Cheap Flights Chicago to Houston from £58

Flight FAQs

• Which airlines offer the cheapest flights from Chicago to Houston?

  Based on Trip.com data, Frontier Airlines offers Cheapest nonstop one-way flights from £58 (for example, ORD–IAH on Fri, Oct 23). For a Cheapest nonstop return flight, Frontier Airlines offers fares from £75, departing on Tue, Oct 20 and returning on Fri, Oct 23.

• Which airlines offer direct flights from Chicago to Houston?

  At the moment, you can catch a direct flight from Chicago to Houston with the following airlines, including: Frontier Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Chicago to Houston?

  A flight from Chicago (CHI) to Houston (HOU) takes an average of 3 hours 34 minutes.

• When is the best time to book flights from Chicago to Houston?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Houston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Chicago to Houston each week?

  On average, 148 direct flights operate each week between Chicago and Houston. See below the schedules of the main airlines serving this route:
  American Airlines: S/M/T/W/T/F/S – AA2504 (departure at 08:20)

• How can I find the best deals on flights from Chicago to Houston?

  Here are some tips for finding the best flight deals from Chicago to Houston on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Fri, Oct 23, with one-way fares from just £58.
  · Compare airlines. Frontier Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to Houston.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Chicago to Houston to get the best price?

  The cheapest month to book a flight from Chicago to Houston is usually August, when demand is lower.

• Which upcoming date is the cheapest for flights from Chicago to Houston?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chicago to Houston on October 17, 2026 with Frontier Airlines, with prices starting at £75.

• Which airports should you choose for flights from Chicago to Houston?

  Flights to Houston can arrive at: William P. Hobby Airport (HOU) and George Bush Intercontinental Airport (IAH). The most common route connects O'Hare International Airport and George Bush Intercontinental Airport (ORD–IAH).

• What is the time difference between Chicago and Houston?

  The time difference between Houston and Chicago is 0m.

• How can I change or cancel my flight ticket from Chicago to Houston?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Chicago to Houston?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Houston is £163. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Chicago to Houston?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Chicago to Houston is £259. Fares vary by travel date, airline and availability.

• How do I book flights from Chicago to Houston on Trip.com?

  Enter Chicago and Houston, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Chicago to Houston route?

  Frontier Airlinesare the most popular budget airlines flying from Chicago to Houston. Check baggage, seat and payment fees before comparing the final price.