$305 Cheap Flights from Washington (IAD) to Prague (PRG)
Popular airlines from Washington Dulles Intl. Airport (IAD) to Vaclav Havel Airport (PRG)
British AirwaysBritish Airways
LufthansaLufthansa
TAP PortugalTAP Portugal
Austrian AirlinesAustrian Airlines
Swiss International Air LinesSwiss International Air Lines
Turkish AirlinesTurkish Airlines
SASSAS
Cheap Flights from Washington to Prague (IAD-PRG)
Alternative airports near Prague
Prices were available within the past 7 days. Prices and availability are subject to change.
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Washington (IAD) to Prague (PRG) at a glance
Embark on an unforgettable journey with various airlines offering flights from Washington Dulles International Airport (IAD) to Václav Havel Airport (PRG) in Prague. Explore options among full-service carriers to find the itinerary that aligns with your budget and schedule as you plan your adventure through the enchanting sights and neighborhoods of Prague. Discover essential details for your travel from Washington to Prague, ensuring a seamless experience on this international long-haul route.
- Fastest flight duration: around 9h 15m in-flight, plus roughly 2 hours layover with one stop
- Route distance: roughly 4,300 miles (6,920 km)
- Flights per week: around 11 departures on average
- Typical fares (one-way): economy tickets often range from $255–$705, depending on seasonality and how far ahead you book
Flights from Washington Dulles International Airport (IAD) to Vaclav Havel Airport (PRG)
Based on the latest traveler bookings, here are the top airlines favored by passengers flying from Washington to Prague, particularly for one-stop and multi-stop flights. Popular layover options include Frankfurt International Airport (FRA, approximately 1h 15m), Dublin Airport (DUB, around 2h 30m), and Zürich Airport (ZRH, about 2 hours). These choices allow you to mix and match pricing, total travel duration, and cabin class, helping you to create the best itinerary for your journey.
- United: As a comprehensive carrier, United provides one-stop service with one-way fares generally falling between $300 and $745. This airline accounts for about 37% of flights on this route, with a flight duration of 9 hours and 15 minutes, totaling approximately 11 hours and 30 minutes when including layover time.
- Aer Lingus: Offering one-stop service, Aer Lingus is a full-service airline with one-way ticket prices typically ranging from $275 to $595. This carrier represents around 10% of departures on this route, featuring an in-flight duration of 9 hours and 15 minutes, and a complete travel time of roughly 11 hours and 30 minutes, including layovers.
- British Airways: British Airways is another full-service option that provides one-stop flights, with one-way fares usually between $260 and $655. It covers about 9% of the departures for this route, featuring an in-flight time of 9 hours and 15 minutes and an estimated total journey duration of around 11 hours and 30 minutes, factoring in layover time.
- SAS: Operating as a full-service carrier, SAS offers both one-stop and multi-stop services, with one-way fares typically between $255 and $465. This airline accounts for nearly 7% of flights on this route, with a standard in-flight time of 9 hours and 15 minutes and a total journey time of approximately 11 hours and 30 minutes.
- Icelandair: A full-service carrier, Icelandair provides one-stop service with one-way fares generally ranging from $255 to $1305. It makes up about 6% of the departures for this route, featuring an in-flight time of 9 hours and 15 minutes, with a total journey duration of roughly 11 hours and 30 minutes, including layover periods.
Travelers can enhance their journey from Washington to Prague by upgrading to business class with Icelandair or Turkish Airlines, both providing superior seating and service for this route.
Best time to fly from Washington (IAD) to Prague (PRG)
The most popular months for travelers flying from Washington to Prague are March, April, and June, when peak temperatures in Prague reach up to 63.9°F in June. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.4°F. For better deals, August and November usually offer the lowest average one-way fares around $407. Flight availability peaks in May, with approximately 15 flights per week, making it easier to find convenient departure times. January, February, and April have the fewest flights, with approximately 9 flights per week.
- Cheapest time to fly: August and November usually offer good deals with average one-way fares around $407, roughly 15% cheaper than the yearly average.
- More budget-friendly months to fly: January and March typically offer average one-way fares of around $438.
- Most flight options: May has the highest number of flights from Washington to Prague, with approximately 15 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 31.5°F (-0.3°C) | Low | 9 | $438 |
| February | 33.3°F (0.7°C) | Low | 9 | $475 |
| March | 40.5°F (4.7°C) | High | 13 | $439 |
| April | 48.6°F (9.2°C) | High | 9 | $493 |
| May | 55.8°F (13.2°C) | Average | 15 | $489 |
| June | 63.9°F (17.7°C) | High | 14 | $575 |
| July | 67.5°F (19.7°C) | Average | 11 | $565 |
| August | 67.5°F (19.7°C) | Average | 11 | $407 |
| September | 59.4°F (15.2°C) | Average | 11 | $516 |
| October | 50.0°F (10.0°C) | Average | 14 | $450 |
| November | 41.4°F (5.2°C) | Low | 11 | $407 |
| December | 34.7°F (1.5°C) | Average | 11 | $510 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Washington (IAD) to Prague (PRG)
- Washington to Prague (DCA-PRG): Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD), providing travelers with convenient options for their journey.
How to find the best prices for flights from Washington (IAD) to Prague (PRG)
Getting some of the best deals on flights from Washington to Prague is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Evening departures between 6 PM and midnight are not only more affordable but also the most popular. Additionally, flying on Sunday generally offers lower prices, while Tuesday remains the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Vaclav Havel Airport from Washington Dulles International Airport
Prague welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Prague efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Prague, with private rides that can be arranged in advance.
- Car rental: Renting a car from Vaclav Havel Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Vaclav Havel Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Vaclav Havel Airport, several transportation options are conveniently located nearby. Středokluky Station, a train station, is about 3.2 miles from the airport, while Divoká Šárka Stop, a metro station, is approximately 4 miles away by car. For those looking to reach the waterfront, Prague Seaport, a seaport, is situated around 9 miles from the airport, all typically accessed by car.
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 November. 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 $305 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.
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 $305 and cheap return flights $651 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. Airport |
|---|---|
Destination airport | Vaclav Havel Airport |
Distance | 4,292 miles away |
Airlines serving | British Airways, Lufthansa, TAP Portugal, Austrian Airlines, Swiss International Air Lines, Turkish Airlines, SAS, Brussels Airlines, Air Canada, Aer Lingus, Iberia, KLM, American Airlines, United, Delta, Air France, Icelandair, Finnair |
Popular airline | British Airways |
Roundtrip price | $651 |