Compare live prices for ORD to IAH. Use the search panel
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ORD → IAH11 May 2026Live inventory
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Showing 25
of 132
live flights
Spirit Airlines
NK-1014
20:59
05/11/2026
ORD
Chicago Airport
2h 53m
Non-stop
23:52
05/11/2026
IAH
Houston Airport
₹6,902
per person
✕ Non-refundable3 fare optionsLCC
Frontier Airlines
F9-1483
21:37
05/11/2026
ORD
Chicago Airport
16h 7m
1 Stop
⏱ DEN · 10h 16mDEN Airport
13:44
05/12/2026
+1
IAH
Houston Airport
₹7,440
per person
✕ Non-refundable
Frontier Airlines
F9-1483
21:37
05/11/2026
ORD
Chicago Airport
27h 7m
1 Stop
⏱ DEN · 21h 22mDEN Airport
00:44
05/13/2026
+2
IAH
Houston Airport
₹7,440
per person
✕ Non-refundable
Spirit Airlines
NK-1018
09:20
05/11/2026
ORD
Chicago Airport
6h 56m
1 Stop
⏱ MIA · 0h 57mMIA Airport
16:16
05/11/2026
IAH
Houston Airport
₹8,842
per person
✕ Non-refundable2 fare optionsLCC
Frontier Airlines
F9-2792
17:30
05/11/2026
ORD
Chicago Airport
15h 30m
1 Stop
⏱ MCO · 9h 38mMCO Airport
09:00
05/12/2026
+1
IAH
Houston Airport
₹11,271
per person
✕ Non-refundable
Frontier Airlines
F9-2445
20:56
05/11/2026
ORD
Chicago Airport
18h 16m
1 Stop
⏱ LAX · 10h 10mLAX Airport
15:12
05/12/2026
+1
IAH
Houston Airport
₹11,271
per person
✕ Non-refundable
Frontier Airlines
F9-4064
07:30
05/11/2026
ORD
Chicago Airport
12h 25m
1 Stop
⏱ BWI · 6h 40mBWI Airport
19:55
05/11/2026
IAH
Houston Airport
₹11,271
per person
✕ Non-refundable
Frontier Airlines
F9-2792
17:30
05/11/2026
ORD
Chicago Airport
25h 19m
1 Stop
⏱ MCO · 19h 21mMCO Airport
18:49
05/12/2026
+1
IAH
Houston Airport
₹11,271
per person
✕ Non-refundable
Frontier Airlines
F9-2198
13:59
05/11/2026
ORD
Chicago Airport
8h 51m
1 Stop
⏱ ATL · 4h 6mATL Airport
22:50
05/11/2026
IAH
Houston Airport
₹11,271
per person
✕ Non-refundable
Frontier Airlines
F9-3135
08:30
05/11/2026
ORD
Chicago Airport
3h 20m
Non-stop
11:50
05/11/2026
IAH
Houston Airport
₹11,844
per person
✕ Non-refundable
American Airlines
AA-3079
20:58
05/11/2026
ORD
Chicago Airport
2h 50m
Non-stop
23:48
05/11/2026
IAH
Houston Airport
₹13,914
per person
✓ Refundable27 fare options
Spirit Airlines
NK-1987
10:49
05/11/2026
ORD
Chicago Airport
11h 27m
1 Stop
⏱ MCO · 6h 5mMCO Airport
22:16
05/11/2026
IAH
Houston Airport
₹14,216
per person
✕ Non-refundable2 fare optionsLCC
Delta Air Lines
DL-2358
17:19
05/11/2026
ORD
Chicago Airport
4h 57m
1 Stop
⏱ DTW · 0h 31mDTW Airport
22:16
05/11/2026
IAH
Houston Airport
₹14,436
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1516
08:10
05/11/2026
ORD
Chicago Airport
5h 4m
1 Stop
⏱ ATL · 0h 53mATL Airport
13:14
05/11/2026
IAH
Houston Airport
₹14,436
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1285
06:23
05/11/2026
MDW
Chicago Airport
6h 51m
1 Stop
⏱ ATL · 2h 34mATL Airport
13:14
05/11/2026
IAH
Houston Airport
₹14,436
per person
✕ Non-refundable2 fare options
Southwest Airlines
WN-3151
21:40
05/11/2026
MDW
Chicago Airport
2h 40m
Non-stop
00:20
05/12/2026
+1
HOU
Houston Airport
₹14,734
per person
✕ Non-refundable9 fare options
Delta Air Lines
DL-4688
13:22
05/11/2026
MDW
Chicago Airport
5h 5m
1 Stop
⏱ DTW · 0h 45mDTW Airport
18:27
05/11/2026
IAH
Houston Airport
₹14,751
per person
✕ Non-refundable
Delta Air Lines
DL-1533
15:47
05/11/2026
ORD
Chicago Airport
5h 46m
1 Stop
⏱ MSP · 1h 6mMSP Airport
21:33
05/11/2026
IAH
Houston Airport
₹14,751
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-4711
09:23
05/11/2026
MDW
Chicago Airport
8h 27m
1 Stop
⏱ MSP · 3h 49mMSP Airport
17:50
05/11/2026
IAH
Houston Airport
₹14,751
per person
✕ Non-refundable
American Airlines
AA-357
05:00
05/11/2026
ORD
Chicago Airport
4h 40m
1 Stop
⏱ DFW · 0h 47mDFW Airport
09:40
05/11/2026
IAH
Houston Airport
₹14,833
per person
✓ Refundable26 fare options
Delta Air Lines
DL-1247
07:07
05/11/2026
ORD
Chicago Airport
6h 7m
1 Stop
⏱ ATL · 1h 43mATL Airport
13:14
05/11/2026
IAH
Houston Airport
₹14,899
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-3877
11:09
05/11/2026
ORD
Chicago Airport
7h 18m
1 Stop
⏱ DTW · 2h 50mDTW Airport
18:27
05/11/2026
IAH
Houston Airport
₹14,899
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1264
05:30
05/11/2026
ORD
Chicago Airport
7h 44m
1 Stop
⏱ ATL · 3h 25mATL Airport
13:14
05/11/2026
IAH
Houston Airport
₹14,899
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1247
07:07
05/11/2026
ORD
Chicago Airport
8h 15m
1 Stop
⏱ ATL · 3h 49mATL Airport
15:22
05/11/2026
IAH
Houston Airport
₹14,899
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-1716
14:00
05/11/2026
ORD
Chicago Airport
8h 16m
1 Stop
⏱ DTW · 3h 49mDTW Airport
22:16
05/11/2026
IAH
Houston Airport
₹14,899
per person
✕ Non-refundable2 fare options
😕 No flights match your filters.
Chicago (ORD)
Houston (IAH)
📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.
Chicago to Houston — what to expect when booking
The ORD–IAH route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
Before you book
Compare nearby dates
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❓ Frequently asked questions — Chicago to Houston flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Chicago,USA (ORD) and Houston, TX,USA (IAH) is approximately shown in the route details above. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.