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$248+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/245:25 pmIAD - PRG
1 stop19h 35mSWISS
Sun 12/289:40 amPRG - IAD
1 stop13h 00mSWISS
Deal found 12/17$718
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmIAD - PRG
1 stop19h 35mSWISS
Tue 1/68:15 pmPRG - IAD
2 stops47h 45mSWISS
Deal found 12/17$758
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/258:30 pmIAD - PRG
1 stop16h 40mSWISS
Sun 12/289:40 amPRG - IAD
1 stop13h 00mSWISS
Deal found 12/17$768
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmIAD - PRG
1 stop19h 35mSWISS
Fri 12/268:20 pmPRG - IAD
1 stop26h 20mSWISS
Deal found 12/17$769
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmIAD - PRG
2 stops23h 15mAustrian Airlines
Sun 12/287:25 amPRG - IAD
1 stop13h 15mAustrian Airlines
Deal found 12/17$780
This CrystalTravel deal was found by Cheapflights users on 12/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:30 pmIAD - PRG
1 stop16h 40mSWISS
Fri 1/96:45 amPRG - IAD
2 stops19h 30mSWISS
Deal found 12/16$781
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:10 pmIAD - PRG
2 stops32h 35mSWISS
Wed 12/246:45 amPRG - IAD
1 stop14h 45mSWISS
Deal found 12/17$782
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/245:25 pmIAD - PRG
1 stop19h 35mMultiple Airlines
Wed 12/317:25 amPRG - IAD
1 stop13h 15mMultiple Airlines
Deal found 12/17$785
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:10 pmIAD - PRG
2 stops56h 30mSWISS
Sun 12/289:40 amPRG - IAD
1 stop13h 00mSWISS
Deal found 12/17$789
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:25 pmIAD - PRG
2 stops23h 15mMultiple Airlines
Fri 1/96:45 amPRG - IAD
2 stops19h 30mMultiple Airlines
Deal found 12/16$796
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:25 pmIAD - PRG
2 stops23h 00mLufthansa
Sun 12/286:45 pmPRG - IAD
2 stops25h 15mLufthansa
Deal found 12/17$807

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$555
(Cheapflightsfares)

One-way from

$248
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$781
Provider with most accurate pricing for Washington, D.C. (WAS)-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Václav Havel Prague flights.
Search Deals
From Washington, D.C. Dulles Intl to Czech Republic
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Czech Republic
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 3/24

1:19 pm-2:20 pm

2 stops20h 01m

Václav Havel Prague

Mon 3/30

10:20 am-4:50 pm

1 stop12h 30m

$559

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 1/26

7:49 pm-6:40 pm

2 stops40h 51m

Václav Havel Prague

Sat 1/31

10:25 am-7:09 pm

2 stops14h 44m

$579

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 3/31

5:40 pm-4:25 pm

1 stop16h 45m

Václav Havel Prague

Mon 4/6

8:55 pm-8:20 pm

1 stop29h 25m

$583

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 1/18

1:30 pm-1:50 pm

1 stop18h 20m

Václav Havel Prague

Sun 1/25

9:35 am-11:45 am

1 stop32h 10m

$585

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-6:45 pm

1 stop16h 25m

Václav Havel Prague

Mon 4/20

9:15 pm-1:30 pm

1 stop22h 15m

$589

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 4/28

1:00 pm-1:45 pm

2 stops18h 45m

Václav Havel Prague

Fri 5/8

6:00 am-3:35 pm

1 stop15h 35m

$591

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 4/28

9:45 pm-9:45 pm

1 stop18h 00m

Václav Havel Prague

Thu 5/7

2:30 pm-12:09 am

2 stops15h 39m

$592

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 3/18

3:35 pm-11:40 am

2 stops15h 05m

Václav Havel Prague

Tue 3/24

6:00 am-10:59 pm

2 stops21h 59m

$597

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 4/8

1:19 pm-10:55 am

2 stops15h 36m

Václav Havel Prague

Wed 4/22

6:00 am-4:29 pm

2 stops16h 29m

$601

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 1/18

4:30 pm-1:05 pm

2 stops14h 35m

Václav Havel Prague

Sun 1/25

8:15 pm-2:00 pm

2 stops47h 45m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 21 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 $433). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $608). 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 December 18, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Czech Republic is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 35% on airfare.

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 December 18, 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
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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
7.5
Good
1,815 reviews
SWISS
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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
1,606 reviews
SWISS
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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
9,091 reviews
SWISS
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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
7,634 reviews
SWISS
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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
7,585 reviews
SWISS
7.5
Good
1,815 reviews

Entertainment

6.8

Crew

8.3

Overall

7.5

Boarding

7.7

Food

7.1

Comfort

7.4

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 16h 45m. 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 cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Czech Republic one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $175. However, be on the lookout for offers from TAP AIR PORTUGAL and Turkish Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Czech Republic for a low price.

  • 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 $433). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $608). 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.
Dulles Intl to Heathrow flights
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Dulles Intl to Gatwick flights
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Baltimore to Gatwick flights
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Reagan-National to Gatwick flights
Baltimore to Charles de Gaulle flights
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Reagan-National to Charles de Gaulle flights
Dulles Intl to Frankfurt flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Orly flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Istanbul flights
Dulles Intl to Zurich flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Dulles Intl to Luton flights
Dulles Intl to Edinburgh flights
Dulles Intl to Keflavik Intl flights
Baltimore to Barcelona-El Prat flights
Baltimore to Istanbul flights
Dulles Intl to Bruxelles-National flights
Reagan-National to Lisbon flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Lisbon flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Vienna flights
Baltimore to Keflavik Intl flights
Baltimore to Athens flights
Dulles Intl to Malpensa flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Reagan-National to Athens flights
Dulles Intl to Geneva flights
Baltimore to Amsterdam flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Copenhagen flights
Dulles Intl to Vicenza 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$563FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$427Average$483FlexibilityNo cancel feeOn-time77%
DeltaCheapest$525Average$777FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$526Average$705FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$528Average$789FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$547Average$688FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$561Average$606FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$563Average$858FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$795FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$611Average$921FlexibilityNo cancel feeOn-timeN/A

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