airport. You'll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare ahead of time.
Are Colorado Springs Airport (COS) to IAD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from COS to Washington Dulles Intl. Airport (IAD) at the last minute could be your ticket to a cheap deal. However, it could end up costing a good deal more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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