$301+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Oct 8 — Oct 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:00 am -
1 stop8h 06m
Tue 10/2712:16 pm -
1 stop8h 23m
Deal found 9/3![Delta logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/206:08 am -
2 stops10h 22m
Wed 10/2810:10 pm -
1 stop8h 01m
Deal found 9/3![American Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:00 am -
1 stop8h 06m
Mon 10/2611:15 pm -
1 stop8h 44m
Deal found 9/3![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/39:50 am -
2 stops11h 20m
Tue 11/106:30 am -
2 stops12h 45m
Deal found 9/5![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/216:30 am -
1 stop8h 23m
Sun 10/257:34 pm -
2 stops10h 37m
Deal found 9/3![American Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/296:29 am -
1 stop8h 18m
Sun 10/117:34 pm -
2 stops10h 37m
Deal found 9/3![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/105:49 pm -
1 stop8h 10m
Sat 10/1712:43 pm -
1 stop7h 16m
Deal found 9/6![American Airlines logo]()
$422
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 8, 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 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/216:30 am -
1 stop10h 00m
Sun 10/2510:10 pm -
1 stop8h 01m
Deal found 9/3![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/35:54 pm -
1 stop7h 55m
Sat 10/177:00 am -
1 stop6h 52m
Deal found 9/4![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 9/3. 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 12/510:35 am -
2 stops12h 45m
Tue 12/85:45 am -
2 stops12h 08m
Deal found 9/3![United Airlines logo]()
$481
Last-minute flights from Harrisburg to OntarioDiscover last-minute flight deals from Harrisburg to Ontario. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Ontario. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/296:29 am -
1 stop8h 18m
Sun 10/117:34 pm -
2 stops10h 37m
Deal found 9/3![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/35:54 pm -
1 stop7h 55m
Sat 10/177:00 am -
1 stop6h 52m
Deal found 9/4![United Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/105:49 pm -
1 stop8h 10m
Sat 10/1712:43 pm -
1 stop7h 16m
Deal found 9/6![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/206:08 am -
2 stops10h 22m
Wed 10/2810:10 pm -
1 stop8h 01m
Deal found 9/3![American Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:00 am -
1 stop8h 06m
Tue 10/2712:16 pm -
1 stop8h 23m
Deal found 9/3![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:00 am -
1 stop8h 06m
Mon 10/2611:15 pm -
1 stop8h 44m
Deal found 9/3![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/216:30 am -
1 stop8h 23m
Sun 10/257:34 pm -
2 stops10h 37m
Deal found 9/3![American Airlines logo]()
$375
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 8, 2026.
Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/57:30 pm -
3 stops55h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/155:44 pm -
2 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 9/3. 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 10/53:00 pm -
1 stop10h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/201:21 pm -
3 stops19h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 9/5. 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.
Sun 10/116:00 am -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/3. 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 12/205:39 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:00 am -
2 stops9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/1010:30 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 9/6. 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 10/262:56 pm -
2 stops11h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$508
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (Delta) |
One-way from | $301 (Kiwi.com) |
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 8, 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
Mon 10/5
7:30 pm-11:47 pm
3 stops55h 17m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$301
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Wed 10/21
6:30 am-1:30 pm
1 stop10h 00m
Ontario
Sun 10/25
10:10 pm-9:11 am
1 stop8h 01m
$370
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Mon 10/5
3:00 pm-10:24 pm
1 stop10h 24m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$379
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sun 12/20
1:21 pm-6:15 am
3 stops19h 54m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$382
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Mon 10/26
2:56 pm-9:54 pm
1 stop9h 58m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
Quickest round-trip
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sun 10/11
6:00 am-11:06 am
1 stop8h 06m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sun 12/20
5:39 pm-10:54 pm
1 stop8h 15m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$399
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sun 12/20
6:00 am-12:42 pm
2 stops9h 42m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$404
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Tue 11/10
10:30 am-8:15 pm
2 stops12h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$435
HarrisburgOntario
MDT Harrisburg - ONT Ontario
MDTONT
Harrisburg
Sat 10/3
5:54 pm-10:49 pm
1 stop7h 55m
Ontario
Sat 10/17
7:00 am-4:52 pm
1 stop6h 52m
$480
Showing 1-10 of 13 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 8, 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.
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Popular flights
Alternative routes for Harrisburg to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 8, 2026.
Harrisburg and Ontario flights
Browse other Harrisburg and Ontario flight options. Last updated on September 8, 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 8, 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% |