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Cheap flights from Prague to Washington, D.C. from $426

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 4/23. 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.
TAP AIR PORTUGAL Logo
7:15 pm - 3:15 pm
PRG
-
IAD
26h 00m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:40 am
IAD
-
PRG
12h 10m1 stop
$496TAP AIR PORTUGAL
Sun, Feb 8 - Tue, Feb 24
TAP AIR PORTUGAL Logo
7:15 pm - 3:15 pm
PRG
-
IAD
26h 00m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:40 am
IAD
-
PRG
12h 10m1 stop
$511TAP AIR PORTUGAL
Sun, Feb 8 - Tue, Feb 24
TAP AIR PORTUGAL Logo
7:15 pm - 3:15 pm
PRG
-
IAD
26h 00m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:40 am
IAD
-
PRG
12h 10m1 stop
$514TAP AIR PORTUGAL
Sun, Feb 8 - Tue, Feb 24
TAP AIR PORTUGAL Logo
7:30 pm - 3:05 pm
PRG
-
IAD
25h 35m1 stop
TAP AIR PORTUGAL Logo
5:40 pm - 6:20 pm
IAD
-
PRG
18h 40m1 stop
$529TAP AIR PORTUGAL
Mon, Apr 13 - Sun, Apr 26
TAP AIR PORTUGAL Logo
11:55 am - 3:15 pm
PRG
-
IAD
33h 20m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:05 am
IAD
-
PRG
11h 35m1 stop
$530TAP AIR PORTUGAL
Fri, Jan 30 - Thu, Feb 5
Icelandair Logo
12:50 pm - 7:30 pm
PRG
-
IAD
11h 40m1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m1 stop
$648Icelandair
Fri, Mar 27 - Sun, Apr 5
Icelandair Logo
12:50 pm - 7:30 pm
PRG
-
IAD
11h 40m1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m1 stop
$649Icelandair
Fri, Mar 27 - Fri, Apr 3
Scandinavian Airlines Logo
8:55 pm - 4:50 pm
PRG
-
IAD
25h 55m1 stop
Scandinavian Airlines Logo
8:20 pm - 9:40 am
IAD
-
PRG
31h 20m1 stop
$650Scandinavian Airlines
Tue, May 26 - Sat, Jun 6
Icelandair Logo
2:00 pm - 7:20 pm
PRG
-
IAD
11h 20m1 stop
Icelandair Logo
8:30 pm - 1:05 pm
IAD
-
PRG
10h 35m1 stop
$651Icelandair
Fri, May 1 - Fri, May 15
Scandinavian Airlines Logo
10:25 am - 5:15 pm
PRG
-
IAD
12h 50m1 stop
Scandinavian Airlines Logo
9:30 pm - 2:20 pm
IAD
-
PRG
11h 50m1 stop
$655Scandinavian Airlines
Mon, Feb 23 - Mon, Mar 23

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
Feb 23
PRG7:35 amVáclav Havel Prague
14h 14m
2 stops
IAD3:49 pmWashington, D.C. Dulles Intl
Mar 23
IAD9:55 amWashington, D.C. Dulles Intl
17h 50m
2 stops
PRG8:45 amVáclav Havel Prague
$719
Air Canada
Jan 30
PRG6:45 amVáclav Havel Prague
20h 09m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Feb 2
IAD1:15 pmWashington, D.C. Dulles Intl
13h 30m
2 stops
PRG8:45 amVáclav Havel Prague
$722
Air Canada
Jan 30
PRG6:45 amVáclav Havel Prague
20h 09m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Feb 2
IAD1:15 pmWashington, D.C. Dulles Intl
13h 30m
2 stops
PRG8:45 amVáclav Havel Prague
$724

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

Our best Scandinavian Airlines deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
May 26
PRG8:55 pmVáclav Havel Prague
25h 55m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Jun 6
IAD8:20 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
PRG9:40 amVáclav Havel Prague
$650
Scandinavian Airlines
Feb 23
PRG10:25 amVáclav Havel Prague
12h 50m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Mar 23
IAD9:30 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
PRG2:20 pmVáclav Havel Prague
$655
Scandinavian Airlines
Jan 30
PRG9:05 pmVáclav Havel Prague
27h 45m
1 stop
IAD6:50 pmWashington, D.C. Dulles Intl
Feb 2
IAD8:30 pmWashington, D.C. Dulles Intl
31h 15m
1 stop
PRG9:45 amVáclav Havel Prague
$676

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 January 8, 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

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 2/8

7:15 pm-3:15 pm

1 stop26h 00m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:40 am

1 stop12h 10m

$496

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 2/8

7:15 pm-3:15 pm

1 stop26h 00m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:40 am

1 stop12h 10m

$511

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 2/8

7:15 pm-3:15 pm

1 stop26h 00m

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-11:40 am

1 stop12h 10m

$514

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 4/13

7:30 pm-3:05 pm

1 stop25h 35m

Washington, D.C. Dulles Intl

Sun 4/26

5:40 pm-6:20 pm

1 stop18h 40m

$529

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 1/30

11:55 am-3:15 pm

1 stop33h 20m

Washington, D.C. Dulles Intl

Thu 2/5

5:30 pm-11:05 am

1 stop11h 35m

$530

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 3/27

12:50 pm-7:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Sun 4/5

8:30 pm-1:05 pm

1 stop10h 35m

$648

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 3/27

12:50 pm-7:30 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Fri 4/3

8:30 pm-1:05 pm

1 stop10h 35m

$649

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 5/26

8:55 pm-4:50 pm

1 stop25h 55m

Washington, D.C. Dulles Intl

Sat 6/6

8:20 pm-9:40 am

1 stop31h 20m

$650

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 5/1

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Fri 5/15

8:30 pm-1:05 pm

1 stop10h 35m

$651

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 2/23

10:25 am-5:15 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-2:20 pm

1 stop11h 50m

$655

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, February 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 $627. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport 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 $654.

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

As of January 2026, prices for Prague to Washington, D.C. Dulles Intl Airport flights are approximately 6% more expensive 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

11h 20m

Direct flights

None
The fastest flight from Prague to Washington, D.C. Dulles Intl Airport takes 11h 20m
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. 11h 20m 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
593 reviews
Search Icelandair flights
British AirwaysPriceFrom $627Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
LufthansaPriceFrom $674Free CancellationRating
6.8
7,696 reviews
Search Lufthansa 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Harpers Ferry
Manassas
Sterling
Fairfax
Springfield

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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