$317+ Cheap flights from Dulles Intl (IAD) to Prague (PRG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PRG
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Prague
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Best
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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 October 12, 2026.
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 October 12, 2026.
This deal was found by Cheapflights users on 10/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:45 pm -
1 stop13h 15m
Wed 12/96:50 am -
1 stop14h 50m
Deal found 10/10![British Airways logo]()
$707
This Mytrip deal was found by Cheapflights users on 10/9. 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 11/179:55 am -
2 stops28h 40m
Tue 11/246:10 am -
2 stops20h 13m
Deal found 10/9![Multiple Airlines logo]()
$708
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 pm -
2 stops16h 05m
Thu 11/1910:25 am -
1 stop12h 50m
Deal found 10/9![Scandinavian Airlines logo]()
$709
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Wed 11/119:55 am -
3 stops28h 15m
Mon 11/161:40 pm -
2 stops33h 20m
Deal found 10/9![Multiple Airlines logo]()
$711
This FlightHub deal was found by Cheapflights users on 10/8. 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 11/22:30 pm -
1 stop17h 20m
Thu 11/122:45 pm -
1 stop27h 00m
Deal found 10/8![Turkish Airlines logo]()
$716
This deal was found by Cheapflights users on 10/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:45 pm -
1 stop13h 50m
Mon 12/76:50 am -
1 stop14h 50m
Deal found 10/10![British Airways logo]()
$717
This oojo deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:30 pm -
1 stop12h 00m
Tue 12/87:20 pm -
1 stop27h 55m
Deal found 10/7![Scandinavian Airlines logo]()
$720
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm -
2 stops16h 05m
Sat 12/1210:25 am -
1 stop14h 25m
Deal found 10/8![Scandinavian Airlines logo]()
$722
This oojo deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm -
2 stops16h 05m
Tue 12/87:20 pm -
1 stop27h 55m
Deal found 10/10![Scandinavian Airlines logo]()
$723
Best flights from Dulles Intl to PragueDiscover 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 October 12, 2026.
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 October 12, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm -
2 stops16h 05m
Tue 12/810:25 am -
2 stops31h 24m
Deal found 10/10![Scandinavian Airlines logo]()
$811
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/56:30 pm -
2 stops14h 30m
Sat 4/108:50 am -
1 stop12h 45m
Deal found 10/9![Delta logo]()
$853
This KLM deal was found by Cheapflights users on 10/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/135:35 pm -
1 stop11h 15m
Fri 12/188:55 am -
1 stop13h 00m
Deal found 10/9![KLM logo]()
$890
This United Airlines deal was found by Cheapflights users on 10/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/55:28 pm -
2 stops14h 27m
Mon 1/117:05 am -
2 stops15h 20m
Deal found 10/8![United Airlines logo]()
$948
This Scandinavian Airlines deal was found by Cheapflights users on 10/7. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:35 pm -
2 stops24h 05m
Tue 12/810:25 am -
2 stops31h 24m
Deal found 10/7![Scandinavian Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:10 pm -
2 stops14h 15m
Fri 12/186:00 am -
2 stops17h 33m
Deal found 10/10![Delta logo]()
$905
This United Airlines deal was found by Cheapflights users on 10/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2710:55 pm -
1 stop17h 45m
Wed 1/62:50 pm -
2 stops31h 45m
Deal found 10/10![United Airlines logo]()
$960
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/268:30 pm -
1 stop17h 40m
Fri 1/87:20 pm -
1 stop29h 30m
Deal found 10/8![Scandinavian Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:45 pm -
1 stop14h 00m
Tue 1/128:55 am -
2 stops14h 35m
Deal found 10/8![Delta logo]()
$947
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:32 pm -
2 stops18h 03m
Thu 11/126:00 am -
1 stop15h 45m
Deal found 10/7![Delta logo]()
$950
This Delta deal was found by Cheapflights users on 10/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 pm -
1 stop13h 35m
Sun 11/16:00 am -
2 stops17h 33m
Deal found 10/11![Delta logo]()
$951
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:35 pm -
2 stops14h 30m
Mon 11/306:00 am -
2 stops17h 28m
Deal found 10/8![Delta logo]()
$978
Last-minute flights from Dulles Intl to PragueDiscover last-minute flight deals from Dulles Intl to Prague. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Prague. Data last updated October 12, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/8. 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 11/22:30 pm -
1 stop17h 20m
Thu 11/122:45 pm -
1 stop27h 00m
Deal found 10/8![Turkish Airlines logo]()
$716
This Mytrip deal was found by Cheapflights users on 10/9. 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 11/109:55 am -
3 stops28h 25m
Tue 11/246:10 am -
2 stops20h 13m
Deal found 10/9![Multiple Airlines logo]()
$726
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Wed 11/119:55 am -
3 stops28h 15m
Mon 11/161:40 pm -
2 stops33h 20m
Deal found 10/9![Multiple Airlines logo]()
$711
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 pm -
2 stops16h 05m
Thu 11/1910:25 am -
1 stop12h 50m
Deal found 10/9![Scandinavian Airlines logo]()
$709
This Mytrip deal was found by Cheapflights users on 10/9. 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 11/179:55 am -
2 stops28h 40m
Tue 11/246:10 am -
2 stops20h 13m
Deal found 10/9![Multiple Airlines logo]()
$708
This Gotogate deal was found by Cheapflights users on 10/10. 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.
Thu 11/269:20 pm -
1 stop14h 40m
Wed 12/97:20 pm -
1 stop22h 25m
Deal found 10/10![Turkish Airlines logo]()
$725
This oojo deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm -
1 stop11h 50m
Tue 12/87:20 pm -
1 stop27h 55m
Deal found 10/10![Scandinavian Airlines logo]()
$720
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:30 pm -
2 stops16h 05m
Sat 12/1210:25 am -
1 stop14h 25m
Deal found 10/8![Scandinavian Airlines logo]()
$722
This deal was found by Cheapflights users on 10/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:45 pm -
1 stop13h 15m
Wed 12/96:50 am -
1 stop14h 50m
Deal found 10/10![British Airways logo]()
$707
One-way flights from Dulles Intl to PragueSearch for one-way flight options from Dulles Intl to Prague. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from Dulles Intl to Prague. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
2 stops53h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:35 pm -
3 stops28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:30 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 pm -
3 stops40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:25 pm -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:35 pm -
3 stops51h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:40 pm -
2 stops19h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$340
This Mytrip deal was found by Cheapflights users on 10/8. 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 11/37:40 pm -
2 stops12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm -
3 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$348
Find 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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $707 |
One-way from | $317 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $866 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 12, 2026.
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
Cheapest round-trip
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Thu 4/8
8:30 pm-8:20 am
2 stops29h 50m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$351
Quickest round-trip
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Thu 11/26
7:40 pm-11:55 am
1 stop10h 15m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$354
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Thu 10/29
10:20 pm-8:15 pm
3 stops40h 55m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$414
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Wed 11/4
12:30 pm-11:10 am
2 stops16h 40m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$442
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Thu 12/3
8:30 pm-2:30 pm
1 stop12h 00m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$510
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Sun 12/27
9:20 pm-1:50 pm
1 stop34h 30m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$520
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Thu 10/29
10:20 pm-8:35 am
1 stop29h 15m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$572
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Tue 12/22
8:50 pm-11:00 am
1 stop32h 10m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$591
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Fri 10/30
2:30 pm-1:50 pm
1 stop18h 20m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$612
Washington, D.C.Prague
IAD Washington, D.C. Dulles Intl - PRG Václav Havel Prague
IADPRG
Washington, D.C. Dulles Intl
Sun 12/27
9:55 am-9:40 am
2 stops17h 45m
Václav Havel Prague
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$614
Showing 1-10 of 22 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Prague flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Prague flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. 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.
IAD-PRG
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
Prices
More
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 43 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Prague (average of $596). Flying from Washington, D.C. Dulles Intl Airport to Prague in July is currently the most expensive (average of $925). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Prague?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Prague flights typically cost between $724 and $974 in November.The cheapest round-trip price found within the last 5 days was $707 on British Airways (Nov 29-Dec 9).
What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Prague?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Prague chosen by Cheapflights users in the past 12 months, using the same layover each way.
Zurich (ZRH) – chosen by Cheapflights users on 40% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Prague on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Prague?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Prague, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $548.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Prague?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Prague, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 11h 35m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Prague?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Prague, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 8h 13m.
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 October 12, 2026.
Get a feel of what it's like to fly with SWISS,Scandinavian Airlines, andUnited Airlines from Washington, D.C. Dulles Intl Airport 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.
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Boarding
7.7
Food
7.1
Entertainment
6.8
Overall
7.5
Comfort
7.4
Crew
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Oct 2026
BOS - ZRH
Related info for your journey
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Dulles Intl and Prague flights
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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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$459 | Average$582 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$479 | Average$783 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$486 | Average$705 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$549 | Average$781 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$561 | Average$769 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$563 | Average$799 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$566 | Average$843 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$594 | Average$738 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$647 | Average$1,016 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$723 | Average$879 | FlexibilityNo cancel fee | On-timeN/A |