Dulles Intl

$363+ Cheap flights from Prague (PRG) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
Nov 27 — Dec 41
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Cheap flight deals from Prague to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Prague (PRG) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$608
(Gotogate)

One-way from

$363
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$725
Provider with most accurate pricing for Václav Havel Prague-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Václav Havel Prague-Washington, D.C. Dulles Intl flights.
From Václav Havel Prague to Washington, D.C. Dulles Intl
One-way flight from Václav Havel Prague to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 23% potential increase in price ($239 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($72 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Prague to Dulles Intl

Cheapest flights from Prague to Dulles Intl
Explore the most affordable flight options available from Prague to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Gotogate deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:50 pmPRG - IAD
1 stop11h 40mIcelandair
Sun 11/167:40 pmIAD - PRG
1 stop10h 15mIcelandair
Deal found 10/26$638
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amPRG - IAD
1 stop15h 35mMultiple Airlines
Sun 12/289:00 pmIAD - PRG
1 stop16h 05mMultiple Airlines
Deal found 10/27$646
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Sat 1/248:30 pmIAD - PRG
1 stop31h 15mScandinavian Airlines
Deal found 10/26$651
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:50 pmPRG - IAD
1 stop11h 40mIcelandair
Fri 11/287:40 pmIAD - PRG
1 stop10h 15mIcelandair
Deal found 10/27$654
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Wed 12/108:30 pmIAD - PRG
1 stop11h 50mScandinavian Airlines
Deal found 10/28$663
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:45 pmPRG - IAD
1 stop12h 20mLufthansa
Wed 12/3110:55 pmIAD - PRG
1 stop11h 10mLufthansa
Deal found 10/28$674
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:35 amPRG - IAD
1 stop14h 15mLufthansa
Sun 11/2310:55 pmIAD - PRG
1 stop17h 30mLufthansa
Deal found 10/26$676
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:25 amPRG - IAD
2 stops14h 56mUnited Airlines
Sun 11/308:30 pmIAD - PRG
1 stop11h 25mUnited Airlines
Deal found 10/26$680
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:25 amPRG - IAD
1 stop11h 25mMultiple Airlines
Sun 11/238:30 pmIAD - PRG
1 stop16h 30mMultiple Airlines
Deal found 10/27$681
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:25 amPRG - IAD
1 stop13h 10mUnited Airlines
Wed 12/35:40 pmIAD - PRG
1 stop16h 25mUnited Airlines
Deal found 10/27$682

Cheapflights Fare Finder

 
Customize your flight search to find flights from Prague to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Prague to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Prague

Fly to

Dulles Intl

Route

Depart

Return

Price

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 1/9

7:35 am-2:35 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Tue 1/13

12:40 pm-1:55 pm

2 stops19h 15m

$678

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sat 12/6

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Fri 12/12

7:40 pm-11:55 am

1 stop10h 15m

$680

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 12/5

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Fri 12/12

7:40 pm-11:55 am

1 stop10h 15m

$680

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 3/6

7:35 am-8:15 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Tue 3/10

5:25 pm-1:55 pm

1 stop15h 30m

$680

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 11/23

7:25 am-4:21 pm

2 stops14h 56m

Washington, D.C. Dulles Intl

Wed 12/3

5:40 pm-4:05 pm

1 stop16h 25m

$682

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sat 1/24

7:35 am-2:35 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Sat 2/7

5:20 pm-1:55 pm

2 stops14h 35m

$682

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 12/24

12:10 pm-8:15 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Mon 12/29

6:00 pm-11:05 am

1 stop11h 05m

$685

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 1/8

11:50 am-8:15 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Fri 2/13

6:00 pm-2:05 pm

1 stop14h 05m

$687

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 12/5

12:10 pm-8:15 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Mon 12/15

5:15 pm-11:05 am

1 stop11h 50m

$687

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 12/9

11:50 am-8:15 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 12/14

10:00 pm-10:25 pm

1 stop18h 25m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 17 results
1
2

Compare providers for flights from Prague to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Prague to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Prague-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Prague-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Prague-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Prague to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Prague with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Prague to Washington, D.C. Dulles Intl Airport

What’s the top layover airport for flights from Prague to Washington, D.C. Dulles Intl Airport?

Share of 1-stop round-trip flights from Prague to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

London (LHR) – chosen by Cheapflights users on 54% of 1-stop itineraries from Prague to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the fastest layover option from Prague to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Prague to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 11h 23m.

What’s the fastest layover option from Prague to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Prague to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 11h 23m.

Which airport typically offers the quickest layover for flights from Prague to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Prague to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 24m.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated October 28, 2025.
Read reviews from past customers who have flown KLM, United Airlines, and Icelandair from Prague to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Crew

8.4

Boarding

7.8

Overall

7.7

Comfort

7.7

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Prague to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Prague to Washington, D.C. Dulles Intl?

    Václav Havel Prague (PRG) is the airport you will fly out of if you book a flight from Prague to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Václav Havel Prague; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Prague airport to Washington, D.C. Dulles Intl. It is only a 6.9 mi journey to Václav Havel Prague (PRG) from Prague’s city center.

  • How long is the flight from Prague to Washington, D.C. Dulles Intl Airport?

    Departing from Prague to Washington, D.C. Dulles Intl Airport will take you 11h 40m. Prague and Washington, D.C. Dulles Intl Airport are separated by a distance of 4290 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Prague to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $596, Icelandair will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $627 and $665, respectively. Icelandair is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Prague to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Prague to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Prague to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to Dulles Intl.

  • Can I find deals for business class flights from Prague to Dulles Intl?

    Yes. Cheapflights offers flight deals from Prague to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Prague to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Prague to Dulles Intl

Discover the top 5 airlines that operate flights from Prague to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$596Average$759FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$637FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$665Average$790FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$667Average$825FlexibilityNo cancel feeOn-time76%
KLMCheapest$850Average$1,094FlexibilityNo cancel feeOn-time75%

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