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$189+ Cheap flights from Washington, D.C. (WAS) to Prague (PRG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PRG
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Prague

Cheapest flights from Washington, D.C. to Prague
Explore the most affordable flight options available from Washington, D.C. to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2026.

This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:20 pm
IAD
-
PRG
2 stops54h 30m
Scandinavian Airlines
Tue 4/286:35 pm
PRG
-
IAD
2 stops28h 25m
Scandinavian Airlines
Deal found 2/20$483
This Booking.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:20 pm
IAD
-
PRG
2 stops39h 35m
Scandinavian Airlines
Thu 10/2210:40 am
PRG
-
IAD
2 stops36h 20m
Scandinavian Airlines
Deal found 2/19$484
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pm
IAD
-
PRG
2 stops30h 30m
Scandinavian Airlines
Tue 5/56:35 pm
PRG
-
IAD
2 stops28h 25m
Scandinavian Airlines
Deal found 2/22$485
This FlightHub deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
IAD
-
PRG
1 stop12h 20m
Scandinavian Airlines
Sat 4/258:55 pm
PRG
-
IAD
1 stop26h 05m
Scandinavian Airlines
Deal found 2/21$486
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:20 pm
IAD
-
PRG
2 stops54h 30m
Scandinavian Airlines
Tue 4/288:55 pm
PRG
-
IAD
1 stop26h 05m
Scandinavian Airlines
Deal found 2/20$488
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:20 pm
IAD
-
PRG
2 stops16h 25m
Scandinavian Airlines
Tue 4/216:35 pm
PRG
-
IAD
2 stops28h 25m
Scandinavian Airlines
Deal found 2/20$489
This Scandinavian Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:20 pm
IAD
-
PRG
1 stop12h 20m
Scandinavian Airlines
Sun 10/49:30 pm
PRG
-
IAD
1 stop25h 30m
Scandinavian Airlines
Deal found 2/22$490
This Scandinavian Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:20 pm
IAD
-
PRG
1 stop31h 20m
Scandinavian Airlines
Thu 4/308:55 pm
PRG
-
IAD
1 stop26h 05m
Scandinavian Airlines
Deal found 2/18$491
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:20 pm
IAD
-
PRG
2 stops30h 30m
Scandinavian Airlines
Thu 9/310:40 am
PRG
-
IAD
2 stops36h 20m
Scandinavian Airlines
Deal found 2/20$493
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:20 pm
IAD
-
PRG
2 stops54h 30m
Scandinavian Airlines
Wed 4/228:20 pm
PRG
-
IAD
2 stops26h 40m
Scandinavian Airlines
Deal found 2/21$495
This Gotogate deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Mon 4/272:00 pm
PRG
-
BWI
1 stop11h 25m
Icelandair
Deal found 2/19$556
This oojo deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:06 pm
DCA
-
PRG
1 stop33h 09m
British Airways
Wed 8/2610:15 am
PRG
-
DCA
1 stop12h 51m
British Airways
Deal found 2/22$585

Find flight deals from Washington, D.C. to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Prague (PRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(Mytrip)

One-way from

$189
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$570
Provider with most accurate pricing for Washington, D.C. (WAS)-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Václav Havel Prague flights.
Search Deals
From Washington, D.C. (WAS) to Václav Havel Prague
Search Deals
One-way flight from Washington, D.C. (WAS) to Václav Havel Prague
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Prague that are best for you.

Fly from

Washington, D.C.

Fly to

Prague

Route

Depart

Return

Price

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 8/20

8:20 pm-8:50 am

2 stops30h 30m

Václav Havel Prague

Mon 8/24

10:20 am-5:00 pm

1 stop12h 40m

$493

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 3/19

10:15 pm-6:30 pm

1 stop15h 15m

Václav Havel Prague

Tue 3/31

7:20 pm-11:35 am

1 stop22h 15m

$564

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 3/22

11:55 pm-10:25 pm

1 stop17h 30m

Václav Havel Prague

Fri 4/10

6:00 am-3:05 pm

1 stop15h 05m

$595

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Mon 3/30

9:30 pm-10:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 4/14

5:10 pm-7:40 pm

1 stop32h 30m

$598

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 4/6

1:10 pm-5:55 pm

2 stops22h 45m

Václav Havel Prague

Tue 4/14

6:10 am-7:40 pm

2 stops19h 30m

$604

Washington, D.C.Prague

DCA - PRG

DCAPRG

Washington, D.C. Reagan-National

Sun 4/26

6:00 am-9:40 am

2 stops45h 40m

Václav Havel Prague

Thu 4/30

3:20 pm-10:41 pm

2 stops37h 21m

$605

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Sun 4/5

10:54 am-8:20 am

2 stops15h 26m

Václav Havel Prague

Tue 4/21

11:40 am-10:59 pm

2 stops17h 19m

$620

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Mon 3/30

3:35 pm-1:30 pm

2 stops15h 55m

Václav Havel Prague

Fri 4/10

6:00 am-5:33 pm

2 stops17h 33m

$622

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Wed 4/1

11:08 am-10:50 am

2 stops17h 42m

Václav Havel Prague

Thu 4/16

6:00 am-5:33 pm

2 stops17h 33m

$622

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 4/22

6:15 am-5:55 pm

2 stops29h 40m

Václav Havel Prague

Mon 4/27

2:20 pm-7:40 pm

2 stops35h 20m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 59 results
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Compare providers for flights from Washington, D.C. to Prague

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Prague in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Prague flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Prague flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Prague flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Prague flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Prague flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Prague

How far ahead should I book a flight from Washington, D.C. to Prague?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Prague. Price data was last updated on February 20, 2026.

The best time to book flights from Washington, D.C. to Prague is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Prague?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $367). Flying from Washington, D.C. to Prague in June is currently the most expensive (average of $616). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. to Prague?

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Prague. Reviews last updated February 22, 2026.
See what other customers who have flown with United Airlines, Scandinavian Airlines, and Aer Lingus from Washington, D.C. to Prague have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,341 reviews
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,697 reviews
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,462 reviews
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
617 reviews
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,803 reviews
United Airlines
7.4
Good
9,341 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Prague from Washington, D.C.?

    Václav Havel Prague (PRG), located 6.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Prague. 11 airlines have flights to Václav Havel Prague from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Václav Havel Prague should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Prague?

    A quick flight from Washington, D.C. to Prague can take about 15h 15m. Scandinavian Airlines provides one of the quickest options available for as low as $564. The distance between Washington, D.C. and Prague is about 4290 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Prague round-trip?

    Our cheapest airline available from Washington, D.C. to Prague is Icelandair. Our recent data shows that you can find tickets from as low as $416 on this airline. Additional options worth looking into are Scandinavian Airlines and Delta, starting at $427 and $525 round-trip. Icelandair is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Prague one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Prague are Icelandair ($175), British Airways ($255), and Aer Lingus ($264).

  • What are the most popular routes from Washington, D.C. to Prague?

    While some choose either Washington, D.C. Reagan-National - Václav Havel Prague or Baltimore/Washington - Václav Havel Prague, Washington, D.C. Dulles Intl - Václav Havel Prague is the most popular route from Washington, D.C. to Prague.

  • Can I find deals for flights from Washington, D.C. to Prague that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Prague.

  • Can I find deals for business class flights from Washington, D.C. to Prague?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Prague by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Prague?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $367). Flying from Washington, D.C. to Prague in June is currently the most expensive (average of $616). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Prague

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Prague flights
Reagan-National to Prague flights

Top 10 airlines flying from Washington, D.C. to Prague

Discover the top 10 airlines that operate flights from Washington, D.C. to Prague. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$381Average$617FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$427Average$478FlexibilityNo cancel feeOn-time77%
DeltaCheapest$525Average$953FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$526Average$705FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$528Average$785FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$545Average$606FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$547Average$705FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$563Average$841FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$778FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$603Average$866FlexibilityNo cancel feeOn-timeN/A

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