Southwest Airlines flights from Denver (DEN) to Washington (IAD)
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from Denver (DEN), US to Washington (IAD), US. Southwest Airlines operates 6-14 flights daily flights on this route.• Flight Duration: 3h 05m - 3h 35m (average flight time)• Distance: 1457 miles (2344 km) (air miles between airports)• Daily Flights: 6-14 flights (scheduled departures per day)
Denver (DEN)
US
Washington (IAD)
US
FLIGHT TIME
3h 05m - 3h 35m
FLIGHT DISTANCE
1457 miles (2344 km)
3h 10m - 3h 20m
07:45
18:10
1457 miles (2344 km)
February
1 (Show)
67
Terminal B (DEN)
Concourse B (IAD)
Southwest Airlines Flight Schedule from Denver (DEN) to Washington (IAD)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN1762 |  Southwest Airlines | 07:45 | 13:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN2474 | Southwest Airlines | 14:00 | 19:10:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN820 | Southwest Airlines | 18:10 | 23:25:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
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Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 05m - 3h 35m.
Pricing patterns: February typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 14:00, 18:00, offering more flight options and potentially better connections.
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Southwest Airlines Policy Highlights
Baggage Policy
Two free checked bags, additional charges apply for excess or overweight baggage.
For detailed baggage policies, visit Southwest Airlines airline page or Southwest Airlines official website.
Check-in Information
Online check-in available 24 hours before departure.
Southwest Airlines Terminal Information
Departure Terminal at Denver (DEN):
• Southwest Airlines flights from Denver (DEN) depart from Terminal Terminal B
• Terminal Terminal B: Southwest Airlines operates from this terminal
Arrival Terminal at Washington (IAD):
• Southwest Airlines flights to Washington (IAD) arrive at Terminal Concourse B
• Terminal Concourse B: Southwest Airlines operates from this terminal
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from Denver (DEN) to Washington (IAD)?
Southwest Airlines operates 3 flights from Denver (DEN) to Washington (IAD).
What city does Washington (IAD) airport serve?
Washington (IAD) airport serves Washington, US.
How long is the Southwest Airlines flight from Denver (DEN) to Washington (IAD)?
The flight duration is approximately 3h 05m - 3h 35m.
What is the distance from Denver (DEN) to Washington (IAD)?
The distance is 1457 miles (2344 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 07:45 and the latest departs at 18:10.
Which terminal does Southwest Airlines use at Denver (DEN)?
Southwest Airlines flights from Denver (DEN) depart from Terminal Terminal B.
Which terminal does Southwest Airlines use at Washington (IAD)?
Southwest Airlines flights to Washington (IAD) arrive at Terminal Concourse B.
What is the cheapest month to fly Southwest Airlines from Denver (DEN) to Washington (IAD)?
February is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from Denver (DEN) to Washington (IAD)?
The average price for a round-trip Southwest Airlines flight on this route is approximately $357. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 67 flights per week from Denver (DEN) to Washington (IAD).