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$77+ Cheap flights from Baltimore to Louisville (BWI - 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDF
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find cheap flights from Baltimore 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

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Cheapflights Tip: The best prices from Baltimore/Washington to Louisville Intl are usually found in August or March, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Baltimore to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 19, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$185
(Kiwi.com)

One-way from

$77
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$331
Provider with most accurate pricing for Baltimore/Washington-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Louisville Intl flights.
Search Deals
From Baltimore/Washington to Louisville Intl
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One-way flight from Baltimore/Washington to Louisville Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Baltimore to Louisville

Cheapest flights from Baltimore to Louisville
Explore the most affordable flight options available from Baltimore to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/178:00 amBWI - SDF
2 stops30h 15mMultiple Airlines
Fri 1/91:55 pmSDF - BWI
1 stop9h 22mMultiple Airlines
Deal found 11/18$198
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/178:00 amBWI - SDF
2 stops30h 15mMultiple Airlines
Sun 1/114:39 pmSDF - BWI
1 stop19h 28mMultiple Airlines
Deal found 11/18$207
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/178:00 amBWI - SDF
2 stops30h 15mMultiple Airlines
Mon 1/121:55 pmSDF - BWI
1 stop8h 49mMultiple Airlines
Deal found 11/18$209
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/36:38 pmBWI - SDF
1 stop16h 22mMultiple Airlines
Thu 12/49:26 pmSDF - BWI
1 stop10h 16mMultiple Airlines
Deal found 11/18$232
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/36:38 pmBWI - SDF
1 stop16h 22mMultiple Airlines
Sun 12/72:55 pmSDF - BWI
2 stops33h 39mMultiple Airlines
Deal found 11/18$237
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/1711:16 amBWI - SDF
1 stop21h 27mMultiple Airlines
Tue 1/133:28 pmSDF - BWI
1 stop8h 03mMultiple Airlines
Deal found 11/18$240
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Wed 12/1711:16 amBWI - SDF
1 stop21h 27mMultiple Airlines
Thu 1/83:28 pmSDF - BWI
1 stop8h 16mMultiple Airlines
Deal found 11/18$241
This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:00 pmBWI - SDF
2 stops15h 00mSpirit Airlines
Mon 12/811:55 amSDF - BWI
2 stops12h 28mSpirit Airlines
Deal found 11/18$243
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Wed 12/107:06 pmBWI - SDF
1 stop15h 54mSpirit Airlines
Sun 12/1411:55 amSDF - BWI
1 stop21h 40mSpirit Airlines
Deal found 11/19$244
This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Thu 12/187:10 amBWI - SDF
1 stop16h 49mMultiple Airlines
Fri 1/91:55 pmSDF - BWI
1 stop9h 22mMultiple Airlines
Deal found 11/18$247

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 November 19, 2025.
Use the filters below to find and compare flights from Baltimore to Louisville that are best for you.

Fly from

Baltimore

Fly to

Louisville

Route

Depart

Return

Price

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 12/17

8:00 am-2:15 pm

2 stops30h 15m

Louisville Intl

Sun 1/11

4:39 pm-12:07 pm

1 stop19h 28m

$207

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 1/8

6:20 am-2:33 pm

1 stop8h 13m

Louisville Intl

Mon 1/12

1:55 pm-11:17 pm

1 stop9h 22m

$214

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 1/23

6:20 am-6:04 pm

1 stop11h 44m

Louisville Intl

Mon 1/26

6:54 pm-11:17 pm

3 stops28h 23m

$232

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 12/4

8:00 pm-11:00 am

2 stops15h 00m

Louisville Intl

Mon 12/8

11:21 am-12:23 am

2 stops13h 02m

$257

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 12/18

10:30 am-12:20 pm

Nonstop1h 50m

Louisville Intl

Sat 1/10

8:55 am-3:55 pm

1 stop7h 00m

$269

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 1/13

4:45 pm-11:55 pm

1 stop7h 10m

Louisville Intl

Wed 1/14

3:37 pm-8:28 pm

1 stop4h 51m

$279

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 12/10

9:00 pm-10:50 pm

Nonstop1h 50m

Louisville Intl

Sun 12/14

5:30 am-7:05 am

Nonstop1h 35m

$289

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 12/18

5:54 pm-10:14 pm

1 stop4h 20m

Louisville Intl

Mon 12/29

7:24 pm-11:43 pm

1 stop4h 19m

$294

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sun 12/21

6:00 am-1:12 pm

1 stop7h 12m

Louisville Intl

Sat 1/10

7:30 am-11:54 am

1 stop4h 24m

$294

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 1/15

8:45 am-2:42 pm

1 stop5h 57m

Louisville Intl

Sun 1/18

7:00 am-11:54 am

1 stop4h 54m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 21 results
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Compare providers for flights from Baltimore to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Louisville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Louisville flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Baltimore-Louisville flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Baltimore-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Louisville flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Baltimore 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 Baltimore to Louisville

How far ahead should I book a flight from Baltimore to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Louisville. Price data was last updated on November 14, 2025.

The best time to book flights from Baltimore to Louisville is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Baltimore to Louisville (average of $114). Flying from Baltimore to Louisville in January is currently the most expensive (average of $189). 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 BWI to SDF?

Find hourly flight availability from Baltimore 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 November 19, 2025.

When flying from Baltimore to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight at noon.

What is the cheapest day to fly from Baltimore to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Louisville. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Baltimore to Louisville flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated November 19, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Baltimore to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,025 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,046 reviews
Southwest
8.0
Very good
4,249 reviews

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • What airports do I use to fly from Baltimore to Louisville?

    If you book a flight from Baltimore to Louisville, you will be flying from Baltimore/Washington to Louisville Intl. Flights to Louisville Intl (SDF) from Baltimore/Washington (BWI) take 1h 45m for a nonstop flight. There is 1 flight from Baltimore/Washington to Louisville per day from 3 airlines.

  • How popular is this Baltimore to Louisville flight route?

    The Baltimore/Washington to Louisville Intl flight path was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Baltimore to Louisville?

    Departing from Baltimore to Louisville will take you 8h 13m. Baltimore and Louisville are separated by a distance of 493 mi.

  • What are the cheapest airlines flying from Baltimore to Louisville round-trip?

    Currently priced at $189, United Airlines will fly you from Baltimore to Louisville and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and American Airlines - these airlines can fly you to your destination from $196 and $231, respectively. Users have found that United Airlines is 39% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $114. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Baltimore to Louisville for a low price.

  • What are the cheapest flights from Baltimore to Louisville?

    The cheapest flight price from Baltimore to Louisville is $133. On average you can expect to pay $352. The most popular route, (Baltimore/Washington - Louisville Intl), can usually be booked for $214.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Louisville (average of $114). Flying from Baltimore to Louisville in January is currently the most expensive (average of $189). 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

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Alternative routes for Baltimore to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Baltimore to Louisville

Discover the top 3 airlines that operate flights from Baltimore 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$280FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$196Average$314FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$506FlexibilityNo cancel feeOn-time71%

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