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$219+ Cheap flights from Hilton Head Island to Ontario (HHH - 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
HHH — ONT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Hilton Head Island to Ontario

One-way flights from Hilton Head Island to Ontario
Search for one-way flight options from Hilton Head Island to Ontario. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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 2/212:58 pm
HHH
-
ONT
1 stop9h 26m
American Airlines
Deal found 1/27$219
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/153:00 pm
HHH
-
ONT
1 stop10h 26m
United Airlines
Deal found 1/27$277
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/212:58 pm
HHH
-
ONT
1 stop9h 26m
American Airlines
Deal found 1/28$388
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 3/222:58 pm
HHH
-
ONT
1 stop9h 26m
American Airlines
Deal found 1/28$438

Find flight deals from Hilton Head Island to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hilton Head Island (HHH) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Hilton Head Island-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hilton Head Island-Ontario flights.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hilton Head Island 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 January 29, 2026.
Use the filters below to find and compare flights from Hilton Head Island to Ontario that are best for you.

Fly from

Hilton Head Island

Fly to

Ontario

Route

Depart

Return

Price

Hilton Head IslandOntario

HHH - ONT

HHHONT

Hilton Head Island

Sat 2/21

2:58 pm-9:24 pm

1 stop9h 26m

$219

Hilton Head IslandOntario

HHH - ONT

HHHONT

Hilton Head Island

Wed 4/15

3:00 pm-10:26 pm

1 stop10h 26m

$277

Hilton Head IslandOntario

HHH - ONT

HHHONT

Hilton Head Island

Sat 3/21

2:58 pm-9:24 pm

1 stop9h 26m

$388

Hilton Head IslandOntario

HHH - ONT

HHHONT

Hilton Head Island

Sun 3/22

2:58 pm-9:24 pm

1 stop9h 26m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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

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

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

Currently, May is the cheapest month in which you can book a flight from Hilton Head Island to Ontario (average of $91). Flying from Hilton Head Island to Ontario in January is currently the most expensive (average of $300). 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 Hilton Head Island to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Hilton Head Island to Ontario (average of $91). Flying from Hilton Head Island to Ontario in January is currently the most expensive (average of $300). 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.

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