The cheapest times to fly from SDU to IAH are

  • January 22nd to April 29th (except the weeks of February 19th, April 9th, and April 16th)
  • July 30th to September 16th (except the week of August 20th)
  • October 8th to December 9th

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 SDU to IAH is early to mid March. Prices can be as high as $2872 for Saturday flights during early May, or as low as $951 for Monday flights around early to mid March.


When to Fly to Houston

Flying from Rio de Janeiro (SDU) to Houston, TX (IAH) will usually cost between $1100 to $1947 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid March with an average ticket price of $1108. Due to high demand the most expensive time to fly is early May, with an average price of $1984. Planning your trip to low-cost times can easily save you $877 on economy flights and even more on first-class flights. Generally, any price below $1365 can be considered a good price for a round-trip SDU to IAH flight.

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

SDU to IAH Flight Prices

Compared to other flights, the SDU to IAH flight is slightly more expensive than the average and costs about as much as the average flight leaving from Rio de Janeiro. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to IAH, and Tuesday the cheapest day to fly back into SDU. 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 $196 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1346. Return trip prices are from the IAH to SDU 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 SDU 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 2 minutes may not be realistic.


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

Hack #1: Mexico City (SDU > MEX > IAH)

  • Price for both tickets: $931
  • Average savings: $434 (31.79%)

See SDU to LIM flights

Hack #2: Lima (SDU > LIM > IAH)

  • Price for both tickets: $1019
  • Average savings: $347 (25.38%)

See SDU to MEX flights

Hack #3: Miami, FL (SDU > MIA > IAH)

  • Price for both tickets: $1023
  • Average savings: $342 (25.05%)

See SDU to MIA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Air Canada, American, Azul, COPA, Delta, LATAM, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 5033 miles or 8100 kilometers.

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

The real-world flight time for a nonstop SDU to IAH flight is about 10 hour 2 minutes.

How many flights go between Rio de Janeiro and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 51 available flights from SDU to IAH.


Airport Location Info


Departing Airport

Origination code SDU
Origination airport name Santos Dumont Airport
City Rio de Janeiro
Country Brazil
Latitude -22.9
Longitude -43.2

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.