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

Scoring cheap one-way American Airlines flights from DFW to IAD from $70 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $165 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.

Start searching one to three months ahead of your travel date to score cheap fares on American Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*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.

Departing DFW at 12:26PM UTC-6, the earliest American Airlines flight to IAD arrives at 4:14PM UTC-5. Traveling early means you're less likely to encounter delays.* Prefer a later start? The last American Airlines flight from DFW to IAD departs at 8:09PM UTC-6 and touches down at 11:56PM UTC-5.*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.