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$284+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PRG
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
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 May 18, 2026.

This oojo deal was found by Cheapflights users on 5/16. 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.
Mon 11/29:00 am
BWI
-
PRG
2 stops18h 45m
Scandinavian Airlines
Mon 11/910:25 am
PRG
-
BWI
2 stops17h 50m
Scandinavian Airlines
Deal found 5/16$713
This KAYAK deal was found by Cheapflights users on 5/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:40 pm
BWI
-
PRG
1 stop10h 15m
Icelandair
Fri 11/2712:50 pm
PRG
-
BWI
1 stop11h 50m
Icelandair
Deal found 5/13$733
This oojo deal was found by Cheapflights users on 5/17. 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 11/129:00 am
BWI
-
PRG
2 stops18h 45m
Scandinavian Airlines
Wed 11/183:00 pm
PRG
-
BWI
2 stops37h 15m
Scandinavian Airlines
Deal found 5/17$737
This oojo deal was found by Cheapflights users on 5/13. 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.
Sun 9/209:00 am
BWI
-
PRG
2 stops18h 40m
Scandinavian Airlines
Wed 9/3010:20 am
PRG
-
BWI
2 stops17h 53m
Scandinavian Airlines
Deal found 5/13$738
This Lufthansa deal was found by Cheapflights users on 5/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:20 pm
IAD
-
PRG
1 stop11h 45m
Lufthansa
Wed 6/179:10 am
PRG
-
IAD
1 stop12h 45m
Lufthansa
Deal found 5/14$766
This Lufthansa deal was found by Cheapflights users on 5/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:20 pm
IAD
-
PRG
1 stop11h 45m
Lufthansa
Sat 6/136:00 am
PRG
-
IAD
1 stop13h 35m
Lufthansa
Deal found 5/13$767
This Gotogate deal was found by Cheapflights users on 5/14. 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.
Tue 9/88:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Fri 9/182:00 pm
PRG
-
BWI
1 stop11h 25m
Icelandair
Deal found 5/14$769
This oojo deal was found by Cheapflights users on 5/15. 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.
Wed 12/211:00 am
DCA
-
PRG
2 stops16h 45m
Scandinavian Airlines
Tue 12/1510:25 am
PRG
-
DCA
2 stops17h 30m
Scandinavian Airlines
Deal found 5/15$769
This Booking.com deal was found by Cheapflights users on 5/17. 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 8/161:20 pm
IAD
-
PRG
1 stop23h 05m
Turkish Airlines
Sun 8/301:55 pm
PRG
-
IAD
1 stop35h 55m
Turkish Airlines
Deal found 5/17$770
This FlightHub deal was found by Cheapflights users on 5/14. 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 8/229:45 pm
IAD
-
PRG
1 stop14h 30m
Turkish Airlines
Tue 10/209:15 am
PRG
-
IAD
1 stop16h 35m
Turkish Airlines
Deal found 5/14$771
This FlightHub deal was found by Cheapflights users on 5/14. 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.
Mon 8/2410:35 pm
IAD
-
PRG
1 stop13h 50m
TAP AIR PORTUGAL
Wed 10/211:40 pm
PRG
-
IAD
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 5/14$774
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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.
Fri 8/148:20 pm
IAD
-
PRG
1 stop17h 55m
Scandinavian Airlines
Sun 8/238:55 pm
PRG
-
IAD
2 stops26h 05m
Scandinavian Airlines
Deal found 5/17$775

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$713
(oojo)

One-way from

$284
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$808
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. 17% potential increase in price ($149 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 May 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 May 18, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Prague 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 11/2

6:20 pm-6:50 pm

2 stops18h 30m

Václav Havel Prague

Mon 11/9

7:35 pm-3:35 pm

2 stops26h 00m

$831

Washington, D.C.Prague

DCA - PRG

DCAPRG

Washington, D.C. Reagan-National

Sat 11/7

12:00 pm-9:45 am

2 stops15h 45m

Václav Havel Prague

Sat 11/14

10:25 am-11:04 pm

2 stops18h 39m

$886

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 9/6

5:15 pm-3:00 pm

2 stops15h 45m

Václav Havel Prague

Fri 9/18

8:50 am-3:35 pm

1 stop12h 45m

$900

Washington, D.C.Prague

DCA - PRG

DCAPRG

Washington, D.C. Reagan-National

Mon 9/7

6:05 am-9:00 am

1 stop20h 55m

Václav Havel Prague

Fri 9/18

11:00 am-9:20 pm

2 stops16h 20m

$901

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Sun 10/25

4:39 pm-2:20 pm

2 stops16h 41m

Václav Havel Prague

Mon 11/2

10:25 am-10:37 pm

2 stops18h 12m

$916

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Sat 11/7

8:35 pm-7:50 pm

1 stop17h 15m

Václav Havel Prague

Sat 11/14

7:40 am-6:42 pm

2 stops17h 02m

$917

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 8/15

10:27 pm-10:50 am

2 stops30h 23m

Václav Havel Prague

Sat 8/29

12:30 pm-11:52 am

2 stops29h 22m

$923

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Mon 11/2

8:35 pm-5:30 pm

1 stop14h 55m

Václav Havel Prague

Mon 11/9

7:35 pm-6:45 pm

2 stops29h 10m

$936

Washington, D.C.Prague

DCA - PRG

DCAPRG

Washington, D.C. Reagan-National

Sun 9/20

7:22 pm-6:45 pm

2 stops17h 23m

Václav Havel Prague

Wed 9/30

11:35 am-11:02 pm

2 stops17h 27m

$937

BaltimorePrague

BWI - PRG

BWIPRG

Baltimore/Washington

Wed 9/23

7:25 pm-1:15 pm

1 stop11h 50m

Václav Havel Prague

Thu 10/1

7:05 am-7:40 pm

1 stop18h 35m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 51 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 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?

The best time to book flights from Washington, D.C. to Prague is 86 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $372). Flying from Washington, D.C. to Prague in July is currently the most expensive (average of $563). 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?

What’s the top layover airport for flights from Washington, D.C. to Prague?

Share of 1-stop round-trip flights from Washington, D.C. to Prague chosen by Cheapflights users in the past 12 months, using the same layover each way.

Lisbon (LIS) – chosen by Cheapflights users on 33% of 1-stop itineraries from Washington, D.C. to Prague on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Prague?

Average round-trip fare for 1-stop flights from Washington, D.C. to Prague, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $548.

What’s the fastest layover option from Washington, D.C. to Prague?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Prague, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 18h 20m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Prague?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Prague, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 9h 08m.

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 May 18, 2026.
See what other customers who have flown with Scandinavian Airlines,United Airlines, andAer 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.
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.4
Good
1,781 reviews
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
United Airlines
7.4
Good
9,737 reviews
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Aer Lingus
7.3
Good
1,563 reviews
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
7.0
Good
656 reviews
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Lufthansa
6.8
Okay
8,009 reviews
Scandinavian Airlines
7.4
Good
1,781 reviews

Crew

8.0

Entertainment

6.7

Food

6.7

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

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 11h 45m. Lufthansa provides one of the quickest options available for as low as $766. 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 $427 on this airline. Additional options worth looking into are Scandinavian Airlines and TAP AIR PORTUGAL, starting at $432 and $469 round-trip. Icelandair is 40% 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), TAP AIR PORTUGAL ($272), and Aer Lingus ($317).

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $372). Flying from Washington, D.C. to Prague in July is currently the most expensive (average of $563). 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

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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$427Average$621FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$432Average$499FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$469Average$750FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$526Average$705FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$545Average$597FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$556Average$733FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$572Average$826FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$594Average$738FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$596Average$783FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$628Average$879FlexibilityNo cancel feeOn-timeN/A

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