$172+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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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 November 10, 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 November 10, 2026.
This Mytrip deal was found by Cheapflights users on 11/10. 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 12/106:20 am -
1 stop8h 40m
Sat 12/124:00 pm -
2 stops21h 13m
Deal found 11/10![Multiple Airlines logo]()
$473
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:20 pm -
2 stops34h 34m
Sat 12/128:30 am -
2 stops13h 05m
Deal found 11/5![Multiple Airlines logo]()
$484
This Mytrip deal was found by Cheapflights users on 11/9. 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 11/226:20 am -
1 stop18h 14m
Wed 11/259:20 pm -
3 stops23h 50m
Deal found 11/9![Multiple Airlines logo]()
$510
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:20 am -
1 stop8h 40m
Mon 12/1410:29 pm -
3 stops22h 41m
Deal found 11/6![Multiple Airlines logo]()
$541
This Mytrip deal was found by Cheapflights users on 11/9. 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 11/226:20 am -
1 stop18h 14m
Sat 11/286:20 am -
1 stop15h 15m
Deal found 11/9![Multiple Airlines logo]()
$575
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 November 10, 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 November 10, 2026.
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Fri 12/46:55 am -
2 stops12h 08m
Sun 12/69:29 pm -
3 stops23h 41m
Deal found 11/8![Multiple Airlines logo]()
$628
This Mytrip deal was found by Cheapflights users on 11/8. 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.
Thu 12/36:20 am -
1 stop8h 40m
Sun 12/610:29 pm -
3 stops22h 41m
Deal found 11/8![Multiple Airlines logo]()
$694
This Mytrip deal was found by Cheapflights users on 11/8. 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 12/233:15 pm -
2 stops32h 51m
Wed 12/305:58 am -
2 stops15h 32m
Deal found 11/8![Multiple Airlines logo]()
$705
This Mytrip deal was found by Cheapflights users on 11/9. 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.
Wed 11/258:10 am -
3 stops16h 24m
Sat 11/286:20 am -
1 stop15h 15m
Deal found 11/9![Multiple Airlines logo]()
$767
This Booking.com deal was found by Cheapflights users on 11/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:55 am -
2 stops15h 34m
Mon 12/1410:29 am -
3 stops34h 41m
Deal found 11/7![Multiple Airlines logo]()
$769
This Booking.com deal was found by Cheapflights users on 11/9. 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.
Sun 11/227:00 am -
1 stop9h 52m
Wed 11/255:40 am -
2 stops15h 30m
Deal found 11/9![Multiple Airlines logo]()
$780
Last-minute flights from Hamilton to O'Hare IntlDiscover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated November 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 11/9. 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 11/226:20 am -
1 stop18h 14m
Wed 11/259:20 pm -
3 stops23h 50m
Deal found 11/9![Multiple Airlines logo]()
$510
This Mytrip deal was found by Cheapflights users on 11/9. 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 11/226:20 am -
1 stop18h 14m
Sat 11/286:20 am -
1 stop15h 15m
Deal found 11/9![Multiple Airlines logo]()
$575
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:20 pm -
2 stops34h 34m
Sat 12/128:30 am -
2 stops13h 05m
Deal found 11/5![Multiple Airlines logo]()
$484
This Mytrip deal was found by Cheapflights users on 11/10. 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 12/106:20 am -
1 stop8h 40m
Sat 12/124:00 pm -
2 stops21h 13m
Deal found 11/10![Multiple Airlines logo]()
$473
This Booking.com deal was found by Cheapflights users on 11/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:20 am -
1 stop8h 40m
Mon 12/1410:29 pm -
3 stops22h 41m
Deal found 11/6![Multiple Airlines logo]()
$541
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 November 10, 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 November 10, 2026.
This Trip.com deal was found by Cheapflights users on 11/10. 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.
Sun 11/226:20 am -
1 stop18h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$172
This Booking.com deal was found by Cheapflights users on 11/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:20 am -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$271
This Booking.com deal was found by Cheapflights users on 11/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 am -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$302
This Booking.com deal was found by Cheapflights users on 11/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:55 am -
2 stops15h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$310
This eDestinos deal was found by Cheapflights users on 11/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:55 am -
2 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$315
This Booking.com deal was found by Cheapflights users on 11/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:20 am -
2 stops17h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$349
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $484 (Mytrip) |
One-way from | $173 (Trip.com) |
Popular in | October |
Cheapest in | February |
Average price | $296 |
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 November 10, 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
Sun 11/22
6:20 am-12:53 am
2 stops19h 33m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$273
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 12/11
6:55 am-9:29 pm
2 stops15h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$310
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Wed 12/30
6:20 am-10:47 pm
2 stops17h 27m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$349
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Wed 12/2
12:10 pm-7:17 am
3 stops20h 07m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$357
Quickest round-trip
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sun 11/15
6:20 am-3:37 pm
1 stop10h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$379
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Tue 12/22
6:20 am-4:52 pm
1 stop11h 32m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$380
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Wed 11/25
12:10 pm-11:34 pm
2 stops12h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$388
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 1/1
6:55 am-4:33 pm
1 stop10h 38m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$398
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 12/4
6:55 am-6:03 pm
2 stops12h 08m
Chicago O'Hare Intl
Sun 12/6
9:29 pm-10:10 pm
3 stops23h 41m
$628
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Thu 12/3
6:20 am-2:00 pm
1 stop8h 40m
Chicago O'Hare Intl
Sun 12/6
10:29 pm-10:10 pm
3 stops22h 41m
$694
Showing 1-10 of 14 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
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Schaumburg
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Beloit
Elgin
Racine
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