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$271+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$565
(SmartFares)

One-way from

$271
(oojo)

Popular in

June

Cheapest in

November

Average price

$673
Provider with most accurate pricing for Washington, D.C. (WAS)-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Václav Havel Prague flights.
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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. 19% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This SmartFares deal was found by Cheapflights users on 4/29. 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.
Fri 9/2610:05 pmIAD - PRG
1 stop29h 40mScandinavian Airlines
Fri 10/104:20 pmPRG - IAD
2 stops33h 39mScandinavian Airlines
Deal found 4/29$565
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 12/99:55 pmIAD - PRG
1 stop16h 45mAmerican Airlines
Fri 12/196:00 amPRG - IAD
1 stop15h 35mAmerican Airlines
Deal found 4/29$566
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Sun 8/178:30 pmIAD - PRG
1 stop10h 35mIcelandair
Mon 8/252:00 pmPRG - IAD
1 stop11h 20mIcelandair
Deal found 4/29$575
This oojo deal was found by Cheapflights users on 4/29. 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.
Fri 10/105:00 pmIAD - PRG
1 stop13h 30mTAP AIR PORTUGAL
Tue 10/217:30 pmPRG - IAD
1 stop25h 50mTAP AIR PORTUGAL
Deal found 4/29$576
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:20 pmIAD - PRG
1 stop11h 50mAer Lingus
Tue 5/2011:50 amPRG - IAD
1 stop13h 40mAer Lingus
Deal found 4/29$585
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:45 amIAD - PRG
2 stops17h 20mAir Canada
Tue 5/2011:40 amPRG - IAD
2 stops15h 28mAir Canada
Deal found 4/29$597
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Sun 5/49:45 amIAD - PRG
2 stops17h 20mMultiple Airlines
Tue 5/209:50 amPRG - IAD
1 stop12h 25mMultiple Airlines
Deal found 4/29$600
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1912:25 pmIAD - PRG
1 stop14h 35mKLM
Fri 5/3011:00 amPRG - IAD
1 stop14h 42mKLM
Deal found 4/29$602
This Air France deal was found by Cheapflights users on 4/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:30 pmIAD - PRG
1 stop14h 30mAir France
Thu 8/2811:00 amPRG - IAD
1 stop14h 37mAir France
Deal found 4/29$617
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:45 pmIAD - PRG
1 stop15h 40mSWISS
Wed 9/177:10 pmPRG - IAD
1 stop27h 05mSWISS
Deal found 4/29$626
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/203:55 pmIAD - PRG
2 stops15h 00mUnited Airlines
Tue 6/32:30 pmPRG - IAD
2 stops31h 40mUnited Airlines
Deal found 4/29$632
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 5/198:30 pmIAD - PRG
2 stops15h 10mDelta
Fri 5/306:00 amPRG - IAD
2 stops19h 42mDelta
Deal found 4/29$650

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 April 29, 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

Fri 9/26

10:05 pm-9:45 am

1 stop29h 40m

Václav Havel Prague

Fri 10/10

4:20 pm-7:59 pm

2 stops33h 39m

$565

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

Mon 8/25

2:00 pm-7:20 pm

1 stop11h 20m

$575

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 10/10

5:00 pm-12:30 pm

1 stop13h 30m

Václav Havel Prague

Tue 10/21

7:30 pm-3:20 pm

1 stop25h 50m

$576

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/19

12:25 pm-9:00 am

1 stop14h 35m

Václav Havel Prague

Fri 5/30

11:00 am-7:42 pm

1 stop14h 42m

$602

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/6

10:40 pm-8:45 pm

1 stop16h 05m

Václav Havel Prague

Mon 8/18

7:40 pm-3:00 pm

1 stop25h 20m

$607

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/17

12:30 pm-9:00 am

1 stop14h 30m

Václav Havel Prague

Thu 8/28

11:00 am-7:37 pm

1 stop14h 37m

$617

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/19

12:25 pm-9:00 am

1 stop14h 35m

Václav Havel Prague

Fri 5/30

6:00 am-6:03 pm

2 stops18h 03m

$626

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/17

9:45 am-10:35 am

2 stops18h 50m

Václav Havel Prague

Wed 10/8

11:40 am-9:05 pm

2 stops15h 25m

$627

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 5/20

3:55 pm-12:55 pm

2 stops15h 00m

Václav Havel Prague

Tue 6/3

2:30 pm-4:10 pm

2 stops31h 40m

$632

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 5/15

5:35 pm-10:25 pm

1 stop22h 50m

Václav Havel Prague

Thu 5/22

10:25 am-9:08 pm

2 stops16h 43m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 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 $1,215). 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 April 29, 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.

Rainfall in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Czech Republic ranges from 0.4 - 2.4 inches per month. June is typically the wettest month, when rainfall can reach 2.4 in. February is typically the driest time to visit Czech Republic when rainfall is around 0.4 in.

Temperature in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Czech Republic, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Washington, D.C. to Czech Republic by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Cathay Pacific
7.5
Good
852 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Icelandair, with whom users have recently found tickets for as low as $271. 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 $651). Flying from Washington, D.C. Dulles Intl Airport to Czech Republic in June is currently the most expensive (average of $1,215). 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
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Reagan-National to Madrid flights
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Baltimore to Istanbul flights
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Baltimore to Stansted flights
Baltimore to Madrid flights
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Baltimore to Lisbon flights
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Dulles Intl to Malpensa flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Dulles Intl to Copenhagen flights
Dulles Intl to Munich flights
Dulles Intl to Linate flights
Baltimore to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Vienna flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Malpensa flights
Dulles Intl to Stansted 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$436Average$726FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$436Average$495FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$520Average$688FlexibilityNo cancel feeOn-time70%
DeltaCheapest$525Average$1,028FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$526Average$845FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$554Average$607FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$1,085FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$563Average$874FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$564Average$796FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$571Average$848FlexibilityNo cancel feeOn-time79%

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