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$85+ Cheap flights from Louisville to Baltimore (SDF - BWI)

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BWI
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Find cheap flights from Louisville to Baltimore with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Louisville Intl to Baltimore/Washington are usually found in August or April, booked 82 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Louisville to Baltimore

Cheapest flights from Louisville to Baltimore
Explore the most affordable flight options available from Louisville to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This American Airlines deal was found by Cheapflights users on 12/26. 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 12/305:00 amSDF - BWI
1 stop6h 44mAmerican Airlines
Wed 1/76:31 pmBWI - SDF
1 stop4h 48mAmerican Airlines
Deal found 12/26$463
This American Airlines deal was found by Cheapflights users on 12/25. 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.
Sun 12/288:00 amSDF - BWI
1 stop5h 07mAmerican Airlines
Thu 1/111:45 amBWI - SDF
1 stop11h 45mAmerican Airlines
Deal found 12/25$478
This American Airlines deal was found by Cheapflights users on 12/27. 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 12/318:00 amSDF - BWI
1 stop3h 44mAmerican Airlines
Fri 1/28:15 pmBWI - SDF
1 stop4h 01mAmerican Airlines
Deal found 12/27$493
This American Airlines deal was found by Cheapflights users on 12/25. 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 12/308:00 amSDF - BWI
1 stop3h 44mAmerican Airlines
Fri 1/25:54 pmBWI - SDF
1 stop3h 51mAmerican Airlines
Deal found 12/25$502
This American Airlines deal was found by Cheapflights users on 12/27. 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.
Sun 12/286:27 amSDF - BWI
1 stop4h 48mAmerican Airlines
Sun 12/288:15 pmBWI - SDF
1 stop4h 01mAmerican Airlines
Deal found 12/27$523
This American Airlines deal was found by Cheapflights users on 12/26. 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 12/307:24 pmSDF - BWI
1 stop4h 19mAmerican Airlines
Sat 1/35:50 pmBWI - SDF
1 stop4h 24mAmerican Airlines
Deal found 12/26$536
This Kiwi.com deal was found by Cheapflights users on 12/27. 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.
Tue 12/305:05 amSDF - BWI
1 stop8h 24mMultiple Airlines
Tue 1/68:38 pmBWI - SDF
2 stops27h 21mMultiple Airlines
Deal found 12/27$553
This Southwest deal was found by Cheapflights users on 12/26. 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 12/305:05 amSDF - BWI
Nonstop1h 35mSouthwest
Sun 1/410:40 pmBWI - SDF
Nonstop1h 50mSouthwest
Deal found 12/26$596

Find flight deals from Louisville to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Baltimore (BWI). 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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$180
(Kiwi.com)

One-way from

$85
(Trip.com)

Popular in

January

Cheapest in

August

Average price

$334
Provider with most accurate pricing for Louisville Intl-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Baltimore/Washington flights.
Search Deals
From Louisville Intl to Baltimore/Washington
Search Deals
One-way flight from Louisville Intl to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Baltimore 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 December 27, 2025.
Use the filters below to find and compare flights from Louisville to Baltimore that are best for you.

Fly from

Louisville

Fly to

Baltimore

Route

Depart

Return

Price

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Sat 2/21

12:00 pm-8:11 am

1 stop20h 11m

Baltimore/Washington

Mon 2/23

9:04 pm-2:38 pm

1 stop17h 34m

$193

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Tue 3/10

3:05 pm-8:27 pm

1 stop5h 22m

Baltimore/Washington

Wed 3/11

7:24 am-11:58 am

1 stop4h 34m

$237

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Tue 2/17

3:33 pm-7:40 pm

1 stop4h 07m

Baltimore/Washington

Wed 2/18

6:00 am-10:04 am

1 stop4h 04m

$237

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Fri 2/27

9:30 am-11:36 pm

2 stops14h 06m

Baltimore/Washington

Sun 3/1

9:04 pm-8:40 am

1 stop11h 36m

$237

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Mon 1/19

4:15 pm-5:50 pm

Nonstop1h 35m

Baltimore/Washington

Wed 1/28

11:40 am-1:35 pm

Nonstop1h 55m

$243

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Mon 1/19

7:20 pm-11:21 pm

1 stop4h 01m

Baltimore/Washington

Wed 1/28

6:31 pm-11:19 pm

1 stop4h 48m

$253

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Mon 1/19

5:47 pm-10:02 pm

1 stop4h 15m

Baltimore/Washington

Tue 1/20

10:33 am-5:01 pm

1 stop6h 28m

$253

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Thu 2/5

2:26 pm-11:47 pm

2 stops9h 21m

Baltimore/Washington

Fri 2/6

6:15 am-1:00 pm

1 stop6h 45m

$255

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Wed 2/18

2:30 pm-4:05 pm

Nonstop1h 35m

$114

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Wed 1/28

2:30 pm-4:05 pm

Nonstop1h 35m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 18 results
1
2

Compare providers for flights from Louisville to Baltimore

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 Louisville to Baltimore in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 Louisville-Baltimore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Baltimore flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Baltimore flights, Cheapflights users trust eDreams the most. eDreams 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 Louisville-Baltimore 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 Louisville to Baltimore

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

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

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Baltimore. Price data was last updated on December 19, 2025.

The price you pay for your flight from Louisville to Baltimore may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Louisville to Baltimore (average of $108). Flying from Louisville to Baltimore in June is currently the most expensive (average of $181). 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 SDF to BWI?

Find hourly flight availability from Louisville to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 27, 2025.

It’s typically best to fly out from Louisville to Baltimore in the afternoon. Doing so could potentially save you 66% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated December 27, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Louisville to Baltimore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,019 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,073 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Louisville to Baltimore. 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 Louisville to Baltimore?

    Baltimore/Washington is the airport most travelers will use when flying to Baltimore from Louisville Intl. Booking flights from Louisville Intl (SDF) to Baltimore/Washington (BWI) should be relatively easy as there is 1 daily flight to Baltimore from 3 different airlines. 1h 35m is how long a flight from Louisville to Baltimore/Washington will take if you book a nonstop flight.

  • How popular is this Louisville to Baltimore flight route?

    This flight path from Louisville Intl to Baltimore/Washington was viewed by 36 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 Louisville to Baltimore?

    A quick flight from Louisville to Baltimore can take about 5h 22m. Delta provides one of the quickest options available for as low as $237. The distance from Louisville to Baltimore is about 493 mi.

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

    Our cheapest airline available from Louisville to Baltimore is Southwest. Our recent data shows that you can find tickets from as low as $179 on this airline. An additional option worth looking into is Delta, starting at $198. Southwest is priced at 43% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Louisville to Baltimore?

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (Louisville Intl - Baltimore/Washington) can be booked for $191 on average, our data indicates $317 when flying from Louisville to Baltimore.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Louisville to Baltimore (average of $108). Flying from Louisville to Baltimore in June is currently the most expensive (average of $181). 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

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Alternative routes for Louisville to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Louisville to Baltimore

Discover the top 2 airlines that operate flights from Louisville to Baltimore. 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$179Average$326FlexibilityNo cancel feeOn-time63%
DeltaCheapest$198Average$331FlexibilityNo cancel feeOn-timeN/A

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