$55 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 4/22. 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

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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.

sex, mai 1 - ter, mai 5
Frontier Logo
4:36 pm - 9:59 pm
DEN
-
DCA
3h 23mnonstop
Frontier Logo
6:00 pm - 8:11 pm
DCA
-
DEN
4h 11mnonstop
$122Frontier
sex, mai 1 - seg, mai 4
Frontier Logo
11:59 pm - 9:54 am
DEN
-
IAD
7h 55m
1 stop
Frontier Logo
7:43 pm - 11:03 pm
IAD
-
DEN
29h 20m
1 stop
$123Frontier
qui, abr 30 - qua, mai 6
United Airlines Logo
11:43 am - 7:28 pm
COS
-
IAD
5h 45m
1 stop
United Airlines Logo
8:12 pm - 11:59 pm
IAD
-
COS
5h 47m
1 stop
$217United Airlines
ter, abr 21 - sáb, abr 25
United Airlines Logo
12:18 pm - 10:15 pm
COS
-
DCA
7h 57m
1 stop
United Airlines Logo
6:30 am - 10:57 am
DCA
-
COS
6h 27m
1 stop
$217United Airlines
qua, mai 13 - sáb, mai 16
Delta Logo
6:00 am - 6:59 pm
COS
-
DCA
10h 59m
2 stops
Delta Logo
6:00 am - 12:48 pm
DCA
-
COS
8h 48m
1 stop
$222Delta
ter, mar 10 - ter, mar 24
Multiple Airlines Logo
8:17 am - 10:53 pm
DEN
-
BWI
12h 36m
2 stops
Multiple Airlines Logo
6:05 am - 11:04 pm
BWI
-
DEN
18h 59m
1 stop
$226Multiple Airlines
ter, mar 24 - ter, mar 31
Multiple Airlines Logo
12:54 pm - 12:41 am
DEN
-
BWI
9h 47m
2 stops
Multiple Airlines Logo
7:40 pm - 8:42 am
BWI
-
DEN
15h 02m
1 stop
$236Multiple Airlines
ter, mar 31 - ter, abr 28
American Airlines Logo
1:59 pm - 10:53 pm
COS
-
IAD
6h 54m
1 stop
American Airlines Logo
7:00 am - 12:49 pm
IAD
-
COS
7h 49m
1 stop
$257American Airlines
ter, mar 31 - ter, abr 28
American Airlines Logo
1:59 pm - 11:00 pm
COS
-
DCA
7h 01m
1 stop
American Airlines Logo
6:00 am - 12:49 pm
DCA
-
COS
8h 49m
1 stop
$257American Airlines
qui, mai 14 - ter, mai 19
Delta Logo
1:55 pm - 11:44 pm
COS
-
DCA
7h 49m
1 stop
Delta Logo
7:59 am - 12:48 pm
DCA
-
COS
6h 49m
1 stop
$268Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$55
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 10% increase in price.
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. 
NesrinFlew with Southwest
DEN
-
IAD
Feb 2026
Get a seat in the very front if you can, otherwise, it is a very slow process.
JasonFlew with United Airlines
DEN
-
IAD
Nov 2024
DIA is a large airport. Get there early.
BindulFlew with United Airlines
DEN
-
IAD
Feb 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
Lutherville Timonium
Hunt Valley
Camp Springs
Westminster
Stevensville
Hyattsville
Chesapeake Beach

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.