$147 Cheap Southwest Airlines flights Dallas (DAL) to Buffalo (BUF)

Use the "Price (lowest to highest)" filter on Expedia to find cheap Southwest Airlines round-trip flights from $283 from DAL to BUF. Affordable one-way tickets from $147 are also available.**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 cheap Southwest Airlines flights from Love Field Airport (DAL) to Buffalo Niagara Intl. Airport (BUF) one to three months ahead of your day of departure. 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. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically 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.

Find Southwest Airlines's earliest flights from DAL to BUF by checking the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% 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.