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

Frankfurt am Main (FRA) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Istanbul (IST) offer the lowest average round-trip price of $561.

What airlines fly to Prague?

Scandinavian Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Prague from Washington, D.C. Dulles Intl Airport according to our data. Scandinavian Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Prague. Keep in mind that there are 11 different airlines that fly to Prague on a routine basis, so you have a few additional options to choose from.

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

Istanbul (IST) has the shortest average layover time for this route: 1h 50m.

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

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 11h 02m.

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport are refreshed on a daily basis.

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

As of July 2026, there are 11 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport.

What documentation or ID do you need to fly to Václav Havel Prague Airport?

The travel and health documents required for your trip to Václav Havel Prague Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Václav Havel Prague Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$237 Cheap Flights from Washington, D.C. Dulles Intl Airport to Prague in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 pm - 11:55 am

IAD

PRG

10h 15m

1 stop

12:50 pm - 6:30 pm

PRG

IAD

11h 40m

1 stop

$622Icelandair

Sun, Dec 6 - Fri, Dec 11

5:40 pm - 6:20 pm

IAD

PRG

18h 40m

1 stop

7:30 pm - 3:10 pm

PRG

IAD

25h 40m

1 stop

$637TAP AIR PORTUGAL

Sun, Oct 11 - Sun, Oct 18

5:45 pm - 12:35 pm

IAD

PRG

12h 50m

1 stop

12:30 pm - 8:35 pm

PRG

IAD

14h 05m

1 stop

$637TAP AIR PORTUGAL

Thu, Oct 22 - Wed, Nov 4

8:20 pm - 11:15 am

IAD

PRG

32h 55m

3 stops

11:55 am - 5:00 pm

PRG

IAD

35h 05m

3 stops

$641Multiple Airlines

Wed, Sep 16 - Wed, Sep 30

8:20 pm - 11:15 am

IAD

PRG

32h 55m

3 stops

2:15 pm - 5:00 pm

PRG

IAD

32h 45m

3 stops

$676Multiple Airlines

Wed, Sep 16 - Wed, Sep 30

9:40 pm - 1:00 pm

IAD

PRG

33h 20m

1 stop

3:20 pm - 11:30 am

PRG

IAD

26h 10m

1 stop

$689Turkish Airlines

Wed, Sep 9 - Wed, Sep 16

9:20 pm - 6:25 pm

IAD

PRG

15h 05m

1 stop

7:25 pm - 7:25 pm

PRG

IAD

30h 00m

1 stop

$700Turkish Airlines

Fri, Jan 22 - Fri, Feb 5

8:20 pm - 2:40 pm

IAD

PRG

12h 20m

1 stop

8:20 pm - 5:00 pm

PRG

IAD

26h 40m

2 stops

$702Scandinavian Airlines

Wed, Sep 30 - Wed, Oct 7

8:20 pm - 8:15 pm

IAD

PRG

17h 55m

1 stop

8:20 pm - 5:00 pm

PRG

IAD

26h 40m

2 stops

$707Scandinavian Airlines

Wed, Sep 16 - Wed, Sep 30

8:30 pm - 1:05 pm

IAD

PRG

10h 35m

1 stop

2:00 pm - 7:20 pm

PRG

IAD

11h 20m

1 stop

$714Icelandair

Tue, Aug 25 - Wed, Sep 2

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

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

Icelandair

Dec 6

IAD7:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

PRG11:55 amVáclav Havel Prague

Dec 11

PRG12:50 pmVáclav Havel Prague

11h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$622

Icelandair

Nov 1

IAD7:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

PRG11:55 amVáclav Havel Prague

Nov 13

PRG12:50 pmVáclav Havel Prague

11h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$651

Icelandair

Aug 25

IAD8:30 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

PRG1:05 pmVáclav Havel Prague

Sep 2

PRG2:00 pmVáclav Havel Prague

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$714

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

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

TAP AIR PORTUGAL

Oct 22

IAD5:45 pmWashington, D.C. Dulles Intl

12h 50m

1 stop

PRG12:35 pmVáclav Havel Prague

Nov 4

PRG12:30 pmVáclav Havel Prague

14h 05m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$637

TAP AIR PORTUGAL

Aug 25

IAD10:35 pmWashington, D.C. Dulles Intl

31h 55m

1 stop

PRG12:30 pmVáclav Havel Prague

Sep 1

PRG7:30 pmVáclav Havel Prague

25h 40m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$641

TAP AIR PORTUGAL

Nov 2

IAD5:25 pmWashington, D.C. Dulles Intl

19h 00m

1 stop

PRG6:25 pmVáclav Havel Prague

Nov 9

PRG12:30 pmVáclav Havel Prague

32h 15m

1 stop

IAD2:45 pmWashington, D.C. Dulles Intl

$644

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 12/6

7:40 pm-11:55 am

1 stop10h 15m

Václav Havel Prague

Fri 12/11

12:50 pm-6:30 pm

1 stop11h 40m

$622

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 10/11

5:40 pm-6:20 pm

1 stop18h 40m

Václav Havel Prague

Sun 10/18

7:30 pm-3:10 pm

1 stop25h 40m

$637

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/22

5:45 pm-12:35 pm

1 stop12h 50m

Václav Havel Prague

Wed 11/4

12:30 pm-8:35 pm

1 stop14h 05m

$637

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/16

8:20 pm-11:15 am

3 stops32h 55m

Václav Havel Prague

Wed 9/30

11:55 am-5:00 pm

3 stops35h 05m

$641

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/16

8:20 pm-11:15 am

3 stops32h 55m

Václav Havel Prague

Wed 9/30

2:15 pm-5:00 pm

3 stops32h 45m

$676

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/9

9:40 pm-1:00 pm

1 stop33h 20m

Václav Havel Prague

Wed 9/16

3:20 pm-11:30 am

1 stop26h 10m

$689

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 1/22

9:20 pm-6:25 pm

1 stop15h 05m

Václav Havel Prague

Fri 2/5

7:25 pm-7:25 pm

1 stop30h 00m

$700

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/30

8:20 pm-2:40 pm

1 stop12h 20m

Václav Havel Prague

Wed 10/7

8:20 pm-5:00 pm

2 stops26h 40m

$702

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/16

8:20 pm-8:15 pm

1 stop17h 55m

Václav Havel Prague

Wed 9/30

8:20 pm-5:00 pm

2 stops26h 40m

$707

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 8/25

8:30 pm-1:05 pm

1 stop10h 35m

Václav Havel Prague

Wed 9/2

2:00 pm-7:20 pm

1 stop11h 20m

$714

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 Washington, D.C. Dulles Intl Airport to Prague

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 Washington, D.C. Dulles Intl Airport and Prague?

Prices are currently typical for flights on this route.

Typical prices usually range from $583 to $732.
The lowest price recently found on this route was $622.

What is the cheapest month to fly to Prague?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Prague. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you are unable to visit Prague during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around $606.

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

You are more likely to see cheaper flights to Prague from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Prague for around $716 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Prague from Washington, D.C. Dulles Intl Airport for as low as $588 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Prague flights?

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Prague flight.

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

As of July 2026, prices for Washington, D.C. Dulles Intl Airport to Prague flights are approximately 27% cheaper when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Prague takes 10h 15m

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

Search flight deals

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

How far is Washington, D.C. Dulles Intl to Václav Havel Prague by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Václav Havel Prague is 4296.7 mi. Flights usually cover this in 10h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?
As of July 2026, there are 11 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport.
What documentation or ID do you need to fly to Václav Havel Prague Airport?
The travel and health documents required for your trip to Václav Havel Prague Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Václav Havel Prague Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Prague?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Prague, the leading airline is Scandinavian Airlines, making up 32% of the total bookings. Other popular airlines include United Airlines with 17%, Lufthansa with 14%, and Aer Lingus with 9%.

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

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $427	Free Cancellation	Rating 7.0 715 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $436	Free Cancellation	Rating 7.4 1,903 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $469	Free Cancellation	Rating 7.2 2,349 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $486	Free Cancellation	Rating 7.5 2,017 reviews	Search SWISS flights
Turkish Airlines	PriceFrom $545	Free Cancellation	Rating 7.4 4,454 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $556	Free Cancellation	Rating 6.7 8,130 reviews	Search British Airways flights
United Airlines	PriceFrom $563	Free Cancellation	Rating 7.4 10,044 reviews	Search United Airlines flights
Lufthansa	PriceFrom $566	Free Cancellation	Rating 6.8 8,161 reviews	Search Lufthansa flights
Air France	PriceFrom $594	Free Cancellation	Rating 7.5 1,627 reviews	Search Air France flights
Delta	PriceFrom $647	Free Cancellation	Rating 7.8 8,492 reviews	Search Delta flights

Český Krumlov

Pilsen

Liberec

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Prague 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 Prague that suits you.

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

Flights from Washington, D.C. to Prague with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Prague?

Once you have performed a search for Washington, D.C. to Prague flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Prague, momondo offers a useful price alert feature which will track prices for flights to Prague from Washington, D.C. and alert you when they change.

An easier way to manage your Prague trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Scandinavian Airlines

Cheap flights from Washington, D.C. Dulles Intl Airport to Prague from $237

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

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

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

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

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

See travel insights to Prague from

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

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

What is the cheapest month to fly to Prague?

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Prague flights?

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

What airlines fly to Prague?

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

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

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

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

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

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

Fastest flight time

Direct flights

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

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

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

Traveling to a place near Prague?

Why use momondo?

An easier way to manage your Prague trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the Czech Republic

Fly your favorite airline to Prague

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Prague

List of cabin classes available on flights landing in Prague. Availability may vary depending on flight origin and airline.

Popular cities in the Czech Republic

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Dulles Intl Airport

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