The cheapest times to fly from PRG to IAH are

  • October 8th to December 9th (except the week of November 26th)
  • December 24th to May 13th (except the weeks of January 1st and April 30th)

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 PRG to IAH is early to mid May. Prices can be as high as $1324 for Saturday flights during early to mid July, or as low as $598 for Tuesday flights around early to mid May.


When to Fly to Houston

Flying from Prague (PRG) to Houston, TX (IAH) will usually cost between $669 to $1128 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $677. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1246. Planning your trip to low-cost times can easily save you $569 on economy flights and even more on first-class flights. Generally, any price below $726 can be considered a good price for a round-trip PRG to IAH flight.

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

PRG to IAH Flight Prices

Compared to other flights, the PRG to IAH flight is cheaper than the average and costs slightly more than the average flight leaving from Prague. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Houston, and Fridays are the most expensive days to return to Prague. 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 $772. Return trip prices are from the IAH to PRG 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 PRG to IAH 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 46 minutes may not be realistic.


Flight Hacking PRG to IAH

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 PRG to IAH — but Champion Traveler does!

Hack #1: Copenhagen (PRG > CPH > IAH)

  • Price for both tickets: $622
  • Average savings: $105 (14.39%)

See PRG to DUB flights

Hack #2: Dublin (PRG > DUB > IAH)

  • Price for both tickets: $644
  • Average savings: $83 (11.36%)

See PRG to CPH flights

Hack #3: Billund (PRG > BLL > IAH)

  • Price for both tickets: $664
  • Average savings: $63 (8.61%)

See PRG to BLL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Alaska, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, CSA, Delta, Finnair, Iberia, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Ruzyne Airport?

The distance between the two airports is roughly 5432 miles or 8742 kilometers.

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

The real-world flight time for a nonstop PRG to IAH flight is about 10 hour 46 minutes.

How many flights go between Prague and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 57 available flights from PRG to IAH.


Airport Location Info


Departing Airport

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

Return Airport

Destination code IAH
Destination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3


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.