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Dulles Intl

$385+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
May 24 — May 311
Sun 5/24
Sun 5/31
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 April 24, 2026.

This Mytrip deal was found by Cheapflights users on 4/19. 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.
Tue 5/199:00 am
PRG
-
IAD
2 stops16h 20m
Multiple Airlines
Tue 5/268:30 pm
IAD
-
PRG
2 stops14h 15m
Multiple Airlines
Deal found 4/19$672
This Mytrip deal was found by Cheapflights users on 4/20. 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.
Wed 5/65:20 pm
PRG
-
IAD
2 stops32h 00m
Multiple Airlines
Sun 5/108:30 pm
IAD
-
PRG
3 stops33h 40m
Multiple Airlines
Deal found 4/20$711
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/2111:50 am
PRG
-
IAD
1 stop13h 20m
Aer Lingus
Sat 6/65:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/20$723
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/2811:50 am
PRG
-
IAD
1 stop13h 10m
Aer Lingus
Sat 6/135:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/22$740
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Fri 5/2211:50 am
PRG
-
IAD
1 stop13h 35m
Aer Lingus
Sat 6/65:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/19$741
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 6/2311:50 am
PRG
-
IAD
1 stop13h 45m
Aer Lingus
Wed 7/155:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/22$747
This lastminute.com deal was found by Cheapflights users on 4/20. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:50 am
PRG
-
IAD
1 stop13h 35m
Aer Lingus
Wed 5/275:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/20$754
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:50 am
PRG
-
IAD
1 stop13h 45m
Aer Lingus
Tue 5/265:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/19$760
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:50 am
PRG
-
IAD
1 stop13h 10m
Aer Lingus
Sun 5/315:15 pm
IAD
-
PRG
1 stop11h 55m
Aer Lingus
Deal found 4/19$761

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(Mytrip)

One-way from

$385
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$996
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 ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 10/8

8:55 pm-5:00 pm

1 stop26h 05m

Washington, D.C. Dulles Intl

Mon 10/12

8:20 pm-8:15 pm

1 stop17h 55m

$823

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sat 5/9

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 5/13

11:20 pm-1:05 pm

1 stop31h 45m

$856

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 6/25

1:55 pm-11:35 am

1 stop27h 40m

Washington, D.C. Dulles Intl

Fri 7/24

1:20 pm-6:25 pm

1 stop23h 05m

$886

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/28

2:05 pm-8:20 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sat 6/13

10:25 pm-11:10 pm

1 stop18h 45m

$924

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/21

6:00 am-4:54 pm

2 stops16h 54m

Washington, D.C. Dulles Intl

Sat 6/6

6:15 pm-10:50 am

1 stop10h 35m

$930

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/28

6:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 6/13

12:29 pm-8:20 am

2 stops13h 51m

$935
Quickest round-trip

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 5/18

6:15 am-4:27 pm

2 stops16h 12m

Washington, D.C. Dulles Intl

Tue 5/26

3:25 pm-8:30 am

1 stop11h 05m

$942

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/14

6:00 am-4:31 pm

2 stops16h 31m

Washington, D.C. Dulles Intl

Sat 5/30

7:33 pm-5:40 pm

2 stops16h 07m

$946
Cheapest one-way

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 6/12

1:10 pm-10:46 am

2 stops51h 36m

$439

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 5/10

4:20 pm-10:46 am

2 stops48h 26m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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, January is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $638). Flying from Prague to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $996). 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 April 24, 2026.
Read reviews from past customers who have flown KLM,United Airlines, andIcelandair 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.
KLM
7.8
Good
1,508 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,644 reviews
KLM
7.8
Good
1,508 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
639 reviews
KLM
7.8
Good
1,508 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,944 reviews
KLM
7.8
Good
1,508 reviews

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 26h 05m. 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 United Airlines and Lufthansa - these airlines can fly you to your destination from $696 and $700, respectively. Icelandair is priced at 23% 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?

    $508 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from $554 and $626, 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, January is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $638). Flying from Prague to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $996). 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
Tysons
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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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 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$596Average$685FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$696Average$752FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$700Average$828FlexibilityNo cancel feeOn-time76%
KLMCheapest$850Average$1,081FlexibilityNo cancel feeOn-time75%

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