Cheap flights from Washington D.C. to Denver

Compare Washington D.C. to Denver flight deals

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Flight deals from Washington D.C. to Denver

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Denver? Find the lowest prices on one-way and return tickets right here.

Denver.P5,110 per passenger.Departing Wed, 2 Apr, returning Mon, 7 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Wed, 2 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 7 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From P5,110, select.

Denver.P5,390 per passenger.Departing Tue, 29 Apr, returning Thu, 1 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Tue, 29 Apr, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 1 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From P5,390, select.

Denver.P6,388 per passenger.Departing Wed, 7 May, returning Mon, 12 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 7 May, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 12 May, arriving in Washington Dulles.Price includes taxes and charges.From P6,388, select.

Denver.P6,969 per passenger.Departing Sat, 3 May, returning Sun, 4 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Sat, 3 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sun, 4 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From P6,969, select.

Denver.P7,303 per passenger.Departing Wed, 26 Mar, returning Wed, 2 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Wed, 26 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Wed, 2 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From P7,303, select.

Denver.P7,609 per passenger.Departing Tue, 25 Mar, returning Mon, 31 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Ronald Reagan on Tue, 25 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 31 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From P7,609, select.

Denver.P9,139 per passenger.Departing Sat, 14 Jun, returning Sat, 28 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Sat, 14 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 28 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From P9,139, select.

Denver.P9,176 per passenger.Departing Sat, 19 Jul, returning Sat, 26 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Sat, 19 Jul, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 26 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From P9,176, select.

Find the cheapest month to fly from Washington D.C. to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Denver flights are currently cheapest in April.

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Direct flights from Washington D.C. to Denver

Alternative Washington D.C. to Denver routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to Denver? You could fly into the following airports instead.

Washington D.C. to Denver: Flight information

The things to know before you go.

Cheapest flight found	P5,110
Cheapest month to fly	April
Average flight time	4 hrs, 4 mins
Most popular airline	Southwest Airlines
Average flights per week	1,024

Finding cheap flights from Washington D.C. to Denver: Frequently asked questions

How many airports are there in Denver?

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.

How much are return flights from Washington D.C. to Denver?

The best price we found for a return flight from Washington D.C. to Denver is P5,110. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Washington D.C. to Denver?

4 hours and 3 minutes is the average flight time from Washington D.C. to Denver.

Which airlines fly direct from Washington D.C. to Denver?

Southwest Airlines, United and Copa fly direct from Washington D.C. to Denver.

How many flights are there a week from Washington D.C. to Denver?

As of February 2025, there are 256 flights per week flying from Washington D.C. to Denver.

When is the cheapest time to fly from Washington D.C. to Denver?

The cheapest month to fly from Washington D.C. to Denver is usually February 2025.

Which is the cheapest airport to fly into in Denver?

If you're flying from Washington D.C., the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from P5,110.

Which upcoming date is cheapest to fly from Washington D.C. to Denver on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Denver on Wednesday, 2 April 2025.

Can I get a direct flight from Washington D.C. to Denver?

Yes – the average flight time is 4 hours and 3 minutes.

How can I get the best flight deal from Washington D.C. to Denver?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Denver?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Denver?

In February, the average temperature is usually around 0°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.

Which is the cheapest airline to fly from Washington D.C. to Denver with?

The cheapest airline that flies to Denver is Frontier Airlines .

Travelling from Washington DC to Denver: what you need to know

Start your travels at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Check out your options for booking a flight from Washington DC to Denver jetting off from either of these.
When it comes to where you'll land, Denver's primary entry point is Denver International Airport (DEN).
The average time for a direct flight from Washington DC to Denver is 3 hours 58 minutes. Denver's timezone is UTC-6, making Denver 2 hours behind Washington DC.
The busiest route for flights from Washington DC to Denver is from Ronald Reagan National Airport (DCA) to Denver International Airport (DEN). You can choose from 57 services every week between these two airports. If you want to get going as soon as possible, the earliest flight from DCA to DEN is the 07:00 Frontier Airlines service. If you prefer travelling later, the final departure is at 18:59 with Frontier Airlines.
To ensure you catch your flight from Washington DC to Denver, allow plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the general rule.
Longer lines at check-in and security are more likely if you're heading away during high season, so allow even more breathing space. A good rule of thumb for peak periods? Arrive up to four hours ahead for international flights and two hours for domestic departures.
Once you've found cheap flights from Washington DC to Denver, get your documents ready. A passport or visa isn't needed since you're travelling within United States. As long as you have another valid proof of identity, like a driver's licence or an ID card, you're good to go.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

Set out from Ronald Reagan National Airport (DCA) on a nonstop flight from Washington DC to Denver. From DCA, you can land directly at Denver International Airport (DEN).
When departing from DCA, you can take a direct flight from Washington DC to Denver with Frontier Airlines.
A stopover is the ideal opportunity to break up your trip — and perhaps even visit a new city. When searching for flights from Washington DC to Denver departing from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:
- Kansas City International Airport (MCI)
- Pittsburgh International Airport (PIT)
- John Glenn Columbus International Airport (CMH)
Travelling from central Washington DC to DCA takes about 43 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 8 kilometres in 16 minutes or so, depending on traffic.
Planning to catch an early flight from Washington DC to Denver? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels close to Ronald Reagan National Airport:

Washington Dulles International Airport (IAD)

You can take a direct flight from Washington DC to Denver leaving from Washington Dulles International Airport (IAD). Begin your travels at IAD and in no time you'll be at Denver International Airport (DEN).
From IAD, direct flights from Washington DC to Denver are offered by United Airlines.
Maximise your holiday with a stopover on your flight from Washington DC to Denver. Visit family or friends or cross another city off your list. Whatever your plans, here's where you can stop between Ronald Reagan National Airport and Denver:
- Kansas City International Airport (MCI)
- Pittsburgh International Airport (PIT)
- John Glenn Columbus International Airport (CMH)
Using public transport, you can travel from central Washington DC to IAD in about 3 hours and 26 minutes. The terminal is roughly 56 kilometres away, and making the journey by car will take approximately 51 minutes.
Want to treat yourself to an extra night away before boarding your flight from Washington DC to Denver? Kick back in a hotel near Washington Dulles International Airport before your break officially starts. Consider one of these stays:

Arriving in Denver

Denver International Airport (DEN)

Denver International Airport (DEN) is around 40 kilometres from central Denver. With a cab or in your own car rental, the drive is about 34 minutes.
If you're travelling by public transport, expect a journey of roughly 1 hour and 31 minutes.
Get off your flight from Washington DC to Denver and jump into your hotel bed soon after. If you're searching for a comfortable option a short drive from DEN, stay at SpringHill Suites Denver Airport.

How to find the cheapest flights from Washington DC to Denver

Right now, P2,477 is the best price we've seen for a one-way ticket from Washington DC to Denver. The cheapest price for a return flight is P5,110. Keep in mind fares may change due to demand at the time of booking.
To snag cheap tickets from Washington DC to Denver, book your trip 10 months before the departure date.
June is the cheapest month for tickets from Washington DC to Denver. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.
Log into your online account or use the app to create a Price Alert. We'll get in touch right away if there's a cheaper deal on this route. It's simple to do, and it'll save you the hassle of searching for cheap tickets from Washington DC to Denver every day.
Use filters to tailor your flights from Washington DC to Denver. Simply enter your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Best time to go to Denver

April is the quietest month for flights from Washington DC to Denver, while July is the busiest. Work out the best time to visit Denver based on whether you like a laid-back vibe or a lively atmosphere.
The warmest month in Denver is July, with the temperature ranging between 14ºC and 32ºC. Book your flights from Washington DC to Denver in this month if this is the type of weather you like.
January has average temperatures of between -9ºC and 7ºC. Search for cheap tickets from Washington DC to Denver around that time if you like travelling in cooler conditions.

More about Denver

Start your Denver trip right by choosing the ideal place to stay. As soon as you've booked your flight from Washington DC to Denver, explore our selection of hotels including:
There are so many things to see and do in this city it can be hard to know where to begin. Denver Art Museum, Union Station and Denver Botanic Gardens are leading attractions which should feature on any well-planned Denver itinerary.

Complete your Denver trip with a car rental

We use the same magic that helped you find your cheap flight from Washington DC to Denver to track down deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus we give you all the info you need to drive in Denver, from the most popular car rental to the best time to book.

More travel options

Car hire in United States Denver car hire

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Hotels deals in Denver

Plan the rest of your trip from Washington D.C. to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.