Cheap Flights Houston – Chicago from £27

Flight FAQs

• Which airlines offer the cheapest flights from Houston (HOU) to Chicago (CHI)?

  Based on Trip.com data, Spirit Airlines offers one-way fares as low as £27 on Cheapest nonstop routes (e.g. IAH to ORD on Tue, Mar 3), while Frontier Airlines offers Cheapest nonstop round-trips from £43 departing on Sun, Mar 15 and returning on Tue, Mar 17.

• Which airlines offer direct flights from Houston to Chicago?

  At the moment, you can catch a direct flight from Houston to Chicago with the following airlines, including: Frontier Airlines Spirit 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 the flight from Houston (HOU) to Chicago (CHI)?

  It takes about 2 hours 48 minutes to fly from Houston (HOU) to Chicago (CHI).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Chicago 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 per week from Houston to Chicago?

  Based on Trip.com data in the past 4 weeks, there is 84 flight per week flying from Houston to Chicago. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1383 (09:57)

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

  To find best deals on flights from Houston to Chicago, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 3, with one-way flights priced at just £27.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Spirit Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Chicago travel is around July.
  · Get exclusive promo codes for Trip.com app users.

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

  The cheapest months to fly from Houston to Chicago is October, when demand for travel is lower.

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

  After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Houston to Chicago on February 26, 2026 with Frontier Airlines, with prices starting at £23.

• Which airports can I fly through when travelling to Chicago from Houston?

  You can land at any one of the following hubs in Chicago, with George Bush Intercontinental Airport to O'Hare International Airport (IAH-ORD) is by far the most common option on this route: Midway International Airport (MDW) O'Hare International Airport (ORD) Chicago Rockford International Airport (RFD).

• What is the time difference between Houston and Chicago?

  The time difference between Chicago and Houston is 0h.

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

  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.