$99 Cheap Delta flights West Palm Beach (PBI) to Washington (IAD)

You can find cheap return Delta Air Lines flights from $197 from PBI to IAD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $99 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.

Delta Air Lines flights to Washington are usually cheaper in the off-peak months of January and February. Whether you’re searching for a return or one-way ticket, you could find a better deal then.

Look for cheap Delta Air Lines flights from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD) one to three months before your day of 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 class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive day tends to be 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.

Use the “Nonstop” filter when browsing for direct Delta Air Lines flights from PBI to IAD. You’ll also be able to compare other airlines servicing the same nonstop route.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from PBI to IAD. Heading off early means flight cancellations are less likely.**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 flights from Palm Beach Intl. Airport (PBI) to Washington touch down at Washington Dulles Intl. Airport (IAD). This is the main entry point here.

Delta Air Lines makes traveling from PBI to IAD more comfortable with a rewarding loyalty program and an excellent in-flight experience. You also have the chance to earn points with Delta SkyMiles. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may charge you after that. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without being charged, tick the “Changes included” or “No cancel fee” filter when organizing your next escape.