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Waterloo

$619+ Cheap flights from Ontario to Waterloo, IA (ALO)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ALO
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap flight deals from Ontario to Waterloo

Cheapest flights from Ontario to Waterloo
Explore the most affordable flight options available from Ontario to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2026.

This American Airlines deal was found by Cheapflights users on 3/18. 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 4/153:13 pm
YYZ
-
ALO
1 stop9h 36m
American Airlines
Wed 4/222:23 pm
ALO
-
YYZ
1 stop21h 12m
American Airlines
Deal found 3/18$619
This American Airlines deal was found by Cheapflights users on 3/17. 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 5/11:15 pm
YYZ
-
ALO
1 stop11h 34m
American Airlines
Fri 5/85:40 am
ALO
-
YYZ
1 stop4h 13m
American Airlines
Deal found 3/17$626
This American Airlines deal was found by Cheapflights users on 3/16. 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 4/303:13 pm
YYZ
-
ALO
1 stop9h 36m
American Airlines
Thu 5/75:40 am
ALO
-
YYZ
1 stop11h 00m
American Airlines
Deal found 3/16$631
This American Airlines deal was found by Cheapflights users on 3/19. 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.
Thu 3/266:00 am
YYZ
-
ALO
1 stop9h 40m
American Airlines
Thu 4/25:20 am
ALO
-
YYZ
1 stop4h 36m
American Airlines
Deal found 3/19$742

Find flight deals from Ontario to Waterloo

Keep the following information in mind while searching for Ontario to Waterloo flight deals. Data was last updated March 21, 2026.

Round-trip from

$617
(American Airlines)
From Ontario to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Waterloo 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 21, 2026.
Use the filters below to find and compare flights from Ontario to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Wed 4/15

3:13 pm-11:49 pm

1 stop9h 36m

Waterloo

Wed 4/22

2:23 pm-12:35 pm

1 stop21h 12m

$619
Quickest round-trip

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Thu 4/30

3:13 pm-11:49 pm

1 stop9h 36m

Waterloo

Thu 5/7

5:40 am-5:40 pm

1 stop11h 00m

$631

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Fri 5/1

10:59 am-11:49 pm

2 stops13h 50m

Waterloo

Fri 5/8

2:23 pm-12:35 pm

1 stop21h 12m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Sorted by cheapest first

Best time to book a flight from Ontario to Waterloo

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

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

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Waterloo, Iowa (average of $250). Flying from Region of Ontario to Waterloo, Iowa in January is currently the most expensive (average of $893). 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 Waterloo. 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 into for flights to Waterloo from Ontario?

    Waterloo (ALO) is the airport you will fly into if you book a flight from Ontario to Waterloo. It is only a 5.3 mi journey from Waterloo (ALO) to Waterloo’s city center.

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

    American Airlines can get you from Region of Ontario to Waterloo, Iowa in just under 9h 36m. Your travel time can differ by up to . Region of Ontario and Waterloo, Iowa are separated by a distance of 648 mi.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Waterloo, Iowa (average of $250). Flying from Region of Ontario to Waterloo, Iowa in January is currently the most expensive (average of $893). 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

Traveling to a place near Waterloo?

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Cedar Falls

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