Cheap flights from Washington Dulles Intl to Denver (IAD - DEN)

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How to find the cheapest flight from
Washington Dulles Intl (IAD) to Denver (DEN)

All the information you need to plan the best IAD to DEN flight in 2021: compare Washington Dulles Intl to Denver flight prices with the expected peak season, weather and rainfall in Denver.
IAD - DEN
Price
$177 - $349
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 31% potential price drop

Round-trip from

$177

From Washington Dulles Intl to Denver

One-way from

$162

One-way flight from Washington Dulles Intl to Denver

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Washington Dulles Intl to Denver?

Find a great deal and save up to 12% by booking at least 14 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington Dulles Intl to Denver within the next two weeks, with the cheapest ticket starting at $88.

What is the cheapest month to fly from Washington Dulles Intl to Denver?

August can be a great time to fly to Denver from Washington Dulles Intl with a flight ticket averaging about $98. Cheapflights users have found deals in the month of August for as cheap as $36. The most expensive prices can be found in the month of December.

Cheap flights from Washington Dulles Intl to Denver in June, July 2021

The best prices found for IAD to DEN flights for June, July
13 Jul - 15 Jul
$206pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
12 Jul - 22 Jul
$217pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
20 Jul - 27 Jul
$226pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Washington Dulles Intl to Denver 2021 flight deals

Cheap flights to Denver from Washington Dulles Intl found for this year
15 Sep - 22 Sep
$197pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
13 Oct - 19 Oct
$205pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
17 Sep - 19 Sep
$206pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Non-stop flights to Denver from Washington Dulles Intl

Save time with Washington Dulles Intl to Denver direct flight deals
15 Sep - 22 Sep
$197pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
14 Oct - 22 Oct
$217pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
12 Jul - 12 Aug
$237pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to Denver

Late deals on round-trip flights to Denver from Washington Dulles Intl, departing today and this week
26 Jun - 3 Jul
$257pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
26 Jun - 3 Jul
$266pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
26 Jun - 2 Jul
$287pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl

One-way flights to Denver from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to Denver
7:08 am - 7:00 pm
Frontier
2 Stops
13h 52m
IAD - DEN
Frontier
$162
Kiwi.com
2:10 pm - 3:58 pm
United Airlines
Nonstop
3h 48m
IAD - DEN
United Airlines
$169
United
6:53 am - 12:39 pm
American Airlines
2 Stops
7h 46m
IAD - DEN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington Dulles Intl</span> to <span class="emphasized">Denver</span> flights.

Flight FAQs

From Washington Dulles Intl to Denver

Are flight prices decreasing from Washington Dulles Intl to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Washington Dulles Intl to Denver Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Frontier, and American Airlines flying from Washington Dulles Intl to Denver Intl have implemented new flexible cancellation policies.

What airport do you fly into for flights to Denver from Washington Dulles Intl?

For a flight from Washington Dulles Intl to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 16 inbound flights from Washington Dulles Intl per day. 7 airlines have flights to Denver Intl from Washington Dulles Intl on a regular basis.

Can I find flights from Washington Dulles Intl to Denver for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Denver for under $200. The cheapest flight booked recently is on United Airlines for just $197, but on average you can expect to pay $222.

Are there nonstop flights from Washington Dulles Intl to Denver for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Denver under $200. A good price for a nonstop flight from Washington Dulles Intl to Denver is less than $304.

Are there last-minute flights available from Washington Dulles Intl to Denver for under $300?

There are currently 20+ open flights from Washington Dulles Intl to Denver within the next 7 days for less than $300.

Does it rain more in Washington Dulles Intl or Denver?

Washington Dulles Intl will have greater rainfall in 0 compared to Denver over the next 16 days.

Is Washington Dulles Intl weather warmer or cooler than Denver?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Denver are hotter than in Washington Dulles Intl.

How long is the flight from Washington Dulles Intl to Denver?

Airlines like United Airlines, Delta, and American Airlines fly from Washington Dulles Intl to Denver in about 3h 41m. The time it takes to get you to your destination can typically vary by up to 2h 21m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington Dulles Intl to Denver round-trip?

United Airlines, at $197, was found to be the cheapest airline from Washington Dulles Intl to Denver.Alternate airlines to your destination round-trip include American Airlines and Delta. United Airlines is priced at 23% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Washington Dulles Intl to Denver one-way?

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from American Airlines and Frontier, as they are both options that can get you from Washington Dulles Intl to Denver for a low price.

Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from Washington Dulles Intl to Denver.
Flight duration
3h 34m
Average temperature for June in Denver
82.4 °F
Avg rainfall for June in Denver
1.8 ″

Airports servicing Washington

Airports servicing Denver

Top 6 airlines flying from Washington Dulles Intl to Denver

The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$63 $176 No cancel fee 62%
Spirit Airlines
$87 $187 No cancel fee 65%
American Airlines
$85 $220 No cancel fee 71%
Delta
$107 $257 No cancel fee N/A
Southwest
$156 $262 No cancel fee 63%
United Airlines
$133 $340 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to Denver

See what time of day planes typically take off from Washington Dulles Intl towards Denver.
Morning 6 AM to noon 50% of IAD to DEN departures
Afternoon Noon to 6 PM 45% of IAD to DEN departures
Early morning Midnight to 6 AM 5% of IAD to DEN departures
Evening 6 PM to midnight 0% of IAD to DEN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to Denver
See how many times per day planes take to the skies headed from Washington Dulles Intl to Denver.
Sunday
18 daily flights
Monday
18 daily flights
Tuesday
11 daily flights
Wednesday
14 daily flights
Thursday
18 daily flights
Friday
18 daily flights
Saturday
17 daily flights
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