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Ontario

$324+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:41 amMDT - ONT
2 stops11h 47mAmerican Airlines
Tue 1/69:59 amONT - MDT
2 stops10h 51mAmerican Airlines
Deal found 12/14$559
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/225:24 pmMDT - ONT
1 stop8h 01mUnited Airlines
Sun 12/2811:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/15$629
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/213:15 pmMDT - ONT
1 stop10h 10mUnited Airlines
Tue 12/3011:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/15$669
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/256:30 amMDT - ONT
2 stops9h 08mUnited Airlines
Tue 12/3011:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/15$674
This Delta deal was found by Cheapflights users on 12/14. 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.
Mon 12/225:51 pmMDT - ONT
1 stop8h 32mDelta
Wed 12/3111:15 amONT - MDT
1 stop9h 21mDelta
Deal found 12/14$687
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/223:15 pmMDT - ONT
1 stop10h 10mUnited Airlines
Tue 12/3011:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/14$688
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/205:24 pmMDT - ONT
1 stop8h 01mUnited Airlines
Sat 12/2711:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/16$728
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/213:15 pmMDT - ONT
1 stop10h 10mUnited Airlines
Mon 12/2911:59 pmONT - MDT
1 stop7h 14mUnited Airlines
Deal found 12/15$778

Find 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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(American Airlines)

Popular in

June

Cheapest in

April

Average price

$398
Provider with most accurate pricing for Harrisburg-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Ontario flights.
Search Deals
From Harrisburg to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 16, 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

Wed 2/18

6:16 am-1:54 pm

1 stop10h 38m

Ontario

Sat 2/28

11:59 pm-11:33 am

2 stops8h 34m

$324

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Wed 1/21

6:00 am-11:31 am

1 stop8h 31m

Ontario

Tue 1/27

12:41 pm-11:26 pm

1 stop7h 45m

$329

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Wed 1/21

10:34 am-9:58 pm

2 stops14h 24m

Ontario

Tue 1/27

5:05 am-9:05 pm

2 stops13h 00m

$439

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sat 1/10

6:30 am-12:47 pm

2 stops9h 17m

Ontario

Tue 1/13

5:05 am-9:05 pm

2 stops13h 00m

$439

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Sun 2/8

2:28 pm-10:53 pm

2 stops11h 25m

Ontario

Sat 2/14

5:00 am-4:44 pm

2 stops8h 44m

$469

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Tue 3/10

5:36 pm-10:25 pm

1 stop7h 49m

Ontario

Tue 3/17

5:15 am-9:05 pm

2 stops12h 50m

$513

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Wed 5/6

5:31 pm-10:26 pm

1 stop7h 55m

$392

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 5/7

11:13 am-10:38 pm

2 stops14h 25m

$397

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Thu 5/7

10:35 am-10:52 pm

2 stops15h 17m

$397

HarrisburgOntario

MDT - ONT

MDTONT

Harrisburg

Fri 1/9

10:48 am-8:58 pm

2 stops13h 10m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 15 results
1
2

Compare providers for flights from Harrisburg to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harrisburg-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harrisburg-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Harrisburg to Ontario (average of $70). Flying from Harrisburg to Ontario in December is currently the most expensive (average of $168). 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 December 16, 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
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

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
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

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
11,049 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

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 $329, American Airlines can have you in Ontario from Harrisburg in 8h 31m. 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 $276. Another option worth looking into is American Airlines, starting at $308 round trip. Delta is priced at 31% 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, January is the cheapest month in which you can book a flight from Harrisburg to Ontario (average of $70). Flying from Harrisburg to Ontario in December is currently the most expensive (average of $168). 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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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$373FlexibilityNo cancel feeOn-time71%

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