$79 Cheap American Airlines flights Chicago (ORD) to Washington (DCA)

You'll find affordable return American Airlines flights from $157 from ORD to DCA by organizing your results from "Price (lowest to highest)" on Expedia. Or search for deals from $79 for a one-way trip.**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 American Airlines fares from O'Hare Intl. Airport (ORD) to Ronald Reagan Washington National Airport (DCA), start searching one to three months before your intended departure. Securing 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 cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

The first flight from ORD to DCA with American Airlines leaves at 6:00AM UTC-6. You'll touch down at 8:55AM UTC-5. The final American Airlines flight of the day takes off at 8:25PM UTC-6 and arrives at 11:20PM UTC-5. With approximately 20% fewer cancellations for morning and mid-morning flights, heading out early is typically the smartest 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.