Cheap flights from Washington Dulles to Prague

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Flight deals from Washington Dulles to Prague

Looking for a cheap last-minute deal or the best round-trip flight from Washington Dulles to Prague? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Washington Dulles to Prague

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Prague flights are currently cheapest in October.

Washington Dulles to Prague: Alternative routes

Compare routes from Washington Dulles to Prague below. You may find an airport to fly into that's cheaper, faster, or easier than Prague.

Washington, D.C. to Prague: Flight information

The things to know before you go.
Cheapest flight foundC$538
Cheapest month to flyOctober

Finding cheap flights from Washington Dulles to Prague: Frequently asked questions

The best price we found for a round-trip flight from Washington Dulles to Prague is C$538. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Prague. But we found flights with one or more stops from C$538.
There are no flights flying from Washington Dulles to Prague, as of May 2025.
The cheapest month to fly from Washington Dulles to Prague is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Prague Airport on Sunday, October 5, 2025.
No airlines currently offer direct flights between Washington Dulles Airport and Prague Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Prague but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Prague is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Prague.

Flying from Washington Dulles International Airport (IAD) to Vaclav Havel Airport Prague (PRG): what you need to know

  • Prague is five hours ahead of Washington DC and is in the UTC+1 timezone.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your IAD to PRG flight.

  • Flying during a peak time such as April? School holidays and other high seasons can result in longer queues at airport checkpoints. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Washington Dulles International Airport to Vaclav Havel Airport Prague. Here are the most popular stopovers between IAD and PRG:

    • Frankfurt Airport

    • Amsterdam Airport Schiphol

    • Charles de Gaulle Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Vaclav Havel Airport Prague (PRG)

  • C$262 is currently the best price for a one-way Washington Dulles International Airport to Vaclav Havel Airport Prague flight. A return flight starts from C$538. These fares can change depending on demand and availability.

  • It's usually smart to book as early as possible if you're looking for cheap tickets from IAD to PRG. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Washington Dulles International Airport to Vaclav Havel Airport Prague throughout the month. It's a great way to find a bargain if your dates aren't set in stone.

  • There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from IAD to PRG.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Washington Dulles International Airport to Vaclav Havel Airport Prague.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • When it comes to Washington Dulles International Airport's on-time performance, data shows 74.39% of flights arrive within the scheduled timeframe.

  • To reach Washington Dulles International Airport from central Washington DC, it'll take around 50 minutes by car. Of course, this depends on traffic. It's approximately 56 kilometres from the airport to the city centre.

  • The journey on public transport typically takes 3 hours 25 minutes.

  • Booked an early flight from Washington Dulles International Airport to Vaclav Havel Airport Prague? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels close to IAD:

Arriving at Vaclav Havel Airport Prague (PRG)

Getting from Vaclav Havel Airport Prague (PRG) to central Prague

  • From Vaclav Havel Airport Prague, Prague is approximately 18 kilometres away. It takes around 30 minutes to reach the centre by car.

  • If you're travelling by public transport, expect a journey time of around 50 minutes.

When to fly to Vaclav Havel Airport Prague (PRG)

  • July is the busiest month for flights from Washington Dulles International Airport to Vaclav Havel Airport Prague. To steer clear of the crowds, head to Prague in April.

  • The warmest month in Prague is July, with temperatures ranging between 12ºC (54ºF) and 27ºC (81ºF). Lock in your flights from Washington Dulles International Airport to Vaclav Havel Airport Prague in this month if you enjoy this type of weather.

  • January sees average temperatures of between -8ºC (18ºF) and 5ºC (41ºF). Search for cheap tickets from IAD to PRG around that time if you'd rather travel in cooler conditions.

Explore more of Czechia

  • You've seen Prague, now it's time to discover other corners of Czechia. Travel about 177 kilometres south-east to Brno to tick off its leading sights. From Brno astronomical clock to Old Town Hall and Moravian Museum, you'll have a packed itinerary ahead.

  • Ostrava is another well-known destination in Czechia and is around 274 kilometres east of Prague. No journey is complete without dropping by Silesian-Ostrava Castle, National Cultural Monument Lower Vitkovice and Bolt Tower Cafe.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.