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Dulles Intl

$410+ Cheap flights from the Czech Republic to Dulles Intl (IAD)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — IAD
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Czech Republic to Dulles Intl

Keep the following information in mind while searching for Czech Republic to Dulles Intl flight deals. Data was last updated abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$594
(Gotogate)

One-way from

$410
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$673
Provider with most accurate pricing for Václav Havel Prague-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Václav Havel Prague-Washington, D.C. (WAS) flights.
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From Czech Republic to Washington, D.C. Dulles Intl
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One-way flight from Czech Republic to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($93 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 April 2025
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Find flight deals from Czech Republic to Dulles Intl

Cheapest flights from Czech Republic to Dulles Intl
Explore the most affordable flight options available from Czech Republic to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

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.
mar. 6/38:55 pmPRG - IAD
1 stop29h 04mScandinavian Airlines
jue. 12/48:30 pmIAD - PRG
1 stop31h 15mScandinavian Airlines
Deal found 4/29$594
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/201:55 pmPRG - IAD
2 stops35h 25mMultiple Airlines
dom. 5/258:30 pmIAD - PRG
2 stops16h 20mMultiple Airlines
Deal found 4/29$597
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.
lun. 6/91:40 pmPRG - IAD
1 stop13h 47mUnited Airlines
dom. 6/225:45 pmIAD - PRG
1 stop18h 10mUnited Airlines
Deal found 4/29$648
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/206:40 amPRG - IAD
1 stop19h 25mBritish Airways
dom. 5/255:40 pmIAD - PRG
1 stop13h 55mBritish Airways
Deal found 4/29$699
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.
jue. 7/37:10 pmPRG - IAD
1 stop27h 05mSWISS
vie. 7/185:45 pmIAD - PRG
1 stop18h 40mSWISS
Deal found 4/29$718
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.
mar. 5/66:00 amPRG - IAD
1 stop15h 35mDelta
dom. 5/119:20 pmIAD - PRG
1 stop18h 25mDelta
Deal found 4/29$722
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/310:25 amPRG - IAD
2 stops16h 21mLufthansa
jue. 12/410:05 pmIAD - PRG
1 stop14h 00mLufthansa
Deal found 4/29$731
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.
sáb. 6/2811:40 amPRG - IAD
2 stops27h 57mAir Canada
mar. 9/910:25 amIAD - PRG
1 stop19h 45mAir Canada
Deal found 4/29$766
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/37:30 amPRG - IAD
2 stops38h 39mAustrian Airlines
jue. 12/45:45 pmIAD - PRG
2 stops46h 55mAustrian Airlines
Deal found 4/29$776
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.
dom. 5/49:20 amPRG - IAD
1 stop32h 25mTurkish Airlines
vie. 5/91:30 pmIAD - PRG
1 stop19h 00mTurkish Airlines
Deal found 4/29$831
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/67:30 pmPRG - IAD
1 stop25h 50mTAP AIR PORTUGAL
mar. 5/1310:20 pmIAD - PRG
2 stops17h 00mTAP AIR PORTUGAL
Deal found 4/29$850
This Brussels 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/611:50 amPRG - IAD
2 stops32h 35mBrussels Airlines
mar. 5/135:20 pmIAD - PRG
2 stops18h 35mBrussels Airlines
Deal found 4/29$1,113

Cheapflights Fare Finder

Customize your flight search to find flights from Czech Republic to Dulles Intl 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 abril 29, 2025.
Use the filters below to find and compare flights from the Czech Republic to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Czech Republic

Fly to

Dulles Intl

Route

Depart

Return

Price

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

mar. 6/3

8:55 pm-7:59 pm

1 stop29h 04m

Washington, D.C. Dulles Intl

jue. 12/4

8:30 pm-9:45 am

1 stop31h 15m

$594

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

mar. 5/20

1:55 pm-7:20 pm

2 stops35h 25m

Washington, D.C. Dulles Intl

dom. 5/25

8:30 pm-6:50 pm

2 stops16h 20m

$597

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

lun. 6/9

1:40 pm-9:27 pm

1 stop13h 47m

Washington, D.C. Dulles Intl

dom. 6/22

5:45 pm-5:55 pm

1 stop18h 10m

$648

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

mar. 5/20

6:40 am-8:05 pm

1 stop19h 25m

Washington, D.C. Dulles Intl

dom. 5/25

5:40 pm-1:35 pm

1 stop13h 55m

$699

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

jue. 7/3

7:10 pm-4:15 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

vie. 7/18

5:45 pm-6:25 pm

1 stop18h 40m

$718

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

mar. 6/3

10:25 am-8:46 pm

2 stops16h 21m

Washington, D.C. Dulles Intl

jue. 12/4

10:05 pm-6:05 pm

1 stop14h 00m

$731

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

jue. 7/3

11:00 am-7:50 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

vie. 7/18

8:31 pm-5:40 pm

2 stops15h 09m

$732

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

sáb. 6/28

11:40 am-9:37 am

2 stops27h 57m

Washington, D.C. Dulles Intl

mar. 9/9

10:25 am-12:10 pm

1 stop19h 45m

$766

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

mar. 6/3

7:30 am-4:09 pm

2 stops38h 39m

Washington, D.C. Dulles Intl

jue. 12/4

5:45 pm-10:40 pm

2 stops46h 55m

$776

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

jue. 5/15

6:20 am-8:50 pm

2 stops20h 30m

Washington, D.C. Dulles Intl

sáb. 5/31

10:35 pm-6:40 pm

1 stop14h 05m

$1,569

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
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Best time to book a flight from Czech Republic to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Czech Republic 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 the Czech Republic to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated abril 29, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Czech Republic to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Czech Republic to Dulles Intl. 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 Czech Republic to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $477. Users have also found prices from $637 and $681 on Aer Lingus and British Airways, respectively.

  • Can I find deals for flights from Czech Republic to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Czech Republic to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Czech Republic to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Czech Republic to Dulles Intl.

  • Can I find deals for business class flights from Czech Republic to Dulles Intl?

    Yes. Cheapflights offers flight deals from Czech Republic to Dulles Intl 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 Czech Republic to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Czech Republic to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Czech Republic to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

Traveling to a place near the Czech Republic?

Book flights to the Czech Republic if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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Alternative routes for Czech Republic to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Frankfurt to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Amsterdam to Dulles Intl flights
Heathrow to Reagan-National flights
Charles de Gaulle to Reagan-National flights
Madrid to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Gatwick to Dulles Intl flights
Frankfurt to Baltimore flights
Charles de Gaulle to Baltimore flights
Gatwick to Reagan-National flights
London City to Dulles Intl flights
Orly to Dulles Intl flights
Gatwick to Baltimore flights
Frankfurt to Reagan-National flights
Bruxelles-National to Dulles Intl flights
Dublin to Dulles Intl flights
Istanbul to Dulles Intl flights
Vienna to Dulles Intl flights
Munich to Dulles Intl flights
Stansted to Baltimore flights
Madrid to Reagan-National flights
Zurich to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Stansted to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Leonardo da Vinci/Fiumicino to Baltimore flights
Vicenza to Dulles Intl flights
Frederic Chopin to Baltimore flights
Amsterdam to Reagan-National flights
Amsterdam to Baltimore flights
Edinburgh to Dulles Intl flights
Madrid to Baltimore flights
Geneva to Dulles Intl flights
Luton to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Vienna to Baltimore flights
Copenhagen to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Athens to Dulles Intl flights
Lisbon to Dulles Intl flights
Manchester to Dulles Intl flights
Berlin to Dulles Intl flights
Vienna to Reagan-National flights
Bruxelles-National to Baltimore flights

Top 5 airlines flying from Czech Republic to Dulles Intl

Discover the top 5 airlines that operate flights from Czech Republic to Dulles Intl. 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$613Average$730FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$645FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$658Average$756FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$717Average$823FlexibilityNo cancel feeOn-time69%
KLMCheapest$779Average$906FlexibilityNo cancel feeOn-time75%

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