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 $569. Other airlines that can offer you cheap pricing are Icelandair, from $609, and Turkish Airlines, from $627. British Airways is priced at 28% 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 Icelandair, with whom users have recently found tickets for as low as $272. However, be on the lookout for offers from TAP AIR PORTUGAL and Turkish Airlines, 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 40%.

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.

$272+ Flights from Washington, D.C. Dulles Intl Airport to Prague - Compare & Save Big

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.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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	$569 (British Airways)
One-way from	$272 (oojo)
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 ($178 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

Search Deals

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 29, 2025.

Sat 10/2510:05 pmIAD - PRG

2 stops15h 15mScandinavian Airlines

Sat 11/810:25 amPRG - IAD

1 stop12h 50mScandinavian Airlines

Deal found 4/28

$554

Sun 11/237:40 pmIAD - PRG

1 stop10h 20mIcelandair

Mon 12/812:55 pmPRG - IAD

1 stop11h 25mIcelandair

Deal found 4/28

$567

Mon 5/1910:40 pmIAD - PRG

1 stop15h 40mBritish Airways

Fri 5/307:10 amPRG - IAD

1 stop18h 55mBritish Airways

Deal found 4/28

$569

Sun 9/2110:40 pmIAD - PRG

1 stop18h 45mMultiple Airlines

Thu 9/258:10 amPRG - IAD

2 stops18h 00mMultiple Airlines

Deal found 4/28

$575

Fri 10/105:00 pmIAD - PRG

1 stop13h 30mTAP AIR PORTUGAL

Tue 10/217:30 pmPRG - IAD

1 stop25h 50mTAP AIR PORTUGAL

Deal found 4/28

$576

Wed 7/3010:40 pmIAD - PRG

1 stop18h 25mAmerican Airlines

Wed 8/137:40 pmPRG - IAD

1 stop25h 20mAmerican Airlines

Deal found 4/28

$608

Tue 4/293:55 pmIAD - PRG

2 stops15h 00mAir Canada

Tue 5/610:25 amPRG - IAD

2 stops16h 43mAir Canada

Deal found 4/28

$621

Mon 5/59:40 pmIAD - PRG

1 stop34h 50mTurkish Airlines

Tue 5/133:25 pmPRG - IAD

1 stop34h 20mTurkish Airlines

Deal found 4/28

$627

Mon 8/1110:19 pmIAD - PRG

2 stops31h 51mUnited Airlines

Wed 8/206:00 amPRG - IAD

2 stops21h 01mUnited Airlines

Deal found 4/28

$639

Mon 5/1210:40 pmIAD - PRG

2 stops26h 50mFinnair

Thu 6/128:10 amPRG - IAD

2 stops18h 00mFinnair

Deal found 4/28

$649

Wed 12/35:10 pmIAD - PRG

2 stops17h 55mDelta

Sun 12/146:00 amPRG - IAD

2 stops16h 31mDelta

Deal found 4/28

$723

Fri 9/56:10 pmIAD - PRG

2 stops12h 45mLufthansa

Sat 9/206:20 amPRG - IAD

2 stops13h 10mLufthansa

Deal found 4/28

$820

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 29, 2025.

Mon 5/1910:40 pmIAD - PRG

1 stop15h 40mBritish Airways

Fri 5/307:10 amPRG - IAD

1 stop18h 55mBritish Airways

Deal found 4/28

$569

Sun 5/118:30 pmIAD - PRG

1 stop10h 35mIcelandair

Fri 5/162:00 pmPRG - IAD

1 stop11h 20mIcelandair

Deal found 4/28

$609

Mon 5/59:40 pmIAD - PRG

1 stop34h 50mTurkish Airlines

Wed 5/287:20 pmPRG - IAD

1 stop22h 25mTurkish Airlines

Deal found 4/28

$627

Wed 5/710:20 pmIAD - PRG

1 stop14h 20mTAP AIR PORTUGAL

Wed 5/211:40 pmPRG - IAD

1 stop31h 40mTAP AIR PORTUGAL

Deal found 4/28

$631

Mon 5/51:59 pmIAD - PRG

2 stops15h 11mAmerican Airlines

Tue 5/1310:20 amPRG - IAD

1 stop13h 10mAmerican Airlines

Deal found 4/28

$638

Mon 5/1210:40 pmIAD - PRG

2 stops26h 50mFinnair

Thu 6/128:10 amPRG - IAD

2 stops18h 00mFinnair

Deal found 4/28

$649

Tue 5/61:53 pmIAD - PRG

2 stops13h 47mAir Canada

Thu 5/156:00 amPRG - IAD

2 stops21h 08mAir Canada

Deal found 4/28

$664

Tue 5/63:18 pmIAD - PRG

2 stops15h 37mMultiple Airlines

Thu 5/156:20 amPRG - IAD

1 stop15h 55mMultiple Airlines

Deal found 4/28

$668

Wed 5/288:45 pmIAD - PRG

1 stop11h 20mUnited Airlines

Wed 6/46:00 amPRG - IAD

2 stops16h 19mUnited Airlines

Deal found 4/28

$859

Sat 7/58:30 pmIAD - PRG

2 stops18h 05mDelta

Fri 7/2511:00 amPRG - IAD

1 stop14h 51mDelta

Deal found 4/28

$861

Wed 7/95:25 pmIAD - PRG

1 stop11h 10mAustrian Airlines

Wed 7/237:30 amPRG - IAD

1 stop13h 05mAustrian Airlines

Deal found 4/28

$866

Mon 7/1410:40 pmIAD - PRG

2 stops30h 30mAer Lingus

Mon 7/2111:50 amPRG - IAD

1 stop13h 05mAer Lingus

Deal found 4/28

$927

Last-minute flights from Dulles Intl to Prague
Discover last-minute flight deals from Dulles Intl to Prague. Data last updated April 29, 2025 and is based on user searches.

Tue 4/293:55 pmIAD - PRG

2 stops15h 00mAir Canada

Tue 5/610:25 amPRG - IAD

2 stops16h 43mAir Canada

Deal found 4/28

$621

Tue 4/2910:20 pmIAD - PRG

1 stop11h 40mMultiple Airlines

Tue 5/69:50 amPRG - IAD

1 stop12h 25mMultiple Airlines

Deal found 4/28

$628

Wed 4/3010:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Wed 9/1710:50 amPRG - IAD

2 stops39h 09mScandinavian Airlines

Deal found 4/28

$719

Mon 5/59:40 pmIAD - PRG

1 stop34h 50mTurkish Airlines

Wed 5/287:20 pmPRG - IAD

1 stop22h 25mTurkish Airlines

Deal found 4/28

$627

Mon 5/57:25 pmIAD - PRG

1 stop18h 55mBritish Airways

Wed 5/286:40 amPRG - IAD

1 stop19h 25mBritish Airways

Deal found 4/28

$634

Mon 5/51:59 pmIAD - PRG

2 stops15h 11mAmerican Airlines

Tue 5/1310:20 amPRG - IAD

1 stop13h 10mAmerican Airlines

Deal found 4/28

$638

Mon 5/510:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Mon 5/2610:25 amPRG - IAD

1 stop15h 34mScandinavian Airlines

Deal found 4/28

$979

Tue 5/61:53 pmIAD - PRG

2 stops13h 47mAir Canada

Thu 5/156:00 amPRG - IAD

2 stops21h 08mAir Canada

Deal found 4/28

$664

Tue 5/63:18 pmIAD - PRG

2 stops15h 37mMultiple Airlines

Thu 5/156:20 amPRG - IAD

1 stop15h 55mMultiple Airlines

Deal found 4/28

$668

Tue 5/65:38 pmIAD - PRG

3 stops47h 27mCathay Pacific

Thu 5/152:05 pmPRG - IAD

3 stops45h 50mCathay Pacific

Deal found 4/28

$12,752

Wed 5/710:20 pmIAD - PRG

1 stop14h 20mTAP AIR PORTUGAL

Wed 5/211:40 pmPRG - IAD

1 stop31h 40mTAP AIR PORTUGAL

Deal found 4/28

$631

Sun 5/118:30 pmIAD - PRG

1 stop10h 35mIcelandair

Fri 5/162:00 pmPRG - IAD

1 stop11h 20mIcelandair

Deal found 4/28

$609

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 29, 2025.

Fri 7/411:15 pmIAD - PRG

1 stop31h 50mIcelandair

Deal found 4/28

$272

Mon 7/71:32 pmIAD - PRG

2 stops28h 38mMultiple Airlines

Deal found 4/28

$318

Wed 7/235:50 pmIAD - PRG

1 stop18h 50mTAP AIR PORTUGAL

Deal found 4/28

$327

Sun 5/119:40 pmIAD - PRG

1 stop28h 45mTurkish Airlines

Deal found 4/28

$356

Mon 7/77:25 pmIAD - PRG

1 stop18h 55mBritish Airways

Deal found 4/28

$464

Sat 7/199:45 amIAD - PRG

2 stops44h 25mAir Canada

Deal found 4/28

$465

Wed 5/2810:05 pmIAD - PRG

1 stop16h 10mScandinavian Airlines

Deal found 4/27

$487

Fri 7/1112:12 pmIAD - PRG

1 stop14h 48mKLM

Deal found 4/28

$542

Wed 5/219:45 amIAD - PRG

2 stops26h 10mUnited Airlines

Deal found 4/28

$629

Wed 6/117:25 pmIAD - PRG

3 stops46h 05mCathay Pacific

Deal found 4/28

$28,313

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

Mon 5/19

10:40 pm-8:20 pm

1 stop15h 40m

Václav Havel Prague

Fri 5/30

7:10 am-8:05 pm

1 stop18h 55m

$569

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sun 5/11

8:30 pm-1:05 pm

1 stop10h 35m

Václav Havel Prague

Fri 5/16

2:00 pm-7:20 pm

1 stop11h 20m

$609

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/5

9:40 pm-2:30 pm

1 stop34h 50m

Václav Havel Prague

Wed 5/28

7:20 pm-11:45 am

1 stop22h 25m

$627

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 5/7

10:20 pm-6:40 pm

1 stop14h 20m

Václav Havel Prague

Wed 5/21

1:40 pm-3:20 pm

1 stop31h 40m

$631

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/5

1:59 pm-11:10 am

2 stops15h 11m

Václav Havel Prague

Tue 5/13

10:20 am-5:30 pm

1 stop13h 10m

$638

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Mon 5/12

10:40 pm-7:30 am

2 stops26h 50m

Václav Havel Prague

Thu 6/12

8:10 am-8:10 pm

2 stops18h 00m

$649

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 5/6

1:53 pm-9:40 am

2 stops13h 47m

Václav Havel Prague

Thu 5/15

6:00 am-9:08 pm

2 stops21h 08m

$664

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Tue 5/6

3:18 pm-12:55 pm

2 stops15h 37m

Václav Havel Prague

Thu 5/15

6:20 am-4:15 pm

1 stop15h 55m

$668

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Wed 5/28

8:45 pm-2:05 pm

1 stop11h 20m

Václav Havel Prague

Wed 6/4

6:00 am-4:19 pm

2 stops16h 19m

$859

Washington, D.C.Prague

IAD - PRG

IADPRG

Washington, D.C. Dulles Intl

Sat 7/5

8:30 pm-8:35 pm

2 stops18h 05m

Václav Havel Prague

Fri 7/25

11:00 am-7:51 pm

1 stop14h 51m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 24 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

Delta

8.0

Very good

7,929 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

7,929 reviews

Delta

8.0

Very good

7,929 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

7,929 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

1,273 reviews

Delta

8.0

Very good

7,929 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.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 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

852 reviews

Delta

8.0

Very good

7,929 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 $569. Other airlines that can offer you cheap pricing are Icelandair, from $609, and Turkish Airlines, from $627. British Airways is priced at 28% 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 Icelandair, with whom users have recently found tickets for as low as $272. However, be on the lookout for offers from TAP AIR PORTUGAL and Turkish Airlines, 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$726	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$436	Average$495	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$520	Average$688	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$525	Average$1,028	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$526	Average$845	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$554	Average$607	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$556	Average$1,085	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$563	Average$874	FlexibilityNo cancel fee	On-time69%
Aer Lingus	Cheapest$564	Average$796	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$571	Average$848	FlexibilityNo cancel fee	On-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$272+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Prague with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Prague

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 29, 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 29, 2025.

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.

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 April.

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.

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?

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 25, 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 29, 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

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?

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

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

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

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?

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 Dulles Intl to Prague

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dulles Intl to Prague

100% Free

Book with Flexibility

Travel Smart

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 29, 2025.