$289+ Cheap flights from Harrisburg to Ontario (MDT - ONT)
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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ONT
Jun 4 — Jun 111
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
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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 May 5, 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 May 5, 2026.
This Delta deal was found by Cheapflights users on 5/1. 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 5/246:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sat 6/612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 5/1![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/245:00 am
MDT
- ONT
2 stops10h 05m
American Airlines
Sat 5/3012:41 pm
ONT
- MDT
1 stop7h 01m
American Airlines
Deal found 5/1![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/235:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Sat 5/306:30 am
ONT
- MDT
1 stop7h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/246:15 am
MDT
- ONT
2 stops14h 13m
United Airlines
Sat 6/66:05 am
ONT
- MDT
1 stop7h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:25 pm
MDT
- ONT
1 stop8h 36m
Delta
Sun 10/1110:59 pm
ONT
- MDT
1 stop9h 37m
Delta
Deal found 5/4![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/245:00 am
MDT
- ONT
2 stops10h 05m
American Airlines
Tue 6/307:13 pm
ONT
- MDT
2 stops11h 55m
American Airlines
Deal found 5/1![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/98:15 am
MDT
- ONT
2 stops12h 37m
United Airlines
Sat 5/306:30 am
ONT
- MDT
1 stop7h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 4/30. 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 5/246:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sat 5/3012:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 4/30![Delta logo]()
$424
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 May 5, 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 May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/246:15 am
MDT
- ONT
2 stops14h 13m
United Airlines
Sat 6/66:05 am
ONT
- MDT
1 stop7h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 5/2. 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 9/292:56 pm
MDT
- ONT
1 stop10h 00m
Delta
Sun 10/1110:59 pm
ONT
- MDT
2 stops9h 54m
Delta
Deal found 5/2![Delta logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 5/165:41 am
MDT
- ONT
2 stops12h 28m
Alaska Airlines
Wed 5/206:00 am
ONT
- MDT
2 stops14h 52m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$669
This United Airlines deal was found by Cheapflights users on 5/1. 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 10/35:31 pm
MDT
- ONT
1 stop7h 55m
United Airlines
Sat 10/107:00 am
ONT
- MDT
1 stop9h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/232:52 pm
MDT
- ONT
2 stops10h 59m
United Airlines
Sat 5/305:00 am
ONT
- MDT
2 stops11h 47m
United Airlines
Deal found 5/1![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 4/30. 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 5/156:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sat 5/1612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 4/30![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 6/411:57 am
MDT
- ONT
1 stop9h 39m
Delta
Wed 6/107:05 am
ONT
- MDT
1 stop7h 32m
Delta
Deal found 5/3![Delta logo]()
$703
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/65:52 pm
MDT
- ONT
1 stop7h 59m
United Airlines
Sun 6/146:05 am
ONT
- MDT
1 stop12h 24m
United Airlines
Deal found 5/3![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:52 pm
MDT
- ONT
1 stop7h 59m
United Airlines
Wed 6/106:00 am
ONT
- MDT
2 stops12h 29m
United Airlines
Deal found 5/5![United Airlines logo]()
$700
This United Airlines deal was found by Cheapflights users on 5/4. 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 7/216:30 am
MDT
- ONT
1 stop19h 21m
United Airlines
Sat 7/256:10 am
ONT
- MDT
1 stop7h 46m
United Airlines
Deal found 5/4![United Airlines logo]()
$728
Last-minute flights from Harrisburg to OntarioDiscover last-minute flight deals from Harrisburg to Ontario. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Ontario. Data last updated May 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/98:15 am
MDT
- ONT
2 stops12h 37m
United Airlines
Sat 5/306:30 am
ONT
- MDT
1 stop7h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 5/2. 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 5/126:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sun 5/1712:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 5/2![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 4/30. 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 5/162:00 pm
MDT
- ONT
1 stop7h 36m
Delta
Sun 5/1712:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 4/30![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/235:55 pm
MDT
- ONT
1 stop7h 56m
United Airlines
Sat 5/306:30 am
ONT
- MDT
1 stop7h 24m
United Airlines
Deal found 5/1![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/1. 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 5/246:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sat 6/612:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 5/1![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/245:00 am
MDT
- ONT
2 stops10h 05m
American Airlines
Sat 5/3012:41 pm
ONT
- MDT
1 stop7h 01m
American Airlines
Deal found 5/1![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/246:15 am
MDT
- ONT
2 stops14h 13m
United Airlines
Sat 6/66:05 am
ONT
- MDT
1 stop7h 50m
United Airlines
Deal found 5/1![United Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/245:00 am
MDT
- ONT
2 stops10h 05m
American Airlines
Tue 6/307:13 pm
ONT
- MDT
2 stops11h 55m
American Airlines
Deal found 5/1![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 4/30. 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 5/246:00 am
MDT
- ONT
1 stop7h 57m
Delta
Sat 5/3012:07 pm
ONT
- MDT
1 stop8h 44m
Delta
Deal found 4/30![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:30 pm
MDT
- ONT
2 stops11h 29m
American Airlines
Sat 6/1310:22 am
ONT
- MDT
1 stop9h 20m
American Airlines
Deal found 5/4![American Airlines logo]()
$443
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 May 5, 2026.
Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Delta deal was found by Cheapflights users on 5/3. 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 8/56:00 am
MDT
- ONT
1 stop7h 42m
Delta
Deal found 5/3![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 8/66:00 am
MDT
- ONT
1 stop7h 42m
Delta
Deal found 5/3![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 5/3. 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.
Fri 8/75:15 pm
MDT
- ONT
2 stops9h 19m
Delta
Deal found 5/3![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 8/35:43 pm
MDT
- ONT
1 stop7h 51m
American Airlines
Deal found 5/3![American Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:22 pm
MDT
- ONT
2 stops13h 02m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Fri 8/72:45 pm
MDT
- ONT
1 stop9h 26m
American Airlines
Deal found 5/3![American Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 9/2511:25 am
MDT
- ONT
2 stops14h 59m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/3. 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.
Tue 8/46:00 am
MDT
- ONT
2 stops13h 24m
Delta
Deal found 5/3![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 8/17:00 am
MDT
- ONT
1 stop9h 22m
American Airlines
Deal found 5/3![American Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
MDT
- ONT
1 stop7h 57m
Delta
Deal found 5/4![Delta logo]()
$424
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $351 (Delta) |
One-way from | $289 (Delta) |
Popular in | March |
Cheapest in | September |
Average price | $498 |
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 2,558,603 searches. Data last updated May 5, 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 - ONT
MDTONT
Harrisburg
Sun 5/24
6:15 am-5:28 pm
2 stops14h 13m
Ontario
Sat 6/6
6:05 am-4:55 pm
1 stop7h 50m
$376
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Tue 9/29
2:56 pm-9:56 pm
1 stop10h 00m
Ontario
Sun 10/11
10:59 pm-11:53 am
2 stops9h 54m
$440
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Sat 10/3
5:31 pm-10:26 pm
1 stop7h 55m
Ontario
Sat 10/10
7:00 am-7:30 pm
1 stop9h 30m
$461
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Sat 5/23
2:52 pm-10:51 pm
2 stops10h 59m
Ontario
Sat 5/30
5:00 am-7:47 pm
2 stops11h 47m
$480
Quickest round-trip
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Fri 5/15
6:00 am-10:57 am
1 stop7h 57m
Ontario
Sat 5/16
12:07 pm-11:51 pm
1 stop8h 44m
$538
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Sat 6/6
5:52 pm-10:51 pm
1 stop7h 59m
Ontario
Sun 6/14
6:05 am-9:29 pm
1 stop12h 24m
$668
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Sat 5/16
5:41 am-3:09 pm
2 stops12h 28m
Ontario
Wed 5/20
6:00 am-11:52 pm
2 stops14h 52m
$669
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Fri 6/5
5:52 pm-10:51 pm
1 stop7h 59m
Ontario
Wed 6/10
6:00 am-9:29 pm
2 stops12h 29m
$700
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Thu 6/4
11:57 am-6:36 pm
1 stop9h 39m
Ontario
Wed 6/10
7:05 am-5:37 pm
1 stop7h 32m
$703
HarrisburgOntario
MDT - ONT
MDTONT
Harrisburg
Tue 7/21
6:30 am-10:51 pm
1 stop19h 21m
Ontario
Sat 7/25
6:10 am-4:56 pm
1 stop7h 46m
$728
Showing 1-10 of 20 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 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 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.
Cheapflights Insights
Everything you need to know about your flight from Harrisburg to Ontario
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 May 5, 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
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.9
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.
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Alternative routes for Harrisburg to Ontario
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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 May 5, 2026.
Harrisburg and Ontario flights
Browse other Harrisburg and Ontario flight options. Last updated on May 5, 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 2,558,603 searches. Data last updated May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$474 | FlexibilityNo cancel fee | On-time69% |