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Dulles Intl

$414+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:15 pm
PRG
-
IAD
1 stop26h 00m
TAP AIR PORTUGAL
Tue 2/245:30 pm
IAD
-
PRG
1 stop12h 10m
TAP AIR PORTUGAL
Deal found 1/26$525
This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:20 pm
PRG
-
IAD
1 stop31h 30m
Scandinavian Airlines
Sun 10/118:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Deal found 1/26$653
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:30 am
PRG
-
IAD
1 stop16h 00m
Multiple Airlines
Tue 2/106:00 pm
IAD
-
PRG
1 stop17h 00m
Multiple Airlines
Deal found 1/26$670
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:25 am
PRG
-
IAD
1 stop12h 50m
Scandinavian Airlines
Wed 2/118:30 pm
IAD
-
PRG
1 stop11h 50m
Scandinavian Airlines
Deal found 1/26$674
This Finnair deal was found by Cheapflights users on 1/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:40 am
PRG
-
IAD
2 stops17h 40m
Finnair
Fri 7/3110:25 pm
IAD
-
PRG
2 stops27h 30m
Finnair
Deal found 1/25$676
This Finnair deal was found by Cheapflights users on 1/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:20 pm
PRG
-
IAD
1 stop24h 30m
Multiple Airlines
Fri 7/3110:25 pm
IAD
-
PRG
2 stops27h 30m
Multiple Airlines
Deal found 1/26$681
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:50 pm
PRG
-
IAD
1 stop26h 25m
Scandinavian Airlines
Sun 4/58:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Deal found 1/27$686
This Booking.com deal was found by Cheapflights users on 1/25. 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.
Sun 2/810:30 am
PRG
-
IAD
1 stop11h 20m
Multiple Airlines
Tue 2/248:30 pm
IAD
-
PRG
1 stop16h 30m
Multiple Airlines
Deal found 1/25$706

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(Kiwi.com)

One-way from

$414
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$638
Provider with most accurate pricing for Václav Havel Prague-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Václav Havel Prague-Washington, D.C. Dulles Intl flights.
Search Deals
From Václav Havel Prague to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Václav Havel Prague to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Sun 2/8

7:15 pm-3:15 pm

1 stop26h 00m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:40 am

1 stop12h 10m

$529

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 7/1

8:40 am-8:20 pm

2 stops17h 40m

Washington, D.C. Dulles Intl

Fri 7/31

10:25 pm-7:55 am

2 stops27h 30m

$677

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 7/1

9:20 pm-3:50 pm

1 stop24h 30m

Washington, D.C. Dulles Intl

Fri 7/31

10:25 pm-7:55 am

2 stops27h 30m

$681

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 3/15

8:50 pm-6:15 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Sun 4/5

8:20 pm-9:40 am

1 stop31h 20m

$686

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 2/8

10:30 am-3:50 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Tue 2/24

8:30 pm-7:00 pm

1 stop16h 30m

$706

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 2/6

12:10 pm-8:15 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Sat 2/14

8:30 pm-1:55 pm

1 stop11h 25m

$707

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 2/6

7:35 am-8:15 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Tue 2/10

8:30 pm-1:55 pm

1 stop11h 25m

$707

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 2/8

3:00 pm-8:15 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Sat 2/14

5:40 pm-4:05 pm

1 stop16h 25m

$710

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 2/6

7:35 am-2:35 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Fri 2/13

10:00 pm-10:25 pm

1 stop18h 25m

$712

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 2/6

7:35 am-3:50 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 2/12

10:00 pm-2:40 pm

1 stop10h 40m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 18 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Prague-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 is the cheapest month to book a flight from Prague to Washington, D.C. Dulles Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $483). Flying from Prague to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $675). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Prague to Washington, D.C. Dulles Intl Airport?

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 January 27, 2026.
Read reviews from past customers who have flown United Airlines, Icelandair, and Lufthansa 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.
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Icelandair
7.1
Good
603 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Lufthansa
6.8
Okay
7,749 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,702 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 4 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 17h 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 18% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Prague to Washington, D.C. Dulles Intl Airport one-way?

    $554 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from $626 and $935, respectively.

  • 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.

  • What is the cheapest month to book a flight from Prague to Washington, D.C. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $483). Flying from Prague to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $675). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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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.
Prague to Reagan-National flights
Prague to Baltimore flights

Top 4 airlines flying from Prague to Dulles Intl

Discover the top 4 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$596Average$759FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$639FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$665Average$790FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$667Average$824FlexibilityNo cancel feeOn-time76%

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