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$217+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PRG
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
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 July 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:35 pm
BWI
-
PRG
1 stop31h 20m
Icelandair
Fri 10/3012:50 pm
PRG
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/17$482
This Justfly.com deal was found by Cheapflights users on 7/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Mon 11/212:50 pm
PRG
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/15$573
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Wed 9/92:00 pm
PRG
-
BWI
1 stop11h 25m
Icelandair
Deal found 7/15$580
This Icelandair deal was found by Cheapflights users on 7/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Mon 11/212:50 pm
PRG
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/15$596
This Icelandair deal was found by Cheapflights users on 7/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Wed 9/92:00 pm
PRG
-
BWI
1 stop11h 25m
Icelandair
Deal found 7/15$603
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 pm
IAD
-
PRG
1 stop12h 50m
TAP AIR PORTUGAL
Wed 11/412:30 pm
PRG
-
IAD
1 stop32h 45m
TAP AIR PORTUGAL
Deal found 7/19$637
This oojo deal was found by Cheapflights users on 7/16. 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.
Sat 11/285:25 pm
IAD
-
PRG
1 stop19h 00m
TAP AIR PORTUGAL
Mon 12/712:30 pm
PRG
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 7/16$638
This oojo deal was found by Cheapflights users on 7/20. 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.
Wed 11/2510:30 pm
IAD
-
PRG
1 stop13h 55m
TAP AIR PORTUGAL
Mon 11/3012:30 pm
PRG
-
IAD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 7/20$639
This oojo deal was found by Cheapflights users on 7/17. 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 10/228:30 pm
BWI
-
PRG
1 stop10h 35m
Icelandair
Mon 11/212:50 pm
PRG
-
BWI
1 stop11h 50m
Icelandair
Deal found 7/17$640
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
IAD
-
PRG
1 stop10h 35m
Icelandair
Wed 9/92:00 pm
PRG
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/15$641
This Gotogate deal was found by Cheapflights users on 7/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:20 pm
BWI
-
PRG
1 stop31h 45m
Icelandair
Mon 8/312:00 pm
PRG
-
BWI
1 stop11h 25m
Icelandair
Deal found 7/18$644
This Mytrip deal was found by Cheapflights users on 7/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:35 pm
IAD
-
PRG
1 stop13h 40m
TAP AIR PORTUGAL
Mon 8/317:30 pm
PRG
-
IAD
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/17$644

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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$482
(Kiwi.com)

One-way from

$217
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$977
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. 18% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 20, 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 9/7

9:45 pm-8:20 am

1 stop28h 35m

Václav Havel Prague

Tue 9/15

7:20 pm-11:35 am

1 stop22h 15m

$699

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 9/21

9:45 pm-6:25 pm

1 stop14h 40m

Václav Havel Prague

Thu 10/1

1:55 pm-11:35 am

1 stop27h 40m

$699

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 11/20

1:30 pm-1:50 pm

1 stop18h 20m

Václav Havel Prague

Sun 11/29

7:20 pm-7:25 pm

1 stop30h 05m

$699

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 9/19

1:20 pm-6:15 pm

1 stop22h 55m

Václav Havel Prague

Thu 9/24

1:55 pm-11:35 am

1 stop27h 40m

$700

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/30

1:20 pm-1:00 pm

1 stop17h 40m

Václav Havel Prague

Thu 10/8

9:15 am-11:35 am

1 stop32h 20m

$750

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 9/26

1:20 pm-1:00 pm

1 stop17h 40m

Václav Havel Prague

Tue 10/6

3:20 pm-11:35 am

1 stop26h 15m

$750

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-8:15 pm

1 stop17h 55m

Václav Havel Prague

Thu 9/17

3:20 pm-5:00 pm

1 stop31h 40m

$754

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 9/14

8:20 pm-5:55 pm

2 stops15h 35m

Václav Havel Prague

Sat 9/19

8:55 pm-5:00 pm

1 stop26h 05m

$761

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 12/3

7:00 am-9:45 am

2 stops20h 45m

Václav Havel Prague

Tue 12/8

10:40 am-5:15 pm

2 stops36h 35m

$799

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 12/2

12:30 pm-2:20 pm

2 stops19h 50m

Václav Havel Prague

Tue 12/8

10:40 am-5:15 pm

2 stops36h 35m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 60 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 July.
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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $577). Flying from Washington, D.C. to Prague in June is currently the most expensive (average of $981). 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.

Zurich (ZRH) – 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 Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 11h 35m.

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 Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 8h 13m.

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 84 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.

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 July 20, 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
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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
1,887 reviews
Scandinavian Airlines
7.4
Good
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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
10,015 reviews
Scandinavian Airlines
7.4
Good
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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
1,673 reviews
Scandinavian Airlines
7.4
Good
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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
713 reviews
Scandinavian Airlines
7.4
Good
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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
8,147 reviews
Scandinavian Airlines
7.4
Good
1,887 reviews

Crew

8.0

Food

6.7

Overall

7.4

Entertainment

6.7

Boarding

7.7

Comfort

7.3

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 15h 50m. Icelandair provides one of the quickest options available for as low as $933. The distance between Washington, D.C. and Prague is about 4279 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 SWISS, starting at $432 and $486 round-trip. Icelandair is 43% 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 United Airlines ($279), Aer Lingus ($317), and TAP AIR PORTUGAL ($352).

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Prague (average of $577). Flying from Washington, D.C. to Prague in June is currently the most expensive (average of $981). 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 July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$427Average$639FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$432Average$529FlexibilityNo cancel feeOn-time77%
SWISSCheapest$486Average$705FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$545Average$579FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$556Average$764FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$563Average$775FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$566Average$821FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$594Average$762FlexibilityNo cancel feeOn-time77%
DeltaCheapest$647Average$1,062FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$651Average$879FlexibilityNo cancel feeOn-timeN/A

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