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$477+ Cheap flights from Erie to Ontario (ERI - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ONT
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This American Airlines deal was found by Cheapflights users on 4/28. 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 6/125:20 pm
ERI
-
ONT
1 stop8h 16m
American Airlines
Fri 6/1910:00 pm
ONT
-
ERI
1 stop10h 07m
American Airlines
Deal found 4/28$608
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 6/1610:59 am
ERI
-
ONT
1 stop14h 47m
United Airlines
Mon 6/226:30 am
ONT
-
ERI
1 stop14h 25m
United Airlines
Deal found 4/26$915
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 8/66:05 pm
ERI
-
ONT
1 stop7h 46m
United Airlines
Thu 8/137:00 am
ONT
-
ERI
1 stop7h 27m
United Airlines
Deal found 4/28$3,970
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/85:58 pm
ERI
-
ONT
1 stop7h 48m
United Airlines
Fri 6/196:30 am
ONT
-
ERI
1 stop7h 53m
United Airlines
Deal found 4/27$4,050

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(American Airlines)

One-way from

$477
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$486
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
One-way flight from Erie to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 29, 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

ErieOntario

ERI - ONT

ERIONT

Erie

Fri 6/12

5:20 pm-10:36 pm

1 stop8h 16m

Ontario

Fri 6/19

7:13 pm-11:07 am

2 stops12h 54m

$641

ErieOntario

ERI - ONT

ERIONT

Erie

Tue 6/16

10:59 am-10:46 pm

1 stop14h 47m

Ontario

Mon 6/22

6:30 am-11:55 pm

1 stop14h 25m

$915
Quickest round-trip

ErieOntario

ERI - ONT

ERIONT

Erie

Thu 8/6

6:05 pm-10:51 pm

1 stop7h 46m

Ontario

Thu 8/13

7:00 am-5:27 pm

1 stop7h 27m

$3,970

ErieOntario

ERI - ONT

ERIONT

Erie

Fri 7/24

6:05 pm-10:51 pm

1 stop7h 46m

Ontario

Mon 7/27

6:30 am-5:23 pm

1 stop7h 53m

$4,050

ErieOntario

ERI - ONT

ERIONT

Erie

Mon 6/8

5:58 pm-10:46 pm

1 stop7h 48m

Ontario

Fri 6/19

6:30 am-5:23 pm

1 stop7h 53m

$4,050
Cheapest one-way
Quickest one-way

ErieOntario

ERI - ONT

ERIONT

Erie

Mon 6/8

10:59 am-10:46 pm

1 stop14h 47m

$477

ErieOntario

ERI - ONT

ERIONT

Erie

Wed 8/5

6:00 am-10:51 pm

1 stop19h 51m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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.

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 and United Airlines can get you from Erie to Ontario in just under 8h 16m. Your travel time can differ by up to 6h 31m. The distance from Erie to Ontario is about 2090 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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