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Erie

$658+ Cheap flights from Ontario to Erie (ONT - ERI)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ERI
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Ontario to Erie

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Erie (ERI). 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 August 20, 2025.

Round-trip from

$658
(American Airlines)

Popular in

October

Cheapest in

September

Average price

$478
From Ontario to Erie
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Erie

Cheapest flights from Ontario to Erie
Explore the most affordable flight options available from Ontario to Erie. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:45 pmONT - ERI
2 stops20h 37mAmerican Airlines
Sun 9/141:43 pmERI - ONT
1 stop10h 28mAmerican Airlines
Deal found 8/19$658

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Erie 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 August 20, 2025.
Use the filters below to find and compare flights from Ontario to Erie that are best for you.

Fly from

Ontario

Fly to

Erie

Route

Depart

Return

Price

OntarioErie

ONT - ERI

ONTERI

Ontario

Fri 9/12

4:45 pm-4:22 pm

2 stops20h 37m

Erie

Sun 9/14

1:43 pm-9:11 pm

1 stop10h 28m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Best time to book a flight from Ontario to Erie

Have a flexible travel schedule? Discover the best time to fly to Erie from Ontario 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 Ontario to Erie

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Erie (average of $381). Flying from Ontario to Erie in December is currently the most expensive (average of $506). 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 Ontario to Erie. 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 Ontario to Erie?

    American Airlines can get you from Ontario to Erie in just under 20h 37m. Your travel time can differ by up to . The distance from Ontario to Erie is about 2090 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Erie 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 Ontario to Erie?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Erie (average of $381). Flying from Ontario to Erie in December is currently the most expensive (average of $506). 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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