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$527+ Cheap flights from Erie to Ontario (ERI - 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ONT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Erie to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Erie (ERI) 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 15, 2025.

Round-trip from

$527
(American Airlines)

Popular in

May

Cheapest in

March

Average price

$472
From Erie to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Erie to Ontario

Best flights from Erie to Ontario
Discover carefully curated flight deals from Erie to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 2/2111:57 amERI - ONT
2 stops13h 00mAmerican Airlines
Wed 2/256:46 amONT - ERI
2 stops12h 36mAmerican Airlines
Deal found 9/12$527
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 2/125:45 pmERI - ONT
2 stops17h 57mAmerican Airlines
Sun 2/158:04 pmONT - ERI
2 stops12h 03mAmerican Airlines
Deal found 9/13$585

Cheapflights Fare Finder

 
Customize your flight search to find flights from Erie 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 September 15, 2025.
Use the filters below to find and compare flights from Erie to Ontario that are best for you.

Fly from

Erie

Fly to

Ontario

Route

Depart

Return

Price

ErieOntario

ERI - ONT

ERIONT

Erie

Sat 2/21

11:57 am-9:57 pm

2 stops13h 00m

Ontario

Wed 2/25

6:46 am-10:22 pm

2 stops12h 36m

$527

ErieOntario

ERI - ONT

ERIONT

Erie

Thu 2/12

5:45 pm-8:42 am

2 stops17h 57m

Ontario

Sun 2/15

8:04 pm-11:07 am

2 stops12h 03m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Erie to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Erie with our price prediction graph.
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 Erie to Ontario

What is the cheapest month to book a flight from Erie to Ontario?

Currently, August is the cheapest month in which you can book a flight from Erie to Ontario (average of $246). Flying from Erie to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Erie to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Erie to Ontario?

    American Airlines can get you from Erie to Ontario in just under 13h. Your travel time can differ by up to . The distance from Erie to Ontario is about 2090 mi.

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

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

  • How can I find direct flights from Erie to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Erie 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.

  • What is the cheapest month to book a flight from Erie to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Erie to Ontario (average of $246). Flying from Erie to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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