The cheapest times to fly from ROS to IAH are

  • February 26th to March 11th
  • May 14th to July 1st
  • July 30th to December 2nd (except the week of August 20th)

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 ROS to IAH is mid October. Prices can be as high as $2883 for Saturday flights during early January, or as low as $1140 for Tuesday flights around mid October.


When to Fly to Houston

Flying from Rosario (ROS) to Houston, TX (IAH) will usually cost between $1249 to $1972 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $1289. Due to high demand the most expensive time to fly is early January, with an average price of $2025. Planning your trip to low-cost times can easily save you $736 on economy flights and even more on first-class flights. Generally, any price below $1522 can be considered a good price for a round-trip ROS to IAH flight.

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

ROS to IAH Flight Prices

Compared to other flights, the ROS to IAH flight is more expensive than the average and costs more than the average flight leaving from Rosario. The average price per mile (for a direct flight) is $0.19, which is 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 out or take a return trip. Selecting flights on the least expensive days could save you up to $145 (9%) 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 $1470. Return trip prices are from the IAH to ROS 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 ROS 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 9 hour 48 minutes may not be realistic.


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

Hack #1: Lima (ROS > LIM > IAH)

  • Price for both tickets: $942
  • Average savings: $581 (38.14%)

See ROS to MIA flights

Hack #2: Miami, FL (ROS > MIA > IAH)

  • Price for both tickets: $1015
  • Average savings: $507 (33.31%)

See ROS to LIM flights

Hack #3: Orlando, FL (ROS > MCO > IAH)

  • Price for both tickets: $1076
  • Average savings: $446 (29.3%)

See ROS to MCO flights


Flight Questions Answered

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

Which airlines fly this route?

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

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

The distance between the two airports is roughly 4897 miles or 7881 kilometers.

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

The real-world flight time for a nonstop ROS to IAH flight is about 9 hour 48 minutes.

How many flights go between Rosario and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from ROS to IAH.


Airport Location Info


Departing Airport

Origination code ROS
Origination airport name Rosario Airport
City Rosario
Country Argentina
Latitude -32.9
Longitude -60.8

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.