$231+ Cheap flights from Hamilton, ON (YHM) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Nov 13 — Nov 201
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
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 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 October 14, 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 October 14, 2026.
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Fri 10/3012:10 pm -
3 stops25h 41m
Sun 11/17:55 am -
2 stops13h 15m
Deal found 10/10![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 10/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:20 am -
2 stops16h 20m
Wed 12/99:16 am -
2 stops27h 54m
Deal found 10/12![Multiple Airlines logo]()
$501
This Mytrip deal was found by Cheapflights users on 10/13. 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 12/36:20 am -
1 stop8h 36m
Mon 12/710:38 am -
3 stops34h 32m
Deal found 10/13![Multiple Airlines logo]()
$513
This Booking.com deal was found by Cheapflights users on 10/14. 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 11/16:20 am -
1 stop10h 17m
Mon 11/27:55 am -
2 stops13h 15m
Deal found 10/14![Multiple Airlines logo]()
$521
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 am -
1 stop10h 17m
Sat 11/146:30 am -
2 stops15h 05m
Deal found 10/9![Multiple Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Sun 10/256:25 am -
1 stop10h 05m
Thu 10/298:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/248:15 am -
1 stop8h 15m
Thu 10/298:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$581
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 October 14, 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 October 14, 2026.
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Fri 10/3012:10 pm -
3 stops25h 41m
Sun 11/17:55 am -
2 stops13h 15m
Deal found 10/10![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 10/14. 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 10/3012:10 pm -
3 stops25h 41m
Mon 11/21:04 pm -
3 stops32h 06m
Deal found 10/14![Multiple Airlines logo]()
$697
This Expedia deal was found by Cheapflights users on 10/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:10 pm -
2 stops12h 47m
Tue 11/37:00 am -
2 stops14h 10m
Deal found 10/13![Multiple Airlines logo]()
$729
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Sat 10/178:15 am -
1 stop8h 15m
Sat 10/247:44 pm -
2 stops17h 24m
Deal found 10/9![Multiple Airlines logo]()
$818
This Booking.com deal was found by Cheapflights users on 10/12. 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.
Wed 10/2812:10 pm -
2 stops28h 27m
Sat 10/312:11 pm -
3 stops31h 59m
Deal found 10/12![Multiple Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 10/13. 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 12/56:20 am -
2 stops26h 00m
Sun 12/610:37 pm -
3 stops22h 33m
Deal found 10/13![Multiple Airlines logo]()
$857
This Mytrip deal was found by Cheapflights users on 10/13. 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 12/212:10 pm -
3 stops20h 05m
Mon 12/76:10 am -
2 stops15h 00m
Deal found 10/13![Multiple Airlines logo]()
$864
This Mytrip deal was found by Cheapflights users on 10/13. 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 10/2812:10 pm -
3 stops32h 49m
Fri 10/308:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$871
This Booking.com deal was found by Cheapflights users on 10/13. 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 10/2912:10 pm -
2 stops28h 27m
Sun 11/17:55 am -
2 stops13h 15m
Deal found 10/13![Multiple Airlines logo]()
$899
This Mytrip deal was found by Cheapflights users on 10/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:10 pm -
3 stops25h 41m
Sun 11/157:55 am -
2 stops13h 15m
Deal found 10/12![Multiple Airlines logo]()
$913
Last-minute flights from Hamilton to O'Hare IntlDiscover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated October 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 am -
1 stop8h 15m
Mon 10/268:04 am -
2 stops13h 06m
Deal found 10/12![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/238:15 am -
1 stop8h 15m
Thu 10/298:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$604
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:15 am -
1 stop8h 15m
Sat 11/146:30 am -
2 stops15h 05m
Deal found 10/9![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/248:15 am -
1 stop8h 15m
Thu 10/298:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/248:15 am -
1 stop8h 15m
Fri 10/308:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Sun 10/256:25 am -
1 stop10h 05m
Thu 10/298:00 am -
2 stops13h 10m
Deal found 10/13![Multiple Airlines logo]()
$573
This Mytrip deal was found by Cheapflights users on 10/10. 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.
Fri 10/3012:10 pm -
3 stops25h 41m
Sun 11/17:55 am -
2 stops13h 15m
Deal found 10/10![Multiple Airlines logo]()
$459
This Mytrip deal was found by Cheapflights users on 10/13. 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 10/3012:10 pm -
3 stops25h 41m
Mon 11/27:55 am -
2 stops13h 15m
Deal found 10/13![Multiple Airlines logo]()
$624
This Booking.com deal was found by Cheapflights users on 10/14. 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 11/16:20 am -
1 stop10h 17m
Mon 11/27:55 am -
2 stops13h 15m
Deal found 10/14![Multiple Airlines logo]()
$521
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:20 am -
1 stop10h 17m
Sat 11/146:30 am -
2 stops15h 05m
Deal found 10/9![Multiple Airlines logo]()
$538
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 October 14, 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 October 14, 2026.
This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:25 am -
1 stop10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$231
This Trip.com deal was found by Cheapflights users on 10/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:20 am -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$246
This Trip.com deal was found by Cheapflights users on 10/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:25 am -
1 stop10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$253
This Mytrip deal was found by Cheapflights users on 10/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 am -
1 stop18h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$297
This Mytrip deal was found by Cheapflights users on 10/14. 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 12/46:20 am -
2 stops16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$309
This Mytrip deal was found by Cheapflights users on 10/10. 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 11/76:20 am -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$310
This Mytrip deal was found by Cheapflights users on 10/9. 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.
Sun 11/86:20 am -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$319
This Mytrip deal was found by Cheapflights users on 10/11. 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 11/26:05 am -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$351
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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $459 (Mytrip) |
One-way from | $231 (Trip.com) |
Popular in | October |
Cheapest in | February |
Average price | $305 |
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 7,457,451 searches. Data last updated October 14, 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 Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 1/8
6:25 am-4:14 pm
1 stop10h 49m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$231
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sun 11/8
6:20 am-3:37 pm
1 stop10h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Quickest round-trip
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sat 10/17
8:15 am-3:30 pm
1 stop8h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$355
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Tue 11/10
6:05 am-3:02 pm
1 stop9h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$375
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Tue 11/24
8:00 am-11:00 am
2 stops28h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$397
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sat 12/12
4:05 pm-11:07 am
3 stops20h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$405
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sun 11/1
6:20 am-12:21 am
3 stops19h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$407
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Tue 12/15
6:05 am-6:20 pm
3 stops13h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$413
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 10/23
8:15 am-3:30 pm
1 stop8h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$438
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Mon 10/19
8:15 am-12:31 am
2 stops17h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$449
Showing 1-10 of 20 resultsSorted by cheapest first
- 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 locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Oakbrook Terrace
Delavan
Aurora
Libertyville
Rockford
Hoffman Estates
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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