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Cheap flights from Prague to Washington, D.C. from $319

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 4/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$607Icelandair
Fri, Apr 17 - Sun, May 3
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$609Icelandair
Fri, Apr 17 - Sun, May 3
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$625Icelandair
Fri, Apr 24 - Sun, May 10
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$626Icelandair
Fri, Apr 17 - Sun, May 3
Aer Lingus Logo
11:50 am - 7:25 pm
PRG
-
IAD
13h 35m
1 stop
Aer Lingus Logo
5:15 pm - 11:10 am
IAD
-
PRG
11h 55m
1 stop
$648Aer Lingus
Mon, Apr 13 - Tue, Apr 28
Aer Lingus Logo
11:50 am - 7:25 pm
PRG
-
IAD
13h 35m
1 stop
Aer Lingus Logo
5:15 pm - 11:10 am
IAD
-
PRG
11h 55m
1 stop
$649Aer Lingus
Mon, Apr 13 - Tue, Apr 28
Icelandair Logo
2:00 pm - 10:15 pm
PRG
-
IAD
14h 15m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$655Icelandair
Fri, May 8 - Sun, May 17
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m
1 stop
$656Icelandair
Fri, May 8 - Sun, May 17
Scandinavian Airlines Logo
8:55 pm - 5:00 pm
PRG
-
IAD
26h 05m
1 stop
Scandinavian Airlines Logo
8:20 pm - 8:15 pm
IAD
-
PRG
17h 55m
1 stop
$658Scandinavian Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
6:00 am - 3:05 pm
PRG
-
IAD
15h 05m
1 stop
Multiple Airlines Logo
5:30 pm - 5:55 pm
IAD
-
PRG
18h 25m
1 stop
$660Multiple Airlines
Sat, Apr 4 - Sat, Apr 11

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

Our best Icelandair deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Apr 17
PRG2:00 pmVáclav Havel Prague
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 3
IAD8:30 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
PRG1:05 pmVáclav Havel Prague
$607
Icelandair
Apr 17
PRG2:00 pmVáclav Havel Prague
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 3
IAD8:30 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
PRG1:05 pmVáclav Havel Prague
$609
Icelandair
Apr 24
PRG2:00 pmVáclav Havel Prague
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 10
IAD8:30 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
PRG1:05 pmVáclav Havel Prague
$625

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

Our best Air Canada deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Apr 17
PRG6:00 amVáclav Havel Prague
20h 29m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
May 3
IAD9:55 amWashington, D.C. Dulles Intl
26h 00m
2 stops
PRG5:55 pmVáclav Havel Prague
$685
Air Canada
Apr 13
PRG11:30 amVáclav Havel Prague
15h 55m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Apr 28
IAD12:40 pmWashington, D.C. Dulles Intl
14h 00m
2 stops
PRG8:40 amVáclav Havel Prague
$714
Air Canada
May 5
PRG9:10 amVáclav Havel Prague
17h 19m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
May 17
IAD10:08 pmWashington, D.C. Dulles Intl
28h 22m
2 stops
PRG8:30 amVáclav Havel Prague
$717

momondo Fare Finder

 
Customize your flight search to find flights from Prague to Washington, D.C. Dulles Intl Airport 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 March 9, 2026.
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
Quickest round-trip

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 4/17

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/3

8:30 pm-1:05 pm

1 stop10h 35m

$607

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 4/17

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/3

8:30 pm-1:05 pm

1 stop10h 35m

$609

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 4/24

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-1:05 pm

1 stop10h 35m

$625

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 4/17

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/3

8:30 pm-1:05 pm

1 stop10h 35m

$626

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 4/13

11:50 am-7:25 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Tue 4/28

5:15 pm-11:10 am

1 stop11h 55m

$648

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 4/13

11:50 am-7:25 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Tue 4/28

5:15 pm-11:10 am

1 stop11h 55m

$649

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 5/8

2:00 pm-10:15 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 5/17

8:30 pm-1:05 pm

1 stop10h 35m

$655

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 5/8

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/17

8:30 pm-1:05 pm

1 stop10h 35m

$656

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 4/16

8:55 pm-5:00 pm

1 stop26h 05m

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-8:15 pm

1 stop17h 55m

$658

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sat 4/4

6:00 am-3:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

Sat 4/11

5:30 pm-5:55 pm

1 stop18h 25m

$660

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 Washington, D.C. from

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

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

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

In general, January 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 $638. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $709.

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

As of March 2026, prices for Prague to Washington, D.C. Dulles Intl Airport flights are approximately 24% cheaper 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

Fastest flight time

12h 55m

Direct flights

None
The fastest flight from Prague to Washington, D.C. Dulles Intl Airport takes 12h 55m
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

  • 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 55m 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?

  • 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?

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
IcelandairPriceFrom $596Free CancellationRating
7.1
619 reviews
Search Icelandair flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
LufthansaPriceFrom $667Free CancellationRating
6.8
7,839 reviews
Search Lufthansa flights
KLMPriceFrom $850Free CancellationRating
7.8
1,468 reviews
Search KLM flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Sterling

Why use momondo?

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.

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

Once all potential Prague to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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