$65 Cheap American Airlines flights New York (LGA) to Washington (DCA)

Finding cheap one-way American Airlines flights from LGA to DCA from $65 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $129 for your next exciting vacation.**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 LaGuardia Airport (LGA) to Ronald Reagan Washington National Airport (DCA) one to three months before your 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 to book a domestic flight is generally 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 first American Airlines flight from LGA to DCA departs at 6:00AM UTC-5, arriving at 7:27AM UTC-5. If you prefer to head off later, the last American Airlines flight leaves LGA at 8:15PM UTC-5 and lands at DCA at 10:00PM UTC-5. Flying earlier is generally a good idea as morning flights are least likely to face 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.