What are the cheapest airlines flying from Prague to Washington, D.C. Dulles Intl Airport round-trip?

Currently priced at $600, Icelandair will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Scandinavian Airlines - these airlines can fly you to your destination from $661 and $664, respectively. Icelandair is priced at 17% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Prague to Washington, D.C. Dulles Intl Airport one-way?

$425 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from $563 and $635, respectively.

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

Currently, August is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Prague to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 day to fly from Prague to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Prague to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Before booking your flight from Prague to Washington, D.C. Dulles Intl Airport check out the most popular airlines for this route: British Airways, Icelandair or KLM.

What is the cheapest day to fly round-trip from Prague to Washington, D.C. Dulles Intl Airport?

Friday flights are found to be more expensive to fly from Prague to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

Users have found that booking a flight from Prague to Washington, D.C. Dulles Intl Airport at least 46 days early can save you up to 68% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Prague to Washington, D.C. Dulles Intl Airport for as little as $756 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $957 for flights departing within the next 3 days.

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

June is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Prague. Prices for June average $758 per person but you can even find prices for as low as $604. The most expensive prices can be found in the month of November. Opting for a June flight can save you 32% on your journey compared to booking in November

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

It’s typically best to fly out from Prague to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 1% on the flight price compared to flying in the morning, which is usually more expensive.

Most accurate provider : When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Prague-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Prague-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Prague-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Prague to Washington, D.C. Dulles Intl?

Václav Havel Prague (PRG) is the airport you will fly out of if you book a flight from Prague to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Václav Havel Prague; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Prague airport to Washington, D.C. Dulles Intl. It is only a 6.9 mi journey to Václav Havel Prague (PRG) from Prague’s city center.

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

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

How can I find direct flights from Prague to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Prague 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.

$374+ Flights from Prague to Washington, D.C. Dulles Intl Airport

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Prague to Dulles Intl

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$600 (Booking.com)
One-way from	$374 (Kiwi.com)
Popular in	September
Cheapest in	February
Average price	$688

Provider with most accurate pricing for Václav Havel Prague-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for Václav Havel Prague-Washington, D.C. Dulles Intl flights.

Search Deals

From Václav Havel Prague to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Václav Havel Prague to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Prague to Dulles Intl

Cheapest flights from Prague to Dulles Intl
Explore the most affordable flight options available from Prague to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Wed 10/12:00 pmPRG - IAD

1 stop14h 10mIcelandair

Fri 10/318:40 pmIAD - PRG

1 stop10h 20mIcelandair

Deal found 4/22

$600

Tue 11/2510:25 amPRG - IAD

1 stop12h 50mScandinavian Airlines

Tue 12/28:30 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Deal found 4/20

$605

Thu 6/266:50 amPRG - IAD

1 stop13h 35mUnited Airlines

Sun 7/272:25 pmIAD - PRG

1 stop15h 45mUnited Airlines

Deal found 4/21

$661

Thu 5/159:00 amPRG - IAD

2 stops16h 25mMultiple Airlines

Sat 5/313:25 pmIAD - PRG

2 stops20h 25mMultiple Airlines

Deal found 4/21

$681

Wed 5/211:40 pmPRG - IAD

1 stop31h 40mTAP AIR PORTUGAL

Wed 9/245:50 pmIAD - PRG

1 stop12h 40mTAP AIR PORTUGAL

Deal found 4/22

$707

Fri 5/97:10 amPRG - IAD

1 stop16h 15mBritish Airways

Fri 5/2310:40 pmIAD - PRG

1 stop18h 20mBritish Airways

Deal found 4/22

$708

Thu 5/159:35 amPRG - IAD

1 stop15h 50mLufthansa

Sat 5/3110:20 pmIAD - PRG

1 stop17h 00mLufthansa

Deal found 4/21

$709

Tue 7/17:10 pmPRG - IAD

1 stop26h 15mSWISS

Fri 7/255:45 pmIAD - PRG

1 stop18h 40mSWISS

Deal found 4/21

$715

Thu 5/156:00 amPRG - IAD

2 stops16h 45mDelta

Sat 5/319:20 pmIAD - PRG

1 stop18h 25mDelta

Deal found 4/21

$729

Fri 6/276:50 amPRG - IAD

2 stops15h 29mAir Canada

Sun 7/272:25 pmIAD - PRG

1 stop15h 45mAir Canada

Deal found 4/21

$741

Sat 6/286:50 amPRG - IAD

1 stop12h 40mBrussels Airlines

Fri 7/255:35 pmIAD - PRG

1 stop11h 25mBrussels Airlines

Deal found 4/21

$783

Sat 11/110:55 amPRG - IAD

2 stops34h 35mAustrian Airlines

Sat 11/85:25 pmIAD - PRG

2 stops40h 35mAustrian Airlines

Deal found 4/22

$786

Best flights from Prague to Dulles Intl
Discover carefully curated flight deals from Prague to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Wed 10/12:00 pmPRG - IAD

1 stop14h 10mIcelandair

Fri 10/318:40 pmIAD - PRG

1 stop10h 20mIcelandair

Deal found 4/22

$600

Thu 6/266:50 amPRG - IAD

1 stop13h 35mUnited Airlines

Sun 7/272:25 pmIAD - PRG

1 stop15h 45mUnited Airlines

Deal found 4/21

$661

Mon 9/18:45 pmPRG - IAD

1 stop29h 14mScandinavian Airlines

Mon 9/1510:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Deal found 4/20

$664

Thu 5/159:00 amPRG - IAD

2 stops16h 25mMultiple Airlines

Sat 5/313:25 pmIAD - PRG

2 stops20h 25mMultiple Airlines

Deal found 4/21

$681

Wed 5/211:40 pmPRG - IAD

1 stop31h 40mTAP AIR PORTUGAL

Wed 9/245:50 pmIAD - PRG

1 stop12h 40mTAP AIR PORTUGAL

Deal found 4/22

$707

Fri 5/97:10 amPRG - IAD

1 stop16h 15mBritish Airways

Fri 5/2310:40 pmIAD - PRG

1 stop18h 20mBritish Airways

Deal found 4/22

$708

Thu 5/159:35 amPRG - IAD

1 stop15h 50mLufthansa

Sat 5/3110:20 pmIAD - PRG

1 stop17h 00mLufthansa

Deal found 4/21

$709

Tue 7/17:10 pmPRG - IAD

1 stop26h 15mSWISS

Fri 7/255:45 pmIAD - PRG

1 stop18h 40mSWISS

Deal found 4/21

$715

Thu 5/156:00 amPRG - IAD

2 stops16h 45mDelta

Sat 5/319:20 pmIAD - PRG

1 stop18h 25mDelta

Deal found 4/21

$729

Fri 6/276:50 amPRG - IAD

2 stops15h 29mAir Canada

Sun 7/272:25 pmIAD - PRG

1 stop15h 45mAir Canada

Deal found 4/21

$741

Sat 6/286:50 amPRG - IAD

1 stop12h 40mBrussels Airlines

Fri 7/255:35 pmIAD - PRG

1 stop11h 25mBrussels Airlines

Deal found 4/21

$783

Fri 5/307:30 amPRG - IAD

2 stops38h 05mAustrian Airlines

Mon 6/96:35 pmIAD - PRG

2 stops21h 15mAustrian Airlines

Deal found 4/22

$808

Last-minute flights from Prague to Dulles Intl
Discover last-minute flight deals from Prague to Dulles Intl. Data last updated April 22, 2025 and is based on user searches.

Fri 4/252:00 pmPRG - IAD

1 stop11h 20mIcelandair

Sun 7/208:30 pmIAD - PRG

1 stop10h 35mIcelandair

Deal found 4/21

$770

Fri 5/97:10 amPRG - IAD

1 stop16h 15mBritish Airways

Fri 5/2310:40 pmIAD - PRG

1 stop18h 20mBritish Airways

Deal found 4/22

$708

Fri 5/97:10 pmPRG - IAD

1 stop27h 05mSWISS

Fri 5/235:25 pmIAD - PRG

2 stops43h 00mSWISS

Deal found 4/22

$759

Fri 5/911:40 amPRG - IAD

2 stops15h 28mAir Canada

Fri 5/2310:25 amIAD - PRG

2 stops17h 15mAir Canada

Deal found 4/22

$801

Thu 5/159:00 amPRG - IAD

2 stops16h 25mMultiple Airlines

Sat 5/313:25 pmIAD - PRG

2 stops20h 25mMultiple Airlines

Deal found 4/21

$681

Thu 5/156:50 amPRG - IAD

1 stop13h 25mUnited Airlines

Sat 5/3110:10 pmIAD - PRG

1 stop13h 40mUnited Airlines

Deal found 4/21

$694

Thu 5/159:35 amPRG - IAD

1 stop15h 50mLufthansa

Sat 5/3110:20 pmIAD - PRG

1 stop17h 00mLufthansa

Deal found 4/21

$709

Thu 5/156:00 amPRG - IAD

2 stops16h 45mDelta

Sat 5/319:20 pmIAD - PRG

1 stop18h 25mDelta

Deal found 4/21

$729

Wed 5/211:40 pmPRG - IAD

1 stop31h 40mTAP AIR PORTUGAL

Wed 9/245:50 pmIAD - PRG

1 stop12h 40mTAP AIR PORTUGAL

Deal found 4/22

$707

Fri 5/308:55 pmPRG - IAD

1 stop29h 04mScandinavian Airlines

Mon 6/910:05 pmIAD - PRG

1 stop29h 40mScandinavian Airlines

Deal found 4/22

$671

Fri 5/307:10 amPRG - IAD

1 stop18h 55mAmerican Airlines

Sat 6/1410:45 pmIAD - PRG

1 stop11h 45mAmerican Airlines

Deal found 4/21

$699

Fri 5/307:30 amPRG - IAD

2 stops38h 05mAustrian Airlines

Mon 6/96:35 pmIAD - PRG

2 stops21h 15mAustrian Airlines

Deal found 4/22

$808

One-way flights from Prague to Dulles Intl
Search for one-way flight options from Prague to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Thu 6/59:45 pmPRG - IAD

2 stops48h 59mMultiple Airlines

Deal found 4/21

$374

Tue 5/137:30 pmPRG - IAD

1 stop25h 50mTAP AIR PORTUGAL

Deal found 4/21

$425

Wed 10/152:00 pmPRG - IAD

1 stop14h 10mIcelandair

Deal found 4/21

$563

Sat 9/611:50 amPRG - IAD

1 stop13h 05mAer Lingus

Deal found 4/22

$635

Fri 7/410:05 amPRG - IAD

1 stop16h 05mBritish Airways

Deal found 4/21

$665

Thu 6/262:05 pmPRG - IAD

1 stop33h 25mAmerican Airlines

Deal found 4/21

$675

Sun 5/258:10 amPRG - IAD

2 stops18h 00mFinnair

Deal found 4/21

$719

Fri 5/210:25 amPRG - IAD

2 stops15h 34mScandinavian Airlines

Deal found 4/21

$738

Mon 4/287:30 amPRG - IAD

1 stop13h 05mAustrian Airlines

Deal found 4/22

$780

Sun 6/293:35 pmPRG - IAD

2 stops34h 35mIberia

Deal found 4/21

$781

Cheapflights Fare Finder

Use the filters below to find and compare flights from Prague 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

Wed 10/1

2:00 pm-10:10 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Fri 10/31

8:40 pm-12:00 pm

1 stop10h 20m

$600

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 6/26

6:50 am-2:25 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sun 7/27

2:25 pm-12:10 pm

1 stop15h 45m

$661

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 9/1

8:45 pm-7:59 pm

1 stop29h 14m

Washington, D.C. Dulles Intl

Mon 9/15

10:05 pm-8:15 pm

1 stop16h 10m

$664

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/15

9:00 am-7:25 pm

2 stops16h 25m

Washington, D.C. Dulles Intl

Sat 5/31

3:25 pm-5:50 pm

2 stops20h 25m

$681

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 5/21

1:40 pm-3:20 pm

1 stop31h 40m

Washington, D.C. Dulles Intl

Wed 9/24

5:50 pm-12:30 pm

1 stop12h 40m

$707

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 5/9

7:10 am-5:25 pm

1 stop16h 15m

Washington, D.C. Dulles Intl

Fri 5/23

10:40 pm-11:00 pm

1 stop18h 20m

$708

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/15

9:35 am-7:25 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Sat 5/31

10:20 pm-9:20 pm

1 stop17h 00m

$709

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 7/1

7:10 pm-3:25 pm

1 stop26h 15m

Washington, D.C. Dulles Intl

Fri 7/25

5:45 pm-6:25 pm

1 stop18h 40m

$715

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 5/15

6:00 am-4:45 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Sat 5/31

9:20 pm-9:45 pm

1 stop18h 25m

$729

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 6/27

6:50 am-4:19 pm

2 stops15h 29m

Washington, D.C. Dulles Intl

Sun 7/27

2:25 pm-12:10 pm

1 stop15h 45m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 25 results

Compare providers for flights from Prague to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Prague to Dulles Intl in April.

Provider	Price Accuracy	Trust Score*
oojo	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy2 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Prague-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Prague-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Prague-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Prague-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Prague to Dulles Intl

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

Rainfall in Dulles Intl 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

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

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

1,272 reviews

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

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

1,582 reviews

Delta

8.0

Very good

7,920 reviews

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

United Airlines

7.4

Good

8,683 reviews

Delta

8.0

Very good

7,920 reviews

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

What airport do you fly from for flights from Prague to Washington, D.C. Dulles Intl?
Václav Havel Prague (PRG) is the airport you will fly out of if you book a flight from Prague to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Václav Havel Prague; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Prague airport to Washington, D.C. Dulles Intl. It is only a 6.9 mi journey to Václav Havel Prague (PRG) from Prague’s city center.
What are the cheapest airlines flying from Prague to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $600, Icelandair will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Scandinavian Airlines - these airlines can fly you to your destination from $661 and $664, respectively. Icelandair is priced at 17% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Prague to Washington, D.C. Dulles Intl Airport one-way?
$425 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from $563 and $635, respectively.
Can I find deals for flights from Prague to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Prague to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Prague to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to Dulles Intl.
Can I find deals for business class flights from Prague to Dulles Intl?
Yes. Cheapflights offers flight deals from Prague 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 Prague to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Prague to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Prague to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Prague to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$613	Average$730	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$627	Average$645	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$658	Average$756	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$717	Average$823	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$779	Average$906	FlexibilityNo cancel fee	On-time75%

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$374+ Cheap flights from Prague (PRG) 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Prague to Dulles Intl

Cheapest flights from Prague to Dulles IntlExplore the most affordable flight options available from Prague to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Prague to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

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Use the filters below to find and compare flights from Prague to Washington, D.C. Dulles Intl Airport that are best for you.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Best time to book a flight from Prague to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Prague with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Prague 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.

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Prague to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Cheapest flights from Prague to Dulles Intl
Explore the most affordable flight options available from Prague to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.