Cheap flights from Houston to Buenos Aires from $290

The cheapest month to fly to Buenos Aires from Houston is in September. Flight prices, which tend to average around $1,139, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from Houston during March instead. Flights to Buenos Aires in March, while not as cheap as those in September, still average around $1,281.

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from Houston to Buenos Aires during this time can be as low as $1,433. Try not to purchase tickets in the afternoon because they tend to be around $1,530. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Houston George Bush Intcntl to Buenos Aires Ministro Pistarini for the best Houston - Buenos Aires flight prices

There are 3 cabin classes available to choose from on Houston to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of August 2026, there are 1 flights per day flying from Houston to Buenos Aires. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

7 flights are operational weekly from Houston to Buenos Aires as of August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.