Direct (non-stop) flights from Louisville (SDF) to Washington (IAD)
Find comprehensive flight information, schedules, and booking details for direct flights from Louisville (SDF), US to Washington (IAD), US. This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 1h 31m - 1h 46m (average flight time)• Distance: 453 miles (729 km) (air miles between airports)• Daily Flights: 2 flights (scheduled departures per day)
Louisville (SDF)
US
Washington (IAD)
US
FLIGHT TIME
1h 31m - 1h 46m
FLIGHT DISTANCE
453 miles (729 km)
1h 36m - 1h 38m
09:55
14:35
453 miles (729 km)
March
1 (Show)
14
Flight Schedule
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Airlines with direct flights from Louisville (SDF) to Washington (IAD)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 31m - 1h 46m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 14:00, offering more flight options and potentially better connections.
Weather & Climate at Washington (IAD)
14.4°C
Avg Temperature88mm
Avg Rainfall10.3km/h
Avg Wind Speed66%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Washington (IAD)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Washington (IAD)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Travel Planning Tips for Louisville (SDF) to Washington (IAD)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Louisville (SDF) to Washington (IAD). Consider booking on this day for potential savings.
- Best Month to Travel
March is generally the cheapest month to fly from Louisville (SDF) to Washington (IAD). Plan your trip during this month for the best deals.
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Related Pages
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Frequently Asked Questions
How many flights operate from Louisville (SDF) to Washington (IAD)?
There are 2 direct flights operating from Louisville (SDF) to Washington (IAD). Approximately 2 flights daily.
Which airlines operate flights from Louisville (SDF) to Washington (IAD)?
1 airline operates on this route: United Airlines.
How long is the flight from Louisville (SDF) to Washington (IAD)?
The flight duration from Louisville (SDF) to Washington (IAD) is approximately 1h 31m - 1h 46m.
What is the distance from Louisville (SDF) to Washington (IAD)?
The distance from Louisville (SDF) to Washington (IAD) is 453 miles (729 km).
What is the flight time range for this route?
Flight times on this route range from 1h 36m - 1h 38m.
What are the earliest and latest flight departure times?
The earliest flight departs at 09:55 and the latest flight departs at 14:35.
What is the cheapest month to fly from Louisville (SDF) to Washington (IAD)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 14 flights operate per week from Louisville (SDF) to Washington (IAD).
What types of aircraft operate on this route?
This route is served by Embraer 175 (Enhanced Winglets).
What is the average flight price from Louisville (SDF) to Washington (IAD)?
The average flight price for a round-trip ticket from Louisville (SDF) to Washington (IAD) is approximately $290 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Louisville (SDF) to Washington (IAD) for the lowest prices?
March is typically the cheapest month to fly from Louisville (SDF) to Washington (IAD). Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is Washington (IAD) from Louisville (SDF)?
The distance from Louisville (SDF) to Washington (IAD) is 453 miles (729 km). This is a long-haul flight route.
How long does it take to fly from Louisville (SDF) to Washington (IAD)?
The flight time from Louisville (SDF) to Washington (IAD) is approximately 1h 31m - 1h 46m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Washington (IAD) serve?
Washington (IAD) serves Washington, US.