Direct (non-stop) flights from Washington (IAD) to Denver (DEN)
Find comprehensive flight information, schedules, and booking details for direct flights from Washington (IAD), US to Denver (DEN), US. This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 3h 40m - 4h 21m (average flight time)• Distance: 1457 miles (2344 km) (air miles between airports)• Daily Flights: 6-13 flights (scheduled departures per day)
Washington (IAD)
US
Denver (DEN)
US
FLIGHT TIME
3h 40m - 4h 21m
FLIGHT DISTANCE
1457 miles (2344 km)
3h 50m - 4h 11m
05:00
22:10
1457 miles (2344 km)
March
2 (Show)
70
Concourse B & Main Terminal (Washington (IAD))
Terminal B & Terminal A (Denver (DEN))
Flight Schedule
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Airlines Operating This Route
Southwest Airlines (WN), United Airlines (UA)
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from Washington (IAD) and flights to Denver (DEN).
Route Insights
Route Demand
This route sees high demand with 70 weekly flights, making it one of the busiest connections between Washington (IAD) and Denver (DEN).
Route Importance
Multiple airlines compete on this route (2 carriers), indicating its significance in connecting Washington (IAD) and Denver (DEN). This competition often leads to competitive pricing and multiple daily departure options.
Best Time to Fly
Best Value Period
March typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Mar being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 1457 miles (2344 km), this is an ultra-long-haul route between Washington (IAD) and Denver (DEN), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 3h 40m - 4h 21m, with actual times ranging from 3h 50m - 4h 11m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
Travelers have 2 airline options on this route: Southwest Airlines, United Airlines. Each airline offers different schedules, pricing, and service levels to meet various travel needs.
Flight Frequency
United Airlines operates the most flights on this route with 7 daily departures, followed by Southwest Airlines.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$437
Travel Planning Tips for Washington (IAD) to Denver (DEN)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Washington (IAD) to Denver (DEN). Consider booking on this day for potential savings.
- Best Month to Travel
February is generally the cheapest month to fly from Washington (IAD) to Denver (DEN). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Washington (IAD) to Denver (DEN) is approximately $437. Prices may vary based on booking time, season, and airline.
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Related Pages
Related Airports
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Frequently Asked Questions
How many flights operate from Washington (IAD) to Denver (DEN)?
There are 10 direct flights operating from Washington (IAD) to Denver (DEN). Approximately 6-13 flights daily.
Which airlines operate flights from Washington (IAD) to Denver (DEN)?
2 airlines operate on this route: Southwest Airlines, United Airlines.
How long is the flight from Washington (IAD) to Denver (DEN)?
The flight duration from Washington (IAD) to Denver (DEN) is approximately 3h 40m - 4h 21m.
What is the distance from Washington (IAD) to Denver (DEN)?
The distance from Washington (IAD) to Denver (DEN) is 1457 miles (2344 km).
What is the flight time range for this route?
Flight times on this route range from 3h 50m - 4h 11m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:00 and the latest flight departs at 22:10.
What is the cheapest month to fly from Washington (IAD) to Denver (DEN)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 70 flights operate per week from Washington (IAD) to Denver (DEN).
What types of aircraft operate on this route?
This route is served by Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 777, Boeing 737-900 Passenger, Airbus A321neo.
What is the average flight price from Washington (IAD) to Denver (DEN)?
The average flight price for a round-trip ticket from Washington (IAD) to Denver (DEN) is approximately $345 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Washington (IAD) to Denver (DEN) for the lowest prices?
March is typically the cheapest month to fly from Washington (IAD) to Denver (DEN). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Washington (IAD) to Denver (DEN)?
2 airlines offer direct flights from Washington (IAD) to Denver (DEN), providing travelers with multiple options for scheduling and pricing.
How far is Denver (DEN) from Washington (IAD)?
The distance from Washington (IAD) to Denver (DEN) is 1457 miles (2344 km). This is a long-haul flight route.
How long does it take to fly from Washington (IAD) to Denver (DEN)?
The flight time from Washington (IAD) to Denver (DEN) is approximately 3h 40m - 4h 21m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Denver (DEN) serve?
Denver (DEN) serves Denver, US.