$70 Cheap American Airlines flights Washington (IAD) to Dallas (DFW)

Finding cheap one-way American Airlines flights from IAD to DFW from $70 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $149 for your next getaway.**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 Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) 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 best day of the week to book a domestic flight is generally Sunday and the most expensive 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 IAD to DFW departs at 6:10AM UTC-5, touching down at 8:59AM UTC-6. If you prefer to set off later in the day, the last American Airlines flight leaves IAD at 5:24PM UTC-5 and lands at DFW at 8:09PM UTC-6. Flying early is often a smart option as morning flights tend to experience 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.