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$238+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$682
(Gotogate)

One-way from

$238
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$925
From Washington, D.C. Dulles Intl to Czech Republic
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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 ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:05 pmIAD - PRG
1 stop29h 40mScandinavian Airlines
Mon 9/17:35 pmPRG - IAD
2 stops30h 24mScandinavian Airlines
Deal found 7/28$683
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.
Sun 8/310:20 pmIAD - PRG
1 stop17h 00mLufthansa
Thu 8/216:20 amPRG - IAD
2 stops13h 10mLufthansa
Deal found 7/27$686
This oojo deal was found by Cheapflights users on 7/26. 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.
Sun 8/178:30 pmIAD - PRG
1 stop10h 35mIcelandair
Sun 8/312:00 pmPRG - IAD
1 stop11h 20mIcelandair
Deal found 7/26$688
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Wed 9/172:25 pmIAD - PRG
2 stops20h 20mMultiple Airlines
Wed 10/18:10 pmPRG - IAD
3 stops30h 55mMultiple Airlines
Deal found 7/26$689
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/175:31 pmIAD - PRG
2 stops14h 09mUnited Airlines
Sun 8/246:00 amPRG - IAD
2 stops15h 52mUnited Airlines
Deal found 7/26$692
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:25 pmIAD - PRG
2 stops14h 35mAir Canada
Tue 9/26:50 amPRG - IAD
2 stops20h 15mAir Canada
Deal found 7/27$705
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.
Thu 8/710:40 pmIAD - PRG
1 stop15h 30mBritish Airways
Thu 8/217:10 amPRG - IAD
1 stop19h 00mBritish Airways
Deal found 7/27$710
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:23 pmIAD - PRG
2 stops15h 17mDelta
Mon 8/256:30 amPRG - IAD
1 stop18h 45mDelta
Deal found 7/26$718
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:16 pmIAD - PRG
2 stops17h 44mAmerican Airlines
Sat 11/227:40 amPRG - IAD
2 stops17h 41mAmerican Airlines
Deal found 7/28$723
This Gurufare deal was found by Cheapflights users on 7/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:45 pmIAD - PRG
1 stop15h 40mSWISS
Sun 8/247:10 pmPRG - IAD
1 stop27h 05mSWISS
Deal found 7/26$732

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 July 28, 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 8/26

10:05 pm-9:45 am

1 stop29h 40m

Václav Havel Prague

Mon 9/1

7:35 pm-7:59 pm

2 stops30h 24m

$683

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/3

10:20 pm-9:20 pm

1 stop17h 00m

Václav Havel Prague

Thu 8/21

6:20 am-1:30 pm

2 stops13h 10m

$686

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/17

8:30 pm-1:05 pm

1 stop10h 35m

Václav Havel Prague

Sun 8/31

2:00 pm-7:20 pm

1 stop11h 20m

$688

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/17

2:25 pm-4:45 pm

2 stops20h 20m

Václav Havel Prague

Wed 10/1

8:10 pm-9:05 pm

3 stops30h 55m

$689

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/17

5:31 pm-1:40 pm

2 stops14h 09m

Václav Havel Prague

Sun 8/24

6:00 am-3:52 pm

2 stops15h 52m

$692

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/27

2:25 pm-11:00 am

2 stops14h 35m

Václav Havel Prague

Tue 9/2

6:50 am-9:05 pm

2 stops20h 15m

$705

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 8/7

10:40 pm-8:10 pm

1 stop15h 30m

Václav Havel Prague

Tue 8/19

6:40 am-8:10 pm

1 stop19h 30m

$710

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/17

8:23 pm-5:40 pm

2 stops15h 17m

Václav Havel Prague

Mon 8/25

6:30 am-7:15 pm

1 stop18h 45m

$718

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 8/21

8:45 pm-6:25 pm

1 stop15h 40m

Václav Havel Prague

Sun 8/24

7:10 pm-4:15 pm

1 stop27h 05m

$732

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 8/25

10:20 pm-12:30 pm

2 stops32h 10m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 15 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 $1,117). 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 July 28, 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 July 28, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to the Czech Republic, such as Delta, SWISS, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.6
Good
1,679 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,892 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,921 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,447 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $264. However, be on the lookout for offers from Turkish Airlines and Scandinavian 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 $651). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $1,117). 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 Dublin flights
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Baltimore to Keflavik Intl flights
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Reagan-National to Dublin flights
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Baltimore to Lisbon flights
Dulles Intl to Luton flights
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Baltimore to Istanbul flights
Reagan-National to Athens flights
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Baltimore to Athens flights
Baltimore to Amsterdam flights
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Reagan-National to Barcelona-El Prat flights
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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$401Average$602FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$436Average$495FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$520Average$687FlexibilityNo cancel feeOn-time70%
DeltaCheapest$525Average$895FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$526Average$797FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$554Average$594FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$563Average$871FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$824FlexibilityNo cancel feeOn-time69%
SWISSCheapest$571Average$707FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$578Average$806FlexibilityNo cancel feeOn-timeN/A

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