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

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The best prices from Washington Dulles Intl to Denver are usually found in September or October, booked 21 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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

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

$70

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.
What is the cheapest day to fly round-trip from Washington Dulles Intl to Denver?

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

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.

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

One of the essential ways to save on airfare from Washington Dulles Intl to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.

Cheap flights from Washington Dulles Intl to Denver in February, March 2021

11 Mar - 14 Mar
$97pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
12 Mar - 14 Mar
$106pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
28 Mar - 29 Mar
$109pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to Denver 2021 flight deals

6 May - 11 May
$93pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl
11 Mar - 16 Mar
$97pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
21 Apr - 27 Apr
$99pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to Denver from Washington Dulles Intl

11 Mar - 16 Mar
$97pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
11 May - 28 May
$147pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
10 Mar - 14 Mar
$177pp
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

6 Mar - 13 Mar
$97pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
6 Mar - 13 Mar
$106pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
United Airlines
Non-Stop
IAD
Washington Dulles Intl
7 Mar - 11 Mar
$112pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Denver from Washington Dulles Intl

11:45 am - 6:05 pm
Major Airline
1 Stop
8h 20m
IAD - DEN
Major Airline
$70
StudentUniverse
3:00 am - 11:38 am
American Airlines
2 Stops
10h 38m
IAD - DEN
American Airlines
4:26 am - 12:09 pm
Frontier
2 Stops
33h 43m
IAD - DEN
Frontier
$93
Gotogate

Related info for your journey

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.

What safety measures are being taken by airlines flying from Washington Dulles Intl to Denver Intl to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Washington Dulles Intl to Denver Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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.

Can I find flights from Washington Dulles Intl to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to Denver for under $100. The cheapest flight booked recently is on Multiple Airlines for just $93, but on average you can expect to pay $117.

Are there nonstop flights from Washington Dulles Intl to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington Dulles Intl to Denver under $100. A good price for a nonstop flight from Washington Dulles Intl to Denver is less than $228.

Are there last-minute flights available from Washington Dulles Intl to Denver for under $100?

There are currently 20+ open flights from Washington Dulles Intl to Denver within the next 7 days for less than $100.

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

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

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

Per day, 11 flights depart from Washington Dulles Intl to Denver Intl on average.
Morning (6am - Noon) - 55% of flight departures
Afternoon (Noon - 6pm) - 45% of flight departures

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 12 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, American Airlines, and Frontier fly from Washington Dulles Intl to Denver in about 3h 55m. The time it takes to get you to your destination can typically vary by up to 10h 05m. The distance between Washington Dulles Intl and Denver is about 1457 mi. 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 $97, was found to be the cheapest airline from Washington Dulles Intl to Denver.Alternate airlines to your destination round-trip include Frontier and American Airlines. United Airlines is priced at 62% 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 $49. However, be on the lookout for offers from Frontier and Major Airline, as they are both options that can get you from Washington Dulles Intl to Denver for a low price.

Destination information for Denver

Flight duration
3h 41m
Average temperature for February in Denver
46.4 °F
Avg rainfall for February in Denver
0.5 ″

Airports servicing Washington

Airports servicing Denver

Top 6 airlines flying from Washington Dulles Intl to Denver

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

Afternoon Noon to 6 PM 56% of IAD to DEN departures
Morning 6 AM to noon 43% of IAD to DEN departures
Early morning Midnight to 6 AM 1% 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
Sunday
17 daily flights
Monday
15 daily flights
Tuesday
13 daily flights
Wednesday
13 daily flights
Thursday
10 daily flights
Friday
14 daily flights
Saturday
13 daily flights
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