Cheap Southwest Airlines flights Washington (DCA) to Madison (MSN)

You can find affordable round-trip Southwest Airlines flights from DCA to MSN by organizing your results from “Price (lowest to highest)” on Expedia. Or search for options for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for return or one-way flights to Madison in January or December. You could find a cheap fare with Southwest Airlines during these off-peak times.

To find cheap Southwest Airlines fares from Ronald Reagan Washington National Airport (DCA) to Dane County Regional Airport (MSN), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, press search and select the “Nonstop” filter on Expedia to find any direct flights from DCA to MSN with Southwest Airlines or other carriers.

To find the earliest departure from DCA to MSN with Southwest Airlines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Southwest Airlines flights from Ronald Reagan Washington National Airport (DCA) to Madison come in to land at Dane County Regional Airport (MSN). This is the main gateway to this city.

Changes are usually free within 24 hours of booking, but your airline may charge you after that. For more details about altering your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to adjust your plans without being charged, apply the “Changes included” and “No cancel fee” filters when organizing your next adventure.