Find flights
Deals
When to book
Airlines
FAQs

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DEN
26 Feb — 5 Mar1
1 adult

Cheap 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 21 February 2025.

Round-trip from

£88

One-way from

£67

Popular in

December

Cheapest in

September

Average price

£205

Good round-trip deal

£276 or less

Good one-way deal

£75 or less
Frontier
  • Frontier
  • 8/4-15/4
  • 2 total stops
  • 22h 40m total
  • Washington, D.C. to Denver
Frontier
  • Frontier
  • 1/3
  • Nonstop
  • 4h 12m total
  • Washington, D.C. to Denver
Highest demand for flights based on searches. 2% potential increase in price (£4 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Denver Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Denver Intl.

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

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 21 February 2025.

Tue 8/416:32IAD - DEN
1 stop10h 08mFrontier
Tue 15/423:57DEN - IAD
1 stop12h 32mFrontier
Deal found 21/2£88
Tue 18/317:15DCA - DEN
1 stop7h 49mJetBlue
Tue 25/323:59DEN - DCA
1 stop6h 51mJetBlue
Deal found 20/2£172
Tue 8/408:30IAD - DEN
Nonstop3h 58mUnited Airlines
Wed 23/423:59DEN - IAD
Nonstop3h 23mUnited Airlines
Deal found 20/2£173
Tue 8/406:00IAD - DEN
1 stop5h 32mDelta
Tue 15/400:55DEN - IAD
1 stop6h 12mDelta
Deal found 21/2£188
Tue 8/414:55DCA - DEN
1 stop7h 07mDelta
Tue 15/406:10DEN - DCA
1 stop5h 25mDelta
Deal found 21/2£188
Thu 17/412:37IAD - DEN
1 stop25h 03mSun Country Air
Sun 20/408:00DEN - IAD
1 stop24h 43mSun Country Air
Deal found 19/2£202
Tue 22/418:40IAD - DEN
Nonstop4h 05mSouthwest
Sat 26/417:50DEN - IAD
Nonstop3h 25mSouthwest
Deal found 20/2£208
Sat 15/308:30DCA - DEN
1 stop6h 15mUnited Airlines
Wed 19/309:40DEN - DCA
Nonstop3h 19mUnited Airlines
Deal found 20/2£217
Tue 25/314:00DCA - DEN
1 stop8h 25mSouthwest
Tue 1/413:55DEN - DCA
2 stops7h 50mSouthwest
Deal found 19/2£234
Tue 8/407:00IAD - DEN
2 stops18h 58mAlaska Airlines
Tue 15/407:00DEN - IAD
1 stop20h 34mAlaska Airlines
Deal found 21/2£315

Find flights from Washington, D.C. to Denver within your budget

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 21 February 2025.

Fly from

Washington, D.C.

Fly to

Denver

Route

Depart

Return

Price

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 8/4

16:32-00:40

1 stop10h 08m

Denver Intl

Tue 15/4

23:57-14:29

1 stop12h 32m

£88

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 18/3

17:15-23:04

1 stop7h 49m

Denver Intl

Tue 25/3

23:59-08:50

1 stop6h 51m

£172

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 8/4

08:30-10:28

Nonstop3h 58m

Denver Intl

Wed 23/4

23:59-05:22

Nonstop3h 23m

£173

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 8/4

06:00-09:32

1 stop5h 32m

Denver Intl

Tue 15/4

00:55-09:07

1 stop6h 12m

£188

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 8/4

14:55-20:02

1 stop7h 07m

Denver Intl

Tue 15/4

06:10-13:35

1 stop5h 25m

£188

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 17/4

12:37-11:40

1 stop25h 03m

Denver Intl

Sun 20/4

08:00-10:43

1 stop24h 43m

£202

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 2/4

18:45-20:50

Nonstop4h 05m

Denver Intl

Tue 8/4

07:00-16:45

1 stop7h 45m

£212

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 15/3

08:30-12:45

1 stop6h 15m

Denver Intl

Wed 19/3

09:40-14:59

Nonstop3h 19m

£217

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 25/3

14:00-20:25

1 stop8h 25m

Denver Intl

Tue 1/4

13:55-23:45

2 stops7h 50m

£234

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 8/4

07:00-23:58

2 stops18h 58m

Denver Intl

Tue 15/4

07:00-05:34

1 stop20h 34m

£315

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 26 results
1
2
3

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.

Travel insights for flights from Washington, D.C. to Denver

Get recent, data-driven insights about flights from Washington, D.C. to Denver including ideal travel times, pricing trends, and more.

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 14 February 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 37 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Denver (average of £667). Flying from Washington, D.C. to Denver in July is currently the most expensive (average of £1,030). 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 21 February 2025.

It’s typically best to fly out from Washington, D.C. to Denver at midday. Doing so could potentially save you 17% 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 21 February 2025.

The most flights from WAS to DEN are scheduled on a Thursday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 21 February 2025.
To help decide which airline to fly from Washington, D.C. to Denver, see what other customers have to say about Southwest, Alaska Airlines and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

8.0
Very Good

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 21 daily inbound flights from Washington, D.C. from 0 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to Denver round-trip?

    Our cheapest airline available from Washington, D.C. to Denver is Frontier. Our recent data shows that you can find tickets from as low as £88 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at £172 and £173 round-trip. Users have found that Frontier is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Denver one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as £67. Users have also found prices from £86 and £86 on United Airlines and JetBlue, respectively.

  • 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: Ethiopian Air (84%), Southwest (78%), United Airlines( 78%).

  • What are the cheapest flights from Washington, D.C. to Denver?

    On average you can expect to pay £297 for a flight from Washington, D.C. to Denver. The cheapest flight overall is £297 while the most popular route, (Washington, D.C. Reagan-National - Denver Intl) is currently priced at £229.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Denver (average of £667). Flying from Washington, D.C. to Denver in July is currently the most expensive (average of £1,030). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Winter Park
Frisco

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington, D.C. to Denver?

When you search for this flight from Washington, D.C. to Denver, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.