HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Erie

$527+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ERI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Erie 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 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 September 15, 2025.

Round-trip from

$527
(American Airlines)

Popular in

September

Cheapest in

November

Average price

$573
From Ontario to Erie
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Erie

Best flights from Ontario to Erie
Discover carefully curated flight deals from Ontario to Erie 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.
Wed 2/1811:55 pmONT - ERI
2 stops13h 34mAmerican Airlines
Sat 2/2111:57 amERI - ONT
2 stops13h 00mAmerican Airlines
Deal found 9/12$527

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 September 15, 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

Wed 2/18

11:55 pm-4:29 pm

2 stops13h 34m

Erie

Sat 2/21

11:57 am-9:57 pm

2 stops13h 00m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 $501). 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 13h 34m. 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 $501). 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

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 Ontario to Erie

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Newark flights
Los Angeles to LaGuardia flights
San Francisco to Newark flights
Ontario to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Burbank to Newark flights
San Diego to John F Kennedy Intl flights
Ontario to Newark flights
Santa Ana to Newark flights
Santa Ana to LaGuardia flights
San Francisco to Reagan-National flights
San Diego to Newark flights
San Francisco to Dulles Intl flights
Burbank to LaGuardia flights
Santa Ana to John F Kennedy Intl flights
San Francisco to Philadelphia flights
Ontario to LaGuardia flights
San Diego to LaGuardia flights
Las Vegas to Newark flights
Los Angeles to Philadelphia flights
Las Vegas to John F Kennedy Intl flights
Sacramento to Newark flights
San Jose to John F Kennedy Intl flights
San Diego to Dulles Intl flights
San Jose to Newark flights
Ontario to Dulles Intl flights
San Diego to Reagan-National flights
Sacramento to John F Kennedy Intl flights
Oakland to Newark flights
San Jose to LaGuardia flights
Las Vegas to LaGuardia flights
Oakland to John F Kennedy Intl flights
Ontario to Philadelphia flights
Ontario to Reagan-National flights
Sacramento to LaGuardia flights
Burbank to John F Kennedy Intl flights
San Francisco to Pittsburgh flights
Santa Ana to Reagan-National flights
San Jose to Dulles Intl flights
Santa Ana to Dulles Intl flights
Santa Ana to Philadelphia flights
San Diego to Philadelphia flights
San Jose to Reagan-National flights
Oakland to LaGuardia flights
Las Vegas to Dulles Intl flights
Sacramento to Dulles Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.