$163 Cheap Flights from Marion (MWA) to Baltimore (BWI)

View $163 flight on Mon, Aug 25, 2025Opens in a new window

Popular airlines from Marion, IL (MWA-Williamson County Regional) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Marion to Baltimore (MWA-BWI)

Prices were available within the past 7 days and start at $163 for one-way flights and $342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Contour Airlines
Mon, Jul 28 - Wed, Aug 6
MWA
Marion
BWI
Baltimore
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Mon, Jul 28 from Marion to Baltimore, returning Wed, Aug 6, priced at $342 found 3 days ago
Contour Airlines
Mon, Jul 28 - Tue, Aug 5
MWA
Marion
BWI
Baltimore
$352 Roundtrip, found 3 days ago
$352
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Mon, Jul 28 from Marion to Baltimore, returning Tue, Aug 5, priced at $352 found 3 days ago
Contour Airlines
Thu, Jul 31 - Wed, Aug 6
MWA
Marion
BWI
Baltimore
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Thu, Jul 31 from Marion to Baltimore, returning Wed, Aug 6, priced at $357 found 3 days ago
Contour Airlines
Mon, Jul 28 - Thu, Aug 7
MWA
Marion
BWI
Baltimore
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Mon, Jul 28 from Marion to Baltimore, returning Thu, Aug 7, priced at $362 found 3 days ago
Contour Airlines
Tue, Jul 29 - Wed, Aug 6
MWA
Marion
BWI
Baltimore
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Tue, Jul 29 from Marion to Baltimore, returning Wed, Aug 6, priced at $366 found 3 days ago
Contour Airlines
Thu, Jul 31 - Tue, Aug 5
MWA
Marion
BWI
Baltimore
$367 Roundtrip, found 3 days ago
$367
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Thu, Jul 31 from Marion to Baltimore, returning Tue, Aug 5, priced at $367 found 3 days ago
Contour Airlines
Mon, Jul 28 - Fri, Aug 8
MWA
Marion
BWI
Baltimore
$373 Roundtrip, found 4 days ago
$373
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Mon, Jul 28 from Marion to Baltimore, returning Fri, Aug 8, priced at $373 found 4 days ago
Contour Airlines
Tue, Jul 29 - Tue, Aug 5
MWA
Marion
BWI
Baltimore
$376 Roundtrip, found 3 days ago
$376
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Tue, Jul 29 from Marion to Baltimore, returning Tue, Aug 5, priced at $376 found 3 days ago
Contour Airlines
Thu, Jul 31 - Thu, Aug 7
MWA
Marion
BWI
Baltimore
$377 Roundtrip, found 3 days ago
$377
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Thu, Jul 31 from Marion to Baltimore, returning Thu, Aug 7, priced at $377 found 3 days ago
Contour Airlines
Tue, Jul 29 - Thu, Aug 7
MWA
Marion
BWI
Baltimore
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Tue, Jul 29 from Marion to Baltimore, returning Thu, Aug 7, priced at $386 found 3 days ago

Alternative airports near Baltimore

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $466
BWI
Baltimore Washington Intl. Thurgood Marshall
CheapestClosest
Average driving time to city center16 min
Flights from $466
Flights from Marion (MWA) to Baltimore (BWI)
Origin airport
Williamson County Regional
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Roundtrip price
$342
Distance
674 mi

Frequently asked questions

How much does a flight from Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from MWA to BWI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MWA to BWI?
The cheapest flights from MWA to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MWA to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MWA to BWI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You'll need to hop on a flight with a layover when traveling from Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). 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 MWA to BWI?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, aim to fly before 3 PM. Flights after this time are 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 Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute bookings from MWA to BWI are typically more expensive. To secure the best rates, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a MWA to BWI flight and hotel package?
You'll generally save money by securing a MWA to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Williamson County Regional Airport (MWA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
In most cases, you can cancel or reschedule your MWA to BWI flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, head to our Customer Service portal.

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