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Cheap flights from Seattle to Prague from C$ 517

SEA — PRG
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Prague

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Prague

Sun 18/101:30 p.m. -
1 stop20h 10m
Mon 2/119:35 p.m. -
1 stop22h 50m
Deal found 9/9C$ 840
Sun 11/104:00 p.m. -
1 stop32h 00m
Wed 21/1011:00 a.m. -
1 stop21h 04m
Deal found 9/9C$ 852
Mon 12/101:30 p.m. -
1 stop17h 35m
Mon 19/108:15 p.m. -
1 stop24h 20m
Deal found 10/9C$ 869
Wed 7/106:50 p.m. -
1 stop17h 30m
Wed 14/1012:30 p.m. -
2 stops38h 49m
Deal found 9/9C$ 870
Sun 25/101:37 p.m. -
2 stops21h 13m
Mon 9/117:35 p.m. -
2 stops35h 36m
Deal found 9/9C$ 872
Wed 4/117:30 a.m. -
2 stops26h 20m
Tue 17/117:35 p.m. -
2 stops33h 22m
Deal found 8/9C$ 873
Wed 7/106:40 p.m. -
1 stop15h 55m
Thu 15/1011:00 a.m. -
1 stop21h 04m
Deal found 10/9C$ 884
Wed 7/1010:31 a.m. -
2 stops23h 14m
Wed 14/1011:35 a.m. -
2 stops20h 02m
Deal found 9/9C$ 888
Sun 18/107:55 a.m. -
1 stop17h 55m
Wed 28/106:10 a.m. -
1 stop15h 50m
Deal found 11/9C$ 890
Wed 7/102:30 p.m. -
2 stops20h 05m
Wed 14/1011:00 a.m. -
1 stop21h 04m
Deal found 10/9C$ 891
Tue 20/1010:31 a.m. -
2 stops23h 14m
Tue 27/107:35 p.m. -
2 stops45h 58m
Deal found 11/9C$ 895

Find flight deals from Seattle to Prague

Round-trip from

C$ 840

One-way from

C$ 517

Popular in

December

Cheapest in

March

Average price

C$ 1,057
British Airways
  • British Airways
  • 18/10-2/11
  • 2 total stops
  • 43h 00m total
  • Seattle to Prague
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Air Canada
  • Air Canada
  • 23/12-31/12
  • 2 total stops
  • 16h 55m total
  • Seattle to Prague
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 149 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 79 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Prague that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Mon 19/10

1:30 p.m.-5:00 p.m.

1 stop18h 30m

Václav Havel Prague

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 597

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Tue 20/10

7:15 a.m.-9:00 a.m.

1 stop16h 45m

Václav Havel Prague

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 605
Quickest round-trip

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Thu 15/10

6:50 p.m.-4:00 p.m.

1 stop12h 10m

Václav Havel Prague

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 678

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Tue 24/11

4:05 p.m.-5:05 p.m.

1 stop16h 00m

Václav Havel Prague

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 703

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Sun 8/11

6:45 p.m.-8:40 p.m.

1 stop16h 55m

Václav Havel Prague

Wed 18/11

1:45 p.m.-4:50 p.m.

1 stop36h 05m

C$ 846

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Sun 11/10

4:00 p.m.-9:00 a.m.

1 stop32h 00m

Václav Havel Prague

Wed 21/10

11:00 a.m.-11:04 p.m.

1 stop21h 04m

C$ 852

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Sun 18/10

7:55 a.m.-10:50 a.m.

1 stop17h 55m

Václav Havel Prague

Wed 28/10

6:10 a.m.-2:00 p.m.

1 stop15h 50m

C$ 890

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Tue 26/1

11:25 a.m.-1:45 p.m.

2 stops17h 20m

Václav Havel Prague

Thu 4/2

2:30 p.m.-11:47 a.m.

1 stop30h 17m

C$ 919

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Sun 18/10

10:48 p.m.-4:00 p.m.

2 stops32h 12m

Václav Havel Prague

Mon 2/11

2:50 p.m.-6:26 p.m.

2 stops36h 36m

C$ 937

SeattlePrague

SEA Seattle/Tacoma Intl - PRG Václav Havel Prague

SEAPRG

Seattle/Tacoma Intl

Tue 27/10

8:05 p.m.-6:25 p.m.

1 stop38h 20m

Václav Havel Prague

Tue 10/11

9:30 a.m.-5:10 p.m.

1 stop16h 40m

C$ 1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Prague

How far ahead should I book a flight from Seattle to Prague?

The price you pay for your flight from Seattle to Prague may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Prague?

Currently, March is the cheapest month in which you can book a flight from Seattle to Prague (average of C$ 637). Flying from Seattle to Prague in December is currently the most expensive (average of C$ 1,635). 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 Seattle to Prague?

Airfare is below average for this route at the moment.

Seattle to Prague flights typically cost between C$ 898 and C$ 1,238 in October.
The cheapest round-trip price found within the last 5 days was C$ 840 on British Airways (18 Oct-2 Nov).

Related info for your journey

  • How long is the flight from Seattle to Prague?

    Departing from Seattle to Prague will take you 17h 55m. The distance between Seattle and Prague is about 8391 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to Prague that include hotel bookings?

    Yes. In addition to deals on Seattle to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Prague?

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

  • Can I find deals for business class flights from Seattle to Prague?

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Prague?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Prague (average of C$ 637). Flying from Seattle to Prague in December is currently the most expensive (average of C$ 1,635). 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

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