￥38,920 Cheap Flights from Washington (IAD) to Louisville (SDF)

View ￥38,920 flight on Fri, May 1, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Louisville Intl. Airport (SDF)

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Cheap Flights from Washington to Louisville (IAD-SDF)

Prices were available within the past 7 days and start at ￥38,920 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from IAD to Louisville Intl. Airport (SDF)?
If you're traveling between IAD and Louisville Intl. Airport (SDF), round-trip journeys start from . This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to SDF?
This differs from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Louisville Muhammad Ali Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Louisville Intl. Airport (SDF) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Washington Dulles Intl. Airport (IAD) to Louisville Intl. Airport (SDF)?
The flight time from Washington Dulles Intl. Airport (IAD) to Louisville Intl. Airport (SDF) takes only 4 hours and 18 minutes, so don't get too comfy. There's a good chance the next time you glance out the window you'll be arriving in Louisville.
How far is the flight from Dulles Intl. Airport to Louisville Intl. Airport (SDF)?
The distance from Washington Dulles Intl. Airport (IAD) (IAD) to SDF (SDF) is 730 kilometers. You'll be disembarking the plane and picking up your bags from the carousel in no time at all.
Which airlines fly direct from IAD to Louisville Intl. Airport (SDF)?
If you'd like to fly straight from Dulles Intl. Airport to SDF, United Airlines (UA) is a popular choice. It operates 78 flights each month between Chantilly and Louisville.
Are Dulles Intl. Airport to SDF flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a fantastic last-minute deal from IAD to SDF, but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can feel confident knowing you're always seeing the latest offers.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Louisville Intl.
Distance
721 km
Average flight time
1 hour 57 mins
*Available to Expedia members.