$136 Find Cheap Flights from Colorado to District of Columbia - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Colorado to District of Columbia departing on 11/16. 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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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$136
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Colorado Springs to Reagan Washington National Airport

Flights from Colorado to District of Columbia: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Colorado to District of Columbia 
NguyenFlew with United Airlines
DEN
-
DCA
Mar 2026
Check in desk immediately when you come in the doors on the left of door 215. Get TSA touchless before the flight—the line is so much shorter.
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 District of Columbia

  • How does KAYAK find such low prices on flights from Colorado to District of Columbia?

    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 District of Columbia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to District of Columbia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Colorado to District of Columbia 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 District of Columbia?

    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 from Colorado to District of Columbia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to District of Columbia?

    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 from Colorado to District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to District of Columbia?

    Colorado and District of Columbia are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (80 flights per week), Copa Airlines (68 flights per week), and Frontier (19 flights per week).

  • How many airports are there in District of Columbia?

    There are 2 airports in District of Columbia. The busiest airport is Washington Dulles Airport (IAD), with 60% of all flights arriving there.

  • Which is the cheapest airport to fly into in District of Columbia?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in District of Columbia is Washington, D.C. Reagan-National Airport (DCA), with an average flight price of $292.

  • What is the cheapest day to fly to District of Columbia?

    Based on KAYAK data, the cheapest day to fly to District of Columbia is Thursday where round-trip tickets can be as cheap as $356. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $529 on average.

  • What is the cheapest time of day to fly to District of Columbia?

    The cheapest time of day to fly to District of Columbia is generally in the morning, when round-trip flights cost $380 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to District of Columbia is generally at night, which is peak travel time and where the average cost of a ticket is $752.

  • What is the cheapest flight to District of Columbia?

    The cheapest ticket to District of Columbia from Colorado found in the last 5 days was to Baltimore, at $271 round-trip. The most popular route is Colorado Springs (COS) to Baltimore (BWI) and the cheapest round-trip airline ticket found on this route in the last 5 days was $271.

  • What is the cheapest month to fly from Colorado to District of Columbia?

    The cheapest month for flights from Colorado to District of Columbia is November, when tickets cost $201 (return) on average. On the other hand, the most expensive months are February and August, when the average cost of round-trip tickets is $445 and $381 respectively.

  • How far in advance should I book a flight from Colorado to District of Columbia?

    To get a below average price on the flight from Colorado to District of Columbia, you should book around 3 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

  • How many cities have direct flights to District of Columbia?

    From Colorado, there are direct flights to District of Columbia from 1 city. This city is Denver and there are 240 direct flights each week.

  • How many direct flights to District of Columbia are there each day?

    There are around 35 direct flights from within Colorado to District of Columbia every day. Most flights (59%) depart in the morning.

  • How many direct flights to District of Columbia are there each week?

    Each week there are around 240 direct flights from within Colorado to District of Columbia. The most common day for departures is Friday, with 16% of flights taking off on this day.

  • How long is the flight to District of Columbia?

    An average nonstop flight from Colorado to District of Columbia takes 5h 41m, covering a distance of 1581 miles. The shortest route is Denver (DEN) to Washington, D.C. Dulles Intl Airport (IAD) with an average flight time of 3h 15m.

  • How many long-haul flights are there to District of Columbia each week?

    There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to District of Columbia. Instead, there are 240 short-haul flights (up to 3 hour flight duration), with the most arriving from Denver.

  • What is the most popular destination in District of Columbia?

    Based on KAYAK flight searches, the most popular destination is Washington, D.C. (100% of total searches to District of Columbia).

Everything you need to know for your flight to District of Columbia

Cabin class types available on flights to Colorado

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