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Cheap flights from Washington, D.C. Dulles Intl Airport to the Czech Republic from $237

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 the Czech Republic departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:35 pm - 6:15 pm
IAD
-
PRG
13h 40m
1 stop
TAP AIR PORTUGAL Logo
7:30 pm - 3:10 pm
PRG
-
IAD
25h 40m
1 stop
$637TAP AIR PORTUGAL
Mon, Aug 17 - Mon, Aug 31
TAP AIR PORTUGAL Logo
5:45 pm - 7:00 pm
IAD
-
PRG
19h 15m
1 stop
TAP AIR PORTUGAL Logo
7:30 pm - 3:10 pm
PRG
-
IAD
25h 40m
1 stop
$639TAP AIR PORTUGAL
Thu, Oct 15 - Tue, Oct 20
TAP AIR PORTUGAL Logo
10:35 pm - 12:30 pm
IAD
-
PRG
31h 55m
1 stop
TAP AIR PORTUGAL Logo
7:30 pm - 3:10 pm
PRG
-
IAD
25h 40m
1 stop
$641TAP AIR PORTUGAL
Tue, Sep 15 - Tue, Sep 29
TAP AIR PORTUGAL Logo
5:45 pm - 7:00 pm
IAD
-
PRG
19h 15m
1 stop
TAP AIR PORTUGAL Logo
12:30 pm - 3:15 pm
PRG
-
IAD
32h 45m
1 stop
$644TAP AIR PORTUGAL
Thu, Oct 22 - Wed, Nov 4
TAP AIR PORTUGAL Logo
5:45 pm - 7:00 pm
IAD
-
PRG
19h 15m
1 stop
TAP AIR PORTUGAL Logo
7:15 pm - 8:35 pm
PRG
-
IAD
31h 20m
1 stop
$645TAP AIR PORTUGAL
Thu, Oct 22 - Thu, Nov 5
TAP AIR PORTUGAL Logo
10:30 pm - 6:25 pm
IAD
-
PRG
13h 55m
1 stop
TAP AIR PORTUGAL Logo
12:30 pm - 2:45 pm
PRG
-
IAD
32h 15m
1 stop
$646TAP AIR PORTUGAL
Wed, Nov 25 - Mon, Nov 30
TAP AIR PORTUGAL Logo
10:30 pm - 6:25 pm
IAD
-
PRG
13h 55m
1 stop
TAP AIR PORTUGAL Logo
12:30 pm - 8:35 pm
PRG
-
IAD
14h 05m
1 stop
$647TAP AIR PORTUGAL
Fri, Nov 27 - Fri, Dec 4
TAP AIR PORTUGAL Logo
10:35 pm - 12:35 pm
IAD
-
PRG
32h 00m
1 stop
TAP AIR PORTUGAL Logo
12:30 pm - 3:15 pm
PRG
-
IAD
32h 45m
1 stop
$648TAP AIR PORTUGAL
Wed, Oct 21 - Wed, Nov 4
Icelandair Logo
7:40 pm - 11:55 am
IAD
-
PRG
10h 15m
1 stop
Icelandair Logo
12:50 pm - 6:30 pm
PRG
-
IAD
11h 40m
1 stop
$651Icelandair
Sun, Nov 1 - Fri, Nov 13
Multiple Airlines Logo
8:30 pm - 11:30 pm
IAD
-
BRQ
21h 00m
3 stops
Multiple Airlines Logo
11:00 am - 3:10 pm
BRQ
-
IAD
34h 10m
3 stops
$1,122Multiple Airlines
Wed, Aug 19 - Wed, Aug 26

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

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Czech Republic flight tickets
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
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
$715
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
$721

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Czech Republic flight tickets
Scandinavian Airlines
Aug 22
IAD8:20 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
PRG2:40 pmVáclav Havel Prague
Sep 4
PRG10:20 amVáclav Havel Prague
12h 40m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$674
Scandinavian Airlines
Aug 22
IAD8:20 pmWashington, D.C. Dulles Intl
17h 55m
2 stops
PRG8:15 pmVáclav Havel Prague
Sep 4
PRG10:20 amVáclav Havel Prague
12h 40m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$677
Scandinavian Airlines
Sep 30
IAD8:20 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
PRG2:40 pmVáclav Havel Prague
Oct 7
PRG8:20 pmVáclav Havel Prague
26h 40m
2 stops
IAD5:00 pmWashington, D.C. Dulles Intl
$702

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Czech Republic 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 July 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to the Czech Republic 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

Mon 8/17

10:35 pm-6:15 pm

1 stop13h 40m

Václav Havel Prague

Mon 8/31

7:30 pm-3:10 pm

1 stop25h 40m

$637

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/15

5:45 pm-7:00 pm

1 stop19h 15m

Václav Havel Prague

Tue 10/20

7:30 pm-3:10 pm

1 stop25h 40m

$639

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 9/15

10:35 pm-12:30 pm

1 stop31h 55m

Václav Havel Prague

Tue 9/29

7:30 pm-3:10 pm

1 stop25h 40m

$641

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/22

5:45 pm-7:00 pm

1 stop19h 15m

Václav Havel Prague

Wed 11/4

12:30 pm-3:15 pm

1 stop32h 45m

$644

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 10/22

5:45 pm-7:00 pm

1 stop19h 15m

Václav Havel Prague

Thu 11/5

7:15 pm-8:35 pm

1 stop31h 20m

$645

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 11/25

10:30 pm-6:25 pm

1 stop13h 55m

Václav Havel Prague

Mon 11/30

12:30 pm-2:45 pm

1 stop32h 15m

$646

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 11/27

10:30 pm-6:25 pm

1 stop13h 55m

Václav Havel Prague

Fri 12/4

12:30 pm-8:35 pm

1 stop14h 05m

$647

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 10/21

10:35 pm-12:35 pm

1 stop32h 00m

Václav Havel Prague

Wed 11/4

12:30 pm-3:15 pm

1 stop32h 45m

$648
Quickest round-trip

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 11/1

7:40 pm-11:55 am

1 stop10h 15m

Václav Havel Prague

Fri 11/13

12:50 pm-6:30 pm

1 stop11h 40m

$651

Washington, D.C.Brno

IAD - BRQ

IADBRQ

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-11:30 pm

3 stops21h 00m

Brno Turany

Wed 8/26

11:00 am-3:10 pm

3 stops34h 10m

$1,122

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 the Czech Republic from

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

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 cheapest month to fly to Czech Republic?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Czech Republic. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you aren’t able to travel to Czech Republic during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $606.

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

You are more likely to see cheaper flights to Czech Republic from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Czech Republic for around $723 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Czech Republic 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 Czech Republic flights?

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

Cheap Washington, D.C. Dulles Intl Airport to Czech Republic flight deals and tips

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

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Czech Republic takes 11h 40m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Czech Republic. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Czech Republic.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to the Czech Republic

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Czech Republic?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Czech Republic refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Czech Republic?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Czech Republic?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Czech Republic.

  • What documentation or ID do you need to fly to Czech Republic?

    The necessary travel and health documents for your Czech Republic trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Czech Republic with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $427Free CancellationRating
7.0
716 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $436Free CancellationRating
7.4
1,902 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $469Free CancellationRating
7.2
2,347 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $486Free CancellationRating
7.5
2,019 reviews
Search SWISS flights
Turkish AirlinesPriceFrom $545Free CancellationRating
7.4
4,452 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $556Free CancellationRating
6.7
8,132 reviews
Search British Airways flights
United AirlinesPriceFrom $563Free CancellationRating
7.4
10,036 reviews
Search United Airlines flights
LufthansaPriceFrom $566Free CancellationRating
6.8
8,157 reviews
Search Lufthansa flights
Air FrancePriceFrom $594Free CancellationRating
7.5
1,625 reviews
Search Air France flights
DeltaPriceFrom $647Free CancellationRating
7.8
8,494 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Czech Republic. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Washington, D.C. to Czech Republic 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 Czech Republic?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Czech Republic from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Czech Republic flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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