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 $292). Flying from Czech Republic to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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.

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).

What are the most popular airlines that fly from Czech Republic to Washington, D.C. Dulles Intl Airport?

Consider British Airways, Icelandair or KLM when booking your flight. These represent the most popular airlines when flying from Czech Republic to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from Czech Republic to Washington, D.C. Dulles Intl Airport?

Find a great deal and save up to 22% by booking at least 45 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Czech Republic to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at $637.

What is the cheapest month to fly from Czech Republic to Washington, D.C. Dulles Intl Airport?

October can be a great time to fly to Washington, D.C. Dulles Intl Airport from Czech Republic with a flight ticket averaging about $734. Cheapflights users have found deals in the month of October for as cheap as $457. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from CZ to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Czech Republic to Washington, D.C. Dulles Intl Airport as you normally would.

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.

$382+ Cheap Flights from the Czech Republic to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Czech Republic to Dulles Intl

Round-trip from	$457 (oojo)
One-way from	$382 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$758

From Czech Republic to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Czech Republic to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($97 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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 September 15, 2025.

Sun 11/237:15 pmPRG - IAD

1 stop26h 00mTAP AIR PORTUGAL

Wed 12/310:30 pmIAD - PRG

1 stop13h 55mTAP AIR PORTUGAL

Deal found 9/14

$457

Mon 11/312:30 pmPRG - IAD

1 stop32h 05mTAP AIR PORTUGAL

Mon 11/175:30 pmIAD - PRG

1 stop18h 55mTAP AIR PORTUGAL

Deal found 9/14

$474

Sat 11/2212:50 pmPRG - IAD

1 stop11h 40mIcelandair

Fri 12/57:40 pmIAD - PRG

1 stop10h 15mIcelandair

Deal found 9/15

$485

Wed 10/152:00 pmPRG - IAD

1 stop11h 20mIcelandair

Sun 10/198:30 pmIAD - PRG

1 stop10h 35mIcelandair

Deal found 9/13

$589

Fri 10/248:55 pmPRG - IAD

1 stop29h 04mScandinavian Airlines

Tue 10/2812:09 pmIAD - PRG

2 stops16h 36mScandinavian Airlines

Deal found 9/15

$600

Sun 11/236:20 pmPRG - IAD

2 stops28h 55mScandinavian Airlines

Wed 12/38:30 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Deal found 9/14

$603

Wed 10/158:45 pmPRG - IAD

2 stops28h 10mMultiple Airlines

Sun 10/195:20 pmIAD - PRG

1 stop20h 35mMultiple Airlines

Deal found 9/13

$607

Mon 10/2011:50 amPRG - IAD

1 stop13h 05mAer Lingus

Sun 11/25:05 pmIAD - PRG

1 stop11h 55mAer Lingus

Deal found 9/14

$615

Fri 12/1212:50 pmPRG - IAD

1 stop11h 40mIcelandair

Thu 12/257:40 pmIAD - PRG

1 stop10h 15mIcelandair

Deal found 9/14

$631

Wed 10/1510:50 amPRG - IAD

2 stops39h 09mScandinavian Airlines

Sun 10/1910:05 pmIAD - PRG

2 stops14h 50mScandinavian Airlines

Deal found 9/13

$637

Best flights from Czech Republic to Dulles Intl
Discover carefully curated flight deals from Czech Republic to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Sun 11/237:15 pmPRG - IAD

1 stop26h 00mTAP AIR PORTUGAL

Wed 12/310:30 pmIAD - PRG

1 stop13h 55mTAP AIR PORTUGAL

Deal found 9/15

$457

Fri 10/244:20 pmPRG - IAD

2 stops33h 39mScandinavian Airlines

Tue 10/2812:09 pmIAD - PRG

2 stops21h 11mScandinavian Airlines

Deal found 9/15

$607

Fri 12/1212:50 pmPRG - IAD

1 stop11h 40mIcelandair

Thu 12/257:40 pmIAD - PRG

1 stop10h 15mIcelandair

Deal found 9/14

$631

Mon 11/39:35 amPRG - IAD

1 stop32h 10mTurkish Airlines

Mon 11/171:30 pmIAD - PRG

1 stop18h 20mTurkish Airlines

Deal found 9/15

$647

Mon 11/38:10 amPRG - IAD

2 stops16h 20mMultiple Airlines

Mon 11/177:40 pmIAD - PRG

2 stops12h 40mMultiple Airlines

Deal found 9/14

$655

Wed 10/226:00 amPRG - IAD

1 stop15h 50mLufthansa

Wed 11/1910:55 pmIAD - PRG

1 stop11h 10mLufthansa

Deal found 9/13

$658

Wed 12/247:30 amPRG - IAD

1 stop14h 20mUnited Airlines

Sun 1/258:30 pmIAD - PRG

1 stop11h 25mUnited Airlines

Deal found 9/13

$661

Wed 10/1510:50 amPRG - IAD

2 stops39h 09mScandinavian Airlines

Sun 10/1910:05 pmIAD - PRG

2 stops14h 50mScandinavian Airlines

Deal found 9/13

$637

Fri 3/612:10 pmPRG - IAD

1 stop14h 05mUnited Airlines

Tue 3/105:25 pmIAD - PRG

1 stop15h 30mUnited Airlines

Deal found 9/13

$661

Fri 12/1212:10 pmPRG - IAD

1 stop14h 05mUnited Airlines

Tue 12/308:30 pmIAD - PRG

1 stop11h 25mUnited Airlines

Deal found 9/14

$662

Mon 12/1511:50 amPRG - IAD

1 stop14h 25mUnited Airlines

Tue 12/308:30 pmIAD - PRG

1 stop11h 25mUnited Airlines

Deal found 9/14

$662

Last-minute flights from Czech Republic to Dulles Intl
Discover last-minute flight deals from Czech Republic to Dulles Intl. Data last updated September 15, 2025 and is based on user searches.

Wed 10/152:00 pmPRG - IAD

1 stop11h 20mIcelandair

Sun 10/198:30 pmIAD - PRG

1 stop10h 35mIcelandair

Deal found 9/13

$589

Wed 10/158:45 pmPRG - IAD

2 stops28h 10mMultiple Airlines

Sun 10/195:20 pmIAD - PRG

1 stop20h 35mMultiple Airlines

Deal found 9/13

$607

Wed 10/1510:50 amPRG - IAD

2 stops39h 09mScandinavian Airlines

Sun 10/1910:05 pmIAD - PRG

2 stops14h 50mScandinavian Airlines

Deal found 9/13

$637

Fri 10/1710:25 amPRG - IAD

1 stop11h 25mLufthansa

Fri 11/710:55 pmIAD - PRG

1 stop11h 10mLufthansa

Deal found 9/14

$667

Mon 10/2011:50 amPRG - IAD

1 stop13h 05mAer Lingus

Sun 11/25:05 pmIAD - PRG

1 stop11h 55mAer Lingus

Deal found 9/14

$615

Mon 10/206:00 amPRG - IAD

1 stop13h 30mUnited Airlines

Sun 11/210:00 pmIAD - PRG

1 stop18h 25mUnited Airlines

Deal found 9/15

$666

Wed 10/226:00 amPRG - IAD

1 stop15h 50mLufthansa

Wed 11/1910:55 pmIAD - PRG

1 stop11h 10mLufthansa

Deal found 9/13

$658

Wed 10/2210:50 amPRG - IAD

2 stops15h 09mScandinavian Airlines

Wed 11/198:30 pmIAD - PRG

1 stop11h 50mScandinavian Airlines

Deal found 9/13

$665

Fri 10/248:55 pmPRG - IAD

1 stop29h 04mScandinavian Airlines

Tue 10/2812:09 pmIAD - PRG

2 stops16h 36mScandinavian Airlines

Deal found 9/15

$600

Fri 10/248:55 pmPRG - IAD

1 stop29h 04mScandinavian Airlines

Sat 11/88:30 pmIAD - PRG

1 stop11h 50mScandinavian Airlines

Deal found 9/15

$641

Fri 10/246:00 amPRG - IAD

1 stop15h 50mUnited Airlines

Fri 11/78:30 pmIAD - PRG

1 stop11h 25mUnited Airlines

Deal found 9/15

$664

One-way flights from Czech Republic to Dulles Intl
Search for one-way flight options from Czech Republic to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Wed 10/86:50 pmPRG - IAD

3 stops26h 30mMultiple Airlines

Deal found 9/14

$382

Tue 10/78:40 pmPRG - IAD

2 stops48h 40mMultiple Airlines

Deal found 9/14

$387

Thu 10/96:05 amPRG - IAD

2 stops20h 45mMultiple Airlines

Deal found 9/14

$399

Fri 11/71:35 pmPRG - IAD

2 stops31h 40mMultiple Airlines

Deal found 9/14

$400

Sun 11/91:55 pmPRG - IAD

2 stops31h 20mMultiple Airlines

Deal found 9/14

$416

Mon 10/64:30 pmPRG - IAD

3 stops52h 50mMultiple Airlines

Deal found 9/14

$417

Fri 11/711:55 amPRG - IAD

1 stop15h 05mTAP AIR PORTUGAL

Deal found 9/14

$456

Sun 11/97:15 pmPRG - IAD

1 stop26h 00mTAP AIR PORTUGAL

Deal found 9/14

$462

Tue 12/22:55 pmPRG - IAD

3 stops34h 35mMultiple Airlines

Deal found 9/14

$470

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 11/23

7:15 pm-3:15 pm

1 stop26h 00m

Washington, D.C. Dulles Intl

Wed 12/3

10:30 pm-6:25 pm

1 stop13h 55m

$457

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 10/24

4:20 pm-7:59 pm

2 stops33h 39m

Washington, D.C. Dulles Intl

Tue 10/28

12:09 pm-2:20 pm

2 stops21h 11m

$607

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 12/12

12:50 pm-6:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Thu 12/25

7:40 pm-11:55 am

1 stop10h 15m

$631

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 10/15

10:50 am-7:59 pm

2 stops39h 09m

Washington, D.C. Dulles Intl

Sun 10/19

10:05 pm-6:55 pm

2 stops14h 50m

$637

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 11/3

9:35 am-11:45 am

1 stop32h 10m

Washington, D.C. Dulles Intl

Mon 11/17

1:30 pm-1:50 pm

1 stop18h 20m

$647

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 11/3

8:10 am-6:30 pm

2 stops16h 20m

Washington, D.C. Dulles Intl

Mon 11/17

7:40 pm-2:20 pm

2 stops12h 40m

$655

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 10/22

6:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Wed 11/19

10:55 pm-4:05 pm

1 stop11h 10m

$658

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 12/24

7:30 am-3:50 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Sun 1/25

8:30 pm-1:55 pm

1 stop11h 25m

$661

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 3/6

12:10 pm-8:15 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Tue 3/10

5:25 pm-1:55 pm

1 stop15h 30m

$661

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 12/12

12:10 pm-8:15 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

Tue 12/30

8:30 pm-1:55 pm

1 stop11h 25m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with KLM, United Airlines, and Icelandair from the Czech Republic to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,385 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

United Airlines

7.4

Good

8,929 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Icelandair

7.0

Good

544 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,361 reviews

KLM

7.8

Good

1,385 reviews

Reviews

1 / 20

4.0

Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from Czech Republic to Washington, D.C. Dulles Intl Airport?
Airlines like TAP AIR PORTUGAL, Scandinavian Airlines, and Icelandair fly from Czech Republic to Washington, D.C. Dulles Intl Airport in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 21h 59m. Czech Republic and Washington, D.C. Dulles Intl Airport are separated by a distance of 4290 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 $292). Flying from Czech Republic to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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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Silver Spring

Springfield

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Laurel

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National Harbor

Dundalk

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Top 5 airlines flying from Czech Republic to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$595	Average$810	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$627	Average$644	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$665	Average$752	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$667	Average$825	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$850	Average$1,094	FlexibilityNo cancel fee	On-time75%

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$382+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Czech Republic to Dulles Intl with Cheapflights

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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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Czech Republic to Dulles Intl

Cheapest flights from Czech Republic to Dulles IntlExplore 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 September 15, 2025.

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 September 15, 2025.

Cheapflights Fare Finder

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.

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.

Cheapflights Insights

Everything you need to know about your flight from the Czech Republic to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

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.

How long is the flight from Czech Republic to Washington, D.C. Dulles Intl Airport?

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

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

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

What is the cheapest month to book a flight from Czech Republic to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 5 airlines flying from Czech Republic to Dulles Intl

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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 September 15, 2025.