Dulles Intl

$437+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
Jan 11 — Jan 181
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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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/2412:10 pmPRG - IAD
1 stop14h 05mUnited Airlines
Thu 1/85:25 pmIAD - PRG
1 stop14h 30mUnited Airlines
Deal found 12/11$701
This SWISS deal was found by Cheapflights users on 12/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:50 pmPRG - IAD
1 stop31h 50mSWISS
Thu 1/86:20 pmIAD - PRG
2 stops13h 35mSWISS
Deal found 12/11$731
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/2211:50 amPRG - IAD
1 stop32h 45mUnited Airlines
Mon 1/56:10 pmIAD - PRG
2 stops22h 15mUnited Airlines
Deal found 12/10$784
This Expedia deal was found by Cheapflights users on 12/9. 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.
Mon 12/226:55 pmPRG - IAD
1 stop26h 55mLufthansa
Mon 1/56:10 pmIAD - PRG
2 stops14h 05mLufthansa
Deal found 12/9$786
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:35 amPRG - IAD
1 stop32h 10mTurkish Airlines
Wed 1/71:30 pmIAD - PRG
1 stop22h 30mTurkish Airlines
Deal found 12/11$854
This Booking.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/228:15 pmPRG - IAD
1 stop26h 25mMultiple Airlines
Mon 1/55:15 pmIAD - PRG
1 stop10h 20mMultiple Airlines
Deal found 12/9$883
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amPRG - IAD
1 stop16h 05mDelta
Wed 1/76:50 pmIAD - PRG
1 stop16h 15mDelta
Deal found 12/10$885
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/206:50 amPRG - IAD
1 stop13h 45mUnited Airlines
Sun 12/2810:55 pmIAD - PRG
1 stop17h 30mUnited Airlines
Deal found 12/11$886

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 December 12, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$599
(Gotogate)

One-way from

$437
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$875
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. 21% potential increase in price ($218 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($71 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 12, 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

Sat 4/11

10:20 am-4:50 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-5:55 pm

2 stops15h 35m

$627

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 2/5

10:25 am-5:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Wed 2/18

8:30 pm-2:20 pm

1 stop11h 50m

$638

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 4/15

10:20 am-4:50 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-9:40 am

1 stop31h 20m

$644

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 2/26

10:25 am-5:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 3/2

8:30 pm-9:45 am

1 stop31h 15m

$645

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 4/7

3:20 pm-4:50 pm

1 stop31h 30m

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-2:40 pm

1 stop12h 20m

$655

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 4/8

10:20 am-4:50 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-8:50 am

2 stops30h 30m

$657

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 4/9

10:20 am-4:50 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-8:50 am

2 stops30h 30m

$657

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 1/21

10:25 am-5:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 1/26

4:50 pm-9:45 am

1 stop10h 55m

$665

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 2/11

3:00 pm-5:15 pm

1 stop32h 15m

Washington, D.C. Dulles Intl

Sat 2/14

8:30 pm-8:10 pm

1 stop17h 40m

$680

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

Thu 1/8

5:25 pm-1:55 pm

1 stop14h 30m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
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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 December.
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

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 December 12, 2025.
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.

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 12h 30m. Prague and Washington, D.C. Dulles Intl Airport are separated by a distance of 4290 mi.

  • 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 25% 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$596Average$759FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$635FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$665Average$772FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$674Average$824FlexibilityNo cancel feeOn-time76%

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