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Cheap flights from Prague to Washington, D.C. from $442

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 1/11. 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

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Scandinavian Airlines Logo
3:00 pm - 5:15 pmPRG-IAD
32h 15m1 stop
Scandinavian Airlines Logo
8:30 pm - 2:20 pmIAD-PRG
11h 50m1 stop
$615Scandinavian Airlines
Find Deal
Wed, Feb 18 - Wed, Feb 25
Scandinavian Airlines Logo
7:20 pm - 5:15 pmPRG-IAD
27h 55m1 stop
Scandinavian Airlines Logo
8:30 pm - 9:45 amIAD-PRG
31h 15m1 stop
$617Scandinavian Airlines
Find Deal
Tue, Feb 17 - Mon, Feb 23
Lufthansa Logo
7:25 am - 3:50 pmPRG-IAD
14h 25m1 stop
Lufthansa Logo
10:55 pm - 10:25 pmIAD-PRG
17h 30m1 stop
$665Lufthansa
Find Deal
Tue, Nov 18 - Mon, Nov 24
Lufthansa Logo
7:35 am - 3:50 pmPRG-IAD
14h 15m1 stop
Lufthansa Logo
10:55 pm - 10:25 pmIAD-PRG
17h 30m1 stop
$666Lufthansa
Find Deal
Thu, Nov 20 - Sun, Nov 23
SWISS Logo
8:15 pm - 4:40 pmPRG-IAD
26h 25m1 stop
SWISS Logo
8:30 pm - 7:00 pmIAD-PRG
16h 30m1 stop
$667SWISS
Find Deal
Mon, Nov 17 - Sun, Nov 30
United Airlines Logo
7:35 am - 8:15 pmPRG-IAD
18h 40m1 stop
United Airlines Logo
5:45 pm - 1:55 pmIAD-PRG
14h 10m1 stop
$669United Airlines
Find Deal
Mon, Feb 16 - Tue, Feb 24
Air Canada Logo
7:25 am - 4:21 pmPRG-IAD
14h 56m2 stops
Air Canada Logo
9:45 am - 8:45 amIAD-PRG
17h 00m2 stops
$671Air Canada
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Sun, Nov 23 - Wed, Dec 3
United Airlines Logo
11:50 am - 8:15 pmPRG-IAD
14h 25m1 stop
United Airlines Logo
10:55 pm - 10:25 pmIAD-PRG
17h 30m1 stop
$672United Airlines
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Mon, Nov 17 - Sun, Nov 30
Air Canada Logo
7:30 am - 11:29 amPRG-IAD
33h 59m2 stops
Air Canada Logo
10:09 pm - 1:55 pmIAD-PRG
33h 46m2 stops
$677Air Canada
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Wed, Feb 18 - Sun, Mar 1
SWISS Logo
6:45 am - 3:05 pmPRG-IAD
14h 20m1 stop
SWISS Logo
6:20 pm - 1:55 pmIAD-PRG
13h 35m2 stops
$697SWISS
Find Deal
Fri, Feb 20 - Wed, Feb 25

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

Our best SWISS deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets
SWISS
Nov 17
PRG8:15 pmVáclav Havel Prague
26h 25m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Nov 30
IAD8:30 pmWashington, D.C. Dulles Intl
16h 30m
1 stop
PRG7:00 pmVáclav Havel Prague
$667
Find similar
SWISS
Feb 20
PRG6:45 amVáclav Havel Prague
14h 20m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Feb 25
IAD6:20 pmWashington, D.C. Dulles Intl
13h 35m
2 stops
PRG1:55 pmVáclav Havel Prague
$697
Find similar
SWISS
Dec 25
PRG10:00 amVáclav Havel Prague
12h 40m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Jan 10
IAD6:20 pmWashington, D.C. Dulles Intl
13h 35m
2 stops
PRG1:55 pmVáclav Havel Prague
$700
Find similar

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

Our best Lufthansa deals on Prague to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Nov 20
PRG7:35 amVáclav Havel Prague
14h 15m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 23
IAD10:55 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
PRG10:25 pmVáclav Havel Prague
$663
Find similar
Lufthansa
Nov 18
PRG7:25 amVáclav Havel Prague
14h 25m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 24
IAD10:55 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
PRG10:25 pmVáclav Havel Prague
$665
Find similar
Lufthansa
Nov 20
PRG7:35 amVáclav Havel Prague
14h 15m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 23
IAD10:55 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
PRG10:25 pmVáclav Havel Prague
$666
Find similar

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 November 6, 2025.
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

Wed 2/18

3:00 pm-5:15 pm

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-2:20 pm

1 stop11h 50m

$615

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 2/17

7:20 pm-5:15 pm

1 stop27h 55m

Washington, D.C. Dulles Intl

Mon 2/23

8:30 pm-9:45 am

1 stop31h 15m

$617

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Tue 11/18

7:25 am-3:50 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Mon 11/24

10:55 pm-10:25 pm

1 stop17h 30m

$665

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Thu 11/20

7:35 am-3:50 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-10:25 pm

1 stop17h 30m

$666

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 11/17

8:15 pm-4:40 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Sun 11/30

8:30 pm-7:00 pm

1 stop16h 30m

$667

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 2/16

7:35 am-8:15 pm

1 stop18h 40m

Washington, D.C. Dulles Intl

Tue 2/24

5:45 pm-1:55 pm

1 stop14h 10m

$669

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Sun 11/23

7:25 am-4:21 pm

2 stops14h 56m

Washington, D.C. Dulles Intl

Wed 12/3

9:45 am-8:45 am

2 stops17h 00m

$671

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Mon 11/17

11:50 am-8:15 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 11/30

10:55 pm-10:25 pm

1 stop17h 30m

$672

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Wed 2/18

7:30 am-11:29 am

2 stops33h 59m

Washington, D.C. Dulles Intl

Sun 3/1

10:09 pm-1:55 pm

2 stops33h 46m

$677

PragueWashington, D.C.

PRG - IAD

PRGIAD

Václav Havel Prague

Fri 2/20

6:45 am-3:05 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Wed 2/25

6:20 pm-1:55 pm

2 stops13h 35m

$697

Flights are sorted by cheapest round-trip flights 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 cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $652. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Prague to Washington, D.C. Dulles Intl Airport for around $925.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Prague at noon is the least expensive time of day to depart. momondo users have found prices as low as $779 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $780 on average. Flights to Washington, D.C. Dulles Intl Airport from Prague in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

As of November 2025, prices for Prague to Washington, D.C. Dulles Intl Airport flights are approximately 14% 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

Direct flights

None
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.
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  • 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 35m 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
572 reviews
Search Icelandair flights
British AirwaysPriceFrom $627Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
LufthansaPriceFrom $667Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
KLMPriceFrom $850Free CancellationRating
7.7
1,405 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

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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