Cheap flights from COS to IAD (Colorado Springs to Washington Dulles Intl.)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from COS to IAD starting at $128 One Way, $299 Round Trip

Prices starting at $299 for return flights and $128 for one-way flights to Washington Dulles Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 5 - Sat, Feb 21
COS
Colorado Springs
IAD
Washington
$299 Roundtrip, found 19 hours ago
$299
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Feb 5 from Colorado Springs to Washington, returning Sat, Feb 21, priced at $299 found 19 hours ago
Thu, Nov 27 - Mon, Dec 8
COS
Colorado Springs
IAD
Washington
$304 Roundtrip, found 19 hours ago
$304
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Nov 27 from Colorado Springs to Washington, returning Mon, Dec 8, priced at $304 found 19 hours ago
Fri, Feb 6 - Sat, Feb 21
COS
Colorado Springs
IAD
Washington
$315 Roundtrip, found 19 hours ago
$315
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Feb 6 from Colorado Springs to Washington, returning Sat, Feb 21, priced at $315 found 19 hours ago
Mon, Dec 8 - Wed, Dec 10
COS
Colorado Springs
IAD
Washington
$318 Roundtrip, found 5 days ago
$318
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Dec 8 from Colorado Springs to Washington, returning Wed, Dec 10, priced at $318 found 5 days ago
Mon, Dec 8 - Wed, Dec 10
COS
Colorado Springs
IAD
Washington
$318 Roundtrip, found 5 days ago
$318
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 8 from Colorado Springs to Washington, returning Wed, Dec 10, priced at $318 found 5 days ago

COS to IAD Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
COS Address & GPS
Address:
7770 Milton E. Proby Parkway
Colorado Springs CO, 80916
United States
IATA Code:
COS
Longitude:
-104.700747
Latitude:
38.805778
Time Zone:
America/Denver
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York

Frequently asked questions

Are there non-stop flights from COS to Washington Dulles Intl. Airport (IAD)?
While you can't fly nonstop from COS to Washington Dulles Intl. Airport (IAD) at this point in time, there are a number of companies that operate on this route with just one stop. Why not see if the dates and times offered by United Airlines or Delta Air Lines complement your travel plans? If not, try Southwest Airlines.
What is the shortest flight from COS to Washington Dulles Intl. Airport (IAD)?
Getting from COS to Washington Dulles Intl. Airport (IAD) will take a minimum of 4 hours and 57 minutes. Enjoy a tipple and watch a show or two — this is a great opportunity to relax.
How many hours flight from City of Colorado Springs Municipal Airport to Washington Dulles Intl. Airport (IAD)?
It takes an average of 5 hours and 3 minutes to travel from COS to Washington Dulles Intl. Airport (IAD). Get through this medium-haul journey by watching some films and listening to podcasts. Alternatively, use the time to catch up on some sleep.
What airlines have the most flights from COS to Washington Dulles Intl. Airport (IAD)?
Right now, you can't fly nonstop between COS and IAD. However, you will be able to book flights with at least one stop. There's always a positive side — use the time to get the blood flowing again or grab a decent coffee!

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

More to Explore