£154 Cheap Flights from Washington (IAD) to Louisville (SDF)

View £154 flight on Wed, 17 Sep 2025Opens in a new window

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

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Cheap Flights from Washington (IAD) to Louisville (SDF)

Prices were available within the past 7 days and start at £154 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Washington (IAD) to Louisville (SDF)

August is typically the cheapest month to fly

From £108 - £343 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Louisville route information
Origin airport
Washington Dulles Intl.
Destination airport
Louisville Intl.
Distance
721 km
Average flight time
1 hour 49 mins

Compare flights from Washington to Louisville easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Louisville. Operating between them flights per day, 1 airlines cover the route. And fly direct, getting you to Louisville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Louisville Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Louisville Intl. (SDF)

The easiest way to view the best deals on flights from Washington to Louisville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Louisville Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Louisville
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Louisville flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Louisville Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Dulles Intl. Airport to Louisville Muhammad Ali Intl. Airport?
Round-trip tickets between Washington Dulles Intl. Airport (IAD) and SDF start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. 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 Louisville Intl. Airport (SDF)?
Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
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 Washington Dulles Intl. Airport (IAD) to Louisville Muhammad Ali Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Louisville Muhammad Ali Intl. Airport?
That movie you've been wanting to see will just have to wait — the flight distance between Dulles Intl. Airport (IAD) and Louisville Intl. Airport (SDF) (SDF) is only 730 kilometres. The captain will be instructing you to put your seat upright for touchdown before you know it.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Louisville Muhammad Ali Intl. Airport?
If you're looking to fly straight from Dulles Intl. Airport to Louisville Muhammad Ali Intl. Airport, United Airlines (UA) is an excellent choice. It operates 30 flights every month between Chantilly and Louisville.
Are Dulles Intl. Airport to Louisville Intl. Airport (SDF) flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from Dulles Intl. Airport to Louisville Intl. Airport (SDF), but it's also possible to miss out entirely! As many airlines release 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 air carrier prices and updates flight deals all the time, so you can be certain you're always seeing the latest offers.

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