$426 Cheap Flights from Florence (FLR) to Washington (IAD)

View $426 flight on Sat, Jun 13, 2026Opens in a new window

Popular airlines from Florence Airport, Peretola (FLR) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Florence to Washington (FLR-IAD)

Prices were available within the past 7 days and start at $426 for one-way flights and $483 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, Mar 8 - Tue, Mar 24
FLR
Florence
IAD
Washington
$483 Roundtrip, found 6 days ago
$483
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sun, Mar 8 from Florence to Washington, returning Tue, Mar 24, priced at $483 found 6 days ago
TAP Portugal
Wed, Mar 25 - Tue, Apr 7
FLR
Florence
IAD
Washington
$484 Roundtrip, found 6 days ago
$484
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Wed, Mar 25 from Florence to Washington, returning Tue, Apr 7, priced at $484 found 6 days ago
TAP Portugal
Sun, Mar 8 - Sun, Mar 29
FLR
Florence
IAD
Washington
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sun, Mar 8 from Florence to Washington, returning Sun, Mar 29, priced at $487 found 6 days ago
TAP Portugal
Fri, Dec 5 - Fri, Dec 12
FLR
Florence
IAD
Washington
$487 Roundtrip, found 3 days ago
$487
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Fri, Dec 5 from Florence to Washington, returning Fri, Dec 12, priced at $487 found 3 days ago
TAP Portugal
Thu, Mar 12 - Tue, Mar 24
FLR
Florence
IAD
Washington
$490 Roundtrip, found 6 days ago
$490
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Thu, Mar 12 from Florence to Washington, returning Tue, Mar 24, priced at $490 found 6 days ago
ITA Airways
Tue, Mar 10 - Tue, Mar 24
FLR
Florence
IAD
Washington
$656 Roundtrip, found 6 days ago
$656
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Tue, Mar 10 from Florence to Washington, returning Tue, Mar 24, priced at $656 found 6 days ago
Lufthansa
Thu, Nov 20 - Thu, Nov 27
FLR
Florence
IAD
Washington
$662 Roundtrip, found 6 hours ago
$662
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Thu, Nov 20 from Florence to Washington, returning Thu, Nov 27, priced at $662 found 6 hours ago
Swiss International Air Lines
Thu, Nov 20 - Thu, Nov 27
FLR
Florence
IAD
Washington
$667 Roundtrip, found 6 hours ago
$667
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Thu, Nov 20 from Florence to Washington, returning Thu, Nov 27, priced at $667 found 6 hours ago
Air Canada
Fri, Nov 21 - Sun, Nov 23
FLR
Florence
IAD
Washington
$669 Roundtrip, found 2 days ago
$669
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Nov 21 from Florence to Washington, returning Sun, Nov 23, priced at $669 found 2 days ago
Austrian Airlines
Thu, Nov 20 - Thu, Nov 27
FLR
Florence
IAD
Washington
$678 Roundtrip, found 6 hours ago
$678
Roundtrip
found 6 hours ago
Select Austrian Airlines flight, departing Thu, Nov 20 from Florence to Washington, returning Thu, Nov 27, priced at $678 found 6 hours ago

Find the cheapest month to fly from Florence (FLR) to Washington (IAD)

October is typically the cheapest month to fly

From $397 - $1,121 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $820
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $820

Frequently asked questions

How much does a flight from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $426 or cheap return flight from $483 from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD)?
March is the least expensive month to fly from FLR to IAD. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from FLR to IAD. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily direct flights from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from FLR to IAD?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) without delays, opt for a flight that takes off from Peretola Airport (FLR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your departure to book your flight from FLR to IAD generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a FLR to IAD flight and hotel package?
Booking a FLR to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Peretola Airport (FLR) to Washington Dulles Intl. Airport (IAD)?
If you reserved your FLR to IAD flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Peretola
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, ITA Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$482
Distance
4377 mi

Book with confidence

Florence to Washington Flights

The cheapest times to fly from Florence 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 Florence to Washington are during the month of March. You can find some of the cheapest flights from Florence to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Florence to Washington

Sunday is one of the best days to book for cheap flights from Florence 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 Florence 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 Florence to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $426 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 Florence 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 Florence 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.

 

Florence to Washington Flights

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*Available to One Key members.