Which airport is the most popular layover for flights between Prague and Washington, D.C. Dulles Intl Airport?

Dublin (DUB) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Václav Havel Prague to Washington, D.C. Dulles Intl?

British Airways is the most popular carrier operating from Václav Havel Prague to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Icelandair, United Airlines and KLM are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Prague according to our data. Icelandair is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Prague to Washington, D.C. Dulles Intl Airport?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $598.

Which layover airport has the shortest travel time from Prague to Washington, D.C. Dulles Intl Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 20m.

Which layover airport has the shortest connection time from Prague to Washington, D.C. Dulles Intl Airport?

Reykjavik (KEF) has the shortest average layover time for this route: 0h 50m.

When did momondo last update prices for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport were last updated today.

How many operators does momondo search for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?

There are 5 operators available for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport as of July 2026.

How old do you have to be to fly from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$396 Cheap Flights from Prague to Washington, D.C. Dulles Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Prague and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $744 to $1,721. The lowest price recently found on this route was $595.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Prague to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$595Icelandair

Fri, Aug 28 - Thu, Sep 10

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$596Icelandair

Fri, Aug 28 - Thu, Sep 10

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$597Icelandair

Fri, Aug 21 - Sun, Sep 6

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$598Icelandair

Fri, Aug 28 - Thu, Sep 10

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$603Icelandair

Fri, Aug 21 - Sun, Aug 30

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$606Icelandair

Fri, Aug 28 - Thu, Sep 10

2:00 pm - 10:15 pm

PRG

IAD

14h 15m

1 stop

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

$607Icelandair

Fri, Aug 28 - Thu, Sep 10

7:15 pm - 8:35 pm

PRG

IAD

31h 20m

1 stop

10:30 pm - 6:25 pm

IAD

PRG

13h 55m

1 stop

$626TAP AIR PORTUGAL

Tue, Dec 15 - Wed, Jan 13

7:30 pm - 8:35 pm

PRG

IAD

31h 05m

1 stop

10:35 pm - 12:30 pm

IAD

PRG

31h 55m

1 stop

$629TAP AIR PORTUGAL

Tue, Sep 1 - Tue, Sep 8

7:30 pm - 3:10 pm

PRG

IAD

25h 40m

1 stop

5:05 pm - 12:30 pm

IAD

PRG

13h 25m

1 stop

$642TAP AIR PORTUGAL

Tue, Sep 1 - Tue, Sep 15

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Icelandair flights from Prague to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

Aug 28

PRG2:00 pmVáclav Havel Prague

14h 15m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

Sep 10

IAD8:30 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

PRG1:05 pmVáclav Havel Prague

$595

Icelandair

Aug 28

PRG2:00 pmVáclav Havel Prague

14h 15m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

Sep 10

IAD8:30 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

PRG1:05 pmVáclav Havel Prague

$596

Icelandair

Aug 21

PRG2:00 pmVáclav Havel Prague

14h 15m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

Sep 6

IAD8:30 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

PRG1:05 pmVáclav Havel Prague

$597

TAP AIR PORTUGAL flights from Prague to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets

TAP AIR PORTUGAL

Dec 15

PRG7:15 pmVáclav Havel Prague

31h 20m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

Jan 13

IAD10:30 pmWashington, D.C. Dulles Intl

13h 55m

1 stop

PRG6:25 pmVáclav Havel Prague

$626

TAP AIR PORTUGAL

Sep 1

PRG7:30 pmVáclav Havel Prague

31h 05m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

Sep 8

IAD10:35 pmWashington, D.C. Dulles Intl

31h 55m

1 stop

PRG12:30 pmVáclav Havel Prague

$629

TAP AIR PORTUGAL

Sep 1

PRG7:30 pmVáclav Havel Prague

25h 40m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

Sep 15

IAD5:05 pmWashington, D.C. Dulles Intl

13h 25m

1 stop

PRG12:30 pmVáclav Havel Prague

$642

momondo 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

Cheapest round-trip

Quickest round-trip

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/28

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 9/10

8:30 pm-1:05 pm

1 stop10h 35m

$595

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/28

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 9/10

8:30 pm-1:05 pm

1 stop10h 35m

$596

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/21

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-1:05 pm

1 stop10h 35m

$597

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/28

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 9/10

8:30 pm-1:05 pm

1 stop10h 35m

$598

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/21

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-1:05 pm

1 stop10h 35m

$603

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/28

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 9/10

8:30 pm-1:05 pm

1 stop10h 35m

$606

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 8/28

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 9/10

8:30 pm-1:05 pm

1 stop10h 35m

$607

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 12/15

7:15 pm-8:35 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Wed 1/13

10:30 pm-6:25 pm

1 stop13h 55m

$626

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 9/1

7:30 pm-8:35 pm

1 stop31h 05m

Washington, D.C. Dulles Intl

Tue 9/8

10:35 pm-12:30 pm

1 stop31h 55m

$629

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 9/1

7:30 pm-3:10 pm

1 stop25h 40m

Washington, D.C. Dulles Intl

Tue 9/15

5:05 pm-12:30 pm

1 stop13h 25m

$642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Prague to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Prague and Washington, D.C. Dulles Intl Airport?

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

In general, January is the cheapest month to fly from Prague to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $638. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $704.

How have Prague to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2026, prices for Prague to Washington, D.C. Dulles Intl Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Prague to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Prague to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Prague to Washington, D.C. Dulles Intl Airport (PRG to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Prague to Washington, D.C. Dulles Intl Airport

Fastest flight time	13h 00m
Direct flights	None

The fastest flight from Prague to Washington, D.C. Dulles Intl Airport takes 13h 00m

There are no direct flights from Prague to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Prague to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Prague to Washington, D.C. Dulles Intl Airport

How far is Václav Havel Prague to Washington, D.C. Dulles Intl by plane?
There are 4296.7 mi between Václav Havel Prague and Washington, D.C. Dulles Intl. 13h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?
There are 5 operators available for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport as of July 2026.
How old do you have to be to fly from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Prague to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Prague to Washington, D.C. Dulles Intl Airport is Icelandair, representing 28% of all bookings. The subsequent popular airlines are United Airlines at 24%, KLM at 22%, and Aer Lingus at 13%.

Best airlines flying from Prague to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Prague to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $596	Free Cancellation	Rating 7.0 715 reviews	Search Icelandair flights
Lufthansa	PriceFrom $674	Free Cancellation	Rating 6.8 8,153 reviews	Search Lufthansa flights
United Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 10,015 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $726	Free Cancellation	Rating 7.3 1,675 reviews	Search Aer Lingus flights
KLM	PriceFrom $850	Free Cancellation	Rating 7.8 1,543 reviews	Search KLM flights

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Why use momondo?

Why should I use momondo to find a flight deal from Prague to Washington, D.C.?

It is quick and easy to find Prague to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Prague to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Prague to Washington, D.C. flights to just show those with flexible booking policies.

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Once all potential Prague to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Prague to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Prague to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Prague to Washington, D.C. from $396

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Prague to Washington, D.C. departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from Prague to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets

TAP AIR PORTUGAL flights from Prague to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Prague to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Prague and Washington, D.C. Dulles Intl Airport?

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

How have Prague to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Václav Havel Prague to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Prague and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Prague to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Prague to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Prague to Washington, D.C. Dulles Intl Airport?

When to book flights from Prague to Washington, D.C. Dulles Intl Airport

Cheap Prague to Washington, D.C. Dulles Intl Airport (PRG to IAD) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Prague to Washington, D.C. Dulles Intl Airport

Best airlines flying from Prague to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Prague to Washington, D.C. Dulles Intl Airport with momondo

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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