₩302,700 Cheap Flights from Colorado Springs (COS) to Washington (IAD)

View ₩302,700 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Washington Dulles Intl. Airport (IAD)

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

Prices were available within the past 7 days and start at ₩302,700 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From ₩275,288 - ₩968,643 per traveler.

Frequently asked questions

How much is a flight from Colorado Springs Airport (COS) to Dulles Intl. Airport?
If you're traveling 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 canceled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your vacation, 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 kilometers 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.

Travel information

Travel information

Origin airport
Colorado Springs
Destination airport
Washington Dulles Intl.
Distance
2336 km

Book with confidence

Book with confidence

Colorado Springs to Chantilly Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Colorado Springs to Chantilly will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chantilly.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with COS to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Colorado Springs for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Colorado Springs to Chantilly Flights

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