Direct (non-stop) flights from Washington (IAD) to Louisville (SDF)
Find comprehensive flight information, schedules, and booking details for direct flights from Washington (IAD), US to Louisville (SDF), US. This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 1h 39m - 1h 59m (average flight time)• Distance: 453 miles (729 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
Washington (IAD)
US
Louisville (SDF)
US
FLIGHT TIME
1h 39m - 1h 59m
FLIGHT DISTANCE
453 miles (729 km)
1h 55m - 1h 57m
12:50
17:30
453 miles (729 km)
March
1 (Show)
15
Main Terminal (Washington (IAD))
Terminal 2 (Louisville (SDF))
Flight Schedule
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Airlines Operating This Route
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 Louisville (SDF).
Route Insights
Route Demand
This route operates 15 flights per week, serving moderate demand between Washington (IAD) and Louisville (SDF).
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 453 miles (729 km), this is an ultra-long-haul route between Washington (IAD) and Louisville (SDF), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 1h 39m - 1h 59m, with actual times ranging from 1h 55m - 1h 57m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
United Airlines is the sole operator on this route, providing 2 daily flights between IAD and SDF.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Travel Planning Tips for Washington (IAD) to Louisville (SDF)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Washington (IAD) to Louisville (SDF). Consider booking on this day for potential savings.
- Best Month to Travel
March is generally the cheapest month to fly from Washington (IAD) to Louisville (SDF). Plan your trip during this month for the best deals.
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Related Pages
Related Airports
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Frequently Asked Questions
How many flights operate from Washington (IAD) to Louisville (SDF)?
There are 2 direct flights operating from Washington (IAD) to Louisville (SDF). Approximately 2-3 flights daily.
Which airlines operate flights from Washington (IAD) to Louisville (SDF)?
1 airline operates on this route: United Airlines.
How long is the flight from Washington (IAD) to Louisville (SDF)?
The flight duration from Washington (IAD) to Louisville (SDF) is approximately 1h 39m - 1h 59m.
What is the distance from Washington (IAD) to Louisville (SDF)?
The distance from Washington (IAD) to Louisville (SDF) is 453 miles (729 km).
What is the flight time range for this route?
Flight times on this route range from 1h 55m - 1h 57m.
What are the earliest and latest flight departure times?
The earliest flight departs at 12:50 and the latest flight departs at 17:30.
What is the cheapest month to fly from Washington (IAD) to Louisville (SDF)?
March is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 15 flights operate per week from Washington (IAD) to Louisville (SDF).
What types of aircraft operate on this route?
This route is served by Embraer 175 (Enhanced Winglets).
What is the average flight price from Washington (IAD) to Louisville (SDF)?
The average flight price for a round-trip ticket from Washington (IAD) to Louisville (SDF) is approximately $288 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Washington (IAD) to Louisville (SDF) for the lowest prices?
March is typically the cheapest month to fly from Washington (IAD) to Louisville (SDF). Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is Louisville (SDF) from Washington (IAD)?
The distance from Washington (IAD) to Louisville (SDF) is 453 miles (729 km). This is a long-haul flight route.
How long does it take to fly from Washington (IAD) to Louisville (SDF)?
The flight time from Washington (IAD) to Louisville (SDF) is approximately 1h 39m - 1h 59m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Louisville (SDF) serve?
Louisville (SDF) serves Louisville, US.