$79 Cheap United flights Washington (IAD) to West Palm Beach (PBI)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap United Airlines return flights from $137 from IAD to PBI. Affordable one-way tickets from $79 are available too.**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.

Browse for round-trip or one-way flights to West Palm Beach in September or June. You could find cheaper fares with United Airlines during these off-peak times.

Search for cheap United Airlines flights from Washington Dulles Intl. Airport (IAD) to Palm Beach Intl. Airport (PBI) 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. No matter the fare class and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

To see if there’s a direct trip from IAD to PBI with United Airlines or another airline, use our “Nonstop” filter when searching for flights.

Find United Airlines’s earliest flights from IAD to PBI by using our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% 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.

Take a United Airlines flight from Washington Dulles Intl. Airport (IAD) to West Palm Beach, and you’ll probably come in to Palm Beach Intl. Airport (PBI). This is the airline’s main hub in this destination.

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from IAD to PBI with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* in addition to United Airlines’s loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or modify your flight, although additional charges may apply if you booked over 24 hours ago. Need to keep your options open? Make use of our “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you need to alter your plans. To make modifications, go to “Trips,” select your flight and click on “Manage Booking” for more information.