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$259+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$622
(Booking.com)

One-way from

$259
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$980
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. 16% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/9. 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.
Wed 12/39:10 pmIAD - PRG
1 stop34h 40mTurkish Airlines
Sun 12/147:25 pmPRG - IAD
1 stop21h 45mTurkish Airlines
Deal found 6/9$615
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Fri 11/78:45 pmIAD - PRG
1 stop19h 35mMultiple Airlines
Fri 11/217:40 amPRG - IAD
2 stops14h 14mMultiple Airlines
Deal found 6/10$618
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 11/228:30 pmIAD - PRG
1 stop11h 50mScandinavian Airlines
Sat 12/610:25 amPRG - IAD
1 stop14h 25mScandinavian Airlines
Deal found 6/10$621
This American Airlines deal was found by Cheapflights users on 6/10. 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 12/28:11 pmIAD - PRG
2 stops16h 59mAmerican Airlines
Wed 12/106:55 amPRG - IAD
2 stops18h 33mAmerican Airlines
Deal found 6/10$622
This KLM deal was found by Cheapflights users on 6/10. 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.
Wed 8/612:12 pmIAD - PRG
1 stop14h 48mKLM
Mon 8/182:30 pmPRG - IAD
1 stop31h 05mKLM
Deal found 6/10$625
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sat 11/224:35 pmIAD - PRG
2 stops35h 00mAir Canada
Thu 12/47:40 amPRG - IAD
2 stops14h 14mAir Canada
Deal found 6/10$627
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/45:40 pmIAD - PRG
1 stop16h 20mUnited Airlines
Mon 8/1811:40 amPRG - IAD
1 stop33h 35mUnited Airlines
Deal found 6/12$629
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sat 10/1111:15 pmIAD - PRG
1 stop31h 50mIcelandair
Sun 10/192:00 pmPRG - IAD
1 stop11h 20mIcelandair
Deal found 6/11$634
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:15 pmIAD - PRG
2 stops35h 15mAustrian Airlines
Mon 12/811:10 amPRG - IAD
1 stop33h 30mAustrian Airlines
Deal found 6/10$642
This Lufthansa deal was found by Cheapflights users on 6/10. 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.
Tue 11/256:00 pmIAD - PRG
2 stops13h 05mLufthansa
Mon 12/83:10 pmPRG - IAD
1 stop30h 40mLufthansa
Deal found 6/10$654
This Delta deal was found by Cheapflights users on 6/10. 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 8/412:12 pmIAD - PRG
2 stops16h 18mDelta
Wed 8/208:50 amPRG - IAD
1 stop12h 45mDelta
Deal found 6/10$669
This British Airways deal was found by Cheapflights users on 6/10. 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.
Wed 12/246:15 pmIAD - PRG
1 stop13h 00mBritish Airways
Mon 1/59:35 pmPRG - IAD
1 stop24h 00mBritish Airways
Deal found 6/10$689

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 June 12, 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 8/19

10:05 pm-9:45 am

1 stop29h 40m

Václav Havel Prague

Mon 9/1

7:35 pm-7:59 pm

2 stops30h 24m

$622

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/6

12:12 pm-9:00 am

1 stop14h 48m

Václav Havel Prague

Mon 8/18

2:30 pm-3:35 pm

1 stop31h 05m

$625

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 9/8

9:40 pm-6:25 pm

1 stop14h 45m

Václav Havel Prague

Sat 9/13

7:20 pm-11:45 am

1 stop22h 25m

$628

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 8/4

5:40 pm-4:00 pm

1 stop16h 20m

Václav Havel Prague

Mon 8/18

11:40 am-3:15 pm

1 stop33h 35m

$629

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 7/27

8:30 pm-1:05 pm

1 stop10h 35m

Václav Havel Prague

Sun 8/24

2:00 pm-10:10 pm

1 stop14h 10m

$655

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 9/2

10:20 pm-7:45 pm

2 stops15h 25m

Václav Havel Prague

Sun 9/7

10:05 am-3:20 pm

2 stops35h 15m

$664

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 8/4

12:12 pm-10:30 am

2 stops16h 18m

Václav Havel Prague

Wed 8/20

8:50 am-3:35 pm

1 stop12h 45m

$669

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 8/19

1:00 pm-9:05 am

2 stops14h 05m

Václav Havel Prague

Thu 8/28

10:25 am-9:01 pm

2 stops16h 36m

$688

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 7/27

10:40 pm-7:30 am

2 stops26h 50m

Václav Havel Prague

Sun 8/24

7:30 pm-8:10 pm

2 stops30h 40m

$699

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/20

10:20 pm-6:40 pm

1 stop14h 20m

Václav Havel Prague

Mon 8/25

2:55 pm-3:20 pm

2 stops30h 25m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 28 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 $1,132). 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 June 12, 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 June 12, 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 $259. However, be on the lookout for offers from Icelandair 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 $1,132). 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.

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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
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
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Dulles Intl to Athens flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
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Baltimore to Gatwick flights
Reagan-National to Gatwick flights
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Dulles Intl to Amsterdam flights
Dulles Intl to Orly flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Reagan-National to Madrid flights
Reagan-National to Orly flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Istanbul flights
Baltimore to Madrid flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Baltimore to Istanbul flights
Reagan-National to Lisbon flights
Dulles Intl to Vicenza flights
Reagan-National to Athens flights
Baltimore to Stansted flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Zurich flights
Baltimore to Lisbon flights
Baltimore to Athens flights
Dulles Intl to Munich flights
Baltimore to Keflavik Intl flights
Dulles Intl to Edinburgh flights
Dulles Intl to Stansted flights
Dulles Intl to Bruxelles-National flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Dulles Intl to Copenhagen flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Vienna flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Amsterdam flights
Dulles Intl to Luton 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$436Average$651FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$436Average$518FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$520Average$687FlexibilityNo cancel feeOn-time70%
DeltaCheapest$525Average$1,038FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$526Average$830FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$554Average$606FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$563Average$866FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$564Average$814FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$571Average$707FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$581Average$907FlexibilityNo cancel feeOn-time76%

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