Which airports can I use when flying from Hamilton to Ontario?

Flights from Hamilton to Ontario usually depart from Hamilton (YHM) and arrive at Ontario (ONT).

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Do I need a passport to fly from Hamilton to Ontario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Hamilton to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $801 to $1,391. That means the highest observed fare was about 73% higher than the lowest one.

What is the time difference between Hamilton and Ontario?

Ontario is 3 hours behind Hamilton (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

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Flight Deals

Cheap Flights from Hamilton to Ontario (YHM-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Hamilton to Ontario

Sun, Nov 1 - Sun, Nov 8

7:05 am - 6:17 pmYHM Hamilton-ONT Ontario

14h 12m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$801Multiple Airlines

Thu, Nov 5 - Fri, Nov 13

7:05 am - 6:17 pmYHM Hamilton-ONT Ontario

14h 12m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$874Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

7:05 am - 6:17 pmYHM Hamilton-ONT Ontario

14h 12m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$880Multiple Airlines

Fri, Nov 6 - Mon, Nov 9

7:05 am - 6:17 pmYHM Hamilton-ONT Ontario

14h 12m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$903Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

6:10 pm - 7:36 pmYHM Hamilton-ONT Ontario

28h 26m2 stops Calgary San Francisco

6:15 am - 5:15 pmONT Ontario-YHM Hamilton

32h 00m3 stops Denver Intl San Francisco Calgary

$927Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

6:10 pm - 11:47 pmYHM Hamilton-ONT Ontario

32h 37m3 stops Calgary San Francisco Denver Intl

6:15 am - 5:15 pmONT Ontario-YHM Hamilton

32h 00m3 stops Denver Intl San Francisco Calgary

$968Multiple Airlines

Sat, Oct 3 - Tue, Oct 13

8:15 am - 11:47 pmYHM Hamilton-ONT Ontario

18h 32m3 stops Fort Lauderdale Atlanta Hartsfield-Jackson Denver Intl

6:15 am - 5:15 pmONT Ontario-YHM Hamilton

32h 00m3 stops Denver Intl Seattle/Tacoma Intl Calgary

$1,080Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

8:00 am - 10:15 pmYHM Hamilton-ONT Ontario

17h 15m2 stops Cancun Guadalajara Miguel Hidal

6:37 pm - 10:10 pmONT Ontario-YHM Hamilton

24h 33m3 stops Guadalajara Miguel Hidal Cancun Ottawa

$1,127Multiple Airlines

Thu, Dec 24 - Thu, Dec 31

7:05 am - 8:03 pmYHM Hamilton-ONT Ontario

15h 58m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$1,131Multiple Airlines

Thu, Dec 24 - Thu, Dec 31

7:05 am - 8:03 pmYHM Hamilton-ONT Ontario

15h 58m2 stops Vancouver Intl Seattle/Tacoma Intl

6:00 am - 11:52 pmONT Ontario-YHM Hamilton

14h 52m2 stops Seattle/Tacoma Intl Vancouver Intl

$1,152Multiple Airlines

Useful Info

Cheapest flight	$326

Flight from Hamilton to Ontario

When to book flights from Hamilton to Ontario

Are your dates flexible? Find out the best times to travel from Hamilton to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Do I need a passport to fly from Hamilton to Ontario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Hamilton to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $801 to $1,391. That means the highest observed fare was about 73% higher than the lowest one.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Hamilton to Ontario?
Flights from Hamilton to Ontario usually depart from Hamilton (YHM) and arrive at Ontario (ONT).
What is the time difference between Hamilton and Ontario?
Ontario is 3 hours behind Hamilton (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Ontario Airport Inn

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YHM - ONT

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Everything you should know

Cheap Flights from Hamilton to Ontario (YHM-ONT)

Recent round-trip flight deals from Hamilton to Ontario

Recent one-way flight deals from Hamilton to Ontario

Key details for Hamilton to Ontario flights

Cheapest flight

When to book flights from Hamilton to Ontario

Your Hamilton to Ontario flight questions, answered

Your guide to booking Hamilton to Ontario flights

More options for your flight from Hamilton to Ontario

Complete your trip to Ontario with a hotel stay or car rental

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Cabin class types available on flights from Hamilton to Ontario

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