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Ontario

$514+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ONT
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
1 adult, Economy
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Cheap flight deals from Erie to Ontario

Cheapest flights from Erie to Ontario
Explore the most affordable flight options available from Erie to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This American Airlines deal was found by Cheapflights users on 3/10. 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 9/241:41 pm
ERI
-
ONT
1 stop9h 14m
American Airlines
Mon 9/2811:59 pm
ONT
-
ERI
2 stops13h 33m
American Airlines
Deal found 3/10$514
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:05 am
ERI
-
ONT
2 stops28h 07m
United Airlines
Wed 9/25:45 am
ONT
-
ERI
2 stops15h 21m
United Airlines
Deal found 3/12$796

Find 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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$796
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$371
Provider with most accurate pricing for Erie-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Erie-Ontario flights.
Search Deals
From Erie to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 15, 2026.
Use the filters below to find and compare flights from Erie to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ErieOntario

ERI - ONT

ERIONT

Erie

Sat 8/29

11:05 am-12:12 pm

2 stops28h 07m

Ontario

Wed 9/2

5:45 am-12:06 am

2 stops15h 21m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Erie-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Erie-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Erie-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Erie-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 Erie-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 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, January is the cheapest month in which you can book a flight from Erie to Ontario (average of $133). Flying from Erie to Ontario in June is currently the most expensive (average of $226). 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?

    United Airlines can get you from Erie to Ontario in just under 28h 07m. 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, January is the cheapest month in which you can book a flight from Erie to Ontario (average of $133). Flying from Erie to Ontario in June is currently the most expensive (average of $226). 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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