$389+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg to Ontario 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 Harrisburg to Ontario
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Best
Last-minute
One-way
Cheapest flights from Harrisburg to OntarioExplore 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 24, 2026.
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 24, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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 11/187:11 am -
1 stop9h 21m
Sun 11/227:45 pm -
2 stops10h 38m
Deal found 9/22![American Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Sun 11/225:46 pm -
1 stop8h 34m
Sun 12/610:30 pm -
1 stop8h 47m
Deal found 9/22![American Airlines logo]()
$399
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.
Sat 10/36:29 am -
1 stop8h 18m
Sun 10/1810:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$441
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.
Sun 10/45:00 am -
2 stops10h 06m
Sun 10/1810:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 9/22. 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 11/213:28 pm -
1 stop10h 52m
Fri 11/2710:30 pm -
1 stop7h 07m
Deal found 9/22![American Airlines logo]()
$481
Best flights from Harrisburg to OntarioDiscover carefully curated flight deals from Harrisburg to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Harrisburg to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Delta deal was found by Cheapflights users on 9/24. 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 12/166:00 am -
1 stop8h 07m
Wed 1/612:00 pm -
1 stop8h 38m
Deal found 9/24![Delta logo]()
$510
This United Airlines deal was found by Cheapflights users on 9/22. 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 1/128:32 am -
2 stops12h 15m
Tue 1/196:53 pm -
2 stops12h 02m
Deal found 9/22![United Airlines logo]()
$521
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:34 am -
2 stops12h 31m
Sun 12/66:00 am -
2 stops13h 15m
Deal found 9/24![Alaska Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 9/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:17 am -
2 stops9h 17m
Tue 12/85:00 am -
2 stops10h 43m
Deal found 9/24![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 9/24. 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 12/166:00 am -
1 stop8h 07m
Fri 1/87:00 am -
1 stop7h 08m
Deal found 9/24![Delta logo]()
$549
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:54 pm -
1 stop7h 55m
Wed 10/285:00 am -
2 stops10h 57m
Deal found 9/21![United Airlines logo]()
$565
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.
Thu 2/116:00 am -
2 stops12h 27m
Mon 2/156:53 pm -
2 stops11h 42m
Deal found 9/20![United Airlines logo]()
$629
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 10/105:54 pm -
1 stop7h 55m
Sun 10/117:00 am -
1 stop6h 52m
Deal found 9/19![United Airlines logo]()
$737
Last-minute flights from Harrisburg to OntarioDiscover last-minute flight deals from Harrisburg to Ontario. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Ontario. Data last updated September 24, 2026 and is based on user searches.
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.
Sat 10/36:29 am -
1 stop8h 18m
Sun 10/1810:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$441
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.
Sat 10/36:29 am -
1 stop9h 56m
Sun 10/1110:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$543
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.
Sun 10/45:00 am -
2 stops10h 06m
Sun 10/1810:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$444
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.
Mon 10/53:11 pm -
2 stops10h 42m
Sun 10/1810:10 pm -
1 stop8h 01m
Deal found 9/20![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/73:28 pm -
1 stop10h 31m
Sun 10/1110:10 pm -
1 stop8h 01m
Deal found 9/22![American Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/245:54 pm -
1 stop7h 57m
Sat 10/316:59 am -
1 stop8h 58m
Deal found 9/23![United Airlines logo]()
$511
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:54 pm -
1 stop7h 57m
Wed 10/285:00 am -
2 stops10h 57m
Deal found 9/21![United Airlines logo]()
$516
One-way flights from Harrisburg to OntarioSearch for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/215:46 pm -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:08 am -
2 stops14h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$445
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/116:00 am -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$450
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.
Fri 2/125:31 pm -
1 stop28h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sat 11/2112:14 pm -
3 stops45h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/311:53 am -
3 stops50h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$498
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:54 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/132:08 pm -
1 stop11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$521
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 10/116:25 am -
1 stop19h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$587
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $395 (American Airlines) |
One-way from | $389 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $417 |
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 7,457,451 searches. Data last updated September 24, 2026.
Use the filters below to find and compare flights from Harrisburg to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sat 11/21
5:46 pm-11:20 pm
1 stop8h 34m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Thu 11/12
10:42 am-8:15 pm
2 stops12h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$445
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Tue 10/13
6:08 am-6:00 pm
2 stops14h 52m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$445
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Fri 2/12
5:31 pm-6:39 pm
1 stop28h 08m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$458
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sat 10/3
11:53 am-11:22 am
3 stops50h 29m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$498
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Wed 12/16
6:00 am-11:07 am
1 stop8h 07m
Ontario
Wed 1/6
12:00 pm-11:38 pm
1 stop8h 38m
$510
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Tue 1/12
8:32 am-5:47 pm
2 stops12h 15m
Ontario
Tue 1/19
6:53 pm-9:55 am
2 stops12h 02m
$521
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sat 12/5
6:17 am-12:34 pm
2 stops9h 17m
Ontario
Tue 12/8
5:00 am-6:43 pm
2 stops10h 43m
$521
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Wed 12/16
6:00 am-11:07 am
1 stop8h 07m
Ontario
Fri 1/8
7:00 am-5:08 pm
1 stop7h 08m
$549
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Tue 10/20
5:54 pm-10:49 pm
1 stop7h 55m
Ontario
Wed 10/28
5:00 am-6:57 pm
2 stops10h 57m
$565
Showing 1-10 of 17 resultsSorted by cheapest first
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 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 Harrisburg-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Ontario flight deals on Cheapflights vs. FlightHub >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 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 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.
MDT-ONT
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 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 24, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Alternative routes for Harrisburg to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harrisburg to Ontario by cabin class
Find flights from Harrisburg to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Harrisburg and Ontario flights
Browse other Harrisburg and Ontario flight options. Last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Harrisburg to Ontario
Discover the top 3 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$321 | Average$599 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$359 | Average$616 | FlexibilityNo cancel fee | On-time71% |