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$306+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$579
(FlightHub)

One-way from

$306
(TAP AIR PORTUGAL)

Popular in

June

Cheapest in

November

Average price

$846
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. 21% potential increase in price ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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.
jue. 3/1310:25 pmIAD - PRG
1 stop34h 25mTurkish Airlines
jue. 3/272:45 pmPRG - IAD
1 stop27h 20mTurkish Airlines
Deal found 2/20$579
This Ovago deal was found by Cheapflights users on 2/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/510:05 pmIAD - PRG
1 stop17h 00mScandinavian Airlines
sáb. 4/128:40 amPRG - IAD
2 stops41h 19mScandinavian Airlines
Deal found 2/20$584
This Booking.com deal was found by Cheapflights users on 2/20. 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.
dom. 3/2310:55 pmIAD - PRG
1 stop14h 15mBritish Airways
dom. 4/610:35 amPRG - IAD
1 stop15h 40mBritish Airways
Deal found 2/20$591
This United Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/1311:20 pmIAD - PRG
1 stop11h 45mUnited Airlines
jue. 3/277:30 amPRG - IAD
2 stops18h 11mUnited Airlines
Deal found 2/20$594
This KLM deal was found by Cheapflights users on 2/20. 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.
dom. 3/96:35 pmIAD - PRG
1 stop14h 05mKLM
dom. 3/166:00 amPRG - IAD
1 stop15h 45mKLM
Deal found 2/20$595
This Air Canada deal was found by Cheapflights users on 2/20. 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.
jue. 3/133:55 pmIAD - PRG
2 stops12h 50mAir Canada
jue. 3/277:30 amPRG - IAD
2 stops18h 11mAir Canada
Deal found 2/20$596
This SWISS deal was found by Cheapflights users on 2/20. 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.
dom. 3/308:45 pmIAD - PRG
1 stop15h 40mSWISS
sáb. 4/52:55 pmPRG - IAD
1 stop31h 20mSWISS
Deal found 2/20$600
This Orbitz deal was found by Cheapflights users on 2/20. 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.
mié. 4/28:45 pmIAD - PRG
1 stop30h 20mMultiple Airlines
mié. 5/76:00 amPRG - IAD
2 stops16h 19mMultiple Airlines
Deal found 2/20$620
This FlightHub deal was found by Cheapflights users on 2/20. 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.
mié. 11/1910:30 pmIAD - PRG
1 stop13h 55mTAP AIR PORTUGAL
lun. 12/112:10 pmPRG - IAD
1 stop33h 05mTAP AIR PORTUGAL
Deal found 2/20$621
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/2710:55 pmIAD - PRG
2 stops31h 00mFinnair
dom. 4/67:30 pmPRG - IAD
2 stops30h 40mFinnair
Deal found 2/20$655
This Delta deal was found by Cheapflights users on 2/20. 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.
sáb. 3/291:35 pmIAD - PRG
2 stops12h 45mDelta
dom. 4/66:00 amPRG - IAD
1 stop15h 35mDelta
Deal found 2/20$656
This FlightHub deal was found by Cheapflights users on 2/20. 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.
dom. 5/118:30 pmIAD - PRG
1 stop10h 35mIcelandair
vie. 5/162:00 pmPRG - IAD
1 stop11h 20mIcelandair
Deal found 2/20$692

Find flights from Dulles Intl to Czech Republic within your budget

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 febrero 20, 2025.

Fly from

Dulles Intl

Fly to

Czech Republic

Route

Depart

Return

Price

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

jue. 3/13

10:25 pm-1:50 pm

1 stop34h 25m

Václav Havel Prague

jue. 3/27

2:45 pm-1:05 pm

1 stop27h 20m

$579

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

sáb. 4/5

10:05 pm-9:05 pm

1 stop17h 00m

Václav Havel Prague

sáb. 4/12

8:40 am-7:59 pm

2 stops41h 19m

$584

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

dom. 3/23

10:55 pm-6:10 pm

1 stop14h 15m

Václav Havel Prague

dom. 4/6

10:35 am-8:15 pm

1 stop15h 40m

$591

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

jue. 3/13

11:20 pm-4:05 pm

1 stop11h 45m

Václav Havel Prague

jue. 3/27

7:30 am-8:41 pm

2 stops18h 11m

$594

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

dom. 3/9

6:35 pm-1:40 pm

1 stop14h 05m

Václav Havel Prague

dom. 3/16

6:00 am-4:45 pm

1 stop15h 45m

$595

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

jue. 3/13

3:55 pm-9:45 am

2 stops12h 50m

Václav Havel Prague

jue. 3/27

7:30 am-8:41 pm

2 stops18h 11m

$596

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

dom. 3/30

8:45 pm-6:25 pm

1 stop15h 40m

Václav Havel Prague

sáb. 4/5

2:55 pm-4:15 pm

1 stop31h 20m

$600

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

mié. 4/2

8:45 pm-9:05 am

1 stop30h 20m

Václav Havel Prague

mié. 5/7

6:00 am-4:19 pm

2 stops16h 19m

$620

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

dom. 4/27

10:20 pm-6:45 pm

1 stop14h 25m

Václav Havel Prague

lun. 5/12

7:35 pm-3:20 pm

1 stop25h 45m

$631

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

jue. 3/27

10:55 pm-10:55 am

2 stops31h 00m

Václav Havel Prague

dom. 4/6

7:30 pm-8:10 pm

2 stops30h 40m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 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.

Travel insights for flights from Dulles Intl to Czech Republic

Get recent, data-driven insights about flights from Dulles Intl to Czech Republic including ideal travel times, pricing trends, and more.

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 $1,239). 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 febrero 20, 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 febrero 20, 2025.
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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.

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $306. However, be on the lookout for offers from SWISS 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 $1,239). 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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Baltimore to Lisbon flights
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Reagan-National to Istanbul flights
Reagan-National to Dublin flights
Baltimore to Dublin flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Malpensa flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Barcelona-El Prat flights
Baltimore to Istanbul flights
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Dulles Intl to Copenhagen flights
Dulles Intl to Munich flights
Reagan-National to Malpensa flights
Baltimore to Keflavik Intl flights
Dulles Intl to Sabiha Gokcen flights
Baltimore to Frankfurt flights
Reagan-National 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$441Average$540FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$459Average$775FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$526Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$530Average$748FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$554Average$621FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$554Average$802FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$571Average$924FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$589Average$1,247FlexibilityNo cancel feeOn-time78%
DeltaCheapest$599Average$1,038FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$602Average$865FlexibilityNo cancel feeOn-time75%
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