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Cheap flights from Washington, D.C. to Denver from £67

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DEN
7 ene. — 14 ene.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. to Denver Intl are usually found in August or January, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Washington, D.C. to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Denver
Explore the most affordable flight options available from Washington, D.C. to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 diciembre 2025.

mié. 31/1211:20DCA - DEN
1 stop7h 32mJetBlue
dom. 4/122:40DEN - DCA
1 stop9h 55mJetBlue
Deal found 7/12£164
sáb. 20/1209:10DCA - DEN
1 stop9h 42mJetBlue
mar. 20/111:35DEN - DCA
1 stop9h 24mJetBlue
Deal found 6/12£199
lun. 15/1208:17IAD - DEN
Nonstop4h 03mUnited Airlines
mar. 6/107:45DEN - IAD
Nonstop3h 27mUnited Airlines
Deal found 5/12£219
sáb. 13/1216:15DCA - DEN
1 stop8h 44mJetBlue
lun. 5/122:40DEN - DCA
1 stop10h 29mJetBlue
Deal found 5/12£220
mar. 16/1206:00IAD - DEN
1 stop6h 18mDelta
mié. 7/114:42DEN - IAD
1 stop6h 55mDelta
Deal found 5/12£226
sáb. 13/1216:15DCA - DEN
1 stop6h 15mDelta
mié. 7/115:07DEN - DCA
1 stop5h 50mDelta
Deal found 5/12£226
sáb. 13/1215:38IAD - DEN
1 stop9h 15mDelta
vie. 9/114:42DEN - IAD
1 stop6h 55mDelta
Deal found 7/12£234
sáb. 13/1216:15DCA - DEN
1 stop8h 44mJetBlue
jue. 8/111:35DEN - DCA
1 stop9h 24mJetBlue
Deal found 5/12£234
dom. 14/1218:58DCA - DEN
1 stop6h 19mDelta
mar. 6/107:10DEN - DCA
1 stop7h 09mDelta
Deal found 5/12£241
lun. 15/1207:40IAD - DEN
Nonstop3h 50mSouthwest
mar. 6/110:35DEN - IAD
Nonstop3h 15mSouthwest
Deal found 5/12£249
mié. 24/1214:00DCA - DEN
1 stop9h 37mJetBlue
mar. 30/1222:40DEN - DCA
1 stop9h 55mJetBlue
Deal found 6/12£254
sáb. 13/1216:15DCA - DEN
1 stop8h 44mJetBlue
sáb. 20/1222:40DEN - DCA
1 stop9h 55mJetBlue
Deal found 6/12£255

Find flight deals from Washington, D.C. to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 diciembre 2025.

Round-trip from

£130

One-way from

£67

Popular in

December

Cheapest in

August

Average price

£268

Good one-way deal

£222 or less
Frontier
  • Frontier
  • 18/2-23/2
  • 1 total stop
  • 10h 40m total
  • Washington, D.C. to Denver
Search Deals
United Airlines
  • United Airlines
  • 3/3
  • Nonstop
  • 4h 21m total
  • Washington, D.C. to Denver
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 diciembre 2025.
Use the filters below to find and compare flights from Washington, D.C. to Denver that are best for you.

Fly from

Washington, D.C.

Fly to

Denver

Route

Depart

Return

Price

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

mar. 6/1

17:15-19:28

Nonstop4h 13m

Denver Intl

mar. 13/1

07:50-13:17

Nonstop3h 27m

£133

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

sáb. 7/2

22:32-00:30

Nonstop3h 58m

Denver Intl

mar. 10/2

09:50-15:12

Nonstop3h 22m

£133

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

jue. 15/1

22:32-00:30

Nonstop3h 58m

Denver Intl

mié. 21/1

09:50-15:12

Nonstop3h 22m

£148

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

mié. 25/2

19:42-21:47

Nonstop4h 05m

Denver Intl

jue. 26/2

07:45-13:05

Nonstop3h 20m

£148

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

mié. 18/2

09:05-11:15

Nonstop4h 10m

Denver Intl

lun. 23/2

17:25-22:40

Nonstop3h 15m

£163

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

sáb. 10/1

06:05-10:24

1 stop6h 19m

Denver Intl

sáb. 10/1

14:38-22:57

1 stop6h 19m

£163

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

mié. 7/1

06:05-10:24

1 stop6h 19m

Denver Intl

mié. 14/1

07:05-14:33

1 stop5h 28m

£163

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

jue. 26/2

06:00-11:03

1 stop7h 03m

Denver Intl

mar. 3/3

23:13-11:00

1 stop9h 47m

£164

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

sáb. 3/1

09:10-16:52

1 stop9h 42m

Denver Intl

sáb. 10/1

11:35-22:59

1 stop9h 24m

£164

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

jue. 15/1

07:00-12:45

1 stop7h 45m

Denver Intl

mar. 27/1

11:35-22:59

1 stop9h 24m

£164

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 44 results
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Best time to book a flight from Washington, D.C. to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Denver

How far ahead should I book a flight from Washington, D.C. to Denver?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Denver. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Denver, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Denver?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Denver (average of £66). Flying from Washington, D.C. to Denver in June is currently the most expensive (average of £130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to DEN?

Find hourly flight availability from Washington, D.C. to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 diciembre 2025.

It’s typically best to fly out from Washington, D.C. to Denver in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Washington, D.C. to Denver

Explore weekly flight availability from Washington, D.C. to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 diciembre 2025.

The most flights from WAS to DEN are scheduled on a Friday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (21 on average).

How often are flights from Washington, D.C. to Denver delayed?

About 14% of weekly flights between Washington, D.C. and Denver have experienced delays in the past year, with the average delay time being 160 minutes.

What is the most punctual flight time for Washington, D.C. to Denver flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Denver flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Washington, D.C.?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Washington, D.C.. Booking flights from Washington, D.C. to Denver Intl (DEN) should be relatively easy as there are 26 daily inbound flights from Washington, D.C. from 0 different airlines.

  • How long is the flight from Washington, D.C. to Denver?

    A quick flight from Washington, D.C. to Denver can take about 4h 05m. United Airlines provides one of the quickest options available for as low as £163. Airlines will cover a distance of 1448 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Washington, D.C. to Denver?

    Before booking your flight to Denver from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Avianca (88%), Ethiopian Air (85%), United Airlines( 85%).

  • Can I find deals for flights from Washington, D.C. to Denver that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Denver.

  • Can I find deals for business class flights from Washington, D.C. to Denver?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Denver?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Denver (average of £66). Flying from Washington, D.C. to Denver in June is currently the most expensive (average of £130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Winter Park
Frisco

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Denver?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from Washington, D.C..

Can Cheapflights find flights from Washington, D.C. to Denver with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C. to Denver, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Denver become cheaper?

Yes, Cheapflights offers price alerts on Washington, D.C. to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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