$228+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MDT
Jun 12 — Jun 191
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 13, 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 13, 2026.
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 10/612:00 pm
ONT
- MDT
1 stop8h 38m
Delta
Wed 10/212:56 pm
MDT
- ONT
1 stop10h 18m
Delta
Deal found 5/12![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/9. 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 8/1811:25 pm
ONT
- MDT
1 stop9h 43m
American Airlines
Tue 8/252:45 pm
MDT
- ONT
1 stop9h 26m
American Airlines
Deal found 5/9![American Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/2612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Sat 5/302:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Deal found 5/11![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 5/11. 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 5/1612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Mon 5/256:00 am
MDT
- ONT
1 stop7h 57m
Delta
Deal found 5/11![Delta logo]()
$451
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/266:30 pm
ONT
- MDT
2 stops12h 10m
United Airlines
Sat 5/305:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Deal found 5/11![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/276:30 am
ONT
- MDT
1 stop10h 17m
United Airlines
Sun 5/315:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Deal found 5/12![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 5/12. 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 6/157:05 am
ONT
- MDT
1 stop7h 32m
Delta
Fri 7/316:04 am
MDT
- ONT
1 stop7h 34m
Delta
Deal found 5/12![Delta 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 May 13, 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 13, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/2612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Sat 5/302:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Deal found 5/11![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 5/12. 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 6/512:41 pm
ONT
- MDT
1 stop7h 01m
American Airlines
Sat 6/135:43 pm
MDT
- ONT
1 stop7h 53m
American Airlines
Deal found 5/12![American Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 5/8. 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 8/55:45 am
ONT
- MDT
2 stops14h 45m
United Airlines
Wed 8/1910:45 am
MDT
- ONT
2 stops12h 16m
United Airlines
Deal found 5/8![United Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/26:39 pm
ONT
- MDT
2 stops12h 01m
United Airlines
Mon 6/87:59 pm
MDT
- ONT
2 stops29h 38m
United Airlines
Deal found 5/9![United Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/316:30 pm
ONT
- MDT
2 stops12h 10m
United Airlines
Sat 6/65:52 pm
MDT
- ONT
1 stop7h 59m
United Airlines
Deal found 5/9![United Airlines logo]()
$684
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/235:00 am
ONT
- MDT
2 stops11h 47m
United Airlines
Tue 5/266:30 am
MDT
- ONT
2 stops14h 26m
United Airlines
Deal found 5/8![United Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/95:45 am
ONT
- MDT
2 stops14h 45m
United Airlines
Fri 6/125:52 pm
MDT
- ONT
1 stop7h 59m
United Airlines
Deal found 5/8![United Airlines logo]()
$783
Last-minute flights from Ontario to HarrisburgDiscover last-minute flight deals from Ontario to Harrisburg. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Harrisburg. Data last updated May 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/11. 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 5/1612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Mon 5/256:00 am
MDT
- ONT
1 stop7h 57m
Delta
Deal found 5/11![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 5/11. 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.
Tue 5/2612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Sat 5/302:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Deal found 5/11![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/266:30 pm
ONT
- MDT
2 stops12h 10m
United Airlines
Sat 5/305:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Deal found 5/11![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/276:30 am
ONT
- MDT
1 stop10h 17m
United Airlines
Sun 5/315:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Deal found 5/12![United Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/37:12 pm
ONT
- MDT
2 stops11h 56m
American Airlines
Wed 6/105:43 pm
MDT
- ONT
1 stop7h 53m
American Airlines
Deal found 5/11![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 5/12. 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 6/57:13 pm
ONT
- MDT
2 stops11h 55m
American Airlines
Sat 6/135:43 pm
MDT
- ONT
1 stop7h 53m
American Airlines
Deal found 5/12![American Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 5/12. 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 6/157:05 am
ONT
- MDT
1 stop7h 32m
Delta
Fri 7/316:04 am
MDT
- ONT
1 stop7h 34m
Delta
Deal found 5/12![Delta logo]()
$469
This American Airlines deal was found by Cheapflights users on 5/8. 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 6/307:13 pm
ONT
- MDT
2 stops11h 15m
American Airlines
Fri 7/35:43 pm
MDT
- ONT
1 stop7h 51m
American Airlines
Deal found 5/8![American Airlines logo]()
$518
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 13, 2026.
Search for one-way flight options from Ontario to Harrisburg. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 7/295:43 pm
ONT
- MDT
3 stops44h 09m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/275:43 pm
ONT
- MDT
3 stops44h 07m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 5/8. 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 7/297:14 pm
ONT
- MDT
2 stops12h 57m
American Airlines
Deal found 5/8![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 5/12. 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 6/157:05 am
ONT
- MDT
1 stop7h 32m
Delta
Deal found 5/12![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/156:30 pm
ONT
- MDT
2 stops12h 10m
United Airlines
Deal found 5/12![United Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/153:34 pm
ONT
- MDT
3 stops42h 44m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/12![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 5/8. 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 9/127:00 am
ONT
- MDT
1 stop9h 30m
United Airlines
Deal found 5/8![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/11. 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 7/75:45 am
ONT
- MDT
2 stops14h 45m
United Airlines
Deal found 5/11![United Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sun 6/213:34 pm
ONT
- MDT
3 stops21h 07m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/306:30 am
ONT
- MDT
1 stop10h 17m
United Airlines
Deal found 5/9![United Airlines logo]()
$405
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $351 (Delta) |
One-way from | $228 (Kiwi.com) |
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 13, 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
Tue 5/26
12:07 pm-11:51 pm
1 stop8h 44m
Harrisburg
Sat 5/30
2:00 pm-6:36 pm
1 stop7h 36m
$449
Quickest round-trip
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Fri 6/5
12:41 pm-10:42 pm
1 stop7h 01m
Harrisburg
Sat 6/13
5:43 pm-10:36 pm
1 stop7h 53m
$505
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Wed 8/5
5:45 am-11:30 pm
2 stops14h 45m
Harrisburg
Wed 8/19
10:45 am-8:01 pm
2 stops12h 16m
$587
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Tue 6/2
6:39 pm-9:40 am
2 stops12h 01m
Harrisburg
Mon 6/8
7:59 pm-10:37 pm
2 stops29h 38m
$612
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sun 5/31
6:30 pm-9:40 am
2 stops12h 10m
Harrisburg
Sat 6/6
5:52 pm-10:51 pm
1 stop7h 59m
$684
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sat 5/23
5:00 am-7:47 pm
2 stops11h 47m
Harrisburg
Tue 5/26
6:30 am-5:56 pm
2 stops14h 26m
$750
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Tue 6/9
5:45 am-11:30 pm
2 stops14h 45m
Harrisburg
Fri 6/12
5:52 pm-10:51 pm
1 stop7h 59m
$783
Cheapest one-way
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Mon 6/15
6:30 pm-9:40 am
2 stops12h 10m
$299
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sat 9/12
5:45 am-11:25 pm
2 stops14h 40m
$354
OntarioHarrisburg
ONT - MDT
ONTMDT
Ontario
Sat 5/30
6:00 am-11:59 pm
2 stops14h 59m
$410
Showing 1-10 of 18 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.
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 13, 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
Food
6.4
Comfort
7.2
Entertainment
6.9
Boarding
7.5
Overall
7.1
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Crew
7.9
Food
6.4
Comfort
7.2
Entertainment
6.9
Boarding
7.5
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 13, 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 13, 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$314 | Average$424 | FlexibilityNo cancel fee | On-time71% |