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Dulles Intl

$347+ Cheap flights from the Czech Republic 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap flight deals from Czech Republic to Dulles Intl

Cheapest flights from Czech Republic to Dulles Intl
Explore the most affordable flight options available from Czech Republic to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

This United Airlines deal was found by Cheapflights users on 2/5. 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 12/711:50 am
PRG
-
IAD
1 stop14h 25m
United Airlines
Tue 12/812:35 pm
IAD
-
PRG
2 stops27h 50m
United Airlines
Deal found 2/5$563
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/299:30 pm
PRG
-
IAD
1 stop25h 20m
Scandinavian Airlines
Sun 4/128:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Deal found 2/4$629
This Gotogate deal was found by Cheapflights users on 2/6. 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.
Sat 3/2812:50 pm
PRG
-
IAD
1 stop11h 40m
Icelandair
Fri 4/108:30 pm
IAD
-
PRG
1 stop10h 35m
Icelandair
Deal found 2/6$630
This Gotogate deal was found by Cheapflights users on 2/3. 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.
Fri 3/612:50 pm
PRG
-
IAD
1 stop11h 40m
Icelandair
Sun 3/228:40 pm
IAD
-
PRG
1 stop10h 15m
Icelandair
Deal found 2/3$635
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/299:30 pm
PRG
-
IAD
1 stop25h 20m
Scandinavian Airlines
Wed 4/88:20 pm
IAD
-
PRG
1 stop12h 20m
Scandinavian Airlines
Deal found 2/3$645
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/2510:25 am
PRG
-
IAD
1 stop12h 50m
Scandinavian Airlines
Thu 4/98:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Deal found 2/3$646
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/2510:25 am
PRG
-
IAD
1 stop12h 50m
Scandinavian Airlines
Sat 4/118:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Deal found 2/3$647
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/2510:25 am
PRG
-
IAD
1 stop12h 50m
Scandinavian Airlines
Mon 4/68:20 pm
IAD
-
PRG
1 stop12h 20m
Scandinavian Airlines
Deal found 2/3$648
This oojo deal was found by Cheapflights users on 2/3. 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 4/153:20 pm
PRG
-
IAD
1 stop31h 30m
Scandinavian Airlines
Wed 4/228:20 pm
IAD
-
PRG
1 stop17h 55m
Scandinavian Airlines
Deal found 2/3$651
This FlightHub deal was found by Cheapflights users on 2/5. 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.
Mon 3/212:50 pm
PRG
-
IAD
1 stop11h 40m
Icelandair
Thu 4/98:30 pm
IAD
-
PRG
1 stop10h 35m
Icelandair
Deal found 2/5$652

Find flight deals from Czech Republic to Dulles Intl

Keep the following information in mind while searching for Czech Republic to Dulles Intl flight deals. Data was last updated February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(Kiwi.com)

One-way from

$347
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$755
Provider with most accurate pricing for Václav Havel Prague-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Václav Havel Prague-Washington, D.C. (WAS) flights.
Search Deals
From Czech Republic to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Czech Republic to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($66 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 February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Czech Republic 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 February 7, 2026.
Use the filters below to find and compare flights from the Czech Republic to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Czech Republic

Fly to

Dulles Intl

Route

Depart

Return

Price

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 3/29

9:30 pm-4:50 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Sun 4/12

8:20 pm-9:40 am

1 stop31h 20m

$629

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sat 3/28

12:50 pm-7:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Fri 4/10

8:30 pm-1:05 pm

1 stop10h 35m

$630

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 3/29

9:30 pm-4:50 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-8:15 pm

1 stop17h 55m

$647

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 3/2

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Thu 4/9

8:30 pm-1:05 pm

1 stop10h 35m

$652

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 2/24

7:20 pm-5:15 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-2:40 pm

1 stop12h 20m

$668

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 3/2

10:25 am-5:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 4/9

8:20 pm-8:50 am

2 stops30h 30m

$671

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 3/23

9:10 pm-8:30 pm

2 stops28h 20m

Washington, D.C. Dulles Intl

Mon 3/30

8:40 pm-8:05 pm

1 stop17h 25m

$699

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 3/24

7:20 pm-6:15 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Sun 4/12

8:20 pm-2:40 pm

1 stop12h 20m

$699

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 4/15

4:30 pm-7:27 am

3 stops44h 57m

$347

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 4/8

7:30 pm-8:20 pm

2 stops30h 50m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 15 results
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Best time to book a flight from Czech Republic to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Czech Republic 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 the Czech Republic to Washington, D.C. Dulles Intl Airport

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

Currently, November is the cheapest month in which you can book a flight from Czech Republic to Washington, D.C. Dulles Intl Airport (average of $483). Flying from Czech Republic 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.

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 February 7, 2026.
Peruse reviews from past customers who have flown with United Airlines, Icelandair, and Lufthansa from the Czech Republic to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,246 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

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
9,246 reviews
United Airlines
7.4
Good
9,246 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

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
606 reviews
United Airlines
7.4
Good
9,246 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

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
7,769 reviews
United Airlines
7.4
Good
9,246 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

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
7,719 reviews
United Airlines
7.4
Good
9,246 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

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 Czech Republic to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Scandinavian Airlines and Icelandair fly from Czech Republic to Washington, D.C. Dulles Intl Airport in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 13h 40m. Czech Republic 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 to fly from Czech Republic to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $554. Users have also found prices from $626 and $935 on Lufthansa and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Czech Republic 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 Czech Republic to Washington, D.C. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Czech Republic to Washington, D.C. Dulles Intl Airport (average of $483). Flying from Czech Republic 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
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Czech Republic to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Dulles Intl flights
Heathrow to Baltimore flights
Charles de Gaulle to Baltimore flights
Istanbul to Dulles Intl flights
Gatwick to Dulles Intl flights
Frankfurt to Baltimore flights
Frederic Chopin to Dulles Intl flights
Stansted to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Madrid to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Bruxelles-National to Dulles Intl flights
Orly to Dulles Intl flights
Luton to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Gatwick to Baltimore flights
Amsterdam to Dulles Intl flights
Vienna to Dulles Intl flights
Frederic Chopin to Baltimore flights
Gatwick to Reagan-National flights
Frederic Chopin to Reagan-National flights
Dublin to Dulles Intl flights
Frankfurt to Reagan-National flights
Munich to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Madrid to Reagan-National flights
Zurich to Dulles Intl flights
Istanbul to Reagan-National flights
Madrid to Baltimore flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Bruxelles-National to Baltimore flights
Malpensa to Dulles Intl flights
Istanbul to Baltimore flights
Leonardo da Vinci/Fiumicino to Baltimore flights
Vicenza to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Oslo Gardermoen to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Barcelona-El Prat to Baltimore flights
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Linate to Baltimore flights
Stansted to Baltimore flights
Oslo Gardermoen to Baltimore flights
Dublin to Reagan-National flights

Top 4 airlines flying from Czech Republic to Dulles Intl

Discover the top 4 airlines that operate flights from Czech Republic 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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$596Average$759FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$631Average$641FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$665Average$790FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$667Average$824FlexibilityNo cancel feeOn-time76%

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