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$244+ Cheap flights from Harrisburg to Ontario (MDT - ONT)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$309
(Delta)

One-way from

$244
(Kiwi.com)

Popular in

October

Cheapest in

April

Average price

$408
From Harrisburg to Ontario
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One-way flight from Harrisburg to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

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.
Thu 11/136:20 amMDT - ONT
1 stop10h 44mAmerican Airlines
Sat 11/1510:47 amONT - MDT
1 stop9h 09mAmerican Airlines
Deal found 9/15$309
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.
Thu 11/136:20 amMDT - ONT
1 stop10h 44mAmerican Airlines
Sun 11/167:30 pmONT - MDT
2 stops11h 54mAmerican Airlines
Deal found 9/15$339
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.
Thu 10/26:23 amMDT - ONT
1 stop9h 56mAmerican Airlines
Sun 10/57:16 pmONT - MDT
2 stops11h 40mAmerican Airlines
Deal found 9/15$374
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.
Thu 10/26:30 amMDT - ONT
2 stops9h 21mUnited Airlines
Sun 10/56:36 pmONT - MDT
2 stops11h 53mUnited Airlines
Deal found 9/15$399
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 11/48:15 amMDT - ONT
2 stops12h 19mUnited Airlines
Sat 11/87:00 amONT - MDT
1 stop9h 15mUnited Airlines
Deal found 9/15$414
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.
Wed 10/155:48 pmMDT - ONT
1 stop7h 42mUnited Airlines
Wed 10/226:36 pmONT - MDT
2 stops12h 38mUnited Airlines
Deal found 9/15$444
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:33 pmMDT - ONT
2 stops11h 19mUnited Airlines
Tue 10/216:36 pmONT - MDT
2 stops12h 38mUnited Airlines
Deal found 9/14$449
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:48 pmMDT - ONT
1 stop7h 42mUnited Airlines
Mon 10/206:36 pmONT - MDT
2 stops11h 53mUnited Airlines
Deal found 9/14$457
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 9/305:48 pmMDT - ONT
1 stop7h 42mUnited Airlines
Sat 10/45:05 amONT - MDT
2 stops13h 20mUnited Airlines
Deal found 9/15$474

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 September 15, 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

Thu 11/13

2:55 pm-9:59 pm

2 stops10h 04m

Ontario

Sat 11/15

6:11 am-7:41 pm

2 stops10h 30m

$319

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 11/13

6:20 am-2:04 pm

1 stop10h 44m

Ontario

Sun 11/16

7:30 pm-10:24 am

2 stops11h 54m

$339

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 10/2

6:23 am-1:19 pm

1 stop9h 56m

Ontario

Sun 10/5

7:16 pm-9:56 am

2 stops11h 40m

$374

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 1/8

3:25 pm-10:26 pm

1 stop10h 01m

Ontario

Tue 1/20

7:00 am-4:34 pm

1 stop6h 34m

$409

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 2/28

3:33 pm-8:24 pm

1 stop7h 51m

Ontario

Wed 3/4

11:05 am-10:20 pm

1 stop8h 15m

$409

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Wed 10/15

5:48 pm-10:30 pm

1 stop7h 42m

Ontario

Wed 10/22

6:36 pm-10:14 am

2 stops12h 38m

$444

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Tue 11/4

8:15 am-5:34 pm

2 stops12h 19m

Ontario

Sat 11/8

5:05 am-9:04 pm

2 stops12h 59m

$449

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 11/8

6:30 am-5:34 pm

2 stops14h 04m

Ontario

Wed 11/12

6:38 pm-10:06 am

2 stops12h 28m

$449

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 10/4

2:33 pm-10:52 pm

2 stops11h 19m

Ontario

Mon 10/6

6:36 pm-10:14 am

2 stops12h 38m

$449

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Tue 9/30

5:48 pm-10:30 pm

1 stop7h 42m

Ontario

Sat 10/4

5:05 am-9:25 pm

2 stops13h 20m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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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 September 15, 2025.
See what other customers who have flown with Delta and American 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How long is the flight from Harrisburg to Ontario?

    For as low as $409, American Airlines can have you in Ontario from Harrisburg in 10h 01m. Harrisburg and Ontario are separated by a distance of 2267 mi. This flight may include one or multiple stops.

  • 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 $296. Another option worth looking into is American Airlines, starting at $308 round trip. Delta 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 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.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$296Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$441FlexibilityNo cancel feeOn-time71%

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