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$210+ Cheap flights from Ontario to Harrisburg (ONT - MDT)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find cheap flights from Ontario to Harrisburg with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Ontario to Harrisburg

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Harrisburg (MDT). 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 November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$210
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$488
Provider with most accurate pricing for Ontario-Harrisburg flight deals.
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Provider most trusted by Cheapflights users for Ontario-Harrisburg flights.
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From Ontario to Harrisburg
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One-way flight from Ontario to Harrisburg
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Highest demand for flights based on searches. 16% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Ontario to Harrisburg

Cheapest flights from Ontario to Harrisburg
Explore the most affordable flight options available from Ontario to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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.
Wed 12/312:12 pmONT - MDT
1 stop8h 01mDelta
Tue 12/166:00 amMDT - ONT
1 stop8h 02mDelta
Deal found 11/18$349
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/1112:46 pmONT - MDT
1 stop7h 04mAmerican Airlines
Wed 12/176:19 amMDT - ONT
1 stop8h 34mAmerican Airlines
Deal found 11/19$350
This Delta deal was found by Cheapflights users on 11/18. 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.
Tue 11/257:05 amONT - MDT
1 stop8h 11mDelta
Thu 12/116:00 amMDT - ONT
1 stop8h 02mDelta
Deal found 11/18$399
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/310:25 pmONT - MDT
1 stop9h 23mDelta
Sat 12/136:00 amMDT - ONT
1 stop8h 02mDelta
Deal found 11/19$424
This American Airlines deal was found by Cheapflights users on 11/18. 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 11/2810:47 amONT - MDT
1 stop9h 09mAmerican Airlines
Fri 12/56:19 amMDT - ONT
1 stop10h 36mAmerican Airlines
Deal found 11/18$439
This American Airlines deal was found by Cheapflights users on 11/18. 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 11/289:59 amONT - MDT
2 stops9h 57mAmerican Airlines
Sat 12/610:12 amMDT - ONT
2 stops11h 07mAmerican Airlines
Deal found 11/18$449
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/46:00 amONT - MDT
2 stops11h 57mUnited Airlines
Wed 12/1710:40 amMDT - ONT
2 stops14h 09mUnited Airlines
Deal found 11/18$459
This Delta deal was found by Cheapflights users on 11/18. 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 12/110:25 pmONT - MDT
1 stop9h 23mDelta
Sun 12/146:00 amMDT - ONT
1 stop8h 02mDelta
Deal found 11/18$479
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/26:41 pmONT - MDT
2 stops12h 25mUnited Airlines
Tue 12/1610:40 amMDT - ONT
2 stops14h 09mUnited Airlines
Deal found 11/19$509
This Delta deal was found by Cheapflights users on 11/19. 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 11/3010:25 pmONT - MDT
1 stop9h 34mDelta
Sat 12/136:00 amMDT - ONT
1 stop8h 02mDelta
Deal found 11/19$514

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Harrisburg 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 November 19, 2025.
Use the filters below to find and compare flights from Ontario to Harrisburg that are best for you.

Fly from

Ontario

Fly to

Harrisburg

Route

Depart

Return

Price

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 12/4

12:12 pm-11:13 pm

1 stop8h 01m

Harrisburg

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

$349

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Sat 12/6

12:12 pm-11:13 pm

1 stop8h 01m

Harrisburg

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

$349

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Wed 12/3

10:25 pm-10:48 am

1 stop9h 23m

Harrisburg

Sun 12/14

6:00 am-11:02 am

1 stop8h 02m

$349

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Wed 12/3

10:25 pm-10:48 am

1 stop9h 23m

Harrisburg

Tue 12/16

6:00 am-11:02 am

1 stop8h 02m

$349

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 12/4

7:05 am-6:32 pm

1 stop8h 27m

Harrisburg

Sun 12/14

6:00 am-11:02 am

1 stop8h 02m

$349

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 12/11

12:46 pm-10:50 pm

1 stop7h 04m

Harrisburg

Wed 12/17

6:19 am-11:53 am

1 stop8h 34m

$350

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 1/8

12:41 pm-11:26 pm

1 stop7h 45m

Harrisburg

Sat 1/10

6:00 am-11:31 am

1 stop8h 31m

$384

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 11/25

12:16 pm-11:11 pm

1 stop7h 55m

Harrisburg

Wed 12/10

6:00 am-11:02 am

1 stop8h 02m

$399

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 11/25

7:05 am-6:16 pm

1 stop8h 11m

Harrisburg

Thu 12/11

6:00 am-11:02 am

1 stop8h 02m

$399

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 11/25

12:16 pm-11:11 pm

1 stop7h 55m

Harrisburg

Tue 12/9

6:00 am-11:02 am

1 stop8h 02m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 19 results
1
2

Compare providers for flights from Ontario to Harrisburg

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Harrisburg in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Have a flexible travel schedule? Discover the best time to fly to Harrisburg 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 Harrisburg

What is the cheapest month to book a flight from Ontario to Harrisburg?

Currently, August is the cheapest month in which you can book a flight from Ontario to Harrisburg (average of $93). Flying from Ontario to Harrisburg in December is currently the most expensive (average of $170). 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.

What is the cheapest time of day to fly from ONT to MDT?

Find hourly flight availability from Ontario to Harrisburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2025.

It’s typically best to fly out from Ontario to Harrisburg in the evening. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Harrisburg

Get insights into the airlines that provide service to Harrisburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harrisburg. Reviews last updated November 19, 2025.
Peruse reviews from past customers who have flown with American Airlines from Ontario to Harrisburg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,046 reviews

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,046 reviews
American Airlines
7.2
Good
11,046 reviews

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Ontario to Harrisburg. 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 Harrisburg?

    A quick flight from Ontario to Harrisburg can take about 8h 01m. Delta provides one of the quickest options available for as low as $349. Ontario and Harrisburg are separated by a distance of 2267 mi.

  • What is the cheapest airline to fly from Ontario to Harrisburg round-trip?

    Our cheapest airline available from Ontario to Harrisburg is American Airlines. Our recent data shows that you can find tickets from as low as $314 on this airline. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ontario to Harrisburg that include hotel bookings?

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

  • How can I find direct flights from Ontario to Harrisburg?

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

  • Can I find deals for business class flights from Ontario to Harrisburg?

    Yes. Cheapflights offers flight deals from Ontario to Harrisburg 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 Harrisburg?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Harrisburg (average of $93). Flying from Ontario to Harrisburg in December is currently the most expensive (average of $170). 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 Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Mechanicsburg
Hershey
Carlisle
Camp Hill

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Top airline flying from Ontario to Harrisburg

Discover the top airline that operate flights from Ontario to Harrisburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$475FlexibilityNo cancel feeOn-time71%

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