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$213+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
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 julio 1, 2025.

Round-trip from

$509
(United Airlines)

One-way from

$213
(Frontier)

Popular in

March

Cheapest in

January

Average price

$484
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. 18% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
mié. 7/912:46 pmONT - MDT
1 stop7h 36mAmerican Airlines
mié. 7/166:25 amMDT - ONT
1 stop10h 22mAmerican Airlines
Deal found 6/30$414
This Delta deal was found by Cheapflights users on 6/30. 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.
jue. 7/311:49 amONT - MDT
1 stop9h 09mDelta
lun. 7/76:00 amMDT - ONT
1 stop7h 30mDelta
Deal found 6/30$499
This United Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 9/27:00 amONT - MDT
1 stop6h 52mUnited Airlines
jue. 9/46:45 amMDT - ONT
2 stops8h 47mUnited Airlines
Deal found 7/1$514
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
mié. 7/24:00 pmONT - MDT
2 stops14h 48mAlaska Airlines
sáb. 7/125:30 amMDT - ONT
2 stops15h 27mAlaska Airlines
Deal found 6/30$870

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 julio 1, 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

mar. 9/2

7:00 am-4:52 pm

1 stop6h 52m

Harrisburg

jue. 9/4

5:48 pm-10:30 pm

1 stop7h 42m

$509

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

jue. 7/31

4:00 pm-9:53 am

2 stops14h 53m

Harrisburg

dom. 8/3

5:30 am-2:46 pm

2 stops12h 16m

$893

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

dom. 8/24

5:09 pm-9:58 am

2 stops13h 49m

$213

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

jue. 7/24

6:39 pm-11:48 am

2 stops14h 09m

$310

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

dom. 7/6

7:05 am-5:30 pm

1 stop7h 25m

$464

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

dom. 7/6

9:45 pm-9:53 am

2 stops9h 08m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 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 julio 1, 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.

How much does it cost to fly round-trip from Ontario to Harrisburg?

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 julio 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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
3,291 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

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 United Airlines. Our recent data shows that you can find tickets from as low as $509 on this airline. An additional option worth looking into is Alaska Airlines, starting at $893.

  • 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 Frontier ($213), 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 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 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

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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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$476FlexibilityNo cancel feeOn-time71%
DeltaCheapest$337Average$588FlexibilityNo cancel feeOn-timeN/A

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