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$306+ Cheap flights from Washington to the Czech Republic

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PRG
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Washington to Czech Republic

Keep the following information in mind while searching for Washington to Czech Republic flight deals. Data was last updated September 16, 2025.

Round-trip from

$393
(CrystalTravel)

One-way from

$306
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$720
From Washington to Czech Republic
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One-way flight from Washington to Czech Republic
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Highest demand for flights based on searches. 2% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Czech Republic

Cheapest flights from Washington to Czech Republic
Explore the most affordable flight options available from Washington to Czech Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:35 pmSEA - PRG
1 stop12h 20mIcelandair
Sat 11/812:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/15$393
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Sat 10/183:45 pmSEA - PRG
1 stop12h 20mIcelandair
Mon 11/312:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/16$402
This oojo deal was found by Cheapflights users on 9/15. 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 10/253:50 pmSEA - PRG
1 stop12h 05mIcelandair
Mon 11/312:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/15$406
This oojo deal was found by Cheapflights users on 9/16. 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.
Sun 11/162:35 pmSEA - PRG
1 stop12h 20mIcelandair
Mon 11/2412:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/16$407
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Sat 10/183:20 pmPDX - PRG
1 stop12h 45mIcelandair
Mon 11/312:50 pmPRG - PDX
1 stop13h 10mIcelandair
Deal found 9/14$422
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:35 pmSEA - PRG
1 stop12h 20mIcelandair
Fri 12/1212:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/15$431
This deal was found by Cheapflights users on 9/15. 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.
Thu 10/303:45 pmPDX - PRG
1 stop12h 10mIcelandair
Fri 11/712:50 pmPRG - PDX
1 stop13h 10mIcelandair
Deal found 9/15$450
This deal was found by Cheapflights users on 9/15. 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.
Thu 10/303:35 pmSEA - PRG
1 stop12h 20mIcelandair
Fri 11/712:50 pmPRG - SEA
1 stop13h 10mIcelandair
Deal found 9/15$464
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/142:10 pmSEA - PRG
2 stops21h 05mScandinavian Airlines
Tue 10/218:55 pmPRG - SEA
1 stop26h 05mScandinavian Airlines
Deal found 9/15$474
This oojo deal was found by Cheapflights users on 9/15. 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.
Thu 10/93:20 pmPDX - PRG
1 stop12h 45mIcelandair
Wed 10/152:00 pmPRG - PDX
1 stop12h 55mIcelandair
Deal found 9/15$474
This Orbitz deal was found by Cheapflights users on 9/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:10 pmSEA - PRG
2 stops34h 35mScandinavian Airlines
Tue 10/218:55 pmPRG - SEA
1 stop26h 05mScandinavian Airlines
Deal found 9/16$486
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:40 pmSEA - PRG
1 stop12h 35mCondor
Mon 11/178:10 amPRG - SEA
1 stop16h 30mCondor
Deal found 9/14$490

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Czech Republic that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Washington to the Czech Republic that are best for you.

Fly from

Washington

Fly to

Czech Republic

Route

Depart

Return

Price

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Sat 10/18

3:45 pm-1:05 pm

1 stop12h 20m

Václav Havel Prague

Mon 11/3

12:50 pm-5:00 pm

1 stop13h 10m

$404

PortlandPrague

PDX - PRG

PDXPRG

Portland

Sat 10/18

3:20 pm-1:05 pm

1 stop12h 45m

Václav Havel Prague

Mon 11/3

12:50 pm-5:00 pm

1 stop13h 10m

$422

PortlandPrague

PDX - PRG

PDXPRG

Portland

Thu 10/30

3:45 pm-11:55 am

1 stop12h 10m

Václav Havel Prague

Fri 11/7

12:50 pm-5:00 pm

1 stop13h 10m

$450

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Mon 11/3

5:40 pm-3:15 pm

1 stop12h 35m

Václav Havel Prague

Mon 11/17

8:10 am-3:40 pm

1 stop16h 30m

$490

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Sun 11/9

7:10 am-2:20 pm

2 stops22h 10m

Václav Havel Prague

Thu 11/20

10:25 am-11:58 pm

2 stops22h 33m

$502

PortlandPrague

PDX - PRG

PDXPRG

Portland

Thu 11/20

2:45 pm-11:55 am

1 stop12h 10m

Václav Havel Prague

Fri 11/28

12:50 pm-5:00 pm

1 stop13h 10m

$523

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Sat 10/18

12:45 pm-8:45 pm

2 stops23h 00m

Václav Havel Prague

Mon 11/3

10:25 am-10:25 pm

2 stops21h 00m

$526

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Mon 10/6

5:05 pm-3:50 pm

1 stop13h 45m

Václav Havel Prague

Mon 10/20

8:50 am-3:05 pm

1 stop15h 15m

$528

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Tue 11/18

7:30 am-2:20 pm

2 stops21h 50m

Václav Havel Prague

Thu 12/4

10:25 am-10:58 pm

2 stops21h 33m

$534

SeattlePrague

SEA - PRG

SEAPRG

Seattle/Tacoma Intl

Sun 11/9

6:50 pm-10:05 am

1 stop30h 15m

Václav Havel Prague

Thu 11/20

9:30 pm-4:55 pm

1 stop28h 25m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 48 results
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Best time to book a flight from Washington to Czech Republic

Have a flexible travel schedule? Discover the best time to fly to Czech Republic from Washington 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 to the Czech Republic

What is the cheapest month to book a flight from State of Washington to Czech Republic?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Czech Republic (average of $651). Flying from State of Washington to Czech Republic in June is currently the most expensive (average of $1,119). 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 WA to CZ?

Find hourly flight availability from Washington to Czech Republic. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from State of Washington to Czech Republic, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington to Czech Republic. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Czech Republic?

    Departing from State of Washington to Czech Republic will take you 12h 20m. The distance from State of Washington to Czech Republic is about 5214 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Washington to Czech Republic that include hotel bookings?

    Yes. In addition to deals on Washington to Czech Republic flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Czech Republic?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Czech Republic.

  • Can I find deals for business class flights from Washington to Czech Republic?

    Yes. Cheapflights offers flight deals from Washington to Czech Republic 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 State of Washington to Czech Republic?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Czech Republic (average of $651). Flying from State of Washington to Czech Republic in June is currently the most expensive (average of $1,119). 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

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Alternative routes for Washington to Czech Republic

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington to Czech Republic

Discover the top 10 airlines that operate flights from Washington to Czech Republic. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$299Average$599FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$393Average$638FlexibilityNo cancel feeOn-time76%
SWISSCheapest$467Average$709FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$500Average$784FlexibilityNo cancel feeOn-time70%
CondorCheapest$528Average$729FlexibilityNo cancel feeOn-time76%
DeltaCheapest$557Average$793FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$563Average$910FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$586Average$806FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$594Average$818FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$603Average$706FlexibilityNo cancel feeOn-time77%

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