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$286+ Cheap flights from Dulles Intl (IAD) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Jan 10 — Jan 171
Fri 1/10
Fri 1/17
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Václav Havel Prague are usually found in November or January, booked 29 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Dulles Intl to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 January 5, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$554
(Mytrip)

One-way from

$286
(Thrive Travel)

Popular in

June

Cheapest in

November

Average price

$631
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Václav Havel Prague flights.
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From Washington, D.C. Dulles Intl to Václav Havel Prague
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One-way flight from Washington, D.C. Dulles Intl to Václav Havel Prague
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Dulles Intl to Prague

Cheapest flights from Dulles Intl to Prague
Explore the most affordable flight options available from Dulles Intl to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 5, 2025.

This Mytrip deal was found by Cheapflights users on 1/4. 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.
Tue 2/185:30 pmIAD - PRG
1 stop12h 10mTAP AIR PORTUGAL
Tue 2/257:15 pmPRG - IAD
1 stop31h 45mTAP AIR PORTUGAL
Deal found 1/4$554
This FlightHub deal was found by Cheapflights users on 1/4. 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 4/1410:05 pmIAD - PRG
1 stop16h 10mScandinavian Airlines
Thu 4/248:55 pmPRG - IAD
1 stop29h 04mScandinavian Airlines
Deal found 1/4$556
This oojo deal was found by Cheapflights users on 1/5. 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 2/32:00 pmIAD - PRG
1 stop36h 45mTurkish Airlines
Mon 2/102:50 pmPRG - IAD
1 stop27h 25mTurkish Airlines
Deal found 1/5$562
This Mytrip deal was found by Cheapflights users on 1/4. 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.
Sun 2/235:10 pmIAD - PRG
2 stops21h 30mMultiple Airlines
Sun 3/91:45 pmPRG - IAD
2 stops31h 55mMultiple Airlines
Deal found 1/4$633
This United deal was found by Cheapflights users on 1/5. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/125:30 pmIAD - PRG
1 stop15h 25mUnited Airlines
Wed 3/267:20 amPRG - IAD
2 stops18h 21mUnited Airlines
Deal found 1/5$640
This Gotogate deal was found by Cheapflights users on 1/4. 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 2/33:55 pmIAD - PRG
2 stops12h 55mAir Canada
Mon 2/1012:05 pmPRG - IAD
2 stops33h 08mAir Canada
Deal found 1/4$682
This oojo deal was found by Cheapflights users on 1/5. 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 2/31:53 pmIAD - PRG
2 stops18h 07mBritish Airways
Mon 2/109:35 pmPRG - IAD
2 stops28h 00mBritish Airways
Deal found 1/5$703
This Finnair deal was found by Cheapflights users on 1/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/910:55 pmIAD - PRG
2 stops31h 00mFinnair
Sun 3/167:35 pmPRG - IAD
2 stops30h 10mFinnair
Deal found 1/4$707
This Austrian Airlines deal was found by Cheapflights users on 1/4. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/15:25 pmIAD - PRG
2 stops35h 05mAustrian Airlines
Sat 2/810:55 amPRG - IAD
1 stop33h 40mAustrian Airlines
Deal found 1/4$774

Find flights from Dulles Intl to Prague within your budget

Customize your flight search to find flights from Dulles Intl 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 January 5, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 2/18

5:30 pm-11:40 am

1 stop12h 10m

Václav Havel Prague

Tue 2/25

7:15 pm-9:00 pm

1 stop31h 45m

$554

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 4/14

10:05 pm-8:15 pm

1 stop16h 10m

Václav Havel Prague

Thu 4/24

8:55 pm-7:59 pm

1 stop29h 04m

$556

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 2/3

2:00 pm-8:45 am

1 stop36h 45m

Václav Havel Prague

Mon 2/10

2:50 pm-12:15 pm

1 stop27h 25m

$562

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 2/23

5:10 pm-8:40 pm

2 stops21h 30m

Václav Havel Prague

Sun 3/9

1:45 pm-4:40 pm

2 stops31h 55m

$633

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 3/12

5:30 pm-1:55 pm

1 stop15h 25m

Václav Havel Prague

Wed 3/26

7:20 am-8:41 pm

2 stops18h 21m

$640

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 2/3

3:55 pm-10:50 am

2 stops12h 55m

Václav Havel Prague

Mon 2/10

12:05 pm-3:13 pm

2 stops33h 08m

$682

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 2/3

1:53 pm-2:00 pm

2 stops18h 07m

Václav Havel Prague

Mon 2/10

9:35 pm-7:35 pm

2 stops28h 00m

$703

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 3/9

10:55 pm-10:55 am

2 stops31h 00m

Václav Havel Prague

Sun 3/16

7:35 pm-8:45 pm

2 stops30h 10m

$707

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 2/1

5:25 pm-10:30 am

2 stops35h 05m

Václav Havel Prague

Sat 2/8

10:55 am-2:35 pm

1 stop33h 40m

$774

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 1/31

6:00 pm-2:00 pm

1 stop14h 00m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 16 results
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Prague in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars
KAYAKPrice 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. Dulles Intl Airport-Prague flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Prague flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Prague flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Prague flights, Cheapflights users trust AranGrant the most. AranGrant 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. Dulles Intl Airport-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 Dulles Intl to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Prague

Get recent, data-driven insights about flights from Dulles Intl to Prague including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Prague. Price data was last updated on January 3, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Prague, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Prague (average of $651). Flying from Washington, D.C. Dulles Intl Airport to Prague in June is currently the most expensive (average of $1,256). 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.

What is the cheapest time of day to fly from IAD to PRG?

Find hourly flight availability from Dulles Intl to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 5, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 10% on flights from Washington, D.C. Dulles Intl Airport to Prague by exploring options for tickets in the afternoon.

Rainfall in Prague by month

Plan your trip to Prague by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Prague ranges from 0.4 - 2.4 inches per month. June is typically the wettest month, when rainfall can reach 2.4 in. February is typically the driest time to visit Prague when rainfall is around 0.4 in.

Temperature in Prague by month

Plan your trip to Prague by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Prague, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 January 5, 2025.
Get a feel of what it's like to fly with TAP AIR PORTUGAL, Turkish Airlines and Air Canada from Washington, D.C. to Prague by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.7
Good
1,282 reviews
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Austrian Airlines
7.6
Good
783 reviews
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

United Airlines
7.4
Good
8,945 reviews
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Turkish Airlines
7.3
Good
3,902 reviews
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.3
Good
1,299 reviews
Finnair
7.7
Good
1,282 reviews

Food

6.7

Overall

7.7

Crew

8.2

Boarding

7.7

Entertainment

6.9

Comfort

7.5

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Prague, you will be flying into Václav Havel Prague. Václav Havel Prague (PRG) is just 6.9 mi from the center of the city. Václav Havel Prague is the only Prague airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 13 airlines have flights to Václav Havel Prague from Washington, D.C. Dulles Intl on a regular basis.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Prague round-trip from $554. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $557, and Turkish Airlines, from $562. TAP AIR PORTUGAL is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $364. However, be on the lookout for offers from Scandinavian Airlines and Lufthansa, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Prague for a low price.

  • Can I find deals for flights from Dulles Intl to Prague that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Prague?

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

  • Can I find deals for business class flights from Dulles Intl to Prague?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Prague?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Prague (average of $651). Flying from Washington, D.C. Dulles Intl Airport to Prague in June is currently the most expensive (average of $1,256). 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

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Alternative routes for Dulles Intl to Prague

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

Top 10 airlines flying from Dulles Intl to Prague

Discover the top 10 airlines that operate flights from Dulles Intl 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 January 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$441Average$539FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$448Average$738FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$530Average$746FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$540Average$853FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$554Average$636FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$554Average$796FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$571Average$914FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$595Average$1,107FlexibilityNo cancel feeOn-time78%
DeltaCheapest$599Average$1,026FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$602Average$865FlexibilityNo cancel feeOn-time75%
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