Delta Flights from Chicago (ORD) to Houston (IAH) from $89

Check your boarding pass to find out which Chicago, IL (ORD-O'Hare Intl.) terminal you'll be departing from on your way to Houston, TX (IAH-George Bush Intercontinental) with Delta Air Lines. If you can't spot the information on there, contact your airline.

Unfortunately, you can't fly direct between Chicago, IL (ORD-O'Hare Intl.) and Houston, TX (IAH-George Bush Intercontinental) with Delta Air Lines. Plan to make a stopover if you need to stick to this particular airline and route.

Weather and air traffic permitting, your Delta Air Lines flight from ORD to IAH should take approximately 4 hours and 23 minutes. You'll have ample time to eat a meal, get some sleep and go over your itinerary before you hit the runway.

Delta Air Lines currently operates around 6 flights daily from Chicago, IL (ORD-O'Hare Intl.) to Houston, TX (IAH-George Bush Intercontinental).

For more info about changing your flight to Houston, TX (IAH-George Bush Intercontinental), please visit our Customer Service Portal.

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.