Cheap flights from Washington, D.C. Dulles Intl Airport to Prague from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Prague departing on 5/4. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Prague

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:20 pm - 2:40 pm
IAD
-
PRG
12h 20m
1 stop
Scandinavian Airlines Logo
9:30 pm - 5:00 pm
PRG
-
IAD
25h 30m
1 stop
$596Scandinavian Airlines
Sat, Sep 12 - Sun, Sep 20
Scandinavian Airlines Logo
8:20 pm - 8:50 pm
IAD
-
PRG
18h 30m
1 stop
Scandinavian Airlines Logo
8:55 pm - 5:00 pm
PRG
-
IAD
26h 05m
1 stop
$598Scandinavian Airlines
Sat, Sep 19 - Sat, Oct 3
Scandinavian Airlines Logo
8:20 pm - 2:40 pm
IAD
-
PRG
12h 20m
1 stop
Scandinavian Airlines Logo
8:55 pm - 5:00 pm
PRG
-
IAD
26h 05m
1 stop
$600Scandinavian Airlines
Thu, Oct 15 - Thu, Oct 22
Scandinavian Airlines Logo
8:20 pm - 5:55 pm
IAD
-
PRG
39h 35m
2 stops
Scandinavian Airlines Logo
10:20 am - 5:00 pm
PRG
-
IAD
12h 40m
1 stop
$602Scandinavian Airlines
Sun, Sep 27 - Thu, Oct 1
Turkish Airlines Logo
1:20 pm - 2:25 pm
IAD
-
PRG
19h 05m
1 stop
Turkish Airlines Logo
9:35 am - 8:15 pm
PRG
-
IAD
15h 40m
1 stop
$608Turkish Airlines
Wed, Oct 14 - Wed, Oct 28
Scandinavian Airlines Logo
8:20 pm - 9:40 am
IAD
-
PRG
31h 20m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:00 pm
PRG
-
IAD
12h 40m
1 stop
$609Scandinavian Airlines
Mon, May 4 - Mon, May 18
Turkish Airlines Logo
1:20 pm - 2:25 pm
IAD
-
PRG
19h 05m
1 stop
Turkish Airlines Logo
9:15 am - 11:35 am
PRG
-
IAD
32h 20m
1 stop
$610Turkish Airlines
Thu, Sep 3 - Mon, Sep 7
Turkish Airlines Logo
1:20 pm - 6:15 pm
IAD
-
PRG
22h 55m
1 stop
Turkish Airlines Logo
7:20 pm - 11:35 am
PRG
-
IAD
22h 15m
1 stop
$611Turkish Airlines
Sat, Sep 19 - Fri, Sep 25
Scandinavian Airlines Logo
8:20 pm - 2:40 pm
IAD
-
PRG
12h 20m
1 stop
Scandinavian Airlines Logo
10:20 am - 5:00 pm
PRG
-
IAD
12h 40m
1 stop
$612Scandinavian Airlines
Mon, Sep 28 - Fri, Oct 2
Turkish Airlines Logo
9:45 pm - 6:25 pm
IAD
-
PRG
14h 40m
1 stop
Turkish Airlines Logo
7:20 pm - 11:35 am
PRG
-
IAD
22h 15m
1 stop
$614Turkish Airlines
Wed, Oct 14 - Wed, Oct 21

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
Sep 12
IAD8:20 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
PRG2:40 pmVáclav Havel Prague
Sep 20
PRG9:30 pmVáclav Havel Prague
25h 30m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$596
Scandinavian Airlines
Sep 12
IAD8:20 pmWashington, D.C. Dulles Intl
17h 55m
2 stops
PRG8:15 pmVáclav Havel Prague
Sep 30
PRG8:55 pmVáclav Havel Prague
26h 05m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$600
Scandinavian Airlines
Sep 27
IAD8:20 pmWashington, D.C. Dulles Intl
39h 35m
2 stops
PRG5:55 pmVáclav Havel Prague
Oct 1
PRG10:20 amVáclav Havel Prague
12h 40m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$602

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

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Prague flight tickets
Turkish Airlines
Oct 14
IAD1:20 pmWashington, D.C. Dulles Intl
19h 05m
1 stop
PRG2:25 pmVáclav Havel Prague
Oct 28
PRG9:35 amVáclav Havel Prague
15h 40m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
$608
Turkish Airlines
Sep 3
IAD1:20 pmWashington, D.C. Dulles Intl
19h 05m
1 stop
PRG2:25 pmVáclav Havel Prague
Sep 7
PRG9:15 amVáclav Havel Prague
32h 20m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$610
Turkish Airlines
Sep 14
IAD1:20 pmWashington, D.C. Dulles Intl
19h 05m
1 stop
PRG2:25 pmVáclav Havel Prague
Sep 28
PRG1:55 pmVáclav Havel Prague
27h 40m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$611

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Prague that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 18, 2026.
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

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 9/12

8:20 pm-2:40 pm

1 stop12h 20m

Václav Havel Prague

Sun 9/20

9:30 pm-5:00 pm

1 stop25h 30m

$596

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 9/19

8:20 pm-8:50 pm

1 stop18h 30m

Václav Havel Prague

Sat 10/3

8:55 pm-5:00 pm

1 stop26h 05m

$598

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/15

8:20 pm-2:40 pm

1 stop12h 20m

Václav Havel Prague

Thu 10/22

8:55 pm-5:00 pm

1 stop26h 05m

$600

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 9/27

8:20 pm-5:55 pm

2 stops39h 35m

Václav Havel Prague

Thu 10/1

10:20 am-5:00 pm

1 stop12h 40m

$602

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 10/14

1:20 pm-2:25 pm

1 stop19h 05m

Václav Havel Prague

Wed 10/28

9:35 am-8:15 pm

1 stop15h 40m

$608

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/4

8:20 pm-9:40 am

1 stop31h 20m

Václav Havel Prague

Mon 5/18

10:20 am-5:00 pm

1 stop12h 40m

$609

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 9/3

1:20 pm-2:25 pm

1 stop19h 05m

Václav Havel Prague

Mon 9/7

9:15 am-11:35 am

1 stop32h 20m

$610

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 9/19

1:20 pm-6:15 pm

1 stop22h 55m

Václav Havel Prague

Fri 9/25

7:20 pm-11:35 am

1 stop22h 15m

$611
Quickest round-trip

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 9/28

8:20 pm-2:40 pm

1 stop12h 20m

Václav Havel Prague

Fri 10/2

10:20 am-5:00 pm

1 stop12h 40m

$612

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 10/14

9:45 pm-6:25 pm

1 stop14h 40m

Václav Havel Prague

Wed 10/21

7:20 pm-11:35 am

1 stop22h 15m

$614

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Prague from

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?

In general, October 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 $497. If you are unable to visit Prague during the month of October, then departing from Washington, D.C. Dulles Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $600.

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 $692 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 $540 on momondo.

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

You could potentially save up to 22% 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 April 2026, prices for Washington, D.C. Dulles Intl Airport to Prague flights are approximately 18% 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

11h 55m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Prague takes 11h 55m
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.

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 11h 55m, 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?

  • 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?

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
IcelandairPriceFrom $427Free CancellationRating
7.0
636 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $427Free CancellationRating
7.3
1,751 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $469Free CancellationRating
7.1
2,210 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $525Free CancellationRating
7.9
8,422 reviews
Search Delta flights
SWISSPriceFrom $526Free CancellationRating
7.6
1,923 reviews
Search SWISS flights
Turkish AirlinesPriceFrom $545Free CancellationRating
7.3
4,308 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $547Free CancellationRating
6.7
7,894 reviews
Search British Airways flights
LufthansaPriceFrom $563Free CancellationRating
6.8
7,930 reviews
Search Lufthansa flights
United AirlinesPriceFrom $563Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
Aer LingusPriceFrom $628Free CancellationRating
7.3
1,513 reviews
Search Aer Lingus flights

Traveling to a place near Prague?

Book flights to Prague if you plan to visit one of these locations
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.

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1 adult
Mon 5/18
Mon 5/25

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