$332 Cheap Flights from Washington (IAD) to Prague (PRG)

View $332 flight on Thu, Aug 13, 2026Opens in a new window

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

Cheap Flights from Washington to Prague (IAD-PRG)

Prices were available within the past 7 days and start at $332 for one-way flights and $614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Sep 12 - Fri, Sep 18
IAD
Washington
PRG
Prague
$614 Roundtrip, found 2 hours ago
$614
Roundtrip
found 2 hours ago
Select Scandinavian Airlines flight, departing Sat, Sep 12 from Washington to Prague, returning Fri, Sep 18, priced at $614 found 2 hours ago
Turkish Airlines
Tue, Apr 28 - Wed, May 6
IAD
Washington
PRG
Prague
$618 Roundtrip, found 4 days ago
$618
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Tue, Apr 28 from Washington to Prague, returning Wed, May 6, priced at $618 found 4 days ago
Turkish Airlines
Wed, Oct 7 - Tue, Oct 13
IAD
Washington
PRG
Prague
$628 Roundtrip, found 3 hours ago
$628
Roundtrip
found 3 hours ago
Select Turkish Airlines flight, departing Wed, Oct 7 from Washington to Prague, returning Tue, Oct 13, priced at $628 found 3 hours ago
Scandinavian Airlines
Tue, Oct 6 - Sat, Oct 10
IAD
Washington
PRG
Prague
$636 Roundtrip, found 1 day ago
$636
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Tue, Oct 6 from Washington to Prague, returning Sat, Oct 10, priced at $636 found 1 day ago
TAP Portugal
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
PRG
Prague
$682 Roundtrip, found 1 day ago
$682
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Wed, Nov 18 from Washington to Prague, returning Wed, Nov 25, priced at $682 found 1 day ago
Icelandair
Sun, Nov 8 - Fri, Nov 13
IAD
Washington
PRG
Prague
$721 Roundtrip, found 4 days ago
$721
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sun, Nov 8 from Washington to Prague, returning Fri, Nov 13, priced at $721 found 4 days ago
British Airways
Mon, Feb 1 - Thu, Feb 11
IAD
Washington
PRG
Prague
$756 Roundtrip, found 6 days ago
$756
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Feb 1 from Washington to Prague, returning Thu, Feb 11, priced at $756 found 6 days ago
Aer Lingus
Sun, Aug 9 - Thu, Aug 20
IAD
Washington
PRG
Prague
$766 Roundtrip, found 13 hours ago
$766
Roundtrip
found 13 hours ago
Select Aer Lingus flight, departing Sun, Aug 9 from Washington to Prague, returning Thu, Aug 20, priced at $766 found 13 hours ago
Austrian Airlines
Tue, Jul 28 - Thu, Aug 6
IAD
Washington
PRG
Prague
$772 Roundtrip, found 5 days ago
$772
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Jul 28 from Washington to Prague, returning Thu, Aug 6, priced at $772 found 5 days ago
American Airlines
Mon, Aug 10 - Thu, Aug 20
IAD
Washington
PRG
Prague
$800 Roundtrip, found 20 hours ago
$800
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Mon, Aug 10 from Washington to Prague, returning Thu, Aug 20, priced at $800 found 20 hours ago

Alternative airports near Prague

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

Select flight to Vaclav Havel PRG. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $994
PRG
Vaclav Havel
CheapestClosest
Average driving time to city center19 min
Flights from $994

Find the cheapest month to fly from Washington (IAD) to Prague (PRG)

November is typically the cheapest month to fly

From $401 - $913 per traveler.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) cost?
You can find cheap one-way flights from $332 and cheap return flights from $614 Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) with Expedia. One-way flights usually range from $404 to $4827, and return flights typically cost between $689 and $5970. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
February is the cheapest month to fly from Washington, DC to Prague, with average round-trip fares around $596. This is about 24% lower than the average price throughout the year, as February tends to see less travel demand. Other affordable months to fly from Washington, DC to Prague include January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
Enter IAD to PRG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Vaclav Havel (PRG), with round-trip tickets starting from around $593. This flight has a layover in Heathrow (LHR). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
When flying from Washington, DC (IAD) to Prague (PRG), January and February are your best bets for affordable fares, averaging around $596 for return flights. These months are less crowded, allowing you to enjoy Prague's charm without the hustle and bustle of peak tourist season. If you're looking for a popular time to visit, consider June or October, when the city is vibrant with activities.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
The earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) typically departs at around 6:00 AM, operated by Delta. This seasonal service is available in September, giving you a great start to your trip to Prague. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
The most popular departure times for flights from Washington, DC (IAD) to Prague (PRG) are from 3pm to 6pm. About 41% of passengers prefer this time window. Many major carriers, including United Airlines and Lufthansa, offer flights during this window. This timing is popular because it allows travelers to enjoy their day in Washington before heading to the airport.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
A flight from IAD to PRG with a layover takes around 18 hours 20 minutes, with the route covering approximately 4,293 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
You can fly business class between IAD and PRG. Airlines that offer business class service on this route include:

  • KLM
  • Lufthansa
  • British Airways
  • Air France
  • Austrian Airlines
  • United Airlines
  • Swiss International Air Lines
  • Emirates
  • Turkish Airlines
  • Iberia

First class cabins are available on:

  • Lufthansa
  • Swiss International Air Lines
  • Emirates

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Prague from Washington Dulles Intl. (IAD)?
If you're planning to travel to Prague from Washington Dulles Intl. (IAD), you can fly into Vaclav Havel (PRG) Some flights may connect through major hubs like Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), Heathrow (LHR) before reaching Prague. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) Prague Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Prague (PRG-Vaclav Havel) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Vaclav Havel
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$613
Distance
4292 mi

Book with confidence

Washington to Prague Flights

The cheapest times to fly from Washington to Prague

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

 

The best time to book a flight from Washington to Prague

Sunday is one of the best days to book for cheap flights from Washington to Prague: 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 Washington to Prague

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 Washington to Prague in 2026. You can also book with separate airlines for your outbound and return journeys, from $332 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 Washington to Prague 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 Washington to Prague 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.

 

Washington to Prague Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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