$490 Cheap Flights from Prague (PRG) to Washington (IAD)

View $490 flight on Sat, May 2, 2026Opens in a new window

Popular airlines from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Prague to Washington (PRG-IAD)

Prices were available within the past 7 days and start at $490 for one-way flights and $591 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, Mar 6 - Sun, Mar 8
PRG
Prague
IAD
Washington
$591 Roundtrip, found 6 days ago
$591
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Fri, Mar 6 from Prague to Washington, returning Sun, Mar 8, priced at $591 found 6 days ago
Scandinavian Airlines
Fri, Feb 6 - Mon, Feb 9
PRG
Prague
IAD
Washington
$625 Roundtrip, found 3 days ago
$625
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Fri, Feb 6 from Prague to Washington, returning Mon, Feb 9, priced at $625 found 3 days ago
Scandinavian Airlines
Wed, Nov 12 - Wed, Nov 26
PRG
Prague
IAD
Washington
$641 Roundtrip, found 5 hours ago
$641
Roundtrip
found 5 hours ago
Select Scandinavian Airlines flight, departing Wed, Nov 12 from Prague to Washington, returning Wed, Nov 26, priced at $641 found 5 hours ago
Icelandair
Fri, Mar 6 - Sun, Mar 8
PRG
Prague
IAD
Washington
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select Icelandair flight, departing Fri, Mar 6 from Prague to Washington, returning Sun, Mar 8, priced at $663 found 6 days ago
Lufthansa
Sat, Nov 22 - Mon, Dec 1
PRG
Prague
IAD
Washington
$676 Roundtrip, found 8 hours ago
$676
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Sat, Nov 22 from Prague to Washington, returning Mon, Dec 1, priced at $676 found 8 hours ago
Air Canada
Tue, Nov 25 - Tue, Dec 2
PRG
Prague
IAD
Washington
$677 Roundtrip, found 4 days ago
$677
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 25 from Prague to Washington, returning Tue, Dec 2, priced at $677 found 4 days ago
Swiss International Air Lines
Thu, Dec 25 - Sat, Jan 10
PRG
Prague
IAD
Washington
$684 Roundtrip, found 1 hour ago
$684
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Thu, Dec 25 from Prague to Washington, returning Sat, Jan 10, priced at $684 found 1 hour ago
Austrian Airlines
Fri, Nov 28 - Sat, Mar 28
PRG
Prague
IAD
Washington
$695 Roundtrip, found 1 hour ago
$695
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Fri, Nov 28 from Prague to Washington, returning Sat, Mar 28, priced at $695 found 1 hour ago
Brussels Airlines
Mon, Jan 26 - Sun, Feb 1
PRG
Prague
IAD
Washington
$698 Roundtrip, found 22 hours ago
$698
Roundtrip
found 22 hours ago
Select Brussels Airlines flight, departing Mon, Jan 26 from Prague to Washington, returning Sun, Feb 1, priced at $698 found 22 hours ago
TAP Portugal
Fri, Jan 23 - Mon, Feb 16
PRG
Prague
IAD
Washington
$700 Roundtrip, found 5 hours ago
$700
Roundtrip
found 5 hours ago
Select TAP Portugal flight, departing Fri, Jan 23 from Prague to Washington, returning Mon, Feb 16, priced at $700 found 5 hours ago

Alternative airports near Washington

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

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $789
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $789

Frequently asked questions

How much does a flight from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $490 or cheap return flight from $591 from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)?
Flying in March may help you find better deals, as it's the cheapest month for flights between PRG and IAD. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from PRG to IAD. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily direct flights from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PRG 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 Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) without delays, opt for a flight that takes off from Vaclav Havel Airport (PRG) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book a flight from PRG to IAD often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a PRG to IAD flight and hotel package?
You'll typically save money by securing a PRG to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Vaclav Havel Airport (PRG) to Washington Dulles Intl. Airport (IAD)?
You can usually reschedule or cancel your PRG to IAD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Vaclav Havel
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$590
Distance
4292 mi

Book with confidence

Prague to Washington Flights

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

 

The best time to book a flight from Prague to Washington

Sunday is one of the best days to book for cheap flights from Prague 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 Prague 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 Prague to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 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 Prague 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 Prague 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.

 

Prague to Washington Flights

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*Available to One Key members.