Cheap Flights from Baltimore (BWI) to Sumter (SUM)

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal) cost?
Snag a cheap one-way flight or cheap return flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between BWI and SUM. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from BWI to SUM. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)?
There are no daily direct flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from BWI to SUM?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)?
Select a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal) last-minute?
Booking your ticket from BWI to SUM right before your getaway is typically more expensive. However, if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a BWI to SUM flight and hotel package?
Securing a BWI to SUM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Sumter, SC (SUM-Sumter Municipal)?
Generally, it's possible to reschedule or cancel your BWI to SUM flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Sumter Municipal
Distance
412 mi

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Baltimore to Sumter Flights

The cheapest times to fly from Baltimore to Sumter

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Sumter are during the month of . You can find some of the cheapest flights from Baltimore to Sumter with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Sumter

Sunday is one of the best days to book for cheap flights from Baltimore to Sumter: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Sumter

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Sumter in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Sumter flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Sumter airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Baltimore to Sumter Flights

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*Available to One Key members.