$145+ Cheap flights from Hamilton, ON (YHM) 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from Hamilton 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
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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 Hamilton to O'Hare Intl
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Cheapest flights from Hamilton to O'Hare IntlExplore the most affordable flight options available from Hamilton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.
Explore the most affordable flight options available from Hamilton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/88:15 am
YHM
- ORD
2 stops24h 48m
Multiple Airlines
Sun 6/147:52 am
ORD
- YHM
1 stop31h 03m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$503
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
YHM
- ORD
2 stops34h 40m
Multiple Airlines
Mon 9/75:30 pm
ORD
- YHM
3 stops22h 55m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$656
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:15 am
YHM
- ORD
3 stops35h 25m
Multiple Airlines
Thu 9/245:30 pm
ORD
- YHM
3 stops28h 45m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$694
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
YHM
- ORD
2 stops34h 40m
Multiple Airlines
Mon 9/75:30 pm
ORD
- YHM
3 stops22h 55m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/297:00 am
YHM
- ORD
2 stops34h 40m
Multiple Airlines
Sun 5/315:30 pm
ORD
- YHM
1 stop28h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Thu 6/118:30 pm
YHM
- ORD
2 stops36h 33m
Multiple Airlines
Mon 6/155:30 pm
ORD
- YHM
1 stop28h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$740
Best flights from Hamilton to O'Hare IntlDiscover carefully curated flight deals from Hamilton to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from Hamilton to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:50 am
YHM
- ORD
2 stops26h 45m
Multiple Airlines
Sun 7/58:52 am
ORD
- YHM
3 stops23h 51m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$895
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 pm
YHM
- ORD
2 stops23h 55m
Multiple Airlines
Sun 5/315:30 pm
ORD
- YHM
2 stops28h 04m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$898
This Mytrip deal was found by Cheapflights users on 5/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:45 pm
YHM
- ORD
2 stops23h 55m
Multiple Airlines
Mon 6/85:30 pm
ORD
- YHM
2 stops28h 04m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$928
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:35 pm
YHM
- ORD
3 stops16h 41m
Multiple Airlines
Thu 7/28:35 am
ORD
- YHM
2 stops10h 04m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$969
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:50 am
YHM
- ORD
2 stops26h 54m
Multiple Airlines
Sun 8/95:30 pm
ORD
- YHM
3 stops25h 55m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,010
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:50 am
YHM
- ORD
1 stop10h 53m
Multiple Airlines
Tue 6/98:45 am
ORD
- YHM
2 stops9h 14m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,012
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
YHM
- ORD
2 stops34h 40m
Multiple Airlines
Sun 6/75:30 pm
ORD
- YHM
2 stops27h 39m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,032
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:10 am
YHM
- ORD
2 stops32h 30m
Multiple Airlines
Thu 6/115:30 pm
ORD
- YHM
2 stops25h 05m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,046
This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:15 am
YHM
- ORD
2 stops10h 15m
Multiple Airlines
Sun 7/55:30 pm
ORD
- YHM
3 stops25h 55m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,046
Last-minute flights from Hamilton to O'Hare IntlDiscover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated May 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/297:00 am
YHM
- ORD
2 stops34h 40m
Multiple Airlines
Sun 5/315:30 pm
ORD
- YHM
1 stop28h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/88:15 am
YHM
- ORD
2 stops24h 48m
Multiple Airlines
Sun 6/147:52 am
ORD
- YHM
1 stop31h 03m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Thu 6/118:30 pm
YHM
- ORD
2 stops36h 33m
Multiple Airlines
Mon 6/155:30 pm
ORD
- YHM
1 stop28h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$740
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Thu 6/186:10 pm
YHM
- ORD
1 stop23h 30m
Multiple Airlines
Sun 6/215:30 pm
ORD
- YHM
2 stops20h 38m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$788
This Mytrip deal was found by Cheapflights users on 5/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:35 pm
YHM
- ORD
1 stop19h 06m
Multiple Airlines
Mon 6/295:30 pm
ORD
- YHM
3 stops23h 00m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$843
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/236:55 pm
YHM
- ORD
1 stop22h 45m
Multiple Airlines
Tue 6/301:29 pm
ORD
- YHM
2 stops32h 44m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$775
One-way flights from Hamilton to O'Hare IntlSearch for one-way flight options from Hamilton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from Hamilton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Mon 6/18:15 am
YHM
- ORD
1 stop29h 09m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$145
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:30 am
YHM
- ORD
1 stop4h 30m
Air Canada
Deal found 5/12![Air Canada logo]()
$163
This Flightnetwork deal was found by Cheapflights users on 5/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:30 pm
YHM
- ORD
1 stop14h 30m
Air Canada
Deal found 5/12![Air Canada logo]()
$189
This Gotogate deal was found by Cheapflights users on 5/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:35 pm
YHM
- ORD
1 stop4h 30m
Air Canada
Deal found 5/8![Air Canada logo]()
$192
This Gotogate deal was found by Cheapflights users on 5/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:30 pm
YHM
- ORD
1 stop4h 35m
Air Canada
Deal found 5/12![Air Canada logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/88:15 am
YHM
- ORD
2 stops24h 48m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Mon 6/158:15 am
YHM
- ORD
2 stops24h 48m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$218
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:10 pm
YHM
- ORD
1 stop5h 30m
Air Canada
Deal found 5/10![Air Canada logo]()
$243
This oojo deal was found by Cheapflights users on 5/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:10 pm
YHM
- ORD
1 stop23h 30m
WestJet
Deal found 5/11![WestJet logo]()
$259
Find flight deals from Hamilton to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) 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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $503 (Kiwi.com) |
One-way from | $145 (Kiwi.com) |
Popular in | May |
Cheapest in | July |
Average price | $279 |
Cheapflights Fare Finder
Customize your flight search to find flights from Hamilton 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 May 12, 2026.
Use the filters below to find and compare flights from Hamilton to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Fri 7/3
8:50 am-10:35 am
2 stops26h 45m
Chicago O'Hare Intl
Sun 7/5
8:52 am-9:43 am
3 stops23h 51m
$895
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Thu 5/28
5:45 pm-4:40 pm
2 stops23h 55m
Chicago O'Hare Intl
Sun 5/31
5:30 pm-10:34 pm
2 stops28h 04m
$898
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Fri 6/5
5:45 pm-4:40 pm
2 stops23h 55m
Chicago O'Hare Intl
Mon 6/8
5:30 pm-10:34 pm
2 stops28h 04m
$928
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Thu 6/25
6:35 pm-10:16 am
3 stops16h 41m
Chicago O'Hare Intl
Thu 7/2
8:35 am-7:39 pm
2 stops10h 04m
$969
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Thu 8/6
8:50 am-10:44 am
2 stops26h 54m
Chicago O'Hare Intl
Sun 8/9
5:30 pm-8:25 pm
3 stops25h 55m
$1,010
Quickest round-trip
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Tue 6/2
8:50 am-6:43 pm
1 stop10h 53m
Chicago O'Hare Intl
Tue 6/9
8:45 am-6:59 pm
2 stops9h 14m
$1,012
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Fri 6/5
7:00 am-4:40 pm
2 stops34h 40m
Chicago O'Hare Intl
Sun 6/7
5:30 pm-10:09 pm
2 stops27h 39m
$1,032
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Sun 6/7
9:10 am-4:40 pm
2 stops32h 30m
Chicago O'Hare Intl
Thu 6/11
5:30 pm-7:35 pm
2 stops25h 05m
$1,046
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Sat 7/4
6:15 am-3:30 pm
2 stops10h 15m
Chicago O'Hare Intl
Sun 7/5
5:30 pm-8:25 pm
3 stops25h 55m
$1,046
Cheapest one-way
HamiltonChicago
YHM - ORD
YHMORD
Hamilton
Tue 6/2
6:30 pm-8:00 am
1 stop14h 30m
$189
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Hamilton to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hamilton to O'Hare Intl in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Hamilton, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hamilton, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hamilton, Ontario-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hamilton, Ontario-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hamilton, Ontario-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Hamilton to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Hamilton with our price prediction graph.
YHM-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.
Related info for your journey
Find useful and relevant information for your journey from Hamilton 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 locationsRosemont
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Lake Geneva
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