Cheap flights from George Bush Intcntl (IAH) to Illinois from $29
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAH — ORD
May 11 — May 181
From?
To?
1 adult, Economy
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How far in advance should I book a flight from Houston George Bush Intcntl Airport to Illinois?
To save up to 117% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Houston George Bush Intcntl Airport to Illinois from $268 1-2 weeks out and tickets from $454 for flights departing within the next 72 hours.
What is the cheapest month to fly from Houston George Bush Intcntl Airport to Illinois?
Our data shows that April tends to be the cheapest month to fly to Illinois from Houston George Bush Intcntl Airport. Users have commonly found prices around $229 for the month, but tickets can be as low as $58. Due to multiple factors, prepare for potentially higher prices in July.
When is the cheapest time to fly from Houston George Bush Intcntl Airport to Illinois (IAH - IL)?
When flying from Houston George Bush Intcntl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap Frontier flights from George Bush Intcntl to Illinois
Explore cheap flight options specifically provided by Frontier for the route between George Bush Intcntl and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Take a peek at the cheapest Frontier flights we've detected traveling from Houston to Illinois. Make sure to double check the flight details before booking.
Sat 5/189:26 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 5/226:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/4$56
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/5$58
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/4$68
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/3$69
Sat 5/187:02 pmIAH - ORD
1 stop9h 58mFrontier
Wed 5/226:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/4$73
Sat 5/182:45 pmIAH - ORD
1 stop9h 33mFrontier
Wed 5/226:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/5$74
Tue 5/211:08 pmIAH - MDW
Nonstop2h 29mFrontier
Thu 5/237:45 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/5$76
Sat 6/19:28 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/5$78
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/59:53 pmORD - IAH
1 stop11h 19mFrontier
Deal found 5/5$79
Cheap Spirit Airlines flights from George Bush Intcntl to Illinois
Explore cheap flight options specifically provided by Spirit Airlines for the route between George Bush Intcntl and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Some of the lowest-priced Spirit Airlines flights we've found at this time heading from Houston to Illinois. Check back soon if you're not seeing flights that suit your needs.
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$63
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/217:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/4$64
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/219:25 pmORD - IAH
1 stop11h 43mSpirit Airlines
Deal found 5/4$66
Tue 5/288:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$70
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Wed 5/229:25 pmORD - IAH
1 stop10h 00mSpirit Airlines
Deal found 5/4$71
Sat 6/19:58 amIAH - ORD
1 stop10h 37mSpirit Airlines
Wed 6/57:33 amORD - IAH
Nonstop2h 49mSpirit Airlines
Deal found 5/4$76
Wed 5/228:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 5/286:40 pmORD - IAH
1 stop15h 52mSpirit Airlines
Deal found 5/5$77
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Thu 5/302:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$80
Wed 5/158:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Sat 5/1810:55 amORD - IAH
Nonstop2h 40mSpirit Airlines
Deal found 5/4$81
Cheap George Bush Intcntl to Illinois flights in May & June 2024
Find cheap flight options from George Bush Intcntl to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 6, 2024.
Scroll through some of the best deals on flights from Houston to Illinois in 2024. Check back regularly for other flight deals.
Sat 5/189:26 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 5/226:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/5$56
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/5$58
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$63
Wed 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/287:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$64
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mMultiple Airlines
Wed 5/226:25 amORD - IAH
Nonstop2h 45mMultiple Airlines
Deal found 5/5$65
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/49:25 pmORD - IAH
1 stop11h 37mSpirit Airlines
Deal found 5/5$66
Tue 6/48:55 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Wed 6/52:57 pmORD - IAH
Nonstop2h 48mSpirit Airlines
Deal found 5/5$68
Tue 5/288:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$70
Tue 5/288:51 pmIAH - ORD
Nonstop2h 38mMultiple Airlines
Wed 6/56:15 amORD - IAH
Nonstop2h 44mMultiple Airlines
Deal found 5/5$72
George Bush Intcntl to Illinois 2024 flight deals
Discover exclusive flight deals for travel between George Bush Intcntl and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Scroll through some of the best deals on flights from Houston to Illinois in 2024. Check back regularly for other flight deals.
Sat 5/189:26 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 5/226:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/5$56
Wed 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Wed 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/5$58
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$63
Wed 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/287:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$64
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mMultiple Airlines
Wed 5/226:25 amORD - IAH
Nonstop2h 45mMultiple Airlines
Deal found 5/5$65
Wed 5/298:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/49:25 pmORD - IAH
1 stop11h 37mSpirit Airlines
Deal found 5/5$66
Tue 6/48:55 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Wed 6/52:57 pmORD - IAH
Nonstop2h 48mSpirit Airlines
Deal found 5/5$68
Tue 5/288:51 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
Tue 6/42:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$70
Tue 5/288:51 pmIAH - ORD
Nonstop2h 38mMultiple Airlines
Wed 6/56:15 amORD - IAH
Nonstop2h 44mMultiple Airlines
Deal found 5/5$72
Non-stop flights to Illinois from George Bush Intcntl
Discover non-stop flight options from George Bush Intcntl to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
For a quicker trip, book one of these direct flights from Houston to Illinois. Users can also choose from other Houston to Illinois flights by using the search form above.
Tue 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
Tue 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/5$73
Tue 5/211:08 pmIAH - MDW
Nonstop2h 29mFrontier
Thu 5/237:45 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/5$76
Sat 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
Tue 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/5$78
Thu 5/3011:17 amIAH - MDW
Nonstop2h 29mFrontier
Tue 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/5$79
Sun 5/2611:17 amIAH - MDW
Nonstop2h 29mFrontier
Tue 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/5$81
Sun 5/2611:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/287:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$82
Wed 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
Sun 5/2612:34 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$83
Tue 8/2011:22 amIAH - MDW
Nonstop2h 28mFrontier
Thu 8/227:48 amMDW - IAH
Nonstop2h 44mFrontier
Deal found 5/5$83
Wed 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
Sun 5/2612:34 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/5$84
George Bush Intcntl to Illinois flights leaving soon
Find last-minute flight options from George Bush Intcntl to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Have a look at some of the last-minute flights available departing from Houston to Illinois. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 5/142:10 pmIAH - ORD
1 stop10h 42mFrontier
Sat 5/186:00 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/5$83
Sat 5/119:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/149:25 pmORD - IAH
1 stop11h 43mSpirit Airlines
Deal found 5/4$85
Tue 5/148:02 amIAH - MDW
1 stop5h 51mFrontier
Tue 5/145:16 pmMDW - IAH
Nonstop2h 48mFrontier
Deal found 5/5$87
Tue 5/147:55 amIAH - ORD
1 stop14h 01mSpirit Airlines
Sat 5/183:35 pmORD - IAH
1 stop7h 31mSpirit Airlines
Deal found 5/5$88
Tue 5/148:02 amIAH - MDW
1 stop5h 51mFrontier
Tue 5/145:16 pmMDW - IAH
Nonstop2h 48mFrontier
Deal found 5/5$92
Tue 5/148:02 amIAH - ORD
1 stop9h 25mMultiple Airlines
Tue 5/149:25 pmORD - IAH
1 stop11h 43mMultiple Airlines
Deal found 5/5$96
Sat 5/118:29 pmIAH - MDW
Nonstop2h 27mFrontier
Tue 5/145:16 pmMDW - IAH
Nonstop2h 48mFrontier
Deal found 5/4$98
Sat 5/119:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Tue 5/147:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/4$100
Wed 5/155:15 pmIAH - ORD
1 stop7h 37mFrontier
Sat 5/184:00 pmORD - IAH
1 stop4h 36mFrontier
Deal found 5/5$101
One-way flights to Illinois from George Bush Intcntl
Search for one-way flight options from George Bush Intcntl to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
If you're seeking multiple options on one-way flights from Houston to Illinois, be sure to check out these deals, which are updated often. Users needing a return flight from Houston to Illinois should utilize the search form above.
Wed 6/59:19 pmIAH - ORD
Nonstop2h 40mFrontier
Deal found 5/4$29
Sat 5/189:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
Deal found 5/4$32
Wed 6/510:02 amIAH - ORD
1 stop10h 45mSpirit Airlines
Deal found 5/4$34
Sat 5/1810:52 amIAH - MDW
Nonstop2h 29mFrontier
Deal found 5/5$34
Tue 5/142:00 pmIAH - ORD
1 stop6h 35mSpirit Airlines
Deal found 5/3$35
Tue 5/149:05 amIAH - ORD
1 stop12h 51mSpirit Airlines
Deal found 5/4$39
Wed 7/109:19 pmIAH - ORD
Nonstop2h 39mFrontier
Deal found 5/4$42
Wed 8/79:19 pmIAH - ORD
Nonstop2h 39mFrontier
Deal found 5/4$44
Tue 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
Deal found 5/5$44
Find flights from George Bush Intcntl to Illinois within your budget
Customize your flight search to find flights from George Bush Intcntl to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$56 - $72
Route
Depart
Return
Price
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 5/18
Nonstop2h 40m
Chicago O'Hare Intl
Wed 5/22
Nonstop2h 45m
$56
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 5/29
Nonstop2h 40m
Chicago O'Hare Intl
Wed 6/5
Nonstop2h 44m
$58
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 5/29
Nonstop2h 38m
Chicago O'Hare Intl
Tue 6/4
Nonstop2h 47m
$63
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 5/18
Nonstop2h 36m
Chicago O'Hare Intl
Tue 5/21
Nonstop2h 47m
$64
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 5/18
Nonstop2h 36m
Chicago O'Hare Intl
Tue 5/21
1 stop11h 43m
$66
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 5/29
Nonstop2h 40m
Chicago O'Hare Intl
Wed 6/5
Nonstop2h 44m
$68
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 5/29
Nonstop2h 40m
Chicago O'Hare Intl
Wed 6/5
Nonstop2h 44m
$69
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 5/28
Nonstop2h 38m
Chicago O'Hare Intl
Tue 6/4
Nonstop2h 47m
$70
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 5/28
Nonstop2h 38m
Chicago O'Hare Intl
Wed 6/5
Nonstop2h 44m
$72
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 6, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and American Airlines from Houston to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,134 reviews
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,826 reviews
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
11,118 reviews
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
14,713 reviews
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
8,721 reviews
9,134 reviews
Overall
8.1
Boarding
8.2
Entertainment
7.3
Comfort
7.9
Food
7.3
Crew
8.6
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for George Bush Intcntl to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from George Bush Intcntl to Illinois
Discover the top 5 airlines that operate flights from George Bush Intcntl to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 6, 2024.
Search flights from George Bush Intcntl to Illinois by cabin class
Find flights from George Bush Intcntl to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from George Bush Intcntl to Illinois
Find hourly flight availability from George Bush Intcntl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2024.
| 4%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 37%of flight departures | Morning6 am to noon |
| 49%of flight departures | AfternoonNoon to 6 pm |
| 10%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from George Bush Intcntl to Illinois?
Deals for George Bush Intcntl to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Illinois?
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Can Cheapflights find flights from George Bush Intcntl to Illinois with no change fees?
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