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$278+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 11/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:19 pmIAD - PRG
2 stops20h 01mScandinavian Airlines
Mon 2/2310:25 amPRG - IAD
1 stop12h 50mScandinavian Airlines
Deal found 11/3$493
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Sat 12/612:19 pmIAD - PRG
2 stops15h 26mScandinavian Airlines
Wed 12/1010:25 amPRG - IAD
2 stops14h 54mScandinavian Airlines
Deal found 11/1$495
This SmartFares deal was found by Cheapflights users on 11/1. 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 12/17:49 pmIAD - PRG
2 stops31h 56mScandinavian Airlines
Tue 12/93:00 pmPRG - IAD
2 stops34h 19mScandinavian Airlines
Deal found 11/1$496
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Tue 12/212:19 pmIAD - PRG
2 stops20h 01mScandinavian Airlines
Fri 12/59:05 pmPRG - IAD
1 stop27h 45mScandinavian Airlines
Deal found 11/1$505
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Tue 12/212:19 pmIAD - PRG
2 stops15h 26mScandinavian Airlines
Tue 12/237:20 pmPRG - IAD
1 stop27h 55mScandinavian Airlines
Deal found 11/2$507
This Scandinavian Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/38:30 pmIAD - PRG
1 stop16h 10mScandinavian Airlines
Wed 12/103:00 pmPRG - IAD
1 stop32h 15mScandinavian Airlines
Deal found 11/1$515
This FlightHub deal was found by Cheapflights users on 11/2. 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.
Tue 12/21:30 pmIAD - PRG
1 stop23h 00mTurkish Airlines
Wed 12/102:45 pmPRG - IAD
1 stop34h 35mTurkish Airlines
Deal found 11/2$517
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Mon 12/18:30 pmIAD - PRG
1 stop16h 10mScandinavian Airlines
Fri 12/52:00 pmPRG - IAD
2 stops34h 50mScandinavian Airlines
Deal found 11/1$523
This Justfly.com deal was found by Cheapflights users on 11/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:19 pmIAD - PRG
2 stops15h 26mScandinavian Airlines
Mon 12/1510:30 amPRG - IAD
1 stop12h 45mScandinavian Airlines
Deal found 11/2$527
This oojo deal was found by Cheapflights users on 11/2. 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 12/38:30 pmIAD - PRG
1 stop11h 50mScandinavian Airlines
Sun 12/146:20 pmPRG - IAD
2 stops28h 55mScandinavian Airlines
Deal found 11/2$528
This Orbitz deal was found by Cheapflights users on 11/2. 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.
Mon 12/17:49 pmIAD - PRG
2 stops31h 56mScandinavian Airlines
Wed 12/1010:25 amPRG - IAD
2 stops14h 54mScandinavian Airlines
Deal found 11/2$530

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$493
(Scandinavian Airlines)

One-way from

$278
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$627
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 ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 3, 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

12:19 pm-6:40 pm

2 stops24h 21m

Václav Havel Prague

Mon 2/23

10:25 am-7:12 pm

2 stops14h 47m

$553

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 1/31

12:23 pm-9:45 am

2 stops15h 22m

Václav Havel Prague

Sat 2/14

8:50 pm-7:12 pm

2 stops28h 22m

$553

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 1/6

6:20 pm-4:05 pm

2 stops15h 45m

Václav Havel Prague

Fri 1/16

7:35 am-2:35 pm

1 stop13h 00m

$603

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 12/10

12:19 pm-9:45 am

2 stops15h 26m

Václav Havel Prague

Mon 12/15

10:30 am-7:19 pm

2 stops14h 49m

$603

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 12/6

12:19 pm-9:45 am

2 stops15h 26m

Václav Havel Prague

Mon 12/15

10:30 am-7:19 pm

2 stops14h 49m

$603

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 12/3

6:20 pm-6:50 pm

2 stops18h 30m

Václav Havel Prague

Wed 12/17

7:35 pm-3:35 pm

2 stops26h 00m

$673

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

8:30 pm-4:05 pm

2 stops13h 35m

Václav Havel Prague

Tue 12/23

6:15 am-3:50 pm

2 stops15h 35m

$687

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 11/9

10:55 pm-4:05 pm

1 stop11h 10m

Václav Havel Prague

Sat 11/22

1:45 pm-10:58 pm

2 stops15h 13m

$701

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 11/14

12:11 pm-9:05 am

2 stops14h 54m

Václav Havel Prague

Fri 11/21

6:00 am-4:23 pm

2 stops16h 23m

$706

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 12/27

10:55 pm-10:25 pm

1 stop17h 30m

Václav Havel Prague

Wed 1/7

7:30 am-9:13 pm

2 stops19h 43m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $427). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $612). 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 November 3, 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 November 3, 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
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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
7.5
Good
1,775 reviews
SWISS
7.5
Good
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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
1,556 reviews
SWISS
7.5
Good
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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
8,997 reviews
SWISS
7.5
Good
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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
7,545 reviews
SWISS
7.5
Good
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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
7,494 reviews
SWISS
7.5
Good
1,775 reviews

Comfort

7.4

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.8

Boarding

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 15h 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 Scandinavian Airlines, with whom users have recently found tickets for as low as $278. However, be on the lookout for offers from SWISS 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 $427). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $612). 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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Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Baltimore to Istanbul flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Zurich flights
Dulles Intl to Vienna flights
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Dulles Intl to Malpensa flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Dulles Intl to Geneva flights
Dulles Intl to Edinburgh flights
Baltimore to Barcelona-El Prat flights
Dulles Intl to Bruxelles-National flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Linate flights
Reagan-National to Malpensa flights
Reagan-National to Dublin flights
Dulles Intl to Copenhagen flights
Baltimore to Dublin flights
Baltimore to Luton 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$512FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$427Average$484FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$479Average$797FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$486Average$712FlexibilityNo cancel feeOn-time79%
DeltaCheapest$525Average$762FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$547Average$687FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$561Average$597FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$563Average$870FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$823FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$578Average$903FlexibilityNo cancel feeOn-timeN/A

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