$85 Cheap Flights from West Palm Beach (PBI) to Washington (IAD)

View $85 flight on Tue, May 13, 2025Opens in a new window

Popular airlines from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD)

Find available prices by choosing your travel dates.

Cheap Flights from West Palm Beach to Washington (PBI-IAD)

Prices were available within the past 7 days and start at $85 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 10 - Tue, May 13
PBI
West Palm Beach
IAD
Washington
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 10 from West Palm Beach to Washington, returning Tue, May 13, priced at $157 found 3 days ago
United
Tue, May 13 - Wed, May 14
PBI
West Palm Beach
IAD
Washington
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 13 from West Palm Beach to Washington, returning Wed, May 14, priced at $164 found 1 day ago
United
Sat, May 17 - Wed, May 21
PBI
West Palm Beach
IAD
Washington
$167 Roundtrip, found 10 hours ago
$167
Roundtrip
found 10 hours ago
Select United flight, departing Sat, May 17 from West Palm Beach to Washington, returning Wed, May 21, priced at $167 found 10 hours ago
United
Tue, May 13 - Sun, May 18
PBI
West Palm Beach
IAD
Washington
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 13 from West Palm Beach to Washington, returning Sun, May 18, priced at $174 found 1 day ago
United
Sat, May 17 - Sun, May 18
PBI
West Palm Beach
IAD
Washington
$174 Roundtrip, found 5 days ago
$174
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 17 from West Palm Beach to Washington, returning Sun, May 18, priced at $174 found 5 days ago
United
Wed, May 7 - Wed, May 14
PBI
West Palm Beach
IAD
Washington
$177 Roundtrip, found 4 hours ago
$177
Roundtrip
found 4 hours ago
Select United flight, departing Wed, May 7 from West Palm Beach to Washington, returning Wed, May 14, priced at $177 found 4 hours ago
United
Tue, May 13 - Wed, May 14
PBI
West Palm Beach
IAD
Washington
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 13 from West Palm Beach to Washington, returning Wed, May 14, priced at $184 found 1 day ago
Delta
Wed, May 7 - Sun, May 11
PBI
West Palm Beach
IAD
Washington
$190 Roundtrip, found 7 hours ago
$190
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, May 7 from West Palm Beach to Washington, returning Sun, May 11, priced at $190 found 7 hours ago
American Airlines
Wed, May 7 - Wed, May 14
PBI
West Palm Beach
IAD
Washington
$211 Roundtrip, found 4 hours ago
$211
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, May 7 from West Palm Beach to Washington, returning Wed, May 14, priced at $211 found 4 hours ago
Frontier Airlines
Fri, Jun 20 - Mon, Jun 23
PBI
West Palm Beach
IAD
Washington
$312 Roundtrip, found 4 hours ago
$312
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Jun 20 from West Palm Beach to Washington, returning Mon, Jun 23, priced at $312 found 4 hours ago
Flights from West Palm Beach (PBI) to Washington (IAD)
Origin airport
Palm Beach Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$157
Distance
861 mi

West Palm Beach to Washington Flights

The cheapest times to fly from West Palm Beach to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from West Palm Beach to Washington are during the month of May. You can find some of the cheapest flights from West Palm Beach to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from West Palm Beach to Washington

Sunday is one of the best days to book for cheap flights from West Palm Beach to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from West Palm Beach to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from West Palm Beach to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap West Palm Beach to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your West Palm Beach to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD) cost?
Cheap round-trip flights from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD) start at $157. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United and JetBlue Airways flight leaving PBI on May 10 2025 and touching down at IAD. The price was last updated on April 21 2025 and has not changed since.
What is the cheapest month to fly from PBI to IAD?
The cheapest flights from PBI to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD)?
Although West Palm Beach, FL (PBI-Palm Beach Intl.) doesn’t offer any direct flights to Washington Dulles Intl. Airport (IAD), other airports have nonstop routes. Leaving from Fort Lauderdale - Hollywood Intl. Airport (FLL) will get you to Washington without any detours.
What is the cheapest airline that flies from PBI to IAD?
Right now, the cheapest airline operating one-way flights from PBI to IAD is United. You can jet off on this route from $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PBI on May 21 2025. Prices were last updated on April 21 2025 and have not changed since.
How many flights per day from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD)?
You’ll need to catch a flight with a layover if you’re traveling from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD). Direct flights don’t operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from PBI to IAD?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD)?
Choose a flight from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Washington from Palm Beach Intl. Airport (PBI)?
You’ll arrive at Ronald Reagan Washington National Airport (DCA) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI) when traveling to Washington on a direct flight from Palm Beach Intl. Airport (PBI).
Is it cheaper to buy a plane ticket from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from PBI to IAD are typically more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That said, if you’re flexible with your travel dates, it’s possible to score a cheap fare right before your trip.
Is it cheaper to book a PBI to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a PBI to IAD flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Palm Beach Intl. Airport (PBI) to Washington Dulles Intl. Airport (IAD)?
Generally, it’s possible to cancel or reschedule your PBI to IAD flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.