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$179+ Cheap flights from Hamilton, ON (YHM) to Ontario (ONT)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Hamilton to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Ontario (ONT). 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 September 11, 2025.

Round-trip from

$638
(Expedia)

One-way from

$179
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$236
From Hamilton to Ontario
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One-way flight from Hamilton to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Hamilton to Ontario

Cheapest flights from Hamilton to Ontario
Explore the most affordable flight options available from Hamilton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:05 amYHM - ONT
2 stops14h 28mMultiple Airlines
Wed 10/156:00 amONT - YHM
2 stops14h 59mMultiple Airlines
Deal found 9/8$638
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Wed 10/86:00 amYHM - ONT
2 stops14h 10mWestJet
Wed 10/157:35 amONT - YHM
2 stops14h 05mWestJet
Deal found 9/10$744
This Mytrip deal was found by Cheapflights users on 9/9. 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 10/102:55 pmYHM - ONT
3 stops34h 46mMultiple Airlines
Mon 10/137:35 amONT - YHM
2 stops34h 44mMultiple Airlines
Deal found 9/9$821
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Sun 10/266:10 pmYHM - ONT
3 stops26h 00mWestJet
Sun 11/27:35 amONT - YHM
3 stops30h 42mWestJet
Deal found 9/11$908
This WestJet deal was found by Cheapflights users on 9/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 pmYHM - ONT
2 stops49h 59mWestJet
Sun 11/166:45 amONT - YHM
2 stops31h 32mWestJet
Deal found 9/9$1,425
This WestJet deal was found by Cheapflights users on 9/10. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amYHM - ONT
2 stops14h 10mWestJet
Sat 11/17:35 amONT - YHM
2 stops31h 42mWestJet
Deal found 9/10$1,740

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton to Ontario 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 September 11, 2025.
Use the filters below to find and compare flights from Hamilton to Ontario that are best for you.

Fly from

Hamilton

Fly to

Ontario

Route

Depart

Return

Price

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Wed 10/8

7:05 am-6:33 pm

2 stops14h 28m

Ontario

Wed 10/15

6:00 am-11:59 pm

2 stops14h 59m

$638

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Wed 10/8

6:00 am-5:10 pm

2 stops14h 10m

Ontario

Wed 10/15

7:35 am-12:40 am

2 stops14h 05m

$744

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Fri 10/10

2:55 pm-10:41 pm

3 stops34h 46m

Ontario

Mon 10/13

7:35 am-9:19 pm

2 stops34h 44m

$821

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Sun 10/26

6:10 pm-5:10 pm

3 stops26h 00m

Ontario

Sun 11/2

7:35 am-5:17 pm

3 stops30h 42m

$908

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Wed 11/12

6:10 pm-5:09 pm

2 stops49h 59m

Ontario

Sun 11/16

6:45 am-5:17 pm

2 stops31h 32m

$1,425

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Sat 10/25

6:00 am-5:10 pm

2 stops14h 10m

Ontario

Sat 11/1

7:35 am-6:17 pm

2 stops31h 42m

$1,740

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Wed 10/22

6:00 am-8:42 pm

2 stops17h 42m

$179

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Sat 10/25

6:00 am-11:08 am

2 stops32h 08m

$192

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Sun 10/26

8:15 am-5:10 pm

2 stops35h 55m

$395

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

Sun 10/26

6:10 pm-5:10 pm

3 stops26h 00m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 13 results
1
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Best time to book a flight from Hamilton to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Hamilton with our price prediction graph.
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 Hamilton to Ontario

What is the cheapest month to book a flight from Hamilton, Ontario to Ontario?

Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Ontario (average of $246). Flying from Hamilton, Ontario to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

Find useful and relevant information for your journey from Hamilton to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Hamilton, Ontario to Ontario?

    There are many flights that can get you from Hamilton, Ontario to Ontario in 14h 10m. Fly via WestJet to get the fastest option. Hamilton, Ontario and Ontario are separated by a distance of 2107 mi.

  • Can I find deals for flights from Hamilton to Ontario that include hotel bookings?

    Yes. In addition to deals on Hamilton to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to Ontario.

  • Can I find deals for business class flights from Hamilton to Ontario?

    Yes. Cheapflights offers flight deals from Hamilton to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hamilton, Ontario to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Hamilton, Ontario to Ontario (average of $246). Flying from Hamilton, Ontario to Ontario in March is currently the most expensive (average of $328). 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.

See more FAQs

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