$294+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Jun 27 — Jul 41
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 May 28, 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 May 28, 2026.
This Delta deal was found by Cheapflights users on 5/27. 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 10/311:59 am
ONT
- MDT
1 stop8h 41m
Delta
Thu 10/152:56 pm
MDT
- ONT
1 stop10h 18m
Delta
Deal found 5/27![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 5/26. 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 8/1111:20 pm
ONT
- MDT
1 stop8h 14m
American Airlines
Mon 8/172:45 pm
MDT
- ONT
1 stop9h 26m
American Airlines
Deal found 5/26![American Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 5/25. 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 5/277:05 am
ONT
- MDT
1 stop7h 36m
Delta
Sat 5/302:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Deal found 5/25![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 5/24. 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.
Thu 8/2010:00 pm
ONT
- MDT
1 stop10h 08m
Delta
Mon 8/246:20 am
MDT
- ONT
2 stops8h 45m
Delta
Deal found 5/24![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 5/24. 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 8/1912:00 pm
ONT
- MDT
1 stop8h 43m
Delta
Sat 8/226:00 am
MDT
- ONT
1 stop7h 42m
Delta
Deal found 5/24![Delta logo]()
$435
This American Airlines deal was found by Cheapflights users on 5/24. 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 8/1912:33 pm
ONT
- MDT
1 stop7h 50m
American Airlines
Sun 8/235:51 pm
MDT
- ONT
1 stop7h 13m
American Airlines
Deal found 5/24![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 5/24. 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 8/1912:00 pm
ONT
- MDT
1 stop8h 43m
Delta
Sun 8/236:20 am
MDT
- ONT
2 stops8h 45m
Delta
Deal found 5/24![Delta logo]()
$449
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 May 28, 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 May 28, 2026.
This Delta deal was found by Cheapflights users on 5/27. 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 10/37:05 am
ONT
- MDT
2 stops13h 00m
Delta
Thu 10/152:56 pm
MDT
- ONT
1 stop10h 18m
Delta
Deal found 5/27![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/27. 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 11/37:00 am
ONT
- MDT
1 stop9h 30m
United Airlines
Sat 11/76:00 am
MDT
- ONT
2 stops14h 47m
United Airlines
Deal found 5/27![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 5/23. 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 9/17:00 am
ONT
- MDT
1 stop6h 52m
United Airlines
Sat 9/510:45 am
MDT
- ONT
2 stops14h 50m
United Airlines
Deal found 5/23![United Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 5/23. 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 7/610:00 pm
ONT
- MDT
1 stop9h 56m
Delta
Fri 7/1711:41 am
MDT
- ONT
1 stop9h 49m
Delta
Deal found 5/23![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/23. 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 8/216:00 am
ONT
- MDT
2 stops14h 30m
United Airlines
Sun 8/235:54 pm
MDT
- ONT
1 stop7h 41m
United Airlines
Deal found 5/23![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 5/27. 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 9/46:01 pm
ONT
- MDT
2 stops14h 48m
Delta
Mon 9/76:20 am
MDT
- ONT
2 stops8h 45m
Delta
Deal found 5/27![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 5/25. 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 7/1710:00 pm
ONT
- MDT
2 stops11h 03m
Delta
Mon 7/206:04 am
MDT
- ONT
1 stop7h 34m
Delta
Deal found 5/25![Delta logo]()
$543
Last-minute flights from Ontario to HarrisburgDiscover last-minute flight deals from Ontario to Harrisburg. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Harrisburg. Data last updated May 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/25. 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 5/277:05 am
ONT
- MDT
1 stop7h 36m
Delta
Sat 5/302:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Deal found 5/25![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 5/27. 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.
Thu 5/2812:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Sun 5/316:00 am
MDT
- ONT
1 stop7h 57m
Delta
Deal found 5/27![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 5/27. 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 5/285:44 am
ONT
- MDT
2 stops10h 18m
American Airlines
Sun 5/317:07 am
MDT
- ONT
1 stop9h 21m
American Airlines
Deal found 5/27![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/27. 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 6/210:22 am
ONT
- MDT
1 stop9h 20m
American Airlines
Mon 6/85:43 pm
MDT
- ONT
1 stop7h 53m
American Airlines
Deal found 5/27![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 5/27. 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 6/312:40 pm
ONT
- MDT
1 stop7h 02m
American Airlines
Wed 6/101:37 pm
MDT
- ONT
2 stops11h 20m
American Airlines
Deal found 5/27![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 5/24. 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 6/510:00 pm
ONT
- MDT
1 stop8h 28m
American Airlines
Tue 6/91:37 pm
MDT
- ONT
2 stops11h 20m
American Airlines
Deal found 5/24![American Airlines logo]()
$504
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 May 28, 2026.
Search for one-way flight options from Ontario to Harrisburg. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Sat 10/1712:35 pm
ONT
- MDT
1 stop7h 34m
American Airlines
Deal found 5/26![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 5/26. 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 10/176:32 pm
ONT
- MDT
2 stops12h 04m
United Airlines
Deal found 5/26![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 5/23. 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.
Mon 6/1512:41 pm
ONT
- MDT
1 stop7h 01m
American Airlines
Deal found 5/23![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 5/26. 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 7/85:45 am
ONT
- MDT
2 stops14h 45m
United Airlines
Deal found 5/26![United Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Sat 10/176:00 am
ONT
- MDT
3 stops30h 13m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 6/156:00 am
ONT
- MDT
3 stops52h 18m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 6/53:30 pm
ONT
- MDT
2 stops19h 48m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 6/43:30 pm
ONT
- MDT
2 stops43h 48m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$439
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 May 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Delta) |
One-way from | $294 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $314 |
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 May 28, 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
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sat 10/3
7:05 am-11:05 pm
2 stops13h 00m
Harrisburg
Thu 10/15
2:56 pm-10:14 pm
1 stop10h 18m
$374
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Tue 11/3
7:00 am-7:30 pm
1 stop9h 30m
Harrisburg
Sat 11/7
6:00 am-5:47 pm
2 stops14h 47m
$466
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Tue 9/1
7:00 am-4:52 pm
1 stop6h 52m
Harrisburg
Sat 9/5
10:45 am-10:35 pm
2 stops14h 50m
$466
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Mon 7/6
10:00 pm-10:56 am
1 stop9h 56m
Harrisburg
Fri 7/17
11:41 am-6:30 pm
1 stop9h 49m
$479
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Fri 8/21
6:00 am-11:30 pm
2 stops14h 30m
Harrisburg
Sun 8/23
5:54 pm-10:35 pm
1 stop7h 41m
$484
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Fri 9/4
6:01 pm-11:49 am
2 stops14h 48m
Harrisburg
Mon 9/7
6:20 am-12:05 pm
2 stops8h 45m
$527
Quickest round-trip
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Fri 7/17
10:00 pm-12:03 pm
2 stops11h 03m
Harrisburg
Mon 7/20
6:04 am-10:38 am
1 stop7h 34m
$543
Cheapest one-way
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sat 10/17
6:32 pm-9:36 am
2 stops12h 04m
$299
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Tue 7/7
6:02 am-12:22 am
2 stops15h 20m
$354
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Wed 7/8
5:45 am-11:30 pm
2 stops14h 45m
$354
Showing 1-10 of 17 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 May.
| 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.
Cheapflights Insights
Everything you need to know about your flight 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 May 28, 2026.
Peruse reviews from past customers who have flown with 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.
Crew
7.9
Entertainment
6.9
Food
6.4
Boarding
7.5
Comfort
7.2
Overall
7.1
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Crew
7.9
Entertainment
6.9
Food
6.4
Boarding
7.5
Comfort
7.2
Overall
7.1
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
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 locationsMechanicsburg
Hershey
Camp Hill
Carlisle
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Ontario and Harrisburg flights
Browse other Ontario and Harrisburg flight options. Last updated on May 28, 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 May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Harrisburg
Discover the top airline 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 May 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$314 | Average$483 | FlexibilityNo cancel fee | On-time71% |