$75+ Cheap flights from Houston to O'Hare Intl (ORD)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Jul 7 — Jul 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to O'Hare IntlExplore the most affordable flight options available from Houston to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from Houston to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Thu 8/275:29 pm
ORD
- IAH
Nonstop3h 28m
Frontier
Deal found 6/3![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:08 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 7/147:05 am
ORD
- IAH
1 stop24h 15m
Frontier
Deal found 6/3![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 8/85:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:50 am
IAH
- ORD
1 stop11h 03m
Frontier
Thu 7/305:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 8/85:30 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/4![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Wed 9/92:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 6/5![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Thu 9/35:29 pm
ORD
- IAH
Nonstop3h 28m
Frontier
Deal found 6/2![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:35 pm
IAH
- ORD
1 stop6h 53m
Frontier
Tue 10/202:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 6/3![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Wed 9/162:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 6/5![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Mon 6/295:29 pm
ORD
- IAH
Nonstop3h 23m
Frontier
Deal found 6/2![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Mon 7/275:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:53 am
IAH
- ORD
1 stop9h 00m
Frontier
Sat 7/255:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/2![Frontier logo]()
$140
Best flights from Houston to O'Hare IntlDiscover carefully curated flight deals from Houston to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Houston to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:15 pm
IAH
- ORD
1 stop5h 12m
Delta
Thu 8/1311:22 am
ORD
- IAH
1 stop7h 10m
Delta
Deal found 6/2![Delta logo]()
$247
This KAYAK deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:40 pm
HOU
- ORD
1 stop5h 59m
American Airlines
Thu 6/185:59 am
ORD
- HOU
1 stop6h 21m
American Airlines
Deal found 6/2![American Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:34 am
IAH
- ORD
2 stops7h 39m
Delta
Tue 8/1812:29 pm
ORD
- IAH
2 stops11h 23m
Delta
Deal found 6/5![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:55 pm
HOU
- ORD
1 stop7h 38m
Delta
Thu 7/305:30 am
ORD
- HOU
1 stop6h 40m
Delta
Deal found 6/3![Delta logo]()
$264
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:50 am
IAH
- ORD
1 stop6h 49m
Delta
Mon 9/142:00 pm
ORD
- IAH
2 stops9h 49m
Delta
Deal found 6/3![Delta logo]()
$270
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:34 am
IAH
- ORD
2 stops7h 39m
Delta
Fri 8/1411:23 am
ORD
- IAH
1 stop8h 06m
Delta
Deal found 6/4![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:15 pm
IAH
- ORD
2 stops8h 47m
Delta
Sun 8/302:12 pm
ORD
- IAH
1 stop8h 07m
Delta
Deal found 6/4![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:44 am
IAH
- ORD
2 stops9h 38m
Delta
Mon 9/216:40 am
ORD
- IAH
1 stop6h 52m
Delta
Deal found 6/3![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:53 am
IAH
- ORD
2 stops9h 34m
Delta
Mon 8/318:48 am
ORD
- IAH
1 stop5h 32m
Delta
Deal found 6/5![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:17 pm
HOU
- ORD
1 stop6h 36m
Delta
Tue 7/286:35 am
ORD
- HOU
1 stop5h 35m
Delta
Deal found 6/2![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:38 pm
IAH
- ORD
1 stop6h 17m
Delta
Mon 9/216:15 am
ORD
- IAH
2 stops8h 10m
Delta
Deal found 6/6![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:50 am
IAH
- ORD
2 stops9h 44m
Delta
Tue 10/1312:15 pm
ORD
- IAH
2 stops8h 55m
Delta
Deal found 6/6![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:40 pm
IAH
- ORD
1 stop6h 05m
Delta
Wed 9/1611:17 am
ORD
- IAH
2 stops10h 13m
Delta
Deal found 6/6![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 am
IAH
- ORD
2 stops9h 59m
Delta
Sat 7/111:39 pm
ORD
- IAH
1 stop5h 02m
Delta
Deal found 6/4![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:16 am
HOU
- ORD
1 stop6h 40m
Delta
Tue 6/166:35 am
ORD
- HOU
1 stop5h 37m
Delta
Deal found 6/6![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:50 am
HOU
- ORD
1 stop7h 59m
Delta
Tue 8/1111:22 am
ORD
- HOU
2 stops10h 43m
Delta
Deal found 6/6![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:17 pm
HOU
- ORD
1 stop6h 36m
Delta
Tue 7/217:05 am
ORD
- HOU
2 stops9h 17m
Delta
Deal found 6/4![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:13 pm
HOU
- ORD
1 stop5h 36m
Delta
Fri 8/1411:22 am
ORD
- HOU
2 stops10h 43m
Delta
Deal found 6/2![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:50 am
HOU
- ORD
2 stops7h 39m
Delta
Sun 8/95:30 am
ORD
- HOU
1 stop6h 46m
Delta
Deal found 6/6![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:09 am
HOU
- ORD
1 stop6h 55m
Delta
Fri 6/125:30 am
ORD
- HOU
1 stop6h 42m
Delta
Deal found 6/3![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:50 am
HOU
- ORD
2 stops9h 37m
Delta
Sun 8/306:40 am
ORD
- HOU
1 stop5h 36m
Delta
Deal found 6/4![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:16 am
HOU
- ORD
1 stop7h 01m
Delta
Sat 7/118:27 am
ORD
- HOU
2 stops7h 55m
Delta
Deal found 6/6![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:40 am
HOU
- ORD
2 stops11h 12m
Delta
Sat 8/13:35 pm
ORD
- HOU
1 stop6h 16m
Delta
Deal found 6/3![Delta logo]()
$534
Last-minute flights from Houston to O'Hare IntlDiscover last-minute flight deals from Houston to O'Hare Intl. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to O'Hare Intl. Data last updated June 7, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Mon 6/295:29 pm
ORD
- IAH
Nonstop3h 23m
Frontier
Deal found 6/2![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Wed 7/15:29 pm
ORD
- IAH
Nonstop3h 23m
Frontier
Deal found 6/2![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:08 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 7/147:05 am
ORD
- IAH
1 stop24h 15m
Frontier
Deal found 6/3![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:53 am
IAH
- ORD
1 stop9h 00m
Frontier
Sat 7/255:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/2![Frontier logo]()
$140
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Wed 8/125:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/2![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 7/255:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/6![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Mon 7/275:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 8/115:30 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/4![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:50 am
IAH
- ORD
1 stop11h 03m
Frontier
Thu 7/305:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Wed 8/51:50 pm
ORD
- IAH
1 stop8h 49m
Frontier
Deal found 6/4![Frontier logo]()
$145
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 8/85:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/3![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/319:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 8/85:30 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 6/4![Frontier logo]()
$132
One-way flights from Houston to O'Hare IntlSearch for one-way flight options from Houston to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Houston to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Frontier deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 6/2![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:53 am
IAH
- ORD
1 stop9h 00m
Frontier
Deal found 6/3![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Deal found 6/5![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Deal found 6/5![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:43 pm
IAH
- ORD
1 stop32h 54m
Frontier
Deal found 6/3![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 6/6![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:30 am
IAH
- ORD
1 stop25h 33m
Frontier
Deal found 6/2![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 6/4![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:02 pm
IAH
- ORD
1 stop23h 53m
Frontier
Deal found 6/3![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 6/3![Frontier logo]()
$94
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 6/7![Frontier logo]()
$95
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:20 pm
HOU
- ORD
1 stop6h 42m
Delta
Deal found 6/3![Delta logo]()
$115
Find flight deals from Houston to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2026.
Round-trip from | $128 (Frontier) |
|---|---|
One-way from | $75 (Frontier) |
Popular in | June |
Cheapest in | February |
Average price | $313 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to O'Hare Intl 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 2,558,603 searches. Data last updated June 7, 2026.
Use the filters below to find and compare flights from Houston to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 8/11
3:15 pm-8:27 pm
1 stop5h 12m
Chicago O'Hare Intl
Thu 8/13
11:22 am-6:32 pm
1 stop7h 10m
$247
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/12
5:34 am-1:13 pm
2 stops7h 39m
Chicago O'Hare Intl
Tue 8/18
12:29 pm-11:52 pm
2 stops11h 23m
$249
HoustonChicago
HOU - ORD
HOUORD
Houston Hobby
Tue 7/28
12:55 pm-8:33 pm
1 stop7h 38m
Chicago O'Hare Intl
Thu 7/30
5:30 am-12:10 pm
1 stop6h 40m
$264
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 9/10
11:50 am-6:39 pm
1 stop6h 49m
Chicago O'Hare Intl
Mon 9/14
2:00 pm-11:49 pm
2 stops9h 49m
$270
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/12
5:34 am-1:13 pm
2 stops7h 39m
Chicago O'Hare Intl
Fri 8/14
11:23 am-7:29 pm
1 stop8h 06m
$279
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/26
3:15 pm-12:02 am
2 stops8h 47m
Chicago O'Hare Intl
Sun 8/30
2:12 pm-10:19 pm
1 stop8h 07m
$288
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 9/18
10:44 am-8:22 pm
2 stops9h 38m
Chicago O'Hare Intl
Mon 9/21
6:40 am-1:32 pm
1 stop6h 52m
$297
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Fri 8/28
10:53 am-8:27 pm
2 stops9h 34m
Chicago O'Hare Intl
Mon 8/31
8:48 am-2:20 pm
1 stop5h 32m
$307
Quickest round-trip
HoustonChicago
HOU - ORD
HOUORD
Houston Hobby
Mon 7/20
5:17 pm-11:53 pm
1 stop6h 36m
Chicago O'Hare Intl
Tue 7/28
6:35 am-12:10 pm
1 stop5h 35m
$319
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 9/19
2:38 pm-8:55 pm
1 stop6h 17m
Chicago O'Hare Intl
Mon 9/21
6:15 am-2:25 pm
2 stops8h 10m
$324
Showing 1-10 of 46 resultsSorted by cheapest first
Best time to book a flight from Houston to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Houston with our price prediction graph.
HO1-ORD
IAH-ORD
HOU-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to Chicago O'Hare Intl Airport
HO1-ORD
IAH-ORD
HOU-ORD
What is the cheapest month to book a flight from Houston to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $29). Flying from Houston to Chicago O'Hare Intl Airport in April is currently the most expensive (average of $599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HOU to ORD?
Find hourly flight availability from Houston to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 7, 2026.
When flying from Houston to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 71% versus a flight at noon.
How much does it cost to fly round-trip from Houston to Chicago O'Hare Intl Airport?
How often are flights from Houston to Chicago delayed?
About 12% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 163 minutes.
What is the most punctual flight time for Houston to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.
How far ahead should I book a flight from Houston to Chicago O'Hare Intl Airport?
The best time to book flights from Houston to Chicago O'Hare Intl Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Houston to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Houston to O'Hare Intl. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their Houston to Chicago O'Hare Intl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Houston to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated June 7, 2026.
Read through reviews of airlines operating flights from Houston to Chicago O'Hare Intl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.6
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from Houston to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Hoffman Estates
Downers Grove
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Popular flights
Alternative routes for Houston to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to O'Hare Intl by cabin class
Find flights from Houston to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Houston and O'Hare Intl flights
Browse other Houston and O'Hare Intl flight options. Last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Houston to O'Hare Intl
Discover the top 3 airlines that operate flights from Houston to O'Hare Intl. 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 2,558,603 searches. Data last updated June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$373 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$403 | FlexibilityNo cancel fee | On-time71% |