Dulles Intl

$358+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
ago. 3 — ago. 101
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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 julio 29, 2025.

Round-trip from

$658
(United Airlines)

One-way from

$358
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$828
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. 9% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in July 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 julio 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
vie. 9/56:00 amPRG - IAD
2 stops16h 18mUnited Airlines
dom. 9/215:40 pmIAD - PRG
1 stop16h 20mUnited Airlines
Deal found 7/29$658
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/206:00 amPRG - IAD
1 stop13h 30mMultiple Airlines
sáb. 9/278:45 pmIAD - PRG
1 stop11h 20mMultiple Airlines
Deal found 7/28$659
This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:00 amPRG - IAD
1 stop20h 00mLufthansa
mié. 10/110:20 pmIAD - PRG
1 stop17h 00mLufthansa
Deal found 7/27$663
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/217:40 amPRG - IAD
2 stops14h 47mAir Canada
jue. 11/271:20 pmIAD - PRG
2 stops13h 25mAir Canada
Deal found 7/28$668
This deal was found by Cheapflights users on 7/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:20 amPRG - IAD
1 stop15h 55mSWISS
lun. 9/298:45 pmIAD - PRG
1 stop11h 20mSWISS
Deal found 7/27$670
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1810:25 amPRG - IAD
1 stop15h 34mScandinavian Airlines
sáb. 10/410:05 pmIAD - PRG
2 stops16h 15mScandinavian Airlines
Deal found 7/28$677
This Icelandair deal was found by Cheapflights users on 7/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/122:00 pmPRG - IAD
1 stop14h 10mIcelandair
dom. 12/217:40 pmIAD - PRG
1 stop10h 20mIcelandair
Deal found 7/27$679
This deal was found by Cheapflights users on 7/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:30 amPRG - IAD
1 stop13h 05mAustrian Airlines
vie. 9/265:25 pmIAD - PRG
1 stop11h 10mAustrian Airlines
Deal found 7/27$682
This deal was found by Cheapflights users on 7/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/206:50 amPRG - IAD
1 stop12h 40mBrussels Airlines
vie. 9/265:35 pmIAD - PRG
1 stop11h 25mBrussels Airlines
Deal found 7/27$686
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/126:55 amPRG - IAD
1 stop16h 35mAmerican Airlines
lun. 12/2210:45 amIAD - PRG
2 stops27h 50mAmerican Airlines
Deal found 7/27$702
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/119:35 pmPRG - IAD
1 stop25h 55mBritish Airways
dom. 12/215:50 pmIAD - PRG
2 stops20h 55mBritish Airways
Deal found 7/27$705

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 julio 29, 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

vie. 9/5

6:00 am-4:18 pm

2 stops16h 18m

Washington, D.C. Dulles Intl

dom. 9/21

5:40 pm-4:00 pm

1 stop16h 20m

$658

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

sáb. 9/20

6:00 am-1:30 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

sáb. 9/27

8:45 pm-2:05 pm

1 stop11h 20m

$659

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

jue. 9/18

6:00 am-8:00 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

mié. 10/1

10:20 pm-9:20 pm

1 stop17h 00m

$663

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

vie. 11/21

7:40 am-4:27 pm

2 stops14h 47m

Washington, D.C. Dulles Intl

jue. 11/27

1:20 pm-8:45 am

2 stops13h 25m

$668

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

lun. 9/22

6:20 am-4:15 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

lun. 9/29

8:45 pm-2:05 pm

1 stop11h 20m

$670

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

jue. 9/18

10:25 am-7:59 pm

1 stop15h 34m

Washington, D.C. Dulles Intl

sáb. 10/4

10:05 pm-8:20 pm

2 stops16h 15m

$677

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

dom. 10/12

2:00 pm-10:10 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

dom. 12/21

7:40 pm-12:00 pm

1 stop10h 20m

$679

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

lun. 9/22

7:30 am-2:35 pm

1 stop13h 05m

Washington, D.C. Dulles Intl

mar. 9/30

5:25 pm-10:35 am

1 stop11h 10m

$682

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

sáb. 9/20

6:50 am-1:30 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

vie. 9/26

5:35 pm-11:00 am

1 stop11h 25m

$686

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

dom. 10/12

6:55 am-5:30 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

lun. 12/22

10:45 am-8:35 pm

2 stops27h 50m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 results
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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?

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 cheapest layover airport for flights from Prague to Washington, D.C. Dulles Intl Airport?

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

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $506.

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 Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 8h 22m.

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 julio 29, 2025.
Read reviews from past customers who have flown Austrian Airlines, Finnair, and SWISS 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

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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.

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

    Currently priced at $658, United Airlines will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Air Canada - these airlines can fly you to your destination from $663 and $668, respectively. United Airlines is priced at 8% 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?

    $445 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from $594 and $612, 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, July is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Prague to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
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 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$613Average$810FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$644FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$653Average$754FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$667Average$825FlexibilityNo cancel feeOn-time76%

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