Title: Cheap Flights from Louisville (SDF) to Baltimore (BWI) - Expedia.ca ![Baltimore featuring a sunset, skyline and a marina](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Louisville (SDF) to Baltimore (BWI) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Louisville International Airport (SDF) to Baltimore Washington International Airport (BWI) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:SDF,to:BWI,departure:22/12/2025TANYT&leg2=from:BWI,to:SDF,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:SDF,to:BWI,departure:22/12/2025TANYT&leg2=from:BWI,to:SDF,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:SDF,to:BWI,departure:22/12/2025TANYT&leg2=from:BWI,to:SDF,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:SDF,to:BWI,departure:22/12/2025TANYT&leg2=from:BWI,to:SDF,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Find the cheapest month to fly from Louisville (SDF) to Baltimore (BWI) ### August is typically the cheapest month to fly From CA $201 - CA $670 per traveller. __Flight from Louisville to Baltimore (SDF - BWI) route information__ | Origin airport | Louisville Intl. | | ------------------- | -------------------------------------------- | | Destination airport | Baltimore Washington Intl. Thurgood Marshall | | Distance | 790 km | | Average flight time | 1 hour 35 mins | ## Louisville to Baltimore Flights **The easy way to book your flights from Louisville to Baltimore** With Expedia, it’s simple to find and book flights to Baltimore from Louisville whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Baltimore Washington Intl. Thurgood Marshall, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Louisville to Baltimore today, tomorrow, or this week. **Save dollars with cheap flights from Louisville Intl., SDF to Baltimore Washington Intl. Thurgood Marshall, BWI** Sort your search results by price to find great deals on your flight from Louisville to Baltimore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Baltimore from Louisville currently is just rising to . Here are more money-saving tips: - Fly in when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Baltimore - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Baltimore from Louisville** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Baltimore with Expedia today. ## Frequently asked questions ### How much is a flight from Louisville Intl. Airport (SDF) to BWI Marshall? ### Do I need to pay a cancellation fee if I cancel my flight from Louisville Intl. Airport (SDF) to BWI Marshall? ### How do I find cheap flights from Louisville Intl. Airport (SDF) to BWI Marshall that have flexible change policies? ### How many hours is the flight from SDF to BWI? ### How far is the flight from Louisville Muhammad Ali Intl. Airport to BWI Marshall? ### Which airlines fly direct from Louisville Intl. Airport (SDF) to BWI Airport? ### Are SDF to BWI Airport flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Boston to Western Shore of Maryland ](https://www.expedia.ca/lp/flights/178239/6057468/boston-to-western-shore-of-maryland) - [Flights from Toronto to Baltimore ](https://www.expedia.ca/lp/flights/178314/178235/toronto-to-baltimore) - [Flights from Allentown (ABE) to Annapolis (ANP) ](https://www.expedia.ca/lp/flights/abe/anp/allentown-to-annapolis) - [Flights from Aniak (ANI) to Washington (WAS) ](https://www.expedia.ca/lp/flights/ani/was/aniak-to-washington) - [Flights from Apple Valley (APV) to Washington (WAS) ](https://www.expedia.ca/lp/flights/apv/was/apple-valley-to-washington) - [Flights from Atlanta (ATL) to Washington (WAS) ](https://www.expedia.ca/lp/flights/atl/was/atlanta-to-washington) - [Flights from Artesia (ATS) to Washington (WAS) ](https://www.expedia.ca/lp/flights/ats/was/artesia-to-washington) - 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