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Waterloo

$343+ Cheap flights from Ontario to Waterloo, IA (ALO)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ALO
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
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 June 20, 2026.

This American Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/187:20 am
YYZ
-
ALO
1 stop18h 02m
American Airlines
Sat 7/255:06 am
ALO
-
YYZ
1 stop17h 23m
American Airlines
Deal found 6/20$522
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/157:17 am
YYZ
-
ALO
1 stop18h 12m
American Airlines
Wed 7/225:06 am
ALO
-
YYZ
1 stop8h 28m
American Airlines
Deal found 6/16$527
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 8/187:20 am
YYZ
-
ALO
1 stop18h 02m
American Airlines
Fri 8/283:23 pm
ALO
-
YYZ
1 stop18h 36m
American Airlines
Deal found 6/17$528
This American Airlines deal was found by Cheapflights users on 6/19. 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 9/37:20 am
YYZ
-
ALO
1 stop8h 32m
American Airlines
Mon 9/73:23 pm
ALO
-
YYZ
1 stop20h 10m
American Airlines
Deal found 6/19$533
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/177:17 am
YYZ
-
ALO
1 stop18h 12m
American Airlines
Fri 7/245:06 am
ALO
-
YYZ
2 stops16h 25m
American Airlines
Deal found 6/19$580
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 7/133:14 pm
YYZ
-
ALO
1 stop10h 15m
American Airlines
Mon 7/203:23 pm
ALO
-
YYZ
1 stop20h 14m
American Airlines
Deal found 6/15$598

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 June 20, 2026.

Round-trip from

$522
(American Airlines)

One-way from

$343
(American Airlines)
From Ontario to Waterloo
Search Deals
One-way flight 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 June 20, 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

Sat 7/18

7:20 am-12:22 am

1 stop18h 02m

Waterloo

Sat 7/25

5:06 am-11:29 pm

1 stop17h 23m

$522

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Wed 7/15

7:17 am-12:29 am

1 stop18h 12m

Waterloo

Wed 7/22

5:06 am-2:34 pm

1 stop8h 28m

$527

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Tue 8/18

7:20 am-12:22 am

1 stop18h 02m

Waterloo

Fri 8/28

3:23 pm-10:59 am

1 stop18h 36m

$528
Quickest round-trip

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Fri 7/17

3:45 pm-12:29 am

2 stops9h 44m

Waterloo

Fri 7/24

5:06 am-10:31 pm

2 stops16h 25m

$590

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Mon 7/13

3:14 pm-12:29 am

1 stop10h 15m

Waterloo

Mon 7/20

3:23 pm-12:37 pm

1 stop20h 14m

$598
Cheapest one-way
Quickest one-way

TorontoWaterloo

YYZ - ALO

YYZALO

Toronto Pearson Intl

Sun 8/2

7:20 am-2:53 pm

1 stop8h 33m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

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
No data available for this route at this time. Please check back soon.

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 18h 02m. 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.

See more FAQs

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Cedar Falls

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