How long is the flight from Harrisburg to Ontario?

For as low as $481, American Airlines can have you in Ontario from Harrisburg in 8h 50m. Harrisburg and Ontario are separated by a distance of 2267 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Harrisburg to Ontario round-trip?

Flying on Delta is currently your cheapest option to Ontario, with prices starting at $321. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $339 and $348, respectively. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Harrisburg to Ontario?

Before booking your flight from Harrisburg to Ontario check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What is the cheapest time of day to fly from MDT to ONT?

When flying from Harrisburg to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

Can I find deals for flights from Harrisburg to Ontario that include hotel bookings?

Yes. In addition to deals on Harrisburg to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Harrisburg to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Ontario.

Can I find deals for business class flights from Harrisburg to Ontario?

Yes. Cheapflights offers flight deals from Harrisburg to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$361+ Cheap Flights from Harrisburg to Ontario

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Cheap flight deals from Harrisburg to Ontario

Cheapest

Best

Last-minute

One-way

Cheapest flights from Harrisburg to Ontario
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 August 28, 2026.

Wed 9/306:00 am -

1 stop8h 09m

Sat 10/312:17 pm -

1 stop8h 23m

Deal found 8/25

$361

Wed 9/236:00 am -

2 stops10h 25m

Wed 9/308:25 am -

2 stops10h 43m

Deal found 8/26

$381

Wed 9/96:29 am -

1 stop9h 56m

Sun 9/1312:37 pm -

1 stop7h 10m

Deal found 8/25

$410

Tue 9/296:00 am -

2 stops10h 25m

Sun 10/1110:10 pm -

1 stop8h 01m

Deal found 8/28

$422

Last-minute flights from Harrisburg to Ontario
Discover last-minute flight deals from Harrisburg to Ontario. Data last updated August 28, 2026 and is based on user searches.

Wed 9/96:29 am -

1 stop9h 56m

Sun 9/1312:37 pm -

1 stop7h 10m

Deal found 8/25

$410

Wed 9/236:00 am -

2 stops10h 25m

Wed 9/308:25 am -

2 stops10h 43m

Deal found 8/26

$381

Tue 9/296:00 am -

2 stops10h 25m

Sun 10/1110:10 pm -

1 stop8h 01m

Deal found 8/28

$422

Wed 9/306:00 am -

1 stop8h 09m

Sat 10/312:17 pm -

1 stop8h 23m

Deal found 8/25

$361

One-way flights from Harrisburg to Ontario
Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Thu 10/152:56 pm -

1 stop9h 58m

Deal found 8/24

$379

Fri 10/22:08 pm -

2 stops11h 43m

Deal found 8/24

$435

Sun 1/245:31 pm -

1 stop28h 13m

Deal found 8/27

$438

Wed 12/92:10 pm -

1 stop7h 34m

Deal found 8/27

$463

Sat 9/125:42 pm -

1 stop8h 17m

Deal found 8/28

$493

Thu 11/58:15 am -

1 stop13h 32m

Deal found 8/26

$517

Fri 9/43:03 pm -

1 stop9h 49m

Deal found 8/28

$519

Thu 9/37:00 am -

1 stop7h 43m

Deal found 8/28

$528

Sun 10/116:25 am -

1 stop19h 24m

Deal found 8/25

$557

Find flight deals from Harrisburg to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$361 (Delta)
Popular in	July
Cheapest in	September
Average price	$520

Provider with most accurate pricing for Harrisburg-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Harrisburg-Ontario flights.

Search Deals

From Harrisburg to Ontario

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Tue 9/29

5:45 am-1:25 pm

2 stops10h 40m

Ontario

Sun 10/11

10:25 am-10:59 pm

1 stop9h 34m

$465

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Sat 12/5

2:30 pm-8:20 pm

2 stops8h 50m

Ontario

Tue 12/8

5:45 am-8:53 pm

2 stops12h 08m

$481

Quickest round-trip

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Sat 10/3

2:08 pm-10:51 pm

2 stops11h 43m

Ontario

Sat 10/10

7:00 am-4:52 pm

1 stop6h 52m

$532

Cheapest one-way

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Thu 10/15

2:56 pm-9:54 pm

1 stop9h 58m

$379

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Thu 10/15

2:55 pm-10:51 pm

2 stops10h 56m

$435

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Wed 12/9

8:15 am-5:36 pm

2 stops12h 21m

$435

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Sun 1/24

6:30 am-5:47 pm

2 stops14h 17m

$435

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Fri 10/2

6:30 am-10:49 pm

1 stop19h 19m

$467

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Sat 9/12

5:42 pm-10:59 pm

1 stop8h 17m

$493

HarrisburgOntario

MDT Harrisburg - ONT Ontario

MDTONT

Harrisburg

Thu 11/5

8:15 am-6:47 pm

1 stop13h 32m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 13 resultsSorted by cheapest first

Compare providers for flights from Harrisburg to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to Ontario in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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.

Delta

7.8

Good

8,536 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

7.8

Good

8,536 reviews

Delta

7.8

Good

8,536 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

10,135 reviews

Delta

7.8

Good

8,536 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.1

Good

12,022 reviews

Delta

7.8

Good

8,536 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

How long is the flight from Harrisburg to Ontario?
For as low as $481, American Airlines can have you in Ontario from Harrisburg in 8h 50m. Harrisburg and Ontario are separated by a distance of 2267 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Harrisburg to Ontario round-trip?
Flying on Delta is currently your cheapest option to Ontario, with prices starting at $321. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $339 and $348, respectively. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Harrisburg to Ontario that include hotel bookings?
Yes. In addition to deals on Harrisburg to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Harrisburg to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to Ontario.
Can I find deals for business class flights from Harrisburg to Ontario?
Yes. Cheapflights offers flight deals from Harrisburg to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Harrisburg to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$321	Average$599	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$339	Average$616	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$348	Average$535	FlexibilityNo cancel fee	On-time69%

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$361+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harrisburg to Ontario with Cheapflights

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Cheap flight deals from Harrisburg to Ontario

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 August 28, 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 August 28, 2026.

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 August 28, 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 August 28, 2026.

Last-minute flights from Harrisburg to OntarioDiscover last-minute flight deals from Harrisburg to Ontario. Data last updated August 28, 2026 and is based on user searches.

Discover last-minute flight deals from Harrisburg to Ontario. Data last updated August 28, 2026 and is based on user searches.

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 August 28, 2026.

Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Find flight deals from Harrisburg to Ontario

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Round-trip from

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Use the filters below to find and compare flights from Harrisburg to Ontario that are best for you.

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 August.

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.

Reviews of airlines servicing Ontario

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.

Related info for your journey

How long is the flight from Harrisburg to Ontario?

What are the cheapest airlines flying from Harrisburg to Ontario round-trip?

Can I find deals for flights from Harrisburg to Ontario that include hotel bookings?

How can I find direct flights from Harrisburg to Ontario?

Can I find deals for business class flights from Harrisburg to Ontario?

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 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 August 28, 2026.

Harrisburg and Ontario flights

Browse other Harrisburg and Ontario flight options. Last updated on August 28, 2026.

Popular flight searches

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Top 3 airlines flying from Harrisburg to Ontario

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Cheapest flights from Harrisburg to Ontario
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 August 28, 2026.

Best flights from Harrisburg to Ontario
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 August 28, 2026.

Last-minute flights from Harrisburg to Ontario
Discover last-minute flight deals from Harrisburg to Ontario. Data last updated August 28, 2026 and is based on user searches.

One-way flights from Harrisburg to Ontario
Search for one-way flight options from Harrisburg to Ontario. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.