Cheap flights from George Bush Intcntl (IAH) to Illinois (IL)

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How to find the cheapest flight from
George Bush Intcntl (IAH) to Illinois

All the information you need to plan the best IAH to ORD flight in 2021: compare George Bush Intcntl to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
What is the cheapest month to fly from Houston George Bush Intcntl Airport to Illinois?

Our data shows that August tends to be the cheapest month to fly to Illinois from Houston George Bush Intcntl Airport. Users have commonly found prices around $130 for the month, but tickets can be as low as $48. Due to multiple factors, prepare for potentially higher prices in December.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Illinois?

To save up to 15% on this flight, we recommend booking at least 61 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 $135 1-2 weeks out and tickets from $154 for flights departing within the next 72 hours.

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 flights from George Bush Intcntl to Illinois in November, December 2021

The best prices found for IAH to Illinois flights for November, December
11 Dec - 14 Dec
$79pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
4 Dec - 6 Dec
$81pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
4 Dec - 7 Dec
$82pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Houston George Bush Intcntl to Illinois 2022 flight deals

Cheap flights to Illinois from George Bush Intcntl found for next year
11 Dec - 14 Dec
$79pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
4 Dec - 6 Dec
$81pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
4 Dec - 7 Dec
$82pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Non-stop flights to Illinois from George Bush Intcntl

Save time with George Bush Intcntl to Illinois direct flight deals
10 Jan - 12 Jan
$59pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
22 Jan - 5 Feb
$63pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
13 Jan - 16 Jan
$71pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Last minute flights from George Bush Intcntl to Illinois

Late deals on round-trip flights to Illinois from George Bush Intcntl, departing today and this week
4 Dec - 6 Dec
$81pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
4 Dec - 7 Dec
$82pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
4 Dec - 7 Dec
$83pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

One-way flights to Illinois from Houston George Bush Intcntl

The cheapest one-way flights from George Bush Intcntl to Illinois
1:22 pm - 4:00 pm
United Airlines
Nonstop
2h 38m
IAH - ORD
United Airlines
$64
United
6:59 am - 1:19 am
Frontier
1 Stop
18h 20m
IAH - ORD
Frontier
$75
Kiwi.com
7:38 am - 7:11 am
Spirit Airlines
1 Stop
23h 33m
IAH - ORD
Spirit Airlines
$76
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">George Bush Intcntl</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From George Bush Intcntl to Illinois

Which airlines flying from Houston George Bush Intcntl to Illinois have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Houston George Bush Intcntl to Illinois that may be offering flexible cancellation policies are Spirit Airlines, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Houston George Bush Intcntl Airport to Illinois for under $100 on Cheapflights?

Yes, there are multiple flights from Houston George Bush Intcntl Airport to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $59, but on average you can expect to pay $81.

Are there nonstop flights from Houston George Bush Intcntl Airport to Illinois for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston George Bush Intcntl Airport to Illinois under $100. A good price for a nonstop flight from Houston George Bush Intcntl Airport to Illinois is less than $91.

Are there last-minute flights available from Houston George Bush Intcntl Airport to Illinois for under $100?

There are currently 20+ open flights from Houston George Bush Intcntl Airport to Illinois within the next 7 days for less than $100.

What days are nonstop flights available from Houston George Bush Intcntl Airport to Illinois?

You can find nonstop flights on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How many flights depart from Houston George Bush Intcntl Airport to Illinois on average per day?

39 flight departures from Houston George Bush Intcntl Airport to Illinois per day on average.
Early Morning (Midnight to 6am) - 26% of flight departures
Morning (6am - Noon) - 44% of flight departures
Afternoon (Noon - 6pm) - 8% of flight departures
Evening (6pm - Midnight) - 23% of flight departures

How long is the flight from Houston George Bush Intcntl Airport to Illinois?

A quick flight from Houston George Bush Intcntl Airport to Illinois can take about 2h 34m. Spirit Airlines provides one of the quickest options available for as low as $59. Houston George Bush Intcntl Airport and Illinois are separated by a distance of 930 mi. Most flights are nonstop.

What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Illinois one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $23. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Illinois for a low price.

What are the most popular routes from Houston George Bush Intcntl Airport to Illinois?

The most popular route from Houston George Bush Intcntl Airport to Illinois is Houston George Bush Intcntl - Chicago O'Hare Intl. You may also consider Houston George Bush Intcntl - Chicago Midway or Houston George Bush Intcntl - Lambert-St Louis.

What are the most reliable airlines from Houston George Bush Intcntl Airport to Illinois?

No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Illinois consider choosing SAS (89%), ANA (89%) or LOT (89%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Illinois?

Consider Major Airline, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Houston George Bush Intcntl Airport to Illinois.

What are the cheapest flights from Houston George Bush Intcntl Airport to Illinois?

The cheapest flight price from Houston George Bush Intcntl Airport to Illinois is $34. On average you can expect to pay $386. The most popular route, (Houston George Bush Intcntl - Chicago O'Hare Intl), can usually be booked for $59.

COVID Restrictions

View COVID Travel Restrictions for Illinois (IL)

Do I need a COVID test to fly to Illinois from George Bush Intcntl?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from Houston George Bush Intcntl need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from Houston George Bush Intcntl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from Houston George Bush Intcntl are not required to quarantine after entering Illinois.

Do I need a test to fly back to George Bush Intcntl from Illinois?

Returning to Houston George Bush Intcntl from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston George Bush Intcntl.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering Houston George Bush Intcntl.

Hide COVID Travel Restrictions for Illinois (IL)

Destination points for flights from George Bush Intcntl to Illinois

Select to see more specific information for flights from George Bush Intcntl to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from George Bush Intcntl to Illinois.
Flight duration from Houston George Bush Intcntl to Illinois
2h 40m

Airports servicing Houston

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Top 5 airlines flying from Houston George Bush Intcntl to Illinois

The chart below displays the airlines Cheapflights users traveling from George Bush Intcntl to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$48 $342 No cancel fee 71%
United Airlines
$48 $394 No cancel fee 69%
Spirit Airlines
$57 $167 No cancel fee 65%
Frontier
$83 $184 No cancel fee 62%
Delta
$87 $353 No cancel fee N/A
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