Denver (DEN) → Washington (IAD)
About Denver to Washington Flights
Discover the best flights from Denver to Washington, covering 2,332 km in approximately 3h 25m. Denver (DEN) to Washington (IAD) is one of the popular medium-haul routes within United States. With 4 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Denver to Washington.
12-Month Price History
Flight prices from Denver to Washington vary significantly throughout the year. February typically offers the best deals with average prices around $319, while July sees the highest prices, averaging $537. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
89 days
For best prices
Booking Tips
For the best prices on Denver to Washington flights, we recommend booking 77 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Frontier Airlines F9 | $410 | - | - |
Southwest Airlines WN | $500 | - | - |
United Airlines UA | $720 | $2500 | $4130 |
SkyWest Airlines OO | $800 | $2890 | $3940 |
Frontier Airlines
F9
Economy
$410
Business
-
First
-
Southwest Airlines
WN
Economy
$500
Business
-
First
-
United Airlines
UA
Economy
$720
Business
$2500
First
$4130
SkyWest Airlines
OO
Economy
$800
Business
$2890
First
$3940
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Denver → Washington
Denver International (DEN) to Ronald Reagan Washington National (DCA)
Distance: 2,369 km
Average price: $455
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Frequently Asked Questions
How long is the flight from Denver to Washington?
The flight time from Denver (DEN) to Washington (IAD) is approximately 3 hours and 25 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Denver and Washington?
The aerial distance between Denver and Washington is 2,332 kilometers (1,449 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Denver to Washington?
Several airlines operate flights between Denver and Washington, including United Airlines, Southwest Airlines, Frontier Airlines and 1 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Denver to Washington?
Based on historical data, February typically offers the lowest airfares for flights from Denver to Washington. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Washington?
For the best prices on Denver to Washington flights, we recommend booking 46 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from Denver to Washington?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between Denver and Washington?
Denver operates on America/Denver time zone, while Washington is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.