HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$68+ Cheap flights from Maryland to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Maryland to Louisville

Keep the following information in mind while searching for Maryland to Louisville flight deals. Data was last updated September 17, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$68
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$317

Good round-trip deal

$301 or less

Good one-way deal

$165 or less
From Maryland to Louisville Intl
Search Deals
One-way flight from Maryland to Louisville Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Maryland to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Maryland to Louisville Intl.
Search Deals

Find flight deals from Maryland to Louisville

Cheapest flights from Maryland to Louisville
Explore the most affordable flight options available from Maryland to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:45 amBWI - SDF
1 stop4h 20mAmerican Airlines
Tue 11/49:22 amSDF - BWI
1 stop4h 29mAmerican Airlines
Deal found 9/15$159
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:45 pmBWI - SDF
1 stop4h 16mDelta
Mon 10/278:15 pmSDF - BWI
1 stop4h 26mDelta
Deal found 9/15$177
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:33 amPHL - SDF
1 stop11h 03mSpirit Airlines
Fri 10/2411:47 amSDF - PHL
1 stop7h 02mSpirit Airlines
Deal found 9/17$183
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:20 pmBWI - SDF
1 stop6h 27mSpirit Airlines
Wed 10/295:31 pmSDF - BWI
1 stop6h 01mSpirit Airlines
Deal found 9/15$185
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:30 amPHL - SDF
1 stop11h 17mSpirit Airlines
Wed 10/295:31 pmSDF - PHL
1 stop6h 05mSpirit Airlines
Deal found 9/15$185
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:41 pmBWI - SDF
1 stop25h 06mSpirit Airlines
Fri 11/76:00 amSDF - BWI
1 stop13h 30mSpirit Airlines
Deal found 9/16$194
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:50 pmIAD - SDF
Nonstop1h 55mUnited Airlines
Mon 11/172:35 pmSDF - IAD
Nonstop1h 36mUnited Airlines
Deal found 9/15$194
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:10 amDCA - SDF
1 stop8h 35mSouthwest
Wed 11/121:05 pmSDF - DCA
1 stop7h 40mSouthwest
Deal found 9/16$197
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:05 amIAD - SDF
1 stop3h 45mDelta
Tue 10/215:58 pmSDF - IAD
1 stop5h 20mDelta
Deal found 9/15$197
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:54 amPHL - SDF
1 stop7h 09mSpirit Airlines
Mon 10/2011:47 amSDF - PHL
1 stop7h 02mSpirit Airlines
Deal found 9/17$198
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:45 pmDCA - SDF
1 stop7h 00mSouthwest
Wed 10/296:25 amSDF - DCA
1 stop3h 35mSouthwest
Deal found 9/15$198
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 pmIAD - SDF
Nonstop1h 48mUnited Airlines
Mon 10/69:55 amSDF - IAD
Nonstop1h 39mUnited Airlines
Deal found 9/17$199

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Maryland to Louisville that are best for you.

Fly from

Maryland

Fly to

Louisville

Route

Depart

Return

Price

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 11/6

7:45 pm-12:01 am

1 stop4h 16m

Louisville Intl

Wed 11/12

6:00 am-12:46 pm

1 stop6h 46m

$177

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 10/23

7:45 pm-12:01 am

1 stop4h 16m

Louisville Intl

Tue 10/28

10:30 am-4:54 pm

1 stop6h 24m

$177

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 10/14

7:05 am-11:49 am

1 stop4h 44m

Louisville Intl

Wed 10/15

8:17 am-12:45 pm

1 stop4h 28m

$177

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 10/24

7:45 pm-12:01 am

1 stop4h 16m

Louisville Intl

Mon 10/27

8:15 pm-12:41 am

1 stop4h 26m

$177

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 11/7

7:45 pm-12:01 am

1 stop4h 16m

Louisville Intl

Tue 11/11

7:05 am-11:11 am

1 stop4h 06m

$177

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 10/15

6:00 am-12:49 pm

1 stop6h 49m

Louisville Intl

Wed 10/22

12:54 pm-7:33 pm

1 stop6h 39m

$197

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 10/22

12:31 pm-7:11 pm

1 stop6h 40m

Louisville Intl

Tue 10/28

5:00 pm-10:51 pm

1 stop5h 51m

$197

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 10/15

6:05 am-9:50 am

1 stop3h 45m

Louisville Intl

Wed 10/22

10:41 am-4:57 pm

1 stop6h 16m

$197

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 11/11

7:01 am-12:07 pm

1 stop5h 06m

Louisville Intl

Wed 11/12

6:00 am-11:36 am

1 stop5h 36m

$197

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 11/11

8:15 am-5:10 pm

2 stops8h 55m

Louisville Intl

Wed 11/12

7:05 pm-10:55 pm

1 stop3h 50m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Maryland to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Maryland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Louisville

What is the cheapest month to book a flight from Maryland to Louisville?

Currently, January is the cheapest month in which you can book a flight from Maryland to Louisville (average of $299). Flying from Maryland to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MD to SDF?

Find hourly flight availability from Maryland to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Louisville as you normally would.

How much does it cost to fly round-trip from Maryland to Louisville?

Related info for your journey

Find useful and relevant information for your journey from Maryland to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Maryland?

    If you book a flight to Louisville from Maryland, you will be flying to Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • How popular is this Maryland to Louisville flight route?

    Flights from Maryland to Louisville Intl have been viewed 9 times in the past calendar month.

  • How long is the flight from Maryland to Louisville?

    Airlines like Delta, Southwest, and Spirit Airlines fly from Maryland to Louisville in about 4h 16m. The time it takes to get you to your destination can typically vary by up to 14h 14m. The distance from Maryland to Louisville is about 493 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Maryland to Louisville one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $99 and $99 on Delta and Southwest, respectively.

  • What are the most popular routes from Maryland to Louisville?

    Most travelers choose Washington, D.C. Dulles Intl - Louisville Intl, Washington, D.C. Reagan-National - Louisville Intl or Baltimore/Washington - Louisville Intl when deciding on the best route from Maryland to Louisville.

  • What are the cheapest flights from Maryland to Louisville?

    On average you can expect to pay $286 for a flight from Maryland to Louisville. The cheapest flight overall is $88 while the most popular route, (Washington, D.C. Dulles Intl - Louisville Intl) is currently priced at $189.

  • Can I find deals for flights from Maryland to Louisville that include hotel bookings?

    Yes. In addition to deals on Maryland to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Louisville.

  • Can I find deals for business class flights from Maryland to Louisville?

    Yes. Cheapflights offers flight deals from Maryland to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Maryland to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Maryland to Louisville (average of $299). Flying from Maryland to Louisville in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maryland to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
Newark to Nashville flights
LaGuardia to Nashville flights
Boston to Nashville flights
Seattle to Nashville flights
Los Angeles to Nashville flights
John F Kennedy Intl to Cincinnati flights
LaGuardia to Cincinnati flights
San Francisco to Nashville flights
Reagan-National to Nashville flights
Dallas/Fort Worth to Nashville flights
O'Hare Intl to Nashville flights
Boston to Cincinnati flights
Philadelphia to Nashville flights
Denver to Nashville flights
Raleigh to Nashville flights
Dulles Intl to Nashville flights
Newark to Cincinnati flights
Hobby to Nashville flights
Providence to Nashville flights
Ontario to Nashville flights
Minneapolis to Nashville flights
Baltimore to Nashville flights
Dallas/Fort Worth to Cincinnati flights
Fort Lauderdale to Nashville flights
George Bush Intcntl to Nashville flights
Portland to Nashville flights
Sky Harbor Intl to Nashville flights
LaGuardia to Louisville flights
Newark to Louisville flights
O'Hare Intl to Knoxville flights
Santa Ana to Nashville flights
LaGuardia to Knoxville flights
Detroit to Nashville flights
Hartford to Nashville flights
Dallas/Fort Worth to Louisville flights
Boston to Louisville flights
Denver to Cincinnati flights
Seattle to Cincinnati flights
Tampa to Nashville flights
Dallas/Fort Worth to Knoxville flights
O'Hare Intl to Cincinnati flights
Miami to Nashville flights
Cleveland to Nashville flights
John F Kennedy Intl to Louisville flights
Salt Lake City to Nashville flights
Orlando to Nashville flights
Burbank to Nashville flights
Reagan-National to Knoxville flights
John F Kennedy Intl to Knoxville flights

Top 4 airlines flying from Maryland to Louisville

Discover the top 4 airlines that operate flights from Maryland to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$186Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$191Average$269FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$196Average$312FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$500FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.