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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from C$ 200

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LAX
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Region of Waterloo Intl to USA

Enter your travel dates to find the best prices.

Cheapest flights from Region of Waterloo Intl to USA
Explore the most affordable flight options available from Region of Waterloo Intl to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Fri 1/56:00 a.m.
YKF
-
SEA
1 stop10h 08m
WestJet
Fri 8/52:05 p.m.
SEA
-
YKF
1 stop7h 40m
WestJet
Deal found 24/1C$ 314
Thu 5/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Mon 9/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Deal found 25/1C$ 355
Thu 23/46:20 a.m.
YKF
-
SFO
1 stop8h 50m
WestJet
Fri 24/41:00 p.m.
SFO
-
YKF
1 stop13h 29m
WestJet
Deal found 25/1C$ 357
Thu 5/36:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Mon 16/35:45 p.m.
LAX
-
YKF
1 stop8h 44m
WestJet
Deal found 25/1C$ 360
Tue 19/56:00 a.m.
YKF
-
SFO
1 stop8h 54m
WestJet
Wed 27/512:50 p.m.
SFO
-
YKF
1 stop8h 55m
WestJet
Deal found 24/1C$ 388
Sat 28/27:00 p.m.
YKF
-
LAX
2 stops19h 00m
WestJet
Sun 15/35:45 p.m.
LAX
-
YKF
1 stop8h 44m
WestJet
Deal found 27/1C$ 390
Sat 7/37:00 p.m.
YKF
-
LAX
1 stop18h 27m
WestJet
Sun 15/35:45 p.m.
LAX
-
YKF
1 stop8h 44m
WestJet
Deal found 27/1C$ 397
Mon 2/36:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Wed 11/35:45 p.m.
LAX
-
YKF
1 stop8h 44m
WestJet
Deal found 25/1C$ 403
Tue 24/26:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Mon 2/311:50 a.m.
LAX
-
YKF
2 stops14h 39m
WestJet
Deal found 24/1C$ 404
Sat 25/46:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Sat 9/511:40 a.m.
LAX
-
YKF
1 stop10h 05m
WestJet
Deal found 24/1C$ 405
Mon 2/36:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Fri 6/35:45 p.m.
LAX
-
YKF
1 stop8h 44m
WestJet
Deal found 25/1C$ 407
Mon 2/36:20 a.m.
YKF
-
LAX
2 stops34h 49m
Multiple Airlines
Wed 11/310:50 a.m.
LAX
-
YKF
2 stops15h 39m
Multiple Airlines
Deal found 26/1C$ 411

Find flight deals from Region of Waterloo Intl to USA

Keep the following information in mind while searching for Region of Waterloo Intl to USA flight deals. Data was last updated 27 January 2026.

Round-trip from

C$ 314

One-way from

C$ 200

Popular in

December

Cheapest in

January

Average price

C$ 272

Good one-way deal

C$ 175 or less
WestJet
  • WestJet
  • 1/5-8/5
  • 2 total stops
  • 17h 48m total
  • Toronto to USA
Search Deals
WestJet
  • WestJet
  • 10/3
  • 1 total stop
  • 18h 43m total
  • Toronto to USA
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Toronto Region of Waterloo Intl to USA.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Region of Waterloo Intl to USA 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 629,999 searches. Data last updated 27 January 2026.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to the United States that are best for you.

Fly from

Region of Waterloo Intl

Fly to

USA

Route

Depart

Return

Price

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 5/3

6:20 a.m.-2:19 p.m.

1 stop10h 59m

Seattle/Tacoma Intl

Mon 9/3

3:10 p.m.-5:29 a.m.

1 stop11h 19m

C$ 355

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 5/3

6:20 a.m.-10:03 p.m.

1 stop18h 43m

Los Angeles

Mon 16/3

5:45 p.m.-5:29 a.m.

1 stop8h 44m

C$ 360

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Sat 28/2

7:00 p.m.-11:00 a.m.

2 stops19h 00m

Los Angeles

Wed 4/3

5:45 p.m.-5:29 a.m.

1 stop8h 44m

C$ 390

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Sat 25/4

6:20 a.m.-10:03 p.m.

1 stop18h 43m

Los Angeles

Mon 27/4

11:40 a.m.-12:45 a.m.

1 stop10h 05m

C$ 405

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Sat 25/4

6:20 a.m.-10:03 p.m.

1 stop18h 43m

Los Angeles

Sat 9/5

11:40 a.m.-12:45 a.m.

1 stop10h 05m

C$ 405

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Mon 2/3

6:20 a.m.-10:03 p.m.

1 stop18h 43m

Los Angeles

Fri 6/3

5:45 p.m.-5:29 a.m.

1 stop8h 44m

C$ 407

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Mon 2/3

6:20 a.m.-2:09 p.m.

2 stops34h 49m

Los Angeles

Wed 11/3

10:50 a.m.-5:29 a.m.

2 stops15h 39m

C$ 411

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Mon 27/4

6:00 a.m.-11:57 a.m.

1 stop8h 57m

Phoenix Sky Harbor Intl

Fri 1/5

8:00 a.m.-7:50 p.m.

1 stop8h 50m

C$ 442

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Tue 17/3

6:20 a.m.-6:30 p.m.

2 stops15h 10m

Los Angeles

Fri 29/5

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 444

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Thu 9/4

6:20 a.m.-5:49 p.m.

1 stop14h 29m

Phoenix Sky Harbor Intl

Fri 17/4

1:05 p.m.-5:29 a.m.

2 stops13h 24m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 60 results
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Best time to book a flight from Region of Waterloo Intl to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Region of Waterloo Intl 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 Toronto Region of Waterloo Intl Airport to the United States

What is the cheapest month to book a flight from Toronto Region of Waterloo Intl Airport to USA?

Currently, April is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 89). Flying from Toronto Region of Waterloo Intl Airport to USA in September is currently the most expensive (average of C$ 219). 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.

What is the cheapest time of day to fly from YKF to US?

Find hourly flight availability from Region of Waterloo Intl to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 January 2026.

One of the essential ways to save on airfare from Toronto Region of Waterloo Intl Airport to USA is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 56% on airfare.

How often are flights from Toronto to the United States delayed?

About 32% of weekly flights between Toronto and United States have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for Toronto to the United States flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to the United States flights?

Over the past year, Flair Airlines has had the lowest number of delays on this route, with just 32% of flights being delayed.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 27 January 2026.
Check out reviews from past customers who have flown with Porter Airlines,WestJet, andAir Canada from Toronto Region of Waterloo Intl Airport to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews
Check prices

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,251 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,660 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Flair Airlines
6.0
Okay
262 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Region of Waterloo Intl to USA. 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 Toronto Region of Waterloo Intl Airport to USA?

    Airlines like WestJet fly from Toronto Region of Waterloo Intl Airport to USA in about 10h 59m. The time it takes to get you to your destination can typically vary by up to . The distance from Toronto Region of Waterloo Intl Airport to USA is about 3257 km.

  • What are the most popular routes from Toronto Region of Waterloo Intl Airport to USA?

    Most travellers choose Toronto Region of Waterloo Intl - Los Angeles, Toronto Region of Waterloo Intl - Seattle/Tacoma Intl or Toronto Region of Waterloo Intl - Las Vegas Harry Reid Intl when deciding on the best route from Toronto Region of Waterloo Intl Airport to USA.

  • Can I find deals for flights from Region of Waterloo Intl to USA that include hotel bookings?

    Yes. In addition to deals on Region of Waterloo Intl to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Region of Waterloo Intl to USA?

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

  • Can I find deals for business class flights from Region of Waterloo Intl to USA?

    Yes. Cheapflights offers flight deals from Region of Waterloo Intl to USA 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 Toronto Region of Waterloo Intl Airport to USA?

    Currently, April is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 89). Flying from Toronto Region of Waterloo Intl Airport to USA in September is currently the most expensive (average of C$ 219). 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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Alternative routes for Region of Waterloo Intl to USA

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Top 3 airlines flying from Region of Waterloo Intl to USA

Discover the top 3 airlines that operate flights from Region of Waterloo Intl to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 157AverageC$ 341FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Flair AirlinesCheapestC$ 166AverageC$ 239FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
Air CanadaCheapestC$ 178AverageC$ 393FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Region of Waterloo Intl to USA?

Cheapflights makes it easy to find Region of Waterloo Intl to USA flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Region of Waterloo Intl to USA?

Millions of users choose and trust Cheapflights to book the best flight deals from Region of Waterloo Intl to USA for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Region of Waterloo Intl to USA with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Region of Waterloo Intl to USA, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to USA become cheaper?

Yes, Cheapflights offers price alerts on Region of Waterloo Intl to USA flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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