$129 Cheap Southwest Airlines flights Kansas City (MCI) to Baltimore (BWI)

Grab cheap round-trip Southwest Airlines flights from $189 from MCI to BWI by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $129 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.

Look for affordable Southwest Airlines flights from Kansas City Intl. Airport (MCI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) one to three months prior to your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

The first flight from MCI to BWI with Southwest Airlines departs at 6:35AM UTC-6. You'll land at 10:00AM UTC-5. The final Southwest Airlines flight of the day takes off at 10:05AM UTC-6 and arrives at 1:25PM UTC-5. With approximately 20% fewer cancellations for departures before midday, jetting out early is typically the wisest option.**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.