Ontario

$303+ Cheap flights from Harrisburg to Ontario (MDT - ONT)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Aug 4 — Aug 111
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Cheap flight deals from Harrisburg to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 July 30, 2025.

Round-trip from

$303
(Delta)

Popular in

October

Cheapest in

April

Average price

$486
From Harrisburg to Ontario
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Harrisburg to Ontario

Cheapest flights from Harrisburg to Ontario
Explore the most affordable flight options available from Harrisburg to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 8/306:00 amMDT - ONT
1 stop7h 20mDelta
Sat 9/611:45 amONT - MDT
1 stop8h 44mDelta
Deal found 7/29$303
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/198:48 amMDT - ONT
2 stops12h 04mAmerican Airlines
Fri 9/56:10 amONT - MDT
2 stops13h 32mAmerican Airlines
Deal found 7/29$319
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/302:24 pmMDT - ONT
2 stops11h 06mUnited Airlines
Wed 9/37:00 amONT - MDT
1 stop9h 52mUnited Airlines
Deal found 7/29$384

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg 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 July 30, 2025.
Use the filters below to find and compare flights from Harrisburg to Ontario that are best for you.

Fly from

Harrisburg

Fly to

Ontario

Route

Depart

Return

Price

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 8/30

6:00 am-10:20 am

1 stop7h 20m

Ontario

Sat 9/6

11:45 am-11:29 pm

1 stop8h 44m

$303

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Tue 8/19

8:48 am-5:52 pm

2 stops12h 04m

Ontario

Fri 9/5

6:10 am-10:42 pm

2 stops13h 32m

$319

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 8/30

2:24 pm-10:30 pm

2 stops11h 06m

Ontario

Wed 9/3

7:00 am-7:52 pm

1 stop9h 52m

$384

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 10/2

6:00 am-2:12 pm

2 stops11h 12m

Ontario

Mon 10/6

7:47 pm-11:10 am

2 stops12h 23m

$599

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Fri 9/12

4:45 pm-9:24 pm

1 stop7h 39m

$332

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Mon 9/29

5:48 pm-10:30 pm

1 stop7h 42m

$382

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Fri 9/12

6:00 am-2:12 pm

2 stops11h 12m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Harrisburg to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Harrisburg to Ontario (average of $246). Flying from Harrisburg to Ontario in March is currently the most expensive (average of $328). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 30, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Harrisburg to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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 Harrisburg to Ontario. 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 Harrisburg to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $303. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $319 and $384, respectively. Delta 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 Harrisburg to Ontario one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $332. Delta flights start at $364 while deals on United Airlines start at $382 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Harrisburg to Ontario (average of $246). Flying from Harrisburg to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for Harrisburg to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Harrisburg to Ontario

Discover the top 2 airlines that operate flights from Harrisburg to Ontario. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$428FlexibilityNo cancel feeOn-time71%

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