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$519+ Cheap flights from Waterloo, IA (ALO) to Ontario

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — YYZ
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
1 adult, Economy
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Cheap flight deals from Waterloo to Ontario

Keep the following information in mind while searching for Waterloo to Ontario flight deals. Data was last updated September 24, 2025.

Round-trip from

$519
(American Airlines)
From Waterloo to Ontario
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Find flight deals from Waterloo to Ontario

Cheapest flights from Waterloo to Ontario
Explore the most affordable flight options available from Waterloo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.

This American Airlines deal was found by Cheapflights users on 9/24. 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 10/226:00 amALO - YYZ
2 stops16h 02mAmerican Airlines
Wed 10/2912:46 pmYYZ - ALO
2 stops11h 48mAmerican Airlines
Deal found 9/24$519

Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo 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 24, 2025.
Use the filters below to find and compare flights from Waterloo to Ontario that are best for you.

Fly from

Waterloo

Fly to

Ontario

Route

Depart

Return

Price

WaterlooToronto

ALO - YYZ

ALOYYZ

Waterloo

Wed 10/22

6:00 am-11:02 pm

2 stops16h 02m

Toronto Pearson Intl

Wed 10/29

12:46 pm-11:34 pm

2 stops11h 48m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Best time to book a flight from Waterloo to Ontario

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

What is the cheapest month to book a flight from Waterloo, Iowa to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to Region of Ontario (average of $243). Flying from Waterloo, Iowa to Region of Ontario in August is currently the most expensive (average of $348). 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 Waterloo to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Waterloo to Ontario?

    Waterloo (ALO), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Waterloo to Ontario.

  • How long is the flight from Waterloo, Iowa to Region of Ontario?

    American Airlines can get you from Waterloo, Iowa to Region of Ontario in just under 16h 02m. Your travel time can differ by up to . Airlines will cover a distance of 648 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Waterloo 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 Waterloo, Iowa to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Waterloo, Iowa to Region of Ontario (average of $243). Flying from Waterloo, Iowa to Region of Ontario in August is currently the most expensive (average of $348). 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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