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

Reykjavik (KEF) has the shortest average layover time for this route: 0h 51m.

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

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $493.

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

Scandinavian Airlines, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Washington, D.C. Dulles Intl to Václav Havel Prague

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: 20% of momondo users choosing 1-stop flights on this route connected there.

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: 10h 17m.

What airlines fly to Prague?

United Airlines, Scandinavian 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. United Airlines is the first choice among our users, with 37% 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.

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 November 2025, 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.

$265 Cheap Flights from Washington, D.C. Dulles Intl Airport to Prague in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $554 to $715. The lowest price recently found on this route was $505.

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

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 pm - 2:20 pmIAD-PRG

11h 50m1 stop

3:20 pm - 4:50 pmPRG-IAD

31h 30m1 stop

$505Scandinavian Airlines

Find Deal

Mon, Mar 23 - Tue, Apr 7

12:19 pm - 9:45 amIAD-PRG

15h 26m2 stops

7:20 pm - 5:15 pmPRG-IAD

27h 55m1 stop

$506Scandinavian Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 23

12:19 pm - 2:20 pmIAD-PRG

20h 01m2 stops

3:00 pm - 5:15 pmPRG-IAD

32h 15m1 stop

$507Scandinavian Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 10

1:30 pm - 1:50 pmIAD-PRG

18h 20m1 stop

2:45 pm - 11:45 amPRG-IAD

27h 00m1 stop

$516Turkish Airlines

Find Deal

Mon, Dec 1 - Tue, Dec 9

1:30 pm - 1:50 pmIAD-PRG

18h 20m1 stop

2:45 pm - 11:45 amPRG-IAD

27h 00m1 stop

$517Turkish Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

5:30 pm - 11:40 amIAD-PRG

12h 10m1 stop

12:30 pm - 9:00 pmPRG-IAD

14h 30m1 stop

$527TAP AIR PORTUGAL

Find Deal

Tue, Dec 2 - Wed, Dec 10

10:30 pm - 11:05 amIAD-PRG

30h 35m1 stop

12:30 pm - 9:00 pmPRG-IAD

14h 30m1 stop

$531TAP AIR PORTUGAL

Find Deal

Wed, Dec 3 - Wed, Dec 10

7:40 pm - 11:55 amIAD-PRG

10h 15m1 stop

12:50 pm - 6:30 pmPRG-IAD

11h 40m1 stop

$539Icelandair

Find Deal

Sun, Nov 16 - Sat, Nov 22

8:40 pm - 11:55 amIAD-PRG

10h 15m1 stop

12:50 pm - 7:30 pmPRG-IAD

11h 40m1 stop

$566Icelandair

Find Deal

Fri, Mar 13 - Sat, Mar 21

9:45 am - 8:45 amIAD-PRG

17h 00m2 stops

10:15 am - 8:30 pmPRG-IAD

16h 15m2 stops

$575Multiple Airlines

Find Deal

Wed, Feb 4 - Wed, Feb 18

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

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

Scandinavian Airlines

Mar 23

IAD9:30 pmWashington, D.C. Dulles Intl

11h 50m

1 stop

PRG2:20 pmVáclav Havel Prague

Apr 7

PRG3:20 pmVáclav Havel Prague

31h 30m

1 stop

IAD4:50 pmWashington, D.C. Dulles Intl

$505

Find similar

Scandinavian Airlines

Dec 2

IAD12:19 pmWashington, D.C. Dulles Intl

15h 26m

2 stops

PRG9:45 amVáclav Havel Prague

Dec 23

PRG7:20 pmVáclav Havel Prague

27h 55m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$506

Find similar

Scandinavian Airlines

Dec 2

IAD12:19 pmWashington, D.C. Dulles Intl

20h 01m

2 stops

PRG2:20 pmVáclav Havel Prague

Dec 10

PRG3:00 pmVáclav Havel Prague

32h 15m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$507

Find similar

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

Nov 16

IAD7:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

PRG11:55 amVáclav Havel Prague

Nov 22

PRG12:50 pmVáclav Havel Prague

11h 40m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$539

Find similar

Icelandair

Mar 13

IAD8:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

PRG11:55 amVáclav Havel Prague

Mar 21

PRG12:50 pmVáclav Havel Prague

11h 40m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$566

Find similar

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

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-2:20 pm

1 stop11h 50m

Václav Havel Prague

Tue 4/7

3:20 pm-4:50 pm

1 stop31h 30m

$505

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

12:19 pm-9:45 am

2 stops15h 26m

Václav Havel Prague

Tue 12/23

7:20 pm-5:15 pm

1 stop27h 55m

$506

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

12:19 pm-2:20 pm

2 stops20h 01m

Václav Havel Prague

Wed 12/10

3:00 pm-5:15 pm

1 stop32h 15m

$507

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 12/1

1:30 pm-1:50 pm

1 stop18h 20m

Václav Havel Prague

Tue 12/9

2:45 pm-11:45 am

1 stop27h 00m

$516

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

1:30 pm-1:50 pm

1 stop18h 20m

Václav Havel Prague

Tue 12/9

2:45 pm-11:45 am

1 stop27h 00m

$517

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 12/2

5:30 pm-11:40 am

1 stop12h 10m

Václav Havel Prague

Wed 12/10

12:30 pm-9:00 pm

1 stop14h 30m

$527

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 12/3

10:30 pm-11:05 am

1 stop30h 35m

Václav Havel Prague

Wed 12/10

12:30 pm-9:00 pm

1 stop14h 30m

$531

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 11/16

7:40 pm-11:55 am

1 stop10h 15m

Václav Havel Prague

Sat 11/22

12:50 pm-6:30 pm

1 stop11h 40m

$539

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 3/13

8:40 pm-11:55 am

1 stop10h 15m

Václav Havel Prague

Sat 3/21

12:50 pm-7:30 pm

1 stop11h 40m

$566

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 2/4

9:45 am-8:45 am

2 stops17h 00m

Václav Havel Prague

Wed 2/18

10:15 am-8:30 pm

2 stops16h 15m

$575

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?

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 $580. If you are unable to visit Prague during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $582.

What is the cheapest day to depart on your flight to Prague?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Prague is on a Tuesday. Travelers who choose to depart for Prague on a Tuesday will often find tickets for as low as $763. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Prague for around $941.

What is the cheapest time of day to depart on your flight to Prague?

According to our data, the cheapest time of day to fly to Prague is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Prague at noon for as low as $747. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $893. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 $721 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 $522 on momondo.

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

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Prague flights are approximately 23% more expensive 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

Direct flights	None

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.

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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 November 2025, 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 United Airlines, making up 24% of the total bookings. Other popular airlines include Scandinavian Airlines with 16%, Lufthansa with 15%, and British Airways with 11%.

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 $416	Free Cancellation	Rating 7.1 572 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $427	Free Cancellation	Rating 7.4 1,564 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $479	Free Cancellation	Rating 7.1 2,048 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $486	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights
Delta	PriceFrom $525	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
British Airways	PriceFrom $547	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $561	Free Cancellation	Rating 7.3 4,032 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $563	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
United Airlines	PriceFrom $563	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $578	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus 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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Cheap flights from Washington, D.C. Dulles Intl Airport to Prague from $265

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Our best Icelandair 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.

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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

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?

What is the cheapest day to depart on your flight to Prague?

What is the cheapest time of day to depart on your flight to Prague?

How far in advance should I book a flight to Prague?

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

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Prague flights are approximately 23% more expensive when compared to flights at the same time last year.

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

Scandinavian Airlines, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Washington, D.C. Dulles Intl to Václav Havel Prague

What airlines fly to Prague?

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: 20% 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 Copenhagen (CPH) offer the lowest average round-trip price of $493.

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: 10h 17m.

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

Reykjavik (KEF) has the shortest average layover time for this route: 0h 51m.

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

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

Direct flights

How far is Washington, D.C. Dulles Intl to Václav Havel Prague by plane?

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

How many operators does momondo search 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?

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

What is the most popular airline 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?

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

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

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

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

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