Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Prague from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Prague departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Prague

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Prague.
SWISS Logo
8:45 pm - 6:25 pmIAD-PRG
15h 40m1 stop
SWISS Logo
9:50 am - 4:15 pmPRG-IAD
12h 25m1 stop
$388SWISS
Find Deal
Wed, Apr 30 - Wed, May 7
Scandinavian Airlines Logo
10:05 pm - 8:15 pmIAD-PRG
16h 10m1 stop
Scandinavian Airlines Logo
8:55 pm - 7:59 pmPRG-IAD
29h 04m1 stop
$461Scandinavian Airlines
Find Deal
Mon, May 5 - Tue, May 13
TAP AIR PORTUGAL Logo
10:20 pm - 6:45 pmIAD-PRG
14h 25m1 stop
TAP AIR PORTUGAL Logo
7:30 pm - 8:50 pmPRG-IAD
31h 20m1 stop
$608TAP AIR PORTUGAL
Find Deal
Sun, Sep 21 - Thu, Sep 25
Turkish Airlines Logo
1:30 pm - 6:25 pmIAD-PRG
22h 55m1 stop
Turkish Airlines Logo
7:20 pm - 11:45 amPRG-IAD
22h 25m1 stop
$619Turkish Airlines
Find Deal
Wed, May 7 - Wed, May 21
Turkish Airlines Logo
1:30 pm - 2:30 pmIAD-PRG
19h 00m1 stop
Turkish Airlines Logo
9:20 am - 11:45 amPRG-IAD
32h 25m1 stop
$620Turkish Airlines
Find Deal
Wed, May 7 - Wed, May 21
TAP AIR PORTUGAL Logo
10:20 pm - 6:45 pmIAD-PRG
14h 25m1 stop
TAP AIR PORTUGAL Logo
7:35 pm - 3:20 pmPRG-IAD
25h 45m1 stop
$633TAP AIR PORTUGAL
Find Deal
Sun, Apr 27 - Mon, May 5
Icelandair Logo
8:30 pm - 1:05 pmIAD-PRG
10h 35m1 stop
Icelandair Logo
2:00 pm - 7:20 pmPRG-IAD
11h 20m1 stop
$634Icelandair
Find Deal
Sun, May 4 - Fri, May 9
Icelandair Logo
11:15 pm - 1:05 pmIAD-PRG
31h 50m1 stop
Icelandair Logo
2:00 pm - 7:20 pmPRG-IAD
11h 20m1 stop
$643Icelandair
Find Deal
Fri, Aug 29 - Sun, Sep 7
United Airlines Logo
8:45 pm - 2:05 pmIAD-PRG
11h 20m1 stop
United Airlines Logo
6:00 am - 4:19 pmPRG-IAD
16h 19m2 stops
$688United Airlines
Find Deal
Mon, May 5 - Tue, May 13
United Airlines Logo
3:47 pm - 2:05 pmIAD-PRG
16h 18m2 stops
United Airlines Logo
2:30 pm - 9:46 amPRG-IAD
25h 16m2 stops
$699United Airlines
Find Deal
Mon, Apr 14 - Wed, Apr 23

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Prague

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Prague flight tickets
Scandinavian Airlines
May 5
IAD10:05 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
PRG8:15 pmVáclav Havel Prague
May 13
PRG8:55 pmVáclav Havel Prague
29h 04m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
May 5
IAD10:05 pmWashington, D.C. Dulles Intl
16h 10m
1 stop
PRG8:15 pmVáclav Havel Prague
May 13
PRG8:55 pmVáclav Havel Prague
29h 04m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Sep 29
IAD10:05 pmWashington, D.C. Dulles Intl
30h 05m
2 stops
PRG10:10 amVáclav Havel Prague
Oct 13
PRG8:45 pmVáclav Havel Prague
29h 14m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Prague

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Prague flight tickets
TAP AIR PORTUGAL
Sep 21
IAD10:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
PRG6:45 pmVáclav Havel Prague
Sep 25
PRG7:30 pmVáclav Havel Prague
31h 20m
1 stop
IAD8:50 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Apr 27
IAD10:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
PRG6:45 pmVáclav Havel Prague
May 5
PRG7:35 pmVáclav Havel Prague
25h 45m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Jul 20
IAD10:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
PRG6:45 pmVáclav Havel Prague
Aug 29
PRG1:45 pmVáclav Havel Prague
13h 05m
1 stop
IAD8:50 pmWashington, D.C. Dulles Intl

See travel insights to Prague from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Prague

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Prague?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Prague. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $582. If you are unable to visit Prague during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $594.

What is the cheapest day to depart on your flight to Prague?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Prague is on a Tuesday. Travelers who choose to depart for Prague on a Tuesday will often find tickets for as low as $763. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Prague for around $941.

What is the cheapest time of day to depart on your flight to Prague?

According to our data, the cheapest time of day to fly to Prague is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Prague at noon for as low as $747. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $893. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Prague?

You are more likely to see cheaper flights to Prague from Washington, D.C. Dulles Intl Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Prague for around $811 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Prague from Washington, D.C. Dulles Intl Airport for as low as $730 on momondo.

How have Washington, D.C. Dulles Intl Airport to Prague flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Prague flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Prague

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Prague according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Prague (IAD to PRG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Prague

Best Price Found

$287

Fastest flight time

10h 35m

Direct flights

None

Airports in Prague

1 airport
The best one-way flight to Prague from Washington, D.C. Dulles Intl Airport in the past 72 hours is $287. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Prague found on momondo in the last 72 hours is $388.
The fastest flight from Washington, D.C. Dulles Intl Airport to Prague takes 10h 35m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Prague. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Václav Havel Prague Airport.
There is 1 airport near Prague: Václav Havel Prague (PRG)

  • How far is Washington, D.C. Dulles Intl to Václav Havel Prague by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Václav Havel Prague is 4296.7 mi. Flights usually cover this in 10h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Václav Havel Prague Airport.

  • What documentation or ID do you need to fly to Václav Havel Prague Airport?

    The travel and health documents required for your trip to Václav Havel Prague Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Václav Havel Prague Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Prague?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Prague

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Prague with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $436Free CancellationRating
7.3
1,328 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $459Free CancellationRating
7.0
476 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $526Free CancellationRating
7.1
1,833 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $554Free CancellationRating
7.3
3,750 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $560Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
Aer LingusPriceFrom $564Free CancellationRating
7.0
1,059 reviews
Search Aer Lingus flights
SWISSPriceFrom $571Free CancellationRating
7.5
1,574 reviews
Search SWISS flights
United AirlinesPriceFrom $580Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
DeltaPriceFrom $593Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Austrian AirlinesPriceFrom $597Free CancellationRating
7.5
771 reviews
Search Austrian Airlines flights

Traveling to a place near Prague?

Book flights to Prague if you plan to visit one of these locations
Český Krumlov
Pilsen
Liberec

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Prague?

It is quick and easy to find Washington, D.C. to Prague flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Prague that suits you.

Can I find flights from Washington, D.C. to Prague with flexible booking policies on momondo?

Flights from Washington, D.C. to Prague with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Prague?

Once you have performed a search for Washington, D.C. to Prague flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Prague right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Prague, momondo offers a useful price alert feature which will track prices for flights to Prague from Washington, D.C. and alert you when they change.


An easier way to manage your Prague trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 4/8
Tue 4/15

Find better results for your trip to the Czech Republic

Fly your favorite airline to Prague

Airlines are sorted and displayed according to clicks in the past 7 days on momondo