To save up to 123% 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 $234 1-2 weeks out and tickets from $415 for flights departing within the next 72 hours.
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 $225 for the month, but tickets can be as low as $58. Due to multiple factors, prepare for potentially higher prices in March.
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.
Fly from
Fly to
Budget
$48 - $67
Route
Depart
Return
Price
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/7
Nonstop2h 39m
Chicago O'Hare Intl
Wed 8/14
Nonstop2h 46m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 8/24
Nonstop2h 45m
Chicago O'Hare Intl
Tue 8/27
Nonstop2h 47m
Houston George Bush IntcntlChicago Midway
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Tue 9/10
Nonstop2h 28m
Chicago Midway
Sun 9/15
Nonstop2h 44m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/21
Nonstop2h 39m
Chicago O'Hare Intl
Mon 8/26
Nonstop2h 46m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 7/10
Nonstop2h 46m
Chicago O'Hare Intl
Wed 7/17
Nonstop2h 48m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 7/16
Nonstop2h 50m
Chicago O'Hare Intl
Wed 7/24
Nonstop2h 45m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 7/10
Nonstop2h 46m
Chicago O'Hare Intl
Wed 7/17
Nonstop2h 45m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 7/10
Nonstop2h 46m
Chicago O'Hare Intl
Wed 7/17
Nonstop2h 42m
Houston George Bush IntcntlChicago O'Hare Intl
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 6/26
Nonstop2h 38m
Chicago O'Hare Intl
Tue 7/2
Nonstop2h 49m
No data available for this route at this time. Please check back soon.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Food
Overall
Boarding
Comfort
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$29 | Average$137 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$64 | Average$148 | FlexibilityNo cancel fee | On-time65% |
United Airlines | Cheapest$109 | Average$390 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$158 | Average$475 | FlexibilityNo cancel fee | On-time71% |
Delta | Cheapest$166 | Average$365 | FlexibilityNo cancel fee | On-timeN/A |
14%of flight departures | Early morningMidnight to 6 am |
---|---|
46%of flight departures | Morning6 am to noon |
25%of flight departures | AfternoonNoon to 6 pm |
15%of flight departures | Evening6 pm to midnight |