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Harrisburg

$238+ Cheap flights from Ontario to Harrisburg (ONT - MDT)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$238
(Frontier)

Popular in

March

Cheapest in

January

Average price

$458
From Ontario to Harrisburg
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:18 pmONT - MDT
2 stops18h 54mFrontier
Mon 10/610:57 amMDT - ONT
2 stops14h 16mFrontier
Deal found 9/15$238
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/812:46 pmONT - MDT
1 stop7h 10mAmerican Airlines
Sun 11/166:20 amMDT - ONT
1 stop8h 33mAmerican Airlines
Deal found 9/15$334
This Delta deal was found by Cheapflights users on 9/15. 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 9/307:05 amONT - MDT
1 stop7h 23mDelta
Sat 10/46:00 amMDT - ONT
1 stop7h 42mDelta
Deal found 9/15$369
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/307:02 amONT - MDT
1 stop6h 50mUnited Airlines
Sat 10/46:30 amMDT - ONT
2 stops9h 21mUnited Airlines
Deal found 9/15$374
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/277:00 amONT - MDT
1 stop6h 53mUnited Airlines
Mon 12/156:30 amMDT - ONT
2 stops14h 07mUnited Airlines
Deal found 9/16$384
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/37:02 amONT - MDT
1 stop9h 55mUnited Airlines
Mon 10/65:48 pmMDT - ONT
1 stop7h 42mUnited Airlines
Deal found 9/15$388
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/310:34 pmONT - MDT
1 stop7h 27mAmerican Airlines
Sat 12/133:48 pmMDT - ONT
1 stop8h 19mAmerican Airlines
Deal found 9/16$409
This Delta deal was found by Cheapflights users on 9/14. 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 9/2411:55 amONT - MDT
1 stop8h 51mDelta
Sat 10/46:00 amMDT - ONT
1 stop7h 42mDelta
Deal found 9/14$414

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 September 17, 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

Sat 11/8

12:46 pm-10:56 pm

1 stop7h 10m

Harrisburg

Sun 11/16

6:20 am-11:53 am

1 stop8h 33m

$334

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 9/30

7:05 am-5:28 pm

1 stop7h 23m

Harrisburg

Sat 10/4

6:00 am-10:42 am

1 stop7h 42m

$369

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 10/2

6:27 pm-9:29 am

2 stops12h 02m

Harrisburg

Mon 10/6

5:48 pm-10:30 pm

1 stop7h 42m

$374

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Fri 10/24

10:57 am-11:13 pm

1 stop9h 16m

Harrisburg

Sun 10/26

6:51 am-11:58 am

1 stop8h 07m

$374

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 9/30

7:02 am-4:52 pm

1 stop6h 50m

Harrisburg

Sat 10/4

6:30 am-12:51 pm

2 stops9h 21m

$374

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 11/27

7:00 am-4:53 pm

1 stop6h 53m

Harrisburg

Tue 12/16

6:30 am-5:37 pm

2 stops14h 07m

$384

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 11/27

7:00 am-4:53 pm

1 stop6h 53m

Harrisburg

Thu 12/11

10:40 am-9:49 pm

2 stops14h 09m

$384

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Sat 9/27

11:55 am-11:46 pm

1 stop8h 51m

Harrisburg

Tue 9/30

6:00 am-10:42 am

1 stop7h 42m

$414

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 11/27

7:00 am-4:53 pm

1 stop6h 53m

Harrisburg

Sat 12/13

6:30 am-5:37 pm

2 stops14h 07m

$414

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Tue 11/4

6:38 pm-10:06 am

2 stops12h 28m

Harrisburg

Tue 11/18

8:15 am-5:34 pm

2 stops12h 19m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 17 results
1
2

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 $347). Flying from Ontario to Harrisburg in November is currently the most expensive (average of $408). 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 September 17, 2025.

It’s typically best to fly out from Ontario to Harrisburg at noon. Doing so could potentially save you 18% on the flight price compared to flying in the morning, 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 September 17, 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
10,000 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

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 7h 10m. American Airlines provides one of the quickest options available for as low as $334. Ontario and Harrisburg are separated by a distance of 2267 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Harrisburg one-way?

    The cheapest airlines for a one-way flight from Ontario to Harrisburg are United Airlines ($393), Alaska Airlines ($397), and Delta ($604).

  • 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 $347). Flying from Ontario to Harrisburg in November is currently the most expensive (average of $408). 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
Carlisle
Mechanicsburg
Hershey
Camp Hill

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Alternative routes for Ontario to Harrisburg

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$479FlexibilityNo cancel feeOn-time71%

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