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 TAP AIR PORTUGAL, from $577, and Delta, from $631. Scandinavian Airlines is priced at 29% 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 $328. However, be on the lookout for offers from Icelandair and Air Canada, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Prague for a low price.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Prague?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Prague flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Prague?

Before booking your flight from Washington, D.C. Dulles Intl Airport to Prague check out the most popular airlines for this route: British Airways, Delta or Aer Lingus.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Prague?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 26% when planning your travel around this day of the week.

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

The best pricing can be found in the month of November. Prices to Prague from Washington, D.C. Dulles Intl Airport average $767. You can even find prices in November for less than $767, as users have found deals to Prague from as low as $456. The month of June appears to be one of the more expensive times to travel to Prague from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 39%.

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.

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. 12 airlines have flights to Václav Havel Prague from Washington, D.C. Dulles Intl on a regular basis.

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.

$270+ Flights from Washington, D.C. Dulles Intl Airport to Prague

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Prague?

Travelers have found it’s best to book a flight 23 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Prague 1-2 weeks in advance for as low as $656, or $675 for flights within the next 24 hours.

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Find cheap flights from Dulles Intl to Prague with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Václav Havel Prague are usually found in February or January, booked 54 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Dulles Intl to Prague

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$554 (Scandinavian Airlines)
One-way from	$282 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$785

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Václav Havel Prague flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Václav Havel Prague flights.

Search Deals

From Washington, D.C. Dulles Intl to Václav Havel Prague

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Václav Havel Prague

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 24, 2025.

Wed 8/2010:05 pmIAD - PRG

1 stop29h 40mScandinavian Airlines

Wed 9/310:25 amPRG - IAD

1 stop15h 34mScandinavian Airlines

Deal found 4/22

$550

Tue 5/138:45 pmIAD - PRG

1 stop11h 20mSWISS

Tue 5/277:10 pmPRG - IAD

1 stop27h 05mSWISS

Deal found 4/22

$564

Fri 10/105:00 pmIAD - PRG

1 stop13h 30mTAP AIR PORTUGAL

Tue 10/217:30 pmPRG - IAD

1 stop25h 50mTAP AIR PORTUGAL

Deal found 4/22

$576

Sun 8/39:45 amIAD - PRG

2 stops20h 25mAir Canada

Tue 8/1911:40 amPRG - IAD

2 stops29h 33mAir Canada

Deal found 4/23

$635

Sun 8/312:30 pmIAD - PRG

1 stop14h 30mDelta

Fri 8/2211:00 amPRG - IAD

1 stop30h 55mDelta

Deal found 4/23

$636

Tue 8/52:25 pmIAD - PRG

1 stop15h 45mMultiple Airlines

Tue 8/196:20 amPRG - IAD

1 stop15h 55mMultiple Airlines

Deal found 4/23

$643

Tue 8/510:25 amIAD - PRG

1 stop19h 45mUnited Airlines

Thu 8/211:35 pmPRG - IAD

1 stop11h 50mUnited Airlines

Deal found 4/23

$646

Tue 12/28:11 pmIAD - PRG

2 stops16h 59mAmerican Airlines

Wed 12/106:55 amPRG - IAD

1 stop14h 40mAmerican Airlines

Deal found 4/22

$650

Thu 9/118:30 pmIAD - PRG

1 stop10h 35mIcelandair

Mon 9/292:00 pmPRG - IAD

1 stop11h 20mIcelandair

Deal found 4/22

$653

Thu 9/111:30 pmIAD - PRG

1 stop19h 00mTurkish Airlines

Thu 10/29:20 amPRG - IAD

1 stop16h 25mTurkish Airlines

Deal found 4/22

$663

Wed 8/65:10 pmIAD - PRG

2 stops13h 45mLufthansa

Tue 8/196:20 amPRG - IAD

1 stop19h 05mLufthansa

Deal found 4/23

$666

Wed 8/610:40 pmIAD - PRG

2 stops26h 50mFinnair

Wed 8/207:30 pmPRG - IAD

2 stops30h 40mFinnair

Deal found 4/23

$667

Best flights from Dulles Intl to Prague
Discover carefully curated flight deals from Dulles Intl to Prague that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Wed 9/2410:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Thu 10/210:25 amPRG - IAD

1 stop15h 34mScandinavian Airlines

Deal found 4/23

$554

Fri 10/105:00 pmIAD - PRG

1 stop13h 30mTAP AIR PORTUGAL

Tue 10/217:30 pmPRG - IAD

1 stop25h 50mTAP AIR PORTUGAL

Deal found 4/23

$577

Sun 8/312:30 pmIAD - PRG

1 stop14h 30mDelta

Wed 8/2011:00 amPRG - IAD

1 stop14h 37mDelta

Deal found 4/23

$631

Sun 8/310:25 amIAD - PRG

1 stop19h 45mAir Canada

Thu 8/216:00 amPRG - IAD

2 stops21h 01mAir Canada

Deal found 4/23

$635

Tue 8/58:45 pmIAD - PRG

1 stop11h 20mSWISS

Wed 8/209:50 amPRG - IAD

1 stop12h 25mSWISS

Deal found 4/23

$641

Tue 8/52:25 pmIAD - PRG

1 stop15h 45mMultiple Airlines

Tue 8/196:20 amPRG - IAD

1 stop15h 55mMultiple Airlines

Deal found 4/23

$643

Tue 8/510:25 amIAD - PRG

1 stop19h 45mUnited Airlines

Thu 8/211:35 pmPRG - IAD

1 stop11h 50mUnited Airlines

Deal found 4/23

$646

Mon 9/159:40 pmIAD - PRG

1 stop14h 45mTurkish Airlines

Wed 9/249:20 amPRG - IAD

1 stop16h 25mTurkish Airlines

Deal found 4/23

$653

Wed 8/65:10 pmIAD - PRG

2 stops13h 45mLufthansa

Fri 8/221:35 pmPRG - IAD

1 stop11h 50mLufthansa

Deal found 4/23

$666

Wed 8/610:40 pmIAD - PRG

2 stops26h 50mFinnair

Wed 8/207:30 pmPRG - IAD

2 stops30h 40mFinnair

Deal found 4/23

$667

Thu 8/79:20 pmIAD - PRG

1 stop16h 15mAir France

Wed 8/2011:00 amPRG - IAD

1 stop14h 37mAir France

Deal found 4/23

$695

Mon 5/1912:25 pmIAD - PRG

1 stop14h 35mKLM

Fri 5/3011:00 amPRG - IAD

1 stop14h 42mKLM

Deal found 4/23

$801

Last-minute flights from Dulles Intl to Prague
Discover last-minute flight deals from Dulles Intl to Prague. Data last updated April 24, 2025 and is based on user searches.

Mon 4/2810:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Wed 9/1710:50 amPRG - IAD

2 stops39h 09mScandinavian Airlines

Deal found 4/23

$611

Mon 4/281:30 pmIAD - PRG

1 stop19h 00mTurkish Airlines

Sat 5/39:20 amPRG - IAD

1 stop32h 25mTurkish Airlines

Deal found 4/22

$734

Mon 4/284:07 pmIAD - PRG

2 stops15h 33mUnited Airlines

Sun 5/46:00 amPRG - IAD

2 stops16h 19mUnited Airlines

Deal found 4/22

$2,013

Tue 4/291:44 pmIAD - PRG

2 stops12h 36mDelta

Tue 9/166:00 amPRG - IAD

2 stops16h 31mDelta

Deal found 4/23

$2,460

Wed 4/308:30 pmIAD - PRG

2 stops17h 45mMultiple Airlines

Tue 5/67:30 pmPRG - IAD

1 stop25h 50mMultiple Airlines

Deal found 4/23

$919

Wed 4/305:20 pmIAD - PRG

1 stop11h 50mAer Lingus

Sun 5/411:50 amPRG - IAD

1 stop13h 05mAer Lingus

Deal found 4/23

$1,013

Wed 4/303:55 pmIAD - PRG

2 stops20h 00mAir Canada

Tue 5/611:40 amPRG - IAD

2 stops15h 28mAir Canada

Deal found 4/23

$1,745

Thu 5/110:20 pmIAD - PRG

1 stop32h 10mTAP AIR PORTUGAL

Mon 5/57:35 pmPRG - IAD

1 stop25h 45mTAP AIR PORTUGAL

Deal found 4/23

$828

Thu 5/110:20 pmIAD - PRG

1 stop11h 45mLufthansa

Sun 5/46:20 amPRG - IAD

2 stops13h 10mLufthansa

Deal found 4/23

$1,896

Thu 5/15:40 pmIAD - PRG

2 stops19h 05mFinnair

Sun 5/47:30 pmPRG - IAD

2 stops26h 15mFinnair

Deal found 4/23

$2,362

Fri 5/25:40 pmIAD - PRG

1 stop23h 20mBritish Airways

Sun 5/49:20 pmPRG - IAD

2 stops24h 30mBritish Airways

Deal found 4/23

$1,484

Fri 5/25:40 pmIAD - PRG

2 stops19h 15mIberia

Mon 5/58:40 pmPRG - IAD

2 stops25h 05mIberia

Deal found 4/23

$2,216

One-way flights from Dulles Intl to Prague
Search for one-way flight options from Dulles Intl to Prague. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sun 7/131:31 pmIAD - PRG

2 stops37h 29mMultiple Airlines

Deal found 4/23

$282

Wed 7/235:50 pmIAD - PRG

1 stop18h 50mTAP AIR PORTUGAL

Deal found 4/23

$328

Sat 7/268:30 pmIAD - PRG

1 stop10h 35mIcelandair

Deal found 4/23

$353

Sat 7/269:45 amIAD - PRG

2 stops44h 25mAir Canada

Deal found 4/23

$465

Sun 5/118:25 pmIAD - PRG

1 stop32h 45mAer Lingus

Deal found 4/23

$495

Mon 5/198:45 pmIAD - PRG

1 stop11h 20mSWISS

Deal found 4/23

$562

Thu 5/1512:25 pmIAD - PRG

1 stop14h 35mKLM

Deal found 4/23

$662

Mon 6/1610:05 pmIAD - PRG

1 stop29h 40mScandinavian Airlines

Deal found 4/22

$703

Fri 5/231:30 pmIAD - PRG

1 stop22h 55mTurkish Airlines

Deal found 4/23

$879

Fri 5/2310:40 pmIAD - PRG

1 stop12h 10mBritish Airways

Deal found 4/23

$894

Fri 6/132:25 pmIAD - PRG

1 stop15h 45mUnited Airlines

Deal found 4/22

$900

Mon 5/197:15 amIAD - PRG

3 stops46h 20mCathay Pacific

Deal found 4/23

$7,995

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Prague that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/20

10:05 pm-9:45 am

1 stop29h 40m

Václav Havel Prague

Wed 9/3

10:25 am-7:59 pm

1 stop15h 34m

$550

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 5/13

8:45 pm-2:05 pm

1 stop11h 20m

Václav Havel Prague

Tue 5/27

7:10 pm-4:15 pm

1 stop27h 05m

$564

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Fri 10/10

5:00 pm-12:30 pm

1 stop13h 30m

Václav Havel Prague

Tue 10/21

7:30 pm-3:20 pm

1 stop25h 50m

$576

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/3

9:45 am-12:10 pm

2 stops20h 25m

Václav Havel Prague

Tue 8/19

11:40 am-11:13 am

2 stops29h 33m

$635

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 8/3

12:30 pm-9:00 am

1 stop14h 30m

Václav Havel Prague

Fri 8/22

11:00 am-11:55 am

1 stop30h 55m

$636

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 8/5

2:25 pm-12:10 pm

1 stop15h 45m

Václav Havel Prague

Tue 8/19

6:20 am-4:15 pm

1 stop15h 55m

$643

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 8/5

10:25 am-12:10 pm

1 stop19h 45m

Václav Havel Prague

Thu 8/21

1:35 pm-7:25 pm

1 stop11h 50m

$646

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 9/11

8:30 pm-1:05 pm

1 stop10h 35m

Václav Havel Prague

Mon 9/29

2:00 pm-7:20 pm

1 stop11h 20m

$653

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Thu 9/11

1:30 pm-2:30 pm

1 stop19h 00m

Václav Havel Prague

Thu 10/2

9:20 am-7:45 pm

1 stop16h 25m

$663

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 8/6

1:56 pm-11:10 am

2 stops15h 14m

Václav Havel Prague

Wed 8/20

8:10 am-8:10 pm

2 stops18h 00m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 27 results

Compare providers for flights from Dulles Intl to Prague

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price 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.

Cheapflights Insights

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

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

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 54 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 $1,215). 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?

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

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

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 a feel of what it's like to fly with Delta, KLM and Finnair 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.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,272 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,582 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Cathay Pacific

7.5

Good

850 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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. 12 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 TAP AIR PORTUGAL, from $577, and Delta, from $631. Scandinavian Airlines is priced at 29% 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 $328. However, be on the lookout for offers from Icelandair and Air Canada, 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 $1,215). 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

Top 10 airlines flying from Dulles Intl to Prague

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$436	Average$741	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$436	Average$492	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$525	Average$935	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$526	Average$845	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$547	Average$706	FlexibilityNo cancel fee	On-time70%
Turkish Airlines	Cheapest$554	Average$607	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$563	Average$964	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$563	Average$860	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$564	Average$791	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$571	Average$880	FlexibilityNo cancel fee	On-time79%

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$270+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Václav Havel Prague are usually found in February or January, booked 54 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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Cheapest flights from Dulles Intl to PragueExplore 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 April 24, 2025.

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 April 24, 2025.

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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.

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

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 April 18, 2025.

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

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 April 24, 2025.

Rainfall in Prague by month

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

Temperature in Prague by month

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

Reviews of airlines servicing Prague

Get a feel of what it's like to fly with Delta, KLM and Finnair 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.

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?

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

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

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

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

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Alternative routes for Dulles Intl to Prague

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Top 10 airlines flying from Dulles Intl to Prague

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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 April 24, 2025.