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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from C$ 164

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LAX
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 241

One-way from

C$ 164

Popular in

December

Cheapest in

January

Average price

C$ 299

Good one-way deal

C$ 177 or less
WestJet
  • WestJet
  • 24/10-27/10
  • 3 total stops
  • 28h 54m total
  • Toronto to USA
Search Deals
WestJet
  • WestJet
  • 20/10
  • 2 total stops
  • 17h 21m total
  • Toronto to USA
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a one-way flight from Toronto Region of Waterloo Intl to USA.
Search Deals

Find flight deals from Region of Waterloo Intl to USA

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 11 September 2025.

Fri 17/106:00 a.m.YKF - LAX
2 stops15h 54mWestJet
Sun 19/1011:40 a.m.LAX - YKF
1 stop10h 05mWestJet
Deal found 9/9C$ 238
Tue 4/116:20 a.m.YKF - LAX
2 stops15h 12mWestJet
Sun 9/115:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Deal found 9/9C$ 240
Fri 24/106:00 a.m.YKF - LAX
1 stop14h 16mWestJet
Mon 27/1011:50 a.m.LAX - YKF
2 stops14h 38mWestJet
Deal found 9/9C$ 241
Fri 17/106:00 a.m.YKF - LAX
2 stops15h 54mWestJet
Mon 3/115:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Deal found 9/9C$ 243
Tue 11/116:20 a.m.YKF - LAX
2 stops31h 40mWestJet
Sun 23/115:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Deal found 9/9C$ 245
Mon 29/96:00 a.m.YKF - LAS
1 stop18h 29mWestJet
Wed 1/108:00 a.m.LAS - YKF
1 stop13h 45mWestJet
Deal found 8/9C$ 248
Tue 18/116:20 a.m.YKF - LAS
2 stops32h 59mWestJet
Fri 21/111:10 p.m.LAS - YKF
2 stops13h 18mWestJet
Deal found 9/9C$ 249
Fri 17/106:00 a.m.YKF - LAX
1 stop18h 46mWestJet
Mon 20/1011:40 a.m.LAX - YKF
1 stop10h 05mWestJet
Deal found 9/9C$ 251
Tue 30/96:00 a.m.YKF - LAX
1 stop18h 46mWestJet
Sun 5/107:00 a.m.LAX - YKF
1 stop14h 45mWestJet
Deal found 9/9C$ 254
Fri 24/106:00 a.m.YKF - LAS
1 stop14h 34mWestJet
Fri 31/108:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 9/9C$ 255
Fri 24/106:00 a.m.YKF - LAX
1 stop18h 46mWestJet
Fri 31/105:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Deal found 9/9C$ 255
Tue 4/116:20 a.m.YKF - LAX
2 stops15h 12mWestJet
Wed 12/1111:50 a.m.LAX - YKF
2 stops14h 38mWestJet
Deal found 9/9C$ 256

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 11 September 2025.
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

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 23/10

6:00 a.m.-9:46 p.m.

1 stop18h 46m

Los Angeles

Wed 29/10

11:50 a.m.-5:28 a.m.

2 stops14h 38m

C$ 238

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Tue 18/11

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

1 stop18h 43m

Los Angeles

Wed 10/12

11:50 a.m.-5:28 a.m.

2 stops14h 38m

C$ 241

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Tue 4/11

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

1 stop18h 43m

Los Angeles

Wed 12/11

11:50 a.m.-5:28 a.m.

2 stops14h 38m

C$ 241

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Fri 17/10

6:00 a.m.-6:54 p.m.

2 stops15h 54m

Los Angeles

Mon 3/11

5:45 p.m.-5:28 a.m.

1 stop8h 43m

C$ 243

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Tue 11/11

6:20 a.m.-11:00 a.m.

2 stops31h 40m

Los Angeles

Sun 23/11

5:45 p.m.-5:28 a.m.

1 stop8h 43m

C$ 245

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Tue 30/9

6:00 a.m.-9:46 p.m.

1 stop18h 46m

Los Angeles

Sun 5/10

7:00 a.m.-12:45 a.m.

1 stop14h 45m

C$ 254

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 30/10

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

1 stop18h 43m

Los Angeles

Wed 5/11

5:45 p.m.-5:28 a.m.

1 stop8h 43m

C$ 261

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Fri 24/10

6:00 a.m.-6:54 p.m.

2 stops15h 54m

Los Angeles

Fri 31/10

5:45 p.m.-5:28 a.m.

1 stop8h 43m

C$ 262

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 23/10

6:00 a.m.-5:16 p.m.

1 stop14h 16m

Los Angeles

Mon 27/10

11:50 a.m.-5:28 a.m.

2 stops14h 38m

C$ 266

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Mon 1/12

6:20 a.m.-4:58 p.m.

1 stop13h 38m

Los Angeles

Wed 17/12

11:50 a.m.-5:28 a.m.

2 stops14h 38m

C$ 279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, May is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 231). Flying from Toronto Region of Waterloo Intl Airport to USA in March is currently the most expensive (average of C$ 296). 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 11 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto Region of Waterloo Intl Airport to USA as you normally would.

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 11 September 2025.
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
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
250 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 18h 46m. 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 3430 km.

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

    Most travellers choose Toronto Region of Waterloo Intl - Las Vegas Harry Reid Intl, Toronto Region of Waterloo Intl - Los Angeles or Toronto Region of Waterloo Intl - San Francisco 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, May is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 231). Flying from Toronto Region of Waterloo Intl Airport to USA in March is currently the most expensive (average of C$ 296). 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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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 144AverageC$ 244FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 204AverageC$ 329FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 240AverageC$ 429FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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