$65 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 4/28. 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.

Tue, Mar 31 - Sun, Apr 5
Frontier Logo
6:40 am - 12:04 pm
DEN
-
DCA
3h 24mnonstop
Frontier Logo
6:00 pm - 8:11 pm
DCA
-
DEN
4h 11mnonstop
$131Frontier
Wed, Apr 1 - Mon, Apr 6
Frontier Logo
4:36 pm - 9:59 pm
DEN
-
DCA
3h 23mnonstop
Frontier Logo
7:00 am - 9:07 am
DCA
-
DEN
4h 07mnonstop
$132Frontier
Wed, Apr 1 - Fri, Apr 3
Frontier Logo
4:36 pm - 9:59 pm
DEN
-
DCA
3h 23mnonstop
Frontier Logo
7:00 am - 9:07 am
DCA
-
DEN
4h 07mnonstop
$133Frontier
Tue, May 12 - Fri, May 15
Multiple Airlines Logo
11:59 pm - 4:59 pm
DEN
-
BWI
15h 00m
1 stop
Multiple Airlines Logo
11:05 am - 8:58 pm
BWI
-
DEN
11h 53m
2 stops
$236Multiple Airlines
Sun, Apr 19 - Tue, Apr 21
American Airlines Logo
12:42 pm - 11:26 pm
MTJ
-
IAD
8h 44m
1 stop
American Airlines Logo
7:00 am - 11:58 am
IAD
-
MTJ
6h 58m
1 stop
$269American Airlines
Thu, Mar 26 - Sun, Mar 29
United Airlines Logo
12:45 pm - 8:37 pm
MTJ
-
IAD
5h 52m
1 stop
United Airlines Logo
6:00 am - 2:02 pm
IAD
-
MTJ
10h 02m
1 stop
$294United Airlines
Wed, Apr 15 - Mon, Apr 20
Delta Logo
7:59 am - 11:55 pm
COS
-
IAD
13h 56m
2 stops
Delta Logo
3:00 pm - 8:20 pm
IAD
-
COS
7h 20m
1 stop
$311Delta
Thu, May 7 - Tue, May 19
American Airlines Logo
12:42 pm - 11:26 pm
MTJ
-
IAD
8h 44m
1 stop
American Airlines Logo
7:00 am - 11:58 am
IAD
-
MTJ
6h 58m
1 stop
$318American Airlines
Wed, May 27 - Wed, Jun 3
United Airlines Logo
3:28 pm - 12:45 am
DRO
-
IAD
7h 17m
1 stop
United Airlines Logo
6:30 am - 12:28 pm
IAD
-
DRO
7h 58m
1 stop
$318United Airlines
Sat, Apr 18 - Tue, Apr 21
Delta Logo
11:55 am - 11:25 pm
COS
-
BWI
9h 30m
1 stop
Delta Logo
7:00 am - 12:17 pm
BWI
-
COS
7h 17m
1 stop
$329Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$60
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 12% 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. 
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
Camp Springs
Hunt Valley
Westminster
Stevensville
Chesapeake Beach
Hyattsville

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.