The cheapest times to fly from SEA to PRG are

  • January 1st to April 1st
  • September 24th to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to PRG is late October. Prices can be as high as $1455 for Saturday flights during mid December, or as low as $609 for Tuesday flights around late October.


When to Fly to Prague

Flying from Seattle, WA (SEA) to Prague (PRG) will usually cost between $750 to $1117 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $760. Due to high demand the most expensive time to fly is mid December, with an average price of $1162. Planning your trip to low-cost times can easily save you $402 on economy flights and even more on first-class flights. Generally, any price below $900 can be considered a good price for a round-trip SEA to PRG flight.

See below for a graph of average weekly prices for the SEA to PRG route. All prices are for round-trip tickets in USD.

SEA to PRG Flight Prices

Compared to other flights, the SEA to PRG flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to PRG, and Wednesday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $103 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $856. Return trip prices are from the PRG to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to PRG can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 22 minutes may not be realistic.


Flight Hacking SEA to PRG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEA to PRG — but Champion Traveler does!

Hack #1: London (SEA > LHR > PRG)

  • Price for both tickets: $606
  • Average savings: $295 (32.72%)

See SEA to LHR flights

Hack #2: London (SEA > LGW > PRG)

  • Price for both tickets: $641
  • Average savings: $259 (28.78%)

See SEA to LGW flights

Hack #3: Dublin (SEA > DUB > PRG)

  • Price for both tickets: $710
  • Average savings: $191 (21.17%)

See SEA to DUB flights


Flight Questions Answered

Still have questions about flying from SEA to PRG? We’ve got answers.

Which airlines fly this route?

You can find 35 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Air New Zealand, Alaska, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, CSA, Delta, Emirates, Eurowings, Finnair, Frontier, Iberia, Icelandair, JetBlue, KLM, Korean Air, LOT, Lufthansa, Norwegian, Norwegian Air International, Norwegian Air UK, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, Wizz Air, and potentially more during busy seasons.

How far away is it from Ruzyne Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 5216 miles or 8394 kilometers.

How long does it take to fly from SEA to PRG?

The real-world flight time for a nonstop SEA to PRG flight is about 10 hour 22 minutes.

How many flights go between Seattle, WA and Prague?

It depends on the day of the week and the date, but a typical day might have around 83 available flights from SEA to PRG.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code PRG
Destination airport name Ruzyne Airport
City Prague
Country Czechia
Latitude 50.1
Longitude 14.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.