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Hilton Head Island

$459+ Cheap flights from Ontario to Hilton Head Island (ONT - HHH)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HHH
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheap flight deals from Ontario to Hilton Head Island

Best flights from Ontario to Hilton Head Island
Discover carefully curated flight deals from Ontario to Hilton Head Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 20, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:53 pmONT - HHH
2 stops13h 19mUnited Airlines
Wed 6/312:00 pmHHH - ONT
2 stops14h 06mUnited Airlines
Deal found 12/19$469
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:59 pmONT - HHH
1 stop13h 19mDelta
Wed 6/312:00 pmHHH - ONT
1 stop9h 15mDelta
Deal found 12/19$537
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:03 pmONT - HHH
1 stop8h 07mAmerican Airlines
Wed 6/312:42 pmHHH - ONT
2 stops10h 20mAmerican Airlines
Deal found 12/19$592
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 pmONT - HHH
2 stops13h 42mUnited Airlines
Wed 6/312:00 pmHHH - ONT
2 stops14h 06mUnited Airlines
Deal found 12/19$469
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:30 pmONT - HHH
2 stops13h 42mUnited Airlines
Wed 6/312:00 pmHHH - ONT
2 stops14h 06mUnited Airlines
Deal found 12/19$469
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:59 pmONT - HHH
1 stop13h 19mDelta
Wed 6/312:00 pmHHH - ONT
1 stop9h 15mDelta
Deal found 12/19$537
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:53 pmONT - HHH
2 stops13h 19mUnited Airlines
Wed 6/312:00 pmHHH - ONT
2 stops14h 06mUnited Airlines
Deal found 12/19$499
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:59 pmONT - HHH
1 stop13h 19mDelta
Wed 6/312:00 pmHHH - ONT
1 stop9h 15mDelta
Deal found 12/19$587
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:30 pmONT - HHH
2 stops13h 42mUnited Airlines
Wed 6/312:00 pmHHH - ONT
2 stops14h 06mUnited Airlines
Deal found 12/19$499
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:59 pmONT - HHH
1 stop13h 19mDelta
Wed 6/312:00 pmHHH - ONT
1 stop9h 15mDelta
Deal found 12/19$587

Find 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 December 20, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$469
(United Airlines)

One-way from

$459
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$674
Provider with most accurate pricing for Ontario-Hilton Head Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Hilton Head Island flights.
Search Deals
From Ontario to Hilton Head Island
Search Deals
One-way flight from Ontario to Hilton Head Island
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 20, 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

Wed 5/27

6:53 pm-11:12 am

2 stops13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-11:06 pm

2 stops14h 06m

$469

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 5/30

6:30 pm-11:12 am

2 stops13h 42m

Hilton Head Island

Wed 6/3

12:00 pm-11:06 pm

2 stops14h 06m

$469

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sun 5/24

6:30 pm-11:12 am

2 stops13h 42m

Hilton Head Island

Wed 6/3

12:00 pm-11:06 pm

2 stops14h 06m

$469

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 5/28

6:53 pm-11:12 am

2 stops13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-11:06 pm

2 stops14h 06m

$499

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Tue 5/26

6:30 pm-11:12 am

2 stops13h 42m

Hilton Head Island

Wed 6/3

12:00 pm-11:06 pm

2 stops14h 06m

$499

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Mon 5/25

10:59 pm-3:18 pm

1 stop13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-6:15 pm

1 stop9h 15m

$537

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sun 5/24

10:59 pm-3:18 pm

1 stop13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-6:15 pm

1 stop9h 15m

$537

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 5/28

10:59 pm-3:18 pm

1 stop13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-6:15 pm

1 stop9h 15m

$587

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 5/30

10:59 pm-3:18 pm

1 stop13h 19m

Hilton Head Island

Wed 6/3

12:00 pm-6:15 pm

1 stop9h 15m

$587

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Tue 5/26

11:03 pm-10:10 am

1 stop8h 07m

Hilton Head Island

Wed 6/3

12:42 pm-8:02 pm

2 stops10h 20m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 13 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 $112). 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?

    United Airlines can get you from Ontario to Hilton Head Island in just under 13h 19m. 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 $112). 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

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