The cheapest times to fly from RAI to IAH are

  • January 8th to May 27th (except the weeks of April 9th and May 14th)
  • November 5th to November 25th

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 RAI to IAH is late January. Prices can be as high as $4213 for Friday flights during early to mid December, or as low as $1607 for Wednesday flights around late January.


When to Fly to Houston

Flying from Praia (RAI) to Houston, TX (IAH) will usually cost between $1612 to $2862 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $1660. Due to high demand the most expensive time to fly is early to mid December, with an average price of $3040. Planning your trip to low-cost times can easily save you $1380 on economy flights and even more on first-class flights. Generally, any price below $2104 can be considered a good price for a round-trip RAI to IAH flight.

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

RAI to IAH Flight Prices

Compared to other flights, the RAI to IAH flight is more expensive than the average and costs slightly more than the average flight leaving from Praia. The average price per mile (for a direct flight) is $0.28, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to IAH, and Tuesday the cheapest day to fly back into RAI. Fridays 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 $451 (19%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1911. Return trip prices are from the IAH to RAI 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 RAI to IAH can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 19 minutes may not be realistic.


Flight Hacking RAI 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 RAI to IAH — but Champion Traveler does!

Hack #1: Boston, MA (RAI > BOS > IAH)

  • Price for both tickets: $1104
  • Average savings: $1000 (47.53%)

See RAI to AMS flights

Hack #2: Amsterdam (RAI > AMS > IAH)

  • Price for both tickets: $1215
  • Average savings: $890 (42.28%)

See RAI to BOS flights

Hack #3: Lisbon (RAI > LIS > IAH)

  • Price for both tickets: $1242
  • Average savings: $862 (40.97%)

See RAI to LIS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Canada, American, Austrian, British Airways, Brussels Airlines, Finnair, Iberia, Lufthansa, Royal Air Maroc, Tap Air Portugal, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4634 miles or 7458 kilometers.

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

The real-world flight time for a nonstop RAI to IAH flight is about 9 hour 19 minutes.

How many flights go between Praia and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 9 available flights from RAI to IAH.


Airport Location Info


Departing Airport

Origination code RAI
Origination airport name Praia International Airport
City Praia
Country Cape Verde
Latitude 14.9
Longitude -23.5

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.