$122 Cheap Southwest Airlines flights Orange County (SNA) to Washington (DCA)

Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Southwest Airlines return flights from $294 from SNA to DCA. Affordable one-way fares from $122 are available too.**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.

To find cheap Southwest Airlines fares from John Wayne Airport (SNA) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your intended 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 the overall cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Search Southwest Airlines's earliest flights from SNA to DCA by selecting the "Early Morning" and "Morning" filters. Not only will you get to your destination 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.