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.

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.

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.

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

Icelandair, KLM and United Airlines 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 33% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 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.

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 4 operators available for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport as of September 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.

$442 Cheap Flights from Prague to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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

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7:30 pm - 7:20 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

29h 50m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

7:40 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

18h 30m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$590Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

2:00 pm - 7:20 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

11h 20m1 stop Reykjavik Keflavik Intl

8:40 pm - 11:55 amIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

10h 15m1 stop Reykjavik Keflavik Intl

$626Icelandair

Fri, Oct 9 - Sun, Oct 25

11:50 am - 7:10 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

13h 20m1 stop Dublin

5:15 pm - 11:00 amIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

11h 45m1 stop Dublin

$645Aer Lingus

Thu, Oct 22 - Sat, Nov 7

11:50 am - 7:10 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

13h 20m1 stop Dublin

5:15 pm - 11:00 amIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

11h 45m1 stop Dublin

$646Aer Lingus

Thu, Oct 22 - Sat, Nov 7

7:30 pm - 10:15 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

32h 45m3 stops Kastrup Copenhagen London Gatwick Reykjavik Keflavik Intl

8:30 pm - 9:10 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

18h 40m2 stops Reykjavik Keflavik Intl London Gatwick

$666Multiple Airlines

Fri, Sep 18 - Tue, Sep 22

2:30 pm - 7:20 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

34h 50m3 stops Frankfurt am Main London Heathrow Reykjavik Keflavik Intl

7:40 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

15h 00m2 stops Reykjavik Keflavik Intl London Gatwick

$679Multiple Airlines

Thu, Oct 22 - Sat, Nov 7

9:10 am - 4:05 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Frankfurt am Main

8:10 pm - 1:55 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

11h 45m1 stop Zurich

$926United Airlines

Thu, Oct 22 - Sat, Nov 7

9:10 am - 4:05 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Frankfurt am Main

8:10 pm - 1:55 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

11h 45m1 stop Zurich

$927United Airlines

Thu, Oct 22 - Sat, Nov 7

6:00 am - 3:49 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

15h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:32 pm - 1:45 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

13h 13m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$2,409KLM

Mon, Oct 12 - Tue, Oct 20

6:00 am - 3:49 pmPRG Václav Havel Prague-IAD Washington, D.C. Dulles Intl

15h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:15 pm - 1:45 pmIAD Washington, D.C. Dulles Intl-PRG Václav Havel Prague

13h 30m2 stops Paris Charles de Gaulle Amsterdam Schiphol

$2,545KLM

Mon, Oct 12 - Sun, Oct 18

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

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

Aer Lingus

Oct 22

PRG11:50 amVáclav Havel Prague

13h 20m

1 stop

IAD7:10 pmWashington, D.C. Dulles Intl

Nov 7

IAD5:15 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

PRG11:00 amVáclav Havel Prague

$645

Aer Lingus

Oct 22

PRG11:50 amVáclav Havel Prague

13h 20m

1 stop

IAD7:10 pmWashington, D.C. Dulles Intl

Nov 7

IAD5:15 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

PRG11:00 amVáclav Havel Prague

$646

Aer Lingus

Sep 30

PRG11:50 amVáclav Havel Prague

13h 35m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Oct 7

IAD5:15 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

PRG11:10 amVáclav Havel Prague

$702

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

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

Scandinavian Airlines

Oct 1

PRG10:20 amVáclav Havel Prague

12h 40m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

Oct 5

IAD8:20 pmWashington, D.C. Dulles Intl

31h 20m

1 stop

PRG9:40 amVáclav Havel Prague

$743

Scandinavian Airlines

Oct 16

PRG8:55 pmVáclav Havel Prague

26h 05m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

Oct 23

IAD8:20 pmWashington, D.C. Dulles Intl

17h 55m

1 stop

PRG8:15 pmVáclav Havel Prague

$754

Scandinavian Airlines

Nov 4

PRG3:00 pmVáclav Havel Prague

32h 15m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

Nov 8

IAD12:30 pmWashington, D.C. Dulles Intl

24h 10m

2 stops

PRG6:40 pmVáclav Havel Prague

$780

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

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

7:30 pm-7:20 pm

2 stops29h 50m

Washington, D.C. Dulles Intl

Sat 11/7

7:40 pm-8:10 pm

2 stops18h 30m

$590

Quickest round-trip

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Fri 10/9

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 10/25

8:40 pm-11:55 am

1 stop10h 15m

$626

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

11:50 am-7:10 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 11/7

5:15 pm-11:00 am

1 stop11h 45m

$645

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

11:50 am-7:10 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 11/7

5:15 pm-11:00 am

1 stop11h 45m

$646

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Fri 9/18

7:30 pm-10:15 pm

3 stops32h 45m

Washington, D.C. Dulles Intl

Tue 9/22

8:30 pm-9:10 pm

2 stops18h 40m

$666

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

2:30 pm-7:20 pm

3 stops34h 50m

Washington, D.C. Dulles Intl

Sat 11/7

7:40 pm-4:40 pm

2 stops15h 00m

$679

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

9:10 am-4:05 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sat 11/7

8:10 pm-1:55 pm

1 stop11h 45m

$926

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Thu 10/22

9:10 am-4:05 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sat 11/7

8:10 pm-1:55 pm

1 stop11h 45m

$927

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Mon 10/12

6:00 am-3:49 pm

2 stops15h 49m

Washington, D.C. Dulles Intl

Tue 10/20

6:32 pm-1:45 pm

2 stops13h 13m

$2,409

PragueWashington, D.C.

PRG Václav Havel Prague - IAD Washington, D.C. Dulles Intl

PRGIAD

Václav Havel Prague

Mon 10/12

6:00 am-3:49 pm

2 stops15h 49m

Washington, D.C. Dulles Intl

Sun 10/18

6:15 pm-1:45 pm

2 stops13h 30m

$2,545

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

In general, September 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 $600. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $638.

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

As of September 2026, prices for Prague to Washington, D.C. Dulles Intl Airport flights are approximately 8% 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

Best Price Found	$442
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Prague in the past 72 hours is $442. The best round-trip flight deal from Prague to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $590.

The fastest flight from Prague to Washington, D.C. Dulles Intl Airport takes 12h 50m

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. 12h 50m 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 4 operators available for flights from Václav Havel Prague Airport to Washington, D.C. Dulles Intl Airport as of September 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 33% of all bookings. The subsequent popular airlines are KLM at 25%, United Airlines at 25%, and Aer Lingus at 18%.

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 $598	Free Cancellation	Rating 6.9 741 reviews	Search Icelandair flights
United Airlines	PriceFrom $703	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $726	Free Cancellation	Rating 7.3 1,747 reviews	Search Aer Lingus flights
KLM	PriceFrom $850	Free Cancellation	Rating 7.8 1,568 reviews	Search KLM flights

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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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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 $442

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 12/16. 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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Aer Lingus flights from Prague to Washington, D.C. Dulles Intl Airport

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

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

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

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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.

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 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 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

Best Price Found

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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