Cheap Denver International to District of Columbia Flights from C$121

Flight deals from Denver to District of Columbia

Looking for cheap flights from Denver to District of Columbia, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Washington, D.C..C$230 per passenger.Departing Sat, Jun 28, returning Mon, Jun 30.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, Jun 28, arriving in Baltimore Washington International.Inbound direct flight with Frontier Airlines departing from Baltimore Washington International on Mon, Jun 30, arriving in Denver International.Price includes taxes and charges.From C$230, select.

Flying from Denver International to District of Columbia

Arm yourself with these facts on the fly.

Cheapest flight found	C$121, Washington, D.C.
Cheapest month to fly	August
Average flight time	3 hrs, 25 mins
Cheapest airport to fly from	Denver International
Most popular airline	Southwest Airlines

How to find cheap flights from Denver International to District of Columbia

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Denver International to District of Columbia. Other savvy travelers recently found round-trip flights from C$230 and one-way tickets from C$121. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Denver International into Washington, D.C.

At the moment, the lowest-priced flight tickets to District of Columbia are from Denver International Airport to Baltimore Washington International Airport.

Fly in August

We crunched the flight calendar and found the cheapest time to fly from Denver International to District of Columbia is currently August.

Fly on a Tuesday

From our data, we can see that Tuesday seems to be the cheapest time to fly from Denver International to District of Columbia.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Denver International to anywhere you choose in District of Columbia.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Denver International to District of Columbia go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Denver International to District of Columbia flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Denver International to District of Columbia flight price?

We looked at all of the upcoming round-trip flights from Denver International to District of Columbia we could find over the next 12 months. It looks like C$230 is the best price. This is good, compared to the average District of Columbia ticket price of C$542.

What is the cheapest month to fly from Denver International to District of Columbia?

The cheapest month to fly from Denver International to District of Columbia is currently June.

On which upcoming date is it cheapest to fly from Denver International to District of Columbia?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver International to District of Columbia on Saturday, June 28, 2025.

Are there any direct flights from Denver International to District of Columbia?

Denver International Airport offers direct flights to District of Columbia.

If I'm flying from Denver International, where in District of Columbia is cheapest to fly to?

If you're flying from Denver International, the cheapest city in District of Columbia to fly into is Washington, D.C.. The cheapest airport serving Washington, D.C. at the moment is Baltimore Washington International.