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$246+ Cheap flights from Dulles Intl (IAD) to the Czech Republic

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Czech Republic

Keep the following information in mind while searching for Dulles Intl to Czech Republic flight deals. Data was last updated September 16, 2025.

Round-trip from

$468
(FlightHub)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$708
From Washington, D.C. Dulles Intl to Czech Republic
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Czech Republic
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Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Czech Republic

Cheapest flights from Dulles Intl to Czech Republic
Explore the most affordable flight options available from Dulles Intl to Czech Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo deal was found by Cheapflights users on 9/15. 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 10/155:50 pmIAD - PRG
1 stop12h 40mTAP AIR PORTUGAL
Tue 10/217:30 pmPRG - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 9/15$469
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:11 pmIAD - PRG
2 stops20h 09mScandinavian Airlines
Mon 11/2410:25 amPRG - IAD
2 stops14h 43mScandinavian Airlines
Deal found 9/15$473
This SmartFares deal was found by Cheapflights users on 9/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:59 pmIAD - PRG
2 stops42h 26mScandinavian Airlines
Wed 11/1910:25 amPRG - IAD
2 stops31h 06mScandinavian Airlines
Deal found 9/16$474
This oojo deal was found by Cheapflights users on 9/15. 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 12/1010:30 pmIAD - PRG
1 stop13h 55mTAP AIR PORTUGAL
Mon 12/1512:30 pmPRG - IAD
1 stop32h 05mTAP AIR PORTUGAL
Deal found 9/15$477
This FlightHub deal was found by Cheapflights users on 9/14. 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 11/1512:11 pmIAD - PRG
2 stops15h 34mScandinavian Airlines
Wed 11/1910:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Deal found 9/14$478
This FlightHub deal was found by Cheapflights users on 9/14. 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 12/155:30 pmIAD - PRG
1 stop18h 55mTAP AIR PORTUGAL
Thu 12/257:15 pmPRG - IAD
1 stop31h 45mTAP AIR PORTUGAL
Deal found 9/14$480
This oojo deal was found by Cheapflights users on 9/16. 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 11/510:30 pmIAD - PRG
1 stop30h 35mTAP AIR PORTUGAL
Wed 11/1912:30 pmPRG - IAD
1 stop32h 45mTAP AIR PORTUGAL
Deal found 9/16$481
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:05 pmIAD - PRG
1 stop16h 00mScandinavian Airlines
Wed 10/2210:25 amPRG - IAD
1 stop15h 34mScandinavian Airlines
Deal found 9/16$482
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:09 pmIAD - PRG
2 stops26h 06mScandinavian Airlines
Thu 10/3010:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Deal found 9/15$483
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/910:05 pmIAD - PRG
1 stop16h 10mScandinavian Airlines
Thu 10/1610:55 amPRG - IAD
2 stops15h 04mScandinavian Airlines
Deal found 9/14$485
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/158:30 pmIAD - PRG
1 stop11h 50mScandinavian Airlines
Mon 11/1710:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Deal found 9/15$486
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 12/115:30 pmIAD - PRG
1 stop11h 35mTAP AIR PORTUGAL
Thu 12/257:15 pmPRG - IAD
1 stop31h 45mTAP AIR PORTUGAL
Deal found 9/15$487

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Czech Republic 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to the Czech Republic that are best for you.

Fly from

Dulles Intl

Fly to

Czech Republic

Route

Depart

Return

Price

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

9:45 pm-5:30 pm

1 stop13h 45m

Václav Havel Prague

Mon 2/23

7:00 pm-3:35 pm

1 stop26h 35m

$521

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 1/13

8:30 pm-1:55 pm

1 stop11h 25m

Václav Havel Prague

Tue 1/27

7:25 am-4:24 pm

2 stops14h 59m

$521

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 10/29

6:40 pm-1:05 pm

1 stop13h 25m

Václav Havel Prague

Wed 11/5

12:10 pm-8:15 pm

1 stop14h 05m

$523

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

6:20 pm-10:25 pm

2 stops22h 05m

Václav Havel Prague

Wed 12/10

12:10 pm-8:15 pm

1 stop14h 05m

$527

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 11/19

4:25 pm-1:05 pm

2 stops14h 40m

Václav Havel Prague

Tue 11/25

7:25 am-8:54 pm

2 stops19h 29m

$530

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/16

10:05 pm-10:10 am

2 stops30h 05m

Václav Havel Prague

Thu 10/30

10:25 am-6:15 pm

1 stop12h 50m

$551

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 12/10

10:00 pm-10:25 pm

1 stop18h 25m

Václav Havel Prague

Mon 12/15

3:10 pm-5:30 pm

2 stops32h 20m

$557

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 12/6

8:30 pm-2:20 pm

1 stop11h 50m

Václav Havel Prague

Sat 12/13

10:25 am-7:19 pm

2 stops14h 54m

$564

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 11/14

8:30 pm-1:55 pm

1 stop11h 25m

Václav Havel Prague

Wed 11/19

7:30 am-3:50 pm

1 stop14h 20m

$571

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 12/14

9:45 pm-8:45 pm

1 stop17h 00m

Václav Havel Prague

Mon 12/22

9:35 pm-3:35 pm

1 stop24h 00m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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Best time to book a flight from Dulles Intl to Czech Republic

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Czech Republic (average of $651). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $1,119). 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.

What is the cheapest time of day to fly from IAD to CZ?

Find hourly flight availability from Dulles Intl to Czech Republic. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Czech Republic, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Czech Republic

Get insights into the airlines that provide service to Czech Republic. 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 Czech Republic. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to the Czech Republic, such as SWISS, Scandinavian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
SWISS
7.6
Good
1,737 reviews
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Scandinavian Airlines
7.4
Good
1,486 reviews
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
United Airlines
7.4
Good
8,924 reviews
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Lufthansa
6.8
Okay
7,407 reviews
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
British Airways
6.7
Okay
7,363 reviews
SWISS
7.6
Good
1,737 reviews

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Czech Republic. 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 Washington, D.C. Dulles Intl Airport to Czech Republic?

    Departing from Washington, D.C. Dulles Intl Airport to Czech Republic will take you 11h 25m. There are 4290 mi between Washington, D.C. Dulles Intl Airport and Czech Republic. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Czech Republic?

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to Czech Republic consider Washington, D.C. Dulles Intl - Václav Havel Prague, Washington, D.C. Dulles Intl - Brno Turany or Washington, D.C. Dulles Intl - Carlsbad Karlovy Vary as they are the most popular.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Czech Republic (average of $651). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $1,119). 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

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Alternative routes for Dulles Intl to Czech Republic

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Charles de Gaulle flights
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Dulles Intl to Barcelona-El Prat flights
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Reagan-National to Charles de Gaulle flights
Reagan-National to Gatwick flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Munich flights
Dulles Intl to Amsterdam flights
Reagan-National to Orly flights
Dulles Intl to Bruxelles-National flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Athens flights
Dulles Intl to Stansted flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Zurich flights
Baltimore to Keflavik Intl flights
Reagan-National to Istanbul flights
Dulles Intl to Luton flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Baltimore to Dublin flights
Dulles Intl to Vienna flights
Reagan-National to Dublin flights
Baltimore to Istanbul flights
Dulles Intl to Edinburgh flights
Dulles Intl to Geneva flights
Reagan-National to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Sabiha Gokcen flights
Baltimore to Barcelona-El Prat flights
Baltimore to London City flights
Reagan-National to Frankfurt flights
Dulles Intl to Vicenza flights
Dulles Intl to Beauvais-Tille flights
Baltimore to Frankfurt flights

Top 10 airlines flying from Dulles Intl to Czech Republic

Discover the top 10 airlines that operate flights from Dulles Intl to Czech Republic. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$401Average$530FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$427Average$478FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$520Average$687FlexibilityNo cancel feeOn-time70%
DeltaCheapest$525Average$869FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$528Average$830FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$563Average$873FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$832FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$566Average$599FlexibilityNo cancel feeOn-time77%
SWISSCheapest$571Average$704FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$578Average$822FlexibilityNo cancel feeOn-timeN/A

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