Cheap Flights from Baltimore (BWI) to Carbondale (MDH)

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Carbondale, IL (MDH-Southern Illinois)

Alternative airports near Carbondale

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Williamson County Regional MWA. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $568
MWA
Williamson County Regional
Cheapest
Average driving time to city center19 min
Flights from $568
Flights from Baltimore (BWI) to Carbondale (MDH)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Southern Illinois
Distance
686 mi

Baltimore to Carbondale Flights

The cheapest times to fly from Baltimore to Carbondale

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 Carbondale are during the month of . You can find some of the cheapest flights from Baltimore to Carbondale with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Carbondale

Sunday is one of the best days to book for cheap flights from Baltimore to Carbondale: 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 Carbondale

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 Carbondale 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 Carbondale 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 Carbondale 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.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois) cost?
Lock in a cheap one-way flight or cheap return flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois)?
The cheapest month to fly from BWI to MDH is , when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from BWI to MDH. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois)?
You'll need to catch a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Carbondale, IL (MDH-Southern Illinois). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BWI to MDH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, such as the season and airline.*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 Carbondale, IL (MDH-Southern Illinois)?
To touch down at Carbondale, IL (MDH-Southern Illinois) on time, choose a flight that leaves from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Carbondale, IL (MDH-Southern Illinois) last-minute?
Last-minute fares from BWI to MDH are generally more expensive. For the lowest prices, start searching for flights early. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a BWI to MDH flight and hotel package?
Opting for a BWI to MDH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything 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 Carbondale, IL (MDH-Southern Illinois)?
It's usually possible to cancel or reschedule your BWI to MDH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.