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

Currently priced at $445, TAP AIR PORTUGAL will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and SWISS - these airlines can fly you to your destination from $550 and $632, respectively. TAP AIR PORTUGAL is priced at 38% 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?

$577 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Icelandair and Scandinavian Airlines, with prices starting from $589 and $598, 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 July is currently the most expensive (average of $349). 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 54% 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 $637 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 $851 for flights departing within the next 3 days.

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

October is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Prague. Prices for October average $745 per person but you can even find prices for as low as $300. The most expensive prices can be found in the month of November. Opting for a October flight can save you 20% 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.

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.

$445+ Flights from Prague to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Prague to Dulles Intl with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Prague to Dulles Intl

Round-trip from	$445 (oojo)
Popular in	September
Cheapest in	February
Average price	$776

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

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 12, 2025.

Tue 11/257:15 pmPRG - IAD

1 stop31h 45mTAP AIR PORTUGAL

Wed 12/310:30 pmIAD - PRG

1 stop13h 55mTAP AIR PORTUGAL

Deal found 6/10

$445

Tue 11/257:20 pmPRG - IAD

1 stop27h 55mScandinavian Airlines

Thu 12/48:30 pmIAD - PRG

1 stop11h 50mScandinavian Airlines

Deal found 6/11

$550

Mon 8/257:10 pmPRG - IAD

1 stop27h 05mSWISS

Sat 11/88:45 pmIAD - PRG

1 stop11h 10mSWISS

Deal found 6/10

$632

Tue 6/246:00 amPRG - IAD

2 stops21h 01mUnited Airlines

Tue 7/13:45 pmIAD - PRG

2 stops15h 55mUnited Airlines

Deal found 6/11

$635

Mon 6/236:00 amPRG - IAD

1 stop15h 50mLufthansa

Sun 7/610:20 pmIAD - PRG

1 stop17h 00mLufthansa

Deal found 6/10

$638

Sun 11/303:00 pmPRG - IAD

2 stops30h 54mAir Canada

Mon 12/1512:40 pmIAD - PRG

2 stops19h 35mAir Canada

Deal found 6/11

$660

Fri 6/276:50 amPRG - IAD

1 stop12h 40mMultiple Airlines

Tue 7/110:10 pmIAD - PRG

1 stop13h 40mMultiple Airlines

Deal found 6/12

$665

Mon 6/234:45 pmPRG - IAD

2 stops53h 24mAustrian Airlines

Mon 6/306:35 pmIAD - PRG

2 stops15h 30mAustrian Airlines

Deal found 6/12

$693

Thu 6/1911:50 amPRG - IAD

1 stop13h 05mAer Lingus

Thu 6/265:20 pmIAD - PRG

1 stop11h 50mAer Lingus

Deal found 6/11

$708

Sun 6/227:30 pmPRG - IAD

2 stops54h 40mFinnair

Sun 6/2910:40 pmIAD - PRG

2 stops30h 10mFinnair

Deal found 6/12

$762

Mon 6/167:20 pmPRG - IAD

1 stop22h 25mTurkish Airlines

Tue 9/301:30 pmIAD - PRG

1 stop19h 00mTurkish Airlines

Deal found 6/12

$784

Thu 6/196:00 amPRG - IAD

1 stop15h 35mDelta

Thu 6/2612:13 pmIAD - PRG

2 stops16h 17mDelta

Deal found 6/12

$796

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 June 12, 2025.

Tue 11/257:15 pmPRG - IAD

1 stop31h 45mTAP AIR PORTUGAL

Wed 12/310:30 pmIAD - PRG

1 stop13h 55mTAP AIR PORTUGAL

Deal found 6/10

$445

Tue 11/257:20 pmPRG - IAD

1 stop27h 55mScandinavian Airlines

Thu 12/48:30 pmIAD - PRG

1 stop11h 50mScandinavian Airlines

Deal found 6/11

$550

Mon 8/257:10 pmPRG - IAD

1 stop27h 05mSWISS

Sat 11/88:45 pmIAD - PRG

1 stop11h 10mSWISS

Deal found 6/10

$632

Tue 6/246:00 amPRG - IAD

2 stops21h 01mUnited Airlines

Tue 7/13:45 pmIAD - PRG

2 stops15h 55mUnited Airlines

Deal found 6/11

$635

Mon 6/236:00 amPRG - IAD

1 stop15h 50mLufthansa

Sun 7/610:20 pmIAD - PRG

1 stop17h 00mLufthansa

Deal found 6/10

$638

Sun 11/303:00 pmPRG - IAD

2 stops30h 54mAir Canada

Mon 12/1512:40 pmIAD - PRG

2 stops19h 35mAir Canada

Deal found 6/11

$660

Sun 11/304:40 pmPRG - IAD

1 stop28h 00mAustrian Airlines

Mon 12/156:00 pmIAD - PRG

1 stop10h 30mAustrian Airlines

Deal found 6/11

$663

Fri 6/276:50 amPRG - IAD

1 stop12h 40mMultiple Airlines

Tue 7/110:10 pmIAD - PRG

1 stop13h 40mMultiple Airlines

Deal found 6/12

$665

Sun 6/227:30 pmPRG - IAD

2 stops54h 40mFinnair

Sun 6/2910:40 pmIAD - PRG

2 stops30h 10mFinnair

Deal found 6/12

$762

Mon 8/2511:50 amPRG - IAD

2 stops32h 30mBrussels Airlines

Sat 11/85:20 pmIAD - PRG

2 stops22h 50mBrussels Airlines

Deal found 6/10

$778

Thu 7/36:00 amPRG - IAD

2 stops16h 44mDelta

Fri 7/188:31 pmIAD - PRG

2 stops15h 14mDelta

Deal found 6/10

$919

Fri 11/711:40 amPRG - IAD

1 stop13h 50mAer Lingus

Mon 11/109:00 pmIAD - PRG

1 stop32h 00mAer Lingus

Deal found 6/12

$2,722

Last-minute flights from Prague to Dulles Intl
Discover last-minute flight deals from Prague to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Sun 6/152:00 pmPRG - IAD

1 stop14h 10mIcelandair

Sat 6/2111:15 pmIAD - PRG

1 stop31h 50mIcelandair

Deal found 6/12

$899

Mon 6/167:20 pmPRG - IAD

1 stop22h 25mTurkish Airlines

Tue 9/301:30 pmIAD - PRG

1 stop19h 00mTurkish Airlines

Deal found 6/12

$784

Mon 6/1610:25 amPRG - IAD

1 stop15h 34mScandinavian Airlines

Thu 10/210:05 pmIAD - PRG

1 stop29h 40mScandinavian Airlines

Deal found 6/12

$839

Tue 6/176:00 amPRG - IAD

1 stop15h 35mKLM

Fri 6/205:25 pmIAD - PRG

1 stop21h 20mKLM

Deal found 6/12

$994

Wed 6/181:40 pmPRG - IAD

1 stop25h 57mAir Canada

Mon 6/305:31 pmIAD - PRG

2 stops14h 09mAir Canada

Deal found 6/12

$732

Wed 6/182:00 pmPRG - IAD

1 stop11h 20mIcelandair

Sat 6/218:30 pmIAD - PRG

1 stop10h 35mIcelandair

Deal found 6/12

$834

Thu 6/1911:50 amPRG - IAD

1 stop13h 05mAer Lingus

Thu 6/265:20 pmIAD - PRG

1 stop11h 50mAer Lingus

Deal found 6/11

$708

Thu 6/191:15 pmPRG - IAD

2 stops32h 35mMultiple Airlines

Sat 7/510:20 pmIAD - PRG

2 stops16h 00mMultiple Airlines

Deal found 6/11

$790

Thu 6/196:00 amPRG - IAD

1 stop15h 35mDelta

Thu 6/2612:13 pmIAD - PRG

2 stops16h 17mDelta

Deal found 6/12

$796

Thu 6/197:30 amPRG - IAD

2 stops38h 39mAustrian Airlines

Tue 6/246:05 pmIAD - PRG

2 stops34h 30mAustrian Airlines

Deal found 6/12

$798

Thu 6/1910:25 amPRG - IAD

1 stop15h 34mScandinavian Airlines

Thu 6/1910:05 pmIAD - PRG

1 stop29h 40mScandinavian Airlines

Deal found 6/12

$1,442

Fri 6/202:30 pmPRG - IAD

2 stops27h 09mUnited Airlines

Sat 6/285:25 pmIAD - PRG

1 stop10h 15mUnited Airlines

Deal found 6/12

$642

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 June 12, 2025.

Thu 8/287:40 pmPRG - IAD

2 stops29h 32mMultiple Airlines

Deal found 6/10

$452

Sat 12/611:40 amPRG - IAD

1 stop13h 50mAer Lingus

Deal found 6/10

$577

Sun 9/72:00 pmPRG - IAD

1 stop11h 20mIcelandair

Deal found 6/10

$589

Mon 10/137:35 pmPRG - IAD

2 stops30h 24mScandinavian Airlines

Deal found 6/11

$598

Sat 9/137:20 amPRG - IAD

1 stop16h 15mBritish Airways

Deal found 6/10

$667

Fri 7/41:35 pmPRG - IAD

1 stop11h 50mLufthansa

Deal found 6/11

$668

Thu 8/281:40 pmPRG - IAD

1 stop13h 10mTAP AIR PORTUGAL

Deal found 6/10

$677

Mon 8/257:20 amPRG - IAD

2 stops41h 32mAmerican Airlines

Deal found 6/10

$688

Fri 10/106:00 amPRG - IAD

2 stops16h 31mDelta

Deal found 6/11

$732

Tue 7/296:20 amPRG - IAD

1 stop15h 55mSWISS

Deal found 6/10

$751

Thu 7/32:15 pmPRG - IAD

1 stop27h 30mTurkish Airlines

Deal found 6/11

$835

Sun 8/39:25 pmPRG - IAD

1 stop24h 10mKLM

Deal found 6/10

$844

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

Tue 11/25

7:15 pm-9:00 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Wed 12/3

10:30 pm-6:25 pm

1 stop13h 55m

$445

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 11/25

7:20 pm-5:15 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Thu 12/4

8:30 pm-2:20 pm

1 stop11h 50m

$550

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 8/25

7:10 pm-4:15 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Sat 11/8

8:45 pm-1:55 pm

1 stop11h 10m

$632

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 6/24

6:00 am-9:01 pm

2 stops21h 01m

Washington, D.C. Dulles Intl

Tue 7/1

5:25 pm-1:40 pm

1 stop14h 15m

$635

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 6/23

6:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Sun 7/6

10:20 pm-9:20 pm

1 stop17h 00m

$638

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 11/30

3:00 pm-3:54 pm

2 stops30h 54m

Washington, D.C. Dulles Intl

Mon 12/15

12:40 pm-2:15 pm

2 stops19h 35m

$660

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 11/30

4:40 pm-2:40 pm

1 stop28h 00m

Washington, D.C. Dulles Intl

Mon 12/15

6:00 pm-10:30 am

1 stop10h 30m

$663

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 6/27

6:50 am-1:30 pm

1 stop12h 40m

Washington, D.C. Dulles Intl

Tue 7/1

10:10 pm-5:50 pm

1 stop13h 40m

$665

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 6/22

7:30 pm-8:10 pm

2 stops54h 40m

Washington, D.C. Dulles Intl

Sun 6/29

10:40 pm-10:50 am

2 stops30h 10m

$762

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 8/25

11:50 am-2:20 pm

2 stops32h 30m

Washington, D.C. Dulles Intl

Sat 11/8

5:20 pm-10:10 pm

2 stops22h 50m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 26 results

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

Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Prague to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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!

SWISS

7.5

Good

1,623 reviews

Delta

8.0

Very good

7,946 reviews

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

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 $445, TAP AIR PORTUGAL will fly you from Prague to Washington, D.C. Dulles Intl Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and SWISS - these airlines can fly you to your destination from $550 and $632, respectively. TAP AIR PORTUGAL is priced at 38% 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?
$577 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Icelandair and Scandinavian Airlines, with prices starting from $589 and $598, 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 July is currently the most expensive (average of $349). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Sterling

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

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$810	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$627	Average$644	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$658	Average$756	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$723	Average$860	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$779	Average$953	FlexibilityNo cancel fee	On-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$445+ Cheap flights from Prague (PRG) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Prague to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Prague to Dulles Intl

Round-trip from

Popular in

Cheapest in

Average price

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 June 12, 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 June 12, 2025.

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.

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

Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Prague to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

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

Traveling to a place near Prague?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Prague to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Prague to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.