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$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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDF
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Louisville Intl are usually found in March or October, 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 July 2, 2025.

Round-trip from

$137
(Southwest)

One-way from

$69
(Southwest)

Popular in

August

Cheapest in

March

Average price

$314
From Baltimore/Washington to Louisville Intl
Search Deals
One-way flight from Baltimore/Washington to Louisville Intl
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Highest demand for flights based on searches. 2% potential increase in price ($7 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 July 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 July 2, 2025.

This Southwest deal was found by Cheapflights users on 6/30. 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.
Thu 8/710:50 amBWI - SDF
Nonstop1h 40mSouthwest
Mon 8/1111:40 amSDF - BWI
Nonstop1h 40mSouthwest
Deal found 6/30$137
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/92:49 pmBWI - SDF
1 stop6h 47mAmerican Airlines
Sat 9/135:00 pmSDF - BWI
1 stop6h 08mAmerican Airlines
Deal found 6/30$163
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 8/139:46 amBWI - SDF
1 stop4h 30mDelta
Fri 8/157:10 amSDF - BWI
1 stop4h 02mDelta
Deal found 6/30$199
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 9/185:35 amBWI - SDF
1 stop11h 40mSpirit Airlines
Mon 9/227:45 amSDF - BWI
1 stop5h 19mSpirit Airlines
Deal found 7/2$201
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Sun 7/275:35 pmBWI - SDF
2 stops20h 20mMultiple Airlines
Wed 7/309:46 amSDF - BWI
1 stop13h 48mMultiple Airlines
Deal found 6/30$206

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 July 2, 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

Thu 8/7

10:50 am-12:30 pm

Nonstop1h 40m

Louisville Intl

Mon 8/11

11:40 am-1:20 pm

Nonstop1h 40m

$137

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 9/9

2:49 pm-9:36 pm

1 stop6h 47m

Louisville Intl

Sat 9/13

5:00 pm-11:08 pm

1 stop6h 08m

$163

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 8/13

9:46 am-2:16 pm

1 stop4h 30m

Louisville Intl

Fri 8/15

7:10 am-11:12 am

1 stop4h 02m

$199

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 9/18

5:35 am-5:15 pm

1 stop11h 40m

Louisville Intl

Mon 9/22

7:45 am-1:04 pm

1 stop5h 19m

$201

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sun 7/27

5:35 pm-1:55 pm

2 stops20h 20m

Louisville Intl

Wed 7/30

9:46 am-11:34 pm

1 stop13h 48m

$206

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Mon 8/18

10:50 am-12:30 pm

Nonstop1h 40m

$69

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 8/7

5:38 pm-12:08 am

1 stop6h 30m

$80

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 7/18

8:22 pm-7:28 pm

2 stops23h 06m

$101

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Mon 7/28

6:40 pm-9:07 am

1 stop14h 27m

$105

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sun 9/14

6:19 pm-11:52 pm

1 stop5h 33m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 27, 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 July 2, 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 54% 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 29, 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.

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 July 2, 2025.
See what other customers who have flown with Southwest, Delta, 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
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.6

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
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.6

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
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.6

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
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.6

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
8,103 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.6

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 $137, 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 American Airlines and Delta - these airlines can fly you to your destination from $163 and $199, respectively. Users have found that Southwest is 57% 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 American Airlines and Spirit 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 $68. On average you can expect to pay $210. The most popular route, (Baltimore/Washington - Louisville Intl), can usually be booked for $137.

  • 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

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$269FlexibilityNo cancel feeOn-time69%
DeltaCheapest$222Average$390FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$224Average$310FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$264Average$408FlexibilityNo cancel feeOn-time71%

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