$99 Cheap Delta flights Washington (IAD) to Fort Lauderdale (FLL)

Scoring cheap one-way Delta Air Lines flights from IAD to FLL from $99 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $174 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.

Begin your search one to three months before your departure to find cheap fares on Delta Air Lines flights from Washington Dulles Intl. Airport (IAD) to Fort Lauderdale - Hollywood Intl. Airport (FLL). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, 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.

To find the earliest departures from IAD to FLL with Delta Air Lines, filter your search by "Morning" and "Early Morning." Choosing an early flight usually means you're less likely to experience 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.

Delta Air Lines makes traveling from IAD to FLL enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.