$200+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ORD
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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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 20, 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 20, 2026.
This Mytrip deal was found by Cheapflights users on 10/20. 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
Fri 12/115:35 am -
1 stop7h 38m
Deal found 10/20![Multiple Airlines logo]()
$432
This Mytrip deal was found by Cheapflights users on 10/16. 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 12/112:10 pm -
3 stops26h 42m
Sat 12/58:30 am -
2 stops13h 05m
Deal found 10/16![Multiple Airlines logo]()
$487
This Mytrip deal was found by Cheapflights users on 10/16. 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 11/16:20 am -
1 stop10h 17m
Sat 11/77:55 am -
2 stops13h 15m
Deal found 10/16![Multiple Airlines logo]()
$490
This Mytrip deal was found by Cheapflights users on 10/19. 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 10/19![Multiple Airlines logo]()
$565
This Booking.com deal was found by Cheapflights users on 10/17. 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
Mon 11/161:04 pm -
3 stops32h 06m
Deal found 10/17![Multiple Airlines logo]()
$568
This Booking.com deal was found by Cheapflights users on 10/17. 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 10/17![Multiple Airlines logo]()
$583
This Booking.com deal was found by Cheapflights users on 10/17. 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 11/143:20 pm -
2 stops34h 01m
Sat 11/217:49 am -
2 stops13h 46m
Deal found 10/17![Multiple Airlines logo]()
$612
This Mytrip deal was found by Cheapflights users on 10/16. 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
Sun 11/81:04 pm -
3 stops32h 06m
Deal found 10/16![Multiple Airlines logo]()
$634
This Booking.com deal was found by Cheapflights users on 10/17. 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
Fri 11/135:15 pm -
3 stops20h 04m
Deal found 10/17![Multiple Airlines logo]()
$640
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 20, 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 20, 2026.
This Mytrip deal was found by Cheapflights users on 10/18. 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 12/112:10 pm -
3 stops26h 42m
Sat 12/58:30 am -
2 stops13h 05m
Deal found 10/18![Multiple Airlines logo]()
$508
This Booking.com deal was found by Cheapflights users on 10/17. 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
Mon 11/161:04 pm -
3 stops32h 06m
Deal found 10/17![Multiple Airlines logo]()
$568
This Mytrip deal was found by Cheapflights users on 10/19. 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
Thu 12/106:07 am -
2 stops15h 03m
Deal found 10/19![Multiple Airlines logo]()
$690
This Booking.com deal was found by Cheapflights users on 10/17. 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
Sun 11/156:10 am -
1 stop16h 51m
Deal found 10/17![Multiple Airlines logo]()
$707
This Booking.com deal was found by Cheapflights users on 10/15. 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
Sun 11/81:04 pm -
3 stops32h 06m
Deal found 10/15![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/20. 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 12/412:10 pm -
3 stops27h 20m
Mon 12/710:37 pm -
3 stops22h 33m
Deal found 10/20![Multiple Airlines logo]()
$787
This Mytrip deal was found by Cheapflights users on 10/16. 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 stops12h 43m
Sun 12/69:34 pm -
3 stops23h 36m
Deal found 10/16![Multiple Airlines logo]()
$813
This Mytrip deal was found by Cheapflights users on 10/19. 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 11/1212:10 pm -
2 stops28h 27m
Mon 11/161:04 pm -
3 stops32h 06m
Deal found 10/19![Multiple Airlines logo]()
$874
Last-minute flights from Hamilton to O'Hare IntlDiscover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Hamilton to O'Hare Intl. Data last updated October 20, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/17. 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 10/248:15 am -
1 stop8h 15m
Sun 10/258:04 am -
2 stops13h 06m
Deal found 10/17![Multiple Airlines logo]()
$665
This Mytrip deal was found by Cheapflights users on 10/18. 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 10/18![Multiple Airlines logo]()
$661
This Mytrip deal was found by Cheapflights users on 10/16. 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 11/16:20 am -
1 stop10h 17m
Sat 11/77:55 am -
2 stops13h 15m
Deal found 10/16![Multiple Airlines logo]()
$490
This Booking.com deal was found by Cheapflights users on 10/17. 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
Mon 11/161:04 pm -
3 stops32h 06m
Deal found 10/17![Multiple Airlines logo]()
$568
This Booking.com deal was found by Cheapflights users on 10/17. 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 10/17![Multiple Airlines logo]()
$583
This Mytrip deal was found by Cheapflights users on 10/16. 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
Sun 11/81:04 pm -
3 stops32h 06m
Deal found 10/16![Multiple Airlines logo]()
$634
This Booking.com deal was found by Cheapflights users on 10/17. 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
Fri 11/135:15 pm -
3 stops20h 04m
Deal found 10/17![Multiple Airlines logo]()
$640
This Booking.com deal was found by Cheapflights users on 10/17. 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 11/143:20 pm -
2 stops34h 01m
Sat 11/217:49 am -
2 stops13h 46m
Deal found 10/17![Multiple Airlines logo]()
$612
This Mytrip deal was found by Cheapflights users on 10/19. 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 10/19![Multiple Airlines logo]()
$565
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 20, 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 20, 2026.
This Mytrip deal was found by Cheapflights users on 10/20. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 12/46:55 am -
2 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$225
This Kissandfly.com deal was found by Cheapflights users on 10/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:20 pm -
1 stop10h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/1812:10 pm -
3 stops33h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$238
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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $473 (Mytrip) |
One-way from | $200 (Mytrip) |
Popular in | October |
Cheapest in | February |
Average price | $316 |
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 20, 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
Thu 12/3
6:20 am-4:04 pm
2 stops34h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$211
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Fri 12/4
6:55 am-9:18 am
1 stop27h 23m
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
Sat 11/21
3:20 pm-12:43 am
1 stop10h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$236
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sun 11/15
6:20 am-7:59 pm
2 stops14h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$297
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sun 11/22
12:10 pm-11:34 pm
2 stops12h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$336
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Mon 11/30
4:05 pm-1:52 pm
3 stops46h 47m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$348
Quickest round-trip
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
$349
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Tue 12/1
12:10 pm-1:52 pm
3 stops26h 42m
Chicago O'Hare Intl
Sat 12/5
8:30 am-10:35 pm
2 stops13h 05m
$508
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Sat 11/7
6:20 am-3:37 pm
1 stop10h 17m
Chicago O'Hare Intl
Mon 11/16
1:04 pm-10:10 pm
3 stops32h 06m
$568
HamiltonChicago
YHM Hamilton - ORD Chicago O'Hare Intl
YHMORD
Hamilton
Thu 12/3
6:20 am-1:56 pm
1 stop8h 36m
Chicago O'Hare Intl
Thu 12/10
6:07 am-10:10 pm
2 stops15h 03m
$690
Showing 1-10 of 15 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
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