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$81+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SDF
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 75 days in advance, depart on a Tuesday or Thursday 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(Southwest)

One-way from

$81
(Mytrip)

Popular in

August

Cheapest in

March

Average price

$284
Provider with most accurate pricing for Baltimore/Washington-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Louisville Intl flights.
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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. 1% potential increase in price ($5 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 March 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 March 25, 2025.

This Southwest deal was found by Cheapflights users on 3/24. 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.
Wed 4/168:50 pmBWI - SDF
Nonstop1h 45mSouthwest
Thu 4/176:15 amSDF - BWI
Nonstop1h 35mSouthwest
Deal found 3/24$179
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Tue 4/88:27 pmBWI - SDF
1 stop25h 50mSpirit Airlines
Sat 4/128:41 amSDF - BWI
2 stops14h 09mSpirit Airlines
Deal found 3/24$186
This Delta deal was found by Cheapflights users on 3/24. 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.
Sat 5/246:53 pmBWI - SDF
1 stop5h 12mDelta
Mon 5/268:00 pmSDF - BWI
1 stop4h 48mDelta
Deal found 3/24$198
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:35 pmBWI - SDF
1 stop26h 02mMultiple Airlines
Mon 5/122:07 pmSDF - BWI
2 stops10h 11mMultiple Airlines
Deal found 3/24$228
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/165:55 pmBWI - SDF
1 stop6h 18mAmerican Airlines
Thu 4/175:45 amSDF - BWI
1 stop4h 34mAmerican Airlines
Deal found 3/24$239
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 8/215:11 pmBWI - SDF
1 stop5h 13mUnited Airlines
Sun 8/248:45 amSDF - BWI
1 stop5h 12mUnited Airlines
Deal found 3/24$369

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 March 25, 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 4/16

8:50 pm-10:35 pm

Nonstop1h 45m

Louisville Intl

Thu 4/17

6:15 am-7:50 am

Nonstop1h 35m

$179

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 4/8

8:27 pm-10:17 pm

1 stop25h 50m

Louisville Intl

Sat 4/12

8:41 am-10:50 pm

2 stops14h 09m

$186

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sat 5/24

6:53 pm-12:05 am

1 stop5h 12m

Louisville Intl

Mon 5/26

8:00 pm-12:48 am

1 stop4h 48m

$198

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 5/8

6:35 pm-8:37 pm

1 stop26h 02m

Louisville Intl

Mon 5/12

2:07 pm-12:18 am

2 stops10h 11m

$228

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 4/16

5:55 pm-12:13 am

1 stop6h 18m

Louisville Intl

Thu 4/17

5:45 am-10:19 am

1 stop4h 34m

$239

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 4/8

5:07 pm-10:30 pm

1 stop5h 23m

Louisville Intl

Sat 4/12

7:29 am-2:18 pm

1 stop6h 49m

$431

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Tue 4/29

10:27 am-10:17 pm

1 stop11h 50m

$81

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 4/23

11:45 am-1:30 pm

Nonstop1h 45m

$90

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sun 5/18

6:35 pm-2:25 pm

1 stop19h 50m

$92

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 4/24

5:50 am-10:03 am

1 stop4h 13m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 12 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Louisville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

The best time to book flights from Baltimore to Louisville is 75 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 March 25, 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 53% 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 March 16, 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 March 25, 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
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,878 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $179, 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 Delta - these airlines can fly you to your destination from $186 and $198, respectively. Users have found that Southwest is 44% 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 Spirit Airlines, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from Southwest and United 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 $89. On average you can expect to pay $232. The most popular route, (Baltimore/Washington - Louisville Intl), can usually be booked for $179.

  • 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
Jeffersonville
Corydon
Elizabethtown
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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$309FlexibilityNo cancel feeOn-time69%
DeltaCheapest$215Average$346FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$237Average$322FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$243Average$354FlexibilityNo cancel feeOn-time71%
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