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

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The best prices from Denver to Washington Dulles Intl are usually found in May or September, booked 24 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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

DEN - IAD
Price
$169 - $313
IAD
Temperature
46.4 - 87.8 °F
IAD
Rainfall
2.5 - 4.4 inches
Popular in November High demand for flights, 22% potential price rise
Cheapest in May Best time to find cheap flights, 31% potential price drop
Round-trip from $169 From Denver to Washington Dulles Intl
One-way from $113 One-way flight from Denver to Washington Dulles Intl
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Denver to Washington Dulles Intl?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington Dulles Intl. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Denver to Washington Dulles Intl?

Users have found that booking a flight from Denver to Washington Dulles Intl at least 28 days early can save you up to 11% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Denver to Washington Dulles Intl for as little as $252 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $276 for flights departing within the next 3 days.

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

Flights from Denver to Washington Dulles Intl lean towards being more expensive in December. Prices are generally better when you fly from Denver to Washington Dulles Intl in February, with the cheapest ticket starting at $119.

When is the cheapest time to fly from Denver to Washington Dulles Intl (DEN - IAD)?

When flying from Denver to Washington Dulles Intl, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the morning.

Cheap flights from Denver to Washington Dulles Intl in August, September 2020

The best prices found for DEN to IAD flights for August, September
14 Aug - 21 Aug
$157pp
DEN
Denver Intl
Major Airline
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Major Airline
 
1 STOP
DEN
Denver Intl
19 Aug - 25 Aug
$170pp
DEN
Denver Intl
Major Airline
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Major Airline
 
1 STOP
DEN
Denver Intl
15 Aug - 17 Aug
$188pp
DEN
Denver Intl
Multiple Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
DEN
Denver Intl

Denver to Washington Dulles Intl 2020 flight deals

Cheap flights to Washington Dulles Intl from Denver found for this year
4 Dec - 7 Dec
$149pp
DEN
Denver Intl
Major Airline
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Major Airline
 
1 STOP
DEN
Denver Intl
14 Aug - 21 Aug
$157pp
DEN
Denver Intl
Major Airline
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Major Airline
 
1 STOP
DEN
Denver Intl
19 Aug - 25 Aug
$170pp
DEN
Denver Intl
Major Airline
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Major Airline
 
1 STOP
DEN
Denver Intl

Non-stop flights to Washington Dulles Intl from Denver

Save time with Denver to Washington Dulles Intl direct flight deals
3 Sep - 7 Sep
$217pp
DEN
Denver Intl
Allegiant Air
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Allegiant Air
Non-Stop
DEN
Denver Intl
15 Aug - 16 Aug
$227pp
DEN
Denver Intl
Cape Air
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Cape Air
Non-Stop
DEN
Denver Intl
9 Aug - 14 Aug
$237pp
DEN
Denver Intl
Cape Air
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Cape Air
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from Denver, departing today and this week
27 Jul - 30 Jul
$305pp
DEN
Denver Intl
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
27 Jul - 3 Aug
$311pp
DEN
Denver Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
DEN
Denver Intl
28 Jul - 1 Aug
$321pp
DEN
Denver Intl
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
DEN
Denver Intl

One-way flights to Washington Dulles Intl from Denver

The cheapest one-way flights from Denver to Washington Dulles Intl
2:25 am - 3:55 pm
Cape Air
2 Stops
11h 30m
DEN - IAD
Cape Air
$113
Ovago
6:25 am - 7:40 pm
Spirit Airlines
2 Stops
11h 15m
DEN - IAD
Spirit Airlines
$234
Ovago
10:31 am - 6:14 pm
Sun Country Air
1 Stop
5h 43m
DEN - IAD
Sun Country Air
$273
Ovago

Related info for your journey

Useful info, stats and facts about Denver to Washington Dulles Intl flights.

Flight FAQs

From Denver to Washington Dulles Intl

Are flight prices decreasing from Denver to Washington Dulles Intl 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 Denver and Washington Dulles Intl 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.

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

Yes, there are multiple flights from Denver to Washington Dulles Intl for under $200. The cheapest flight booked recently is on Major Airline for just $157, but on average you can expect to pay $222.

Are there nonstop flights from Denver to Washington Dulles Intl for under $300 on Cheapflights?

Cheapflights has at least 4 direct flights from Denver to Washington Dulles Intl under $300. A good price for a nonstop flight from Denver to Washington Dulles Intl is less than $262.

Are there last-minute flights available from Denver to Washington Dulles Intl for under $400?

There are currently 20+ open flights from Denver to Washington Dulles Intl within the next 7 days for less than $400.

What days are nonstop flights available from Denver to Washington Dulles Intl?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Wednesday, Friday, Saturday.

How many flights depart from Denver to Washington Dulles Intl on average per day?

Per day, 13 flights depart from Denver Intl to Washington Dulles Intl on average.
Morning (6am - Noon) - 92% of flight departures
Afternoon (Noon - 6pm) - 8% of flight departures

Does it rain more in Denver or Washington Dulles Intl?

In Denver, there will be less rainfall in Denver compared to Washington Dulles Intl over the next 13 days.

Is Denver weather warmer or cooler than Washington Dulles Intl?

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 Washington Dulles Intl are colder than in Denver.

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

For as low as $237, Cape Air can have you in Washington Dulles Intl from Denver in 3h 18m. There are 1457 mi between Denver and Washington Dulles Intl. Most flights are nonstop.

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

Our cheapest airline available from Denver to Washington Dulles Intl is Major Airline. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are Allegiant Air and Spirit Airlines, starting at $217 and $221 round-trip. Major Airline is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $109. Users have also found prices from $113 and $123 on Sun Country Air and Cape Air, respectively.

Alternative routes for Denver to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Denver to Washington Dulles Intl
Flight duration
3h 33m
Average temperature for August in Washington Dulles Intl
87.8 °F
Avg rainfall for August in Washington Dulles Intl
3.4 ″

Airports servicing Denver

Airports servicing Washington

Hourly flight availability from Denver to Washington Dulles Intl

Morning 6 AM to noon 68% of DEN to IAD departures
Afternoon Noon to 6 PM 31% of DEN to IAD departures
Early morning Midnight to 6 AM 1% of DEN to IAD departures
Evening 6 PM to midnight 0% of DEN to IAD departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to Washington Dulles Intl
Sunday
8 daily flights
Monday
9 daily flights
Tuesday
9 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
13 daily flights
Saturday
12 daily flights