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Hilton Head Island

$377+ Cheap flights from Ontario to Hilton Head Island (ONT - HHH)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HHH
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap flight deals from Ontario to Hilton Head Island

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hilton Head Island (HHH). 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 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$377
(American Airlines)

Popular in

February

Cheapest in

September

Average price

$691
Provider with most accurate pricing for Ontario-Hilton Head Island flight deals.
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Provider most trusted by Cheapflights users for Ontario-Hilton Head Island flights.
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From Ontario to Hilton Head Island
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Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Hilton Head Island

Cheapest flights from Ontario to Hilton Head Island
Explore the most affordable flight options available from Ontario to Hilton Head Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 pmONT - HHH
2 stops9h 23mAmerican Airlines
Tue 12/912:52 pmHHH - ONT
1 stop9h 47mAmerican Airlines
Deal found 10/22$377
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amONT - HHH
2 stops9h 12mAmerican Airlines
Tue 12/93:27 pmHHH - ONT
1 stop7h 12mAmerican Airlines
Deal found 10/22$462
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 pmONT - HHH
2 stops9h 23mAmerican Airlines
Sat 12/62:17 pmHHH - ONT
1 stop9h 50mAmerican Airlines
Deal found 10/22$477
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 pmONT - HHH
2 stops9h 23mAmerican Airlines
Mon 12/83:27 pmHHH - ONT
1 stop7h 12mAmerican Airlines
Deal found 10/22$492
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:11 amONT - HHH
2 stops9h 06mAmerican Airlines
Wed 11/123:27 pmHHH - ONT
1 stop7h 14mAmerican Airlines
Deal found 10/22$498
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amONT - HHH
2 stops9h 12mAmerican Airlines
Wed 12/1012:52 pmHHH - ONT
1 stop9h 47mAmerican Airlines
Deal found 10/22$502
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:59 amONT - HHH
2 stops24h 48mAmerican Airlines
Sat 12/62:17 pmHHH - ONT
1 stop9h 50mAmerican Airlines
Deal found 10/22$507

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Hilton Head Island 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 October 23, 2025.
Use the filters below to find and compare flights from Ontario to Hilton Head Island that are best for you.

Fly from

Ontario

Fly to

Hilton Head Island

Route

Depart

Return

Price

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 12/4

7:30 pm-2:57 pm

2 stops16h 27m

Hilton Head Island

Tue 12/9

3:27 pm-9:54 am

2 stops21h 27m

$388

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 12/6

6:00 am-6:12 pm

2 stops9h 12m

Hilton Head Island

Tue 12/9

3:27 pm-7:39 pm

1 stop7h 12m

$462

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 12/4

11:59 pm-12:22 pm

2 stops9h 23m

Hilton Head Island

Sat 12/6

2:17 pm-9:07 pm

1 stop9h 50m

$477

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 11/8

6:11 am-6:17 pm

2 stops9h 06m

Hilton Head Island

Wed 11/12

3:27 pm-7:41 pm

1 stop7h 14m

$498

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Wed 12/3

9:59 am-1:47 pm

2 stops24h 48m

Hilton Head Island

Sat 12/6

11:47 am-10:28 pm

2 stops13h 41m

$512

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Wed 12/3

9:59 am-1:47 pm

2 stops24h 48m

Hilton Head Island

Tue 12/9

12:52 pm-10:28 pm

2 stops12h 36m

$512

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Fri 12/5

6:17 am-6:33 pm

2 stops9h 16m

Hilton Head Island

Tue 12/9

3:27 pm-7:39 pm

1 stop7h 12m

$517

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Fri 12/5

6:17 am-6:33 pm

2 stops9h 16m

Hilton Head Island

Sat 12/6

11:47 am-10:28 pm

2 stops13h 41m

$522

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Fri 12/5

6:17 am-6:33 pm

2 stops9h 16m

Hilton Head Island

Mon 12/8

3:27 pm-7:39 pm

1 stop7h 12m

$532

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Tue 12/2

4:47 pm-6:33 pm

2 stops22h 46m

Hilton Head Island

Tue 12/9

3:27 pm-7:39 pm

1 stop7h 12m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Hilton Head Island flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Ontario-Hilton Head Island flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Ontario-Hilton Head Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Hilton Head Island flights, Cheapflights users trust Expedia the most. Expedia 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 Ontario-Hilton Head Island 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 Ontario to Hilton Head Island

Have a flexible travel schedule? Discover the best time to fly to Hilton Head Island from Ontario 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 Ontario to Hilton Head Island

What is the cheapest month to book a flight from Ontario to Hilton Head Island?

Currently, October is the cheapest month in which you can book a flight from Ontario to Hilton Head Island (average of $117). Flying from Ontario to Hilton Head Island in February is currently the most expensive (average of $276). 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 Ontario to Hilton Head Island. 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 Ontario to Hilton Head Island?

    American Airlines can get you from Ontario to Hilton Head Island in just under 16h 27m. Your travel time can differ by up to . Airlines will cover a distance of 2126 mi.

  • Can I find deals for flights from Ontario to Hilton Head Island that include hotel bookings?

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

  • How can I find direct flights from Ontario to Hilton Head Island?

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

  • Can I find deals for business class flights from Ontario to Hilton Head Island?

    Yes. Cheapflights offers flight deals from Ontario to Hilton Head Island 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 Ontario to Hilton Head Island?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Hilton Head Island (average of $117). Flying from Ontario to Hilton Head Island in February is currently the most expensive (average of $276). 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

Traveling to a place near Hilton Head Island?

Book flights to Hilton Head Island if you plan to visit one of these locations
Beaufort
Bluffton

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