$64 Cheap Spirit Airlines flights Houston (IAH) to Chicago (ORD)

You’ll find cheap return Spirit Airlines flights from $125 from IAH to ORD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $64 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the least expensive months to travel to Chicago with Spirit Airlines. You could also find great prices on one-way and round-trip tickets in February.

Start searching one to three months before your departure to find cheaper fares on Spirit Airlines flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Book a seat on one of Spirit Airlines’s 11 direct weekly flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). To view available options, enter your dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

Leave George Bush Intercontinental Airport (IAH) for O’Hare Intl. Airport (ORD) on a nonstop Spirit Airlines flight, and you’ll be in the air for about 2h 43m.

If flexibility is what you’re after, Thursday offers the most choice for Spirit Airlines flights from George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD). You can select from 2 different departures.

Setting off from IAH at 2:28PM UTC-6, the first Spirit Airlines flight to ORD lands at 5:11PM UTC-6. Traveling early means you’re less likely to experience cancellations.* Not a morning person? The last Spirit Airlines flight from IAH to ORD departs at 8:50PM UTC-6 and touches down at 11:34PM UTC-6.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Spirit Airlines flights from George Bush Intercontinental Airport (IAH) to Chicago come in to land at O’Hare Intl. Airport (ORD) and Midway Intl. Airport (MDW). The primary Chicago hub serviced by this airline is ORD. It’s always worth considering flights landing at nearby airports on Expedia as they may have cheaper fares.

Depart from IAH to ORD with Spirit Airlines and you can look forward to a range of perks including a rewarding loyalty program. When booking through Expedia as a Free Spirit and One Key™ member, you can also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the George Bush Intercontinental Airport (IAH) to O’Hare Intl. Airport (ORD) route, Spirit Airlines typically operates Airbus A320neo and Airbus A320 planes. Keep in mind that last-minute changes are possible for operational needs, so your flight could be on another aircraft.

Depending on your ticket type, a fee generally applies if you cancel or reschedule your booking more than 24 hours after it’s confirmed. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when looking for flights. For additional information on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”