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$255+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$309
(Delta)

One-way from

$255
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$663
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 ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 9/911:45 amONT - MDT
1 stop7h 39mDelta
Tue 9/235:58 pmMDT - ONT
1 stop7h 43mDelta
Deal found 6/11$309
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/66:39 pmONT - MDT
2 stops12h 06mUnited Airlines
Wed 8/206:30 amMDT - ONT
2 stops9h 02mUnited Airlines
Deal found 6/11$319
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/56:53 pmONT - MDT
2 stops11h 54mAmerican Airlines
Wed 7/96:25 amMDT - ONT
1 stop8h 31mAmerican Airlines
Deal found 6/10$384
This Frontier deal was found by Cheapflights users on 6/12. 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.
Sat 6/285:13 pmONT - MDT
2 stops13h 50mFrontier
Sat 7/511:23 amMDT - ONT
2 stops15h 27mFrontier
Deal found 6/12$518
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:00 amONT - MDT
2 stops14h 56mAlaska Airlines
Thu 8/215:00 amMDT - ONT
2 stops12h 09mAlaska Airlines
Deal found 6/11$737

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 June 12, 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

Tue 9/9

11:45 am-10:24 pm

1 stop7h 39m

Harrisburg

Sat 9/27

6:00 am-11:24 am

1 stop8h 24m

$309

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Wed 8/6

6:39 pm-9:45 am

2 stops12h 06m

Harrisburg

Wed 8/20

6:30 am-12:32 pm

2 stops9h 02m

$319

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Sat 7/5

6:53 pm-9:47 am

2 stops11h 54m

Harrisburg

Wed 7/9

6:25 am-11:56 am

1 stop8h 31m

$384

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Sat 6/28

5:13 pm-10:03 am

2 stops13h 50m

Harrisburg

Sat 7/5

11:23 am-11:50 pm

2 stops15h 27m

$518

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 8/14

6:00 am-11:56 pm

2 stops14h 56m

Harrisburg

Thu 8/21

5:00 am-2:09 pm

2 stops12h 09m

$737

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Thu 7/10

12:46 pm-11:22 pm

1 stop7h 36m

$255

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Mon 7/21

6:39 pm-11:48 am

2 stops14h 09m

$310

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

Wed 6/25

10:05 pm-11:09 am

1 stop10h 04m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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, January is the cheapest month in which you can book a flight from Ontario to Harrisburg (average of $355). Flying from Ontario to Harrisburg in July is currently the most expensive (average of $425). 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 June 12, 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.

Rainfall in Harrisburg by month

Plan your trip to Harrisburg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Harrisburg ranges from 2.7 - 4.1 inches per month. May is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Harrisburg when rainfall is around 2.7 in.

Temperature in Harrisburg by month

Plan your trip to Harrisburg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Harrisburg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Ontario to Harrisburg, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Ontario to Harrisburg round-trip?

    Our cheapest airline available from Ontario to Harrisburg is Delta. Our recent data shows that you can find tickets from as low as $309 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $319 and $384 round-trip. Delta is priced at 39% 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 American Airlines ($255), United Airlines ($310), and Delta ($464).

  • 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, January is the cheapest month in which you can book a flight from Ontario to Harrisburg (average of $355). Flying from Ontario to Harrisburg in July is currently the most expensive (average of $425). 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 Ontario?

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

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Alternative routes for Ontario to Harrisburg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Harrisburg

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$483FlexibilityNo cancel feeOn-time71%
DeltaCheapest$337Average$658FlexibilityNo cancel feeOn-timeN/A

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