$140 Cheap American Airlines flights Las Vegas (LAS) to Washington (DCA)

You'll find budget-friendly return American Airlines flights from $298 from LAS to DCA by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from $140 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 American Airlines flights from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA) one to three months prior to your departure date. 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 ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel 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 earliest American Airlines flight from LAS to DCA takes off at 12:53PM UTC-8, touching down at 8:23PM UTC-5. If you want to set off later, the last American Airlines flight leaves LAS at 12:53PM UTC-8 and lands at DCA at 8:23PM UTC-5. Flying earlier is generally a smart option as morning and mid-morning flights are 20% less likely to be canceled.**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.