$52 Find Cheap Flights from Colorado to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$127
Overall average: $295
Frontier
Fri 1/9Tue 1/13
DEN - IAD • 1 stop
Cheapest non-stop
$127
Typical prices: $187-$374
Frontier
Thu 12/18Wed 1/7
DEN - DCA • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C.!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Colorado to Washington, D.C.

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado to Washington, D.C.

Fri, Jan 9 - Tue, Jan 13
Frontier Logo
6:00 am - 4:46 pmDEN-IAD
8h 46m1 stop
Frontier Logo
6:00 am - 12:21 pmIAD-DEN
8h 21m1 stop
$127Frontier
Find Deal
Thu, Dec 18 - Wed, Jan 7
Frontier Logo
7:35 am - 1:01 pmDEN-DCA
3h 26mnonstop
Frontier Logo
8:59 am - 11:12 amDCA-DEN
4h 13mnonstop
$127Frontier
Find Deal
Fri, Feb 13 - Tue, Feb 17
United Airlines Logo
9:46 am - 3:07 pmDEN-BWI
3h 21mnonstop
United Airlines Logo
8:00 am - 10:16 amBWI-DEN
4h 16mnonstop
$181United Airlines
Find Deal
Fri, Feb 20 - Tue, Feb 24
Multiple Airlines Logo
6:00 am - 7:01 pmDEN-BWI
11h 01m2 stops
Multiple Airlines Logo
7:15 am - 3:55 pmBWI-DEN
10h 40m1 stop
$200Multiple Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
11:22 am - 11:36 pmDEN-BWI
10h 14m2 stops
Multiple Airlines Logo
7:10 am - 12:19 pmBWI-DEN
7h 09m1 stop
$201Multiple Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
American Airlines Logo
6:12 am - 4:31 pmCOS-IAD
8h 19m1 stop
American Airlines Logo
7:01 am - 5:41 pmIAD-COS
12h 40m2 stops
$220American Airlines
Find Deal
Fri, Feb 20 - Mon, Feb 23
Southwest Logo
11:00 am - 9:20 pmCOS-BWI
8h 20m1 stop
Southwest Logo
7:30 am - 11:20 amBWI-COS
5h 50m1 stop
$224Southwest
Find Deal
Mon, Jan 12 - Fri, Jan 16
American Airlines Logo
1:06 pm - 11:12 pmCOS-IAD
8h 06m2 stops
American Airlines Logo
7:01 am - 5:41 pmIAD-COS
12h 40m2 stops
$225American Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 15
Southwest Logo
6:40 am - 4:05 pmCOS-BWI
7h 25m1 stop
Southwest Logo
12:35 pm - 10:00 pmBWI-COS
11h 25m1 stop
$247Southwest
Find Deal
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
11:43 am - 9:21 pmCOS-BWI
7h 38m1 stop
United Airlines Logo
10:05 am - 6:18 pmBWI-COS
10h 13m2 stops
$262United Airlines
Find Deal
Useful Info

Good to know

Low seasonAugust
Cheapest flight$50
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Denver to Baltimore

Flights from Colorado to Washington, D.C.: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Colorado to Washington, D.C. 
JasonFlew with United AirlinesDEN-IADNov 2024
DIA is a large airport. Get there early.
BindulFlew with United AirlinesDEN-IADFeb 2024
There are multiple flights between DEN and IAD everyday, including some wide bodies. Try and get on one of the wide bodies whenever possible.

FAQs for booking flights from Colorado to Washington, D.C.

  • How does KAYAK find such low prices on flights from Colorado to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Oxon Hill
Owings Mills
Glen Burnie
Greenbelt
Ellicott City
Edgewood
Colonial Beach
Pikesville
Hunt Valley
Lutherville Timonium
Stevensville
Hyattsville
Camp Springs
Westminster
Capitol Heights

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Colorado

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.