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Hilton Head Island

$475+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HHH
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/21. 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 3/511:58 pm
ONT
-
HHH
2 stops11h 24m
American Airlines
Sun 3/82:58 pm
HHH
-
ONT
1 stop9h 26m
American Airlines
Deal found 1/21$475
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1410:36 pm
ONT
-
HHH
1 stop8h 57m
American Airlines
Tue 3/1712:23 pm
HHH
-
ONT
1 stop10h 22m
American Airlines
Deal found 1/20$550
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:36 pm
ONT
-
HHH
1 stop8h 57m
American Airlines
Mon 3/162:58 pm
HHH
-
ONT
1 stop9h 26m
American Airlines
Deal found 1/20$556
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:36 pm
ONT
-
HHH
1 stop8h 57m
American Airlines
Tue 3/1712:23 pm
HHH
-
ONT
2 stops12h 44m
American Airlines
Deal found 1/20$561
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:59 pm
ONT
-
HHH
2 stops12h 00m
American Airlines
Mon 2/912:51 pm
HHH
-
ONT
2 stops23h 17m
American Airlines
Deal found 1/20$569
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1410:36 pm
ONT
-
HHH
1 stop8h 57m
American Airlines
Mon 3/162:58 pm
HHH
-
ONT
2 stops12h 01m
American Airlines
Deal found 1/20$588
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:36 pm
ONT
-
HHH
1 stop8h 57m
American Airlines
Tue 3/1712:23 pm
HHH
-
ONT
1 stop10h 22m
American Airlines
Deal found 1/20$635

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 January 21, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$475
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$684
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
Highest demand for flights based on searches. 19% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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 3/5

11:58 pm-2:22 pm

2 stops11h 24m

Hilton Head Island

Sun 3/8

2:58 pm-9:24 pm

1 stop9h 26m

$475

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 3/14

10:36 pm-10:33 am

1 stop8h 57m

Hilton Head Island

Tue 3/17

12:23 pm-7:45 pm

1 stop10h 22m

$550

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 3/12

10:36 pm-10:33 am

1 stop8h 57m

Hilton Head Island

Tue 3/17

12:23 pm-7:45 pm

1 stop10h 22m

$556

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 3/12

10:36 pm-10:33 am

1 stop8h 57m

Hilton Head Island

Mon 3/16

2:58 pm-9:24 pm

1 stop9h 26m

$556

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Thu 2/5

11:59 pm-2:59 pm

2 stops12h 00m

Hilton Head Island

Mon 2/9

12:51 pm-9:08 am

2 stops23h 17m

$569

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Sat 3/14

10:36 pm-10:33 am

1 stop8h 57m

Hilton Head Island

Mon 3/16

2:58 pm-11:59 pm

2 stops12h 01m

$588

OntarioHilton Head Island

ONT - HHH

ONTHHH

Ontario

Fri 3/13

10:36 pm-10:33 am

1 stop8h 57m

Hilton Head Island

Mon 3/16

2:58 pm-9:24 pm

1 stop9h 26m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

  • 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 $277). 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 11h 24m. 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 $277). 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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