HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$69+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDF
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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

Cheapflights Tip: The best prices from Baltimore/Washington to Louisville Intl are usually found in June or March, booked 53 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 junio 12, 2025.

Round-trip from

$157
(Southwest)

One-way from

$69
(Southwest)

Popular in

August

Cheapest in

June

Average price

$271
From Baltimore/Washington to Louisville Intl
Search Deals
One-way flight from Baltimore/Washington to Louisville Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
vie. 9/125:45 amBWI - SDF
1 stop5h 08mSpirit Airlines
lun. 9/1512:00 pmSDF - BWI
1 stop4h 51mSpirit Airlines
Deal found 6/10$144
This Southwest deal was found by Cheapflights users on 6/10. 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.
lun. 8/254:50 pmBWI - SDF
Nonstop1h 45mSouthwest
mié. 8/275:30 amSDF - BWI
Nonstop1h 40mSouthwest
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 9/96:14 amBWI - SDF
1 stop6h 14mAmerican Airlines
sáb. 9/135:00 pmSDF - BWI
1 stop6h 08mAmerican Airlines
Deal found 6/11$180
This Delta deal was found by Cheapflights users on 6/9. 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.
sáb. 8/166:25 pmBWI - SDF
1 stop5h 31mDelta
jue. 8/218:10 amSDF - BWI
1 stop4h 18mDelta
Deal found 6/9$183
This Mytrip deal was found by Cheapflights users on 6/10. 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.
jue. 6/268:38 pmBWI - SDF
1 stop14h 51mMultiple Airlines
vie. 6/271:57 pmSDF - BWI
1 stop16h 52mMultiple Airlines
Deal found 6/10$184
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/85:20 pmBWI - SDF
1 stop4h 54mUnited Airlines
vie. 7/117:00 amSDF - BWI
1 stop6h 48mUnited Airlines
Deal found 6/11$324

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 junio 12, 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

lun. 8/25

4:50 pm-6:35 pm

Nonstop1h 45m

Louisville Intl

mié. 8/27

5:30 am-7:10 am

Nonstop1h 40m

$157

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

vie. 6/27

7:55 am-12:31 pm

1 stop4h 36m

Louisville Intl

lun. 7/7

1:57 pm-8:21 am

1 stop18h 24m

$165

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

mar. 9/9

6:14 am-12:28 pm

1 stop6h 14m

Louisville Intl

sáb. 9/13

5:00 pm-11:08 pm

1 stop6h 08m

$180

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

sáb. 8/16

6:25 pm-11:56 pm

1 stop5h 31m

Louisville Intl

sáb. 8/23

8:10 am-12:28 pm

1 stop4h 18m

$183

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

jue. 6/26

8:38 pm-11:29 am

1 stop14h 51m

Louisville Intl

vie. 6/27

1:57 pm-6:49 am

1 stop16h 52m

$184

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

mar. 7/8

5:20 pm-10:14 pm

1 stop4h 54m

Louisville Intl

mar. 7/15

2:10 pm-9:42 pm

1 stop7h 32m

$324

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

lun. 8/4

10:30 pm-12:15 am

Nonstop1h 45m

$69

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

vie. 8/22

5:45 am-10:53 am

1 stop5h 08m

$72

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

lun. 8/4

5:32 pm-12:30 am

1 stop6h 58m

$89

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

sáb. 8/9

7:42 pm-12:32 am

1 stop4h 50m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 results
1
2

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 June 9, 2025.

The best time to book flights from Baltimore to Louisville is 53 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, January is the cheapest month in which you can book a flight from Baltimore to Louisville (average of $299). Flying from Baltimore 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 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 junio 12, 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 55% 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 June 8, 2025.

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

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Baltimore to Louisville to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 40m for a nonstop flight. There is 1 flight from Baltimore/Washington to Louisville per day from 4 airlines.

  • How popular is this Baltimore to Louisville flight route?

    The Baltimore/Washington to Louisville Intl flight path was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $157, Southwest will fly you from Baltimore to Louisville and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and American Airlines - these airlines can fly you to your destination from $165 and $180, respectively. Users have found that Southwest is 50% 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 $69. However, be on the lookout for offers from Spirit 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 $102. On average you can expect to pay $263. The most popular route, (Baltimore/Washington - Louisville Intl), can usually be booked for $154.

  • 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, January is the cheapest month in which you can book a flight from Baltimore to Louisville (average of $299). Flying from Baltimore 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 Baltimore?

Book flights to Baltimore 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 Baltimore to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Philadelphia to Nashville flights
Dulles Intl to Nashville flights
Reagan-National to Nashville flights
Baltimore to Nashville flights
Dulles Intl to Louisville flights
Dulles Intl to Knoxville flights
Dulles Intl to Cincinnati flights
Baltimore to Cincinnati flights
Reagan-National to Cincinnati flights
Reagan-National to Knoxville flights
Philadelphia to Cincinnati flights
Baltimore to Knoxville flights
Philadelphia to Louisville flights
Philadelphia to Knoxville flights
Reagan-National to Louisville flights
Dulles Intl to Lexington flights
Philadelphia to Lexington flights
Reagan-National to Lexington flights
Baltimore to Lexington flights
Dulles Intl to Blountville flights
Reagan-National to Blountville flights
Baltimore to Blountville flights
Dulles Intl to Evansville flights
Philadelphia to Blountville flights
Reagan-National to Evansville flights
Baltimore to Evansville flights
Philadelphia to Evansville flights
Dulles Intl to Huntington flights
Baltimore to Huntington flights
Baltimore to Owensboro flights
Reagan-National to Huntington flights
Baltimore to Paducah flights
Dulles Intl to Paducah flights
Philadelphia to Owensboro flights
Philadelphia to Paducah flights
Reagan-National to Paducah flights
Reagan-National to Owensboro flights

Top 4 airlines flying from Baltimore to Louisville

Discover the top 4 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$280FlexibilityNo cancel feeOn-time69%
DeltaCheapest$222Average$390FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$224Average$311FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$260Average$339FlexibilityNo 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.