$373+ Cheap flights from Ontario to Harrisburg (ONT - MDT)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Harrisburg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Harrisburg
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Best
Last-minute
One-way
Cheapest flights from Ontario to HarrisburgExplore 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 September 21, 2026.
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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Wed 11/1110:30 pm -
1 stop7h 50m
Sat 11/147:11 am -
1 stop7h 41m
Deal found 9/18![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Wed 11/187:11 am -
1 stop9h 21m
Deal found 9/21![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/117:00 am -
2 stops13h 06m
Sat 11/1412:09 pm -
2 stops13h 51m
Deal found 9/18![Delta logo]()
$391
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Thu 11/268:00 am -
2 stops12h 13m
Deal found 9/20![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/1510:10 pm -
1 stop8h 01m
Tue 10/206:08 am -
2 stops10h 22m
Deal found 9/18![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Tue 11/243:28 pm -
1 stop10h 52m
Deal found 9/21![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Fri 11/2012:45 pm -
1 stop7h 06m
Sun 11/223:28 pm -
1 stop10h 52m
Deal found 9/20![American Airlines logo]()
$469
Best flights from Ontario to HarrisburgDiscover carefully curated flight deals from Ontario to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Ontario to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This Delta deal was found by Cheapflights users on 9/19. 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 10/2412:16 pm -
1 stop8h 23m
Sat 10/316:00 am -
1 stop8h 06m
Deal found 9/19![Delta logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/20. 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 2/67:00 am -
1 stop9h 05m
Tue 2/92:30 pm -
2 stops8h 50m
Deal found 9/20![United Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 9/19. 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.
Fri 10/212:19 pm -
1 stop8h 21m
Sat 10/312:30 pm -
1 stop9h 11m
Deal found 9/19![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/26:32 pm -
2 stops12h 19m
Sun 10/46:15 am -
2 stops12h 07m
Deal found 9/17![United Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/37:00 am -
1 stop6h 52m
Wed 10/75:54 pm -
1 stop7h 55m
Deal found 9/18![United Airlines logo]()
$609
Last-minute flights from Ontario to HarrisburgDiscover last-minute flight deals from Ontario to Harrisburg. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Harrisburg. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Wed 11/187:11 am -
1 stop9h 21m
Deal found 9/21![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Thu 11/268:00 am -
2 stops12h 13m
Deal found 9/20![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/1412:43 pm -
1 stop7h 16m
Tue 11/243:28 pm -
1 stop10h 52m
Deal found 9/21![American Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/147:00 am -
1 stop6h 52m
Thu 11/268:15 am -
1 stop10h 44m
Deal found 9/20![United Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/1510:10 pm -
1 stop8h 01m
Tue 10/206:08 am -
2 stops10h 22m
Deal found 9/18![American Airlines logo]()
$435
One-way flights from Ontario to HarrisburgSearch for one-way flight options from Ontario to Harrisburg. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Ontario to Harrisburg. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:15 am -
3 stops25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 9/17. 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 10/1012:16 pm -
1 stop8h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 11/2712:18 pm -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/16:57 am -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:55 am -
3 stops49h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:52 am -
3 stops44h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/37:00 am -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/91:24 pm -
2 stops21h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/237:00 am -
1 stop27h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$521
Find 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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $381 (American Airlines) |
One-way from | $373 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $618 |
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 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from Ontario to Harrisburg that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Sat 10/10
12:16 pm-11:39 pm
1 stop8h 23m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$389
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Tue 2/16
12:00 pm-11:38 pm
1 stop8h 38m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$389
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Tue 11/17
5:00 am-6:57 pm
2 stops10h 57m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Sun 11/1
5:00 am-6:57 pm
2 stops10h 57m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Tue 2/16
6:00 am-9:20 pm
2 stops12h 20m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Mon 2/15
6:53 pm-9:35 am
2 stops11h 42m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$445
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Fri 10/9
1:24 pm-1:27 pm
2 stops21h 03m
Harrisburg
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$511
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Sat 10/24
12:16 pm-11:39 pm
1 stop8h 23m
Harrisburg
Sat 10/31
6:00 am-11:06 am
1 stop8h 06m
$511
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Sat 2/6
7:00 am-7:05 pm
1 stop9h 05m
Harrisburg
Tue 2/9
2:30 pm-8:20 pm
2 stops8h 50m
$516
OntarioHarrisburg
ONT Ontario - MDT Harrisburg
ONTMDT
Ontario
Fri 10/2
12:19 pm-11:40 pm
1 stop8h 21m
Harrisburg
Sat 10/3
12:30 pm-6:41 pm
1 stop9h 11m
$529
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Ontario to Harrisburg
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 Ontario to Harrisburg in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Harrisburg flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Harrisburg flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Harrisburg flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Harrisburg flights, Cheapflights users trust FlightHub the most. FlightHub 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 Ontario-Harrisburg 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 Ontario to Harrisburg
Have a flexible travel schedule? Discover the best time to fly to Harrisburg from Ontario with our price prediction graph.
ONT-MDT
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.
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 September 21, 2026.
Peruse reviews from past customers who have flown with United Airlines and American 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.
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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.
Traveling to a place near Harrisburg?
Book flights to Harrisburg if you plan to visit one of these locationsHershey
Mechanicsburg
Camp Hill
Carlisle
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Complete your trip
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Find flights from Ontario to Harrisburg, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Harrisburg flights
Browse other Ontario and Harrisburg flight options. Last updated on September 21, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$339 | Average$583 | FlexibilityNo cancel fee | On-time71% |