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Cheap flights from the United States to Toronto Region of Waterloo Intl Airport from C$ 127

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YKF
4 Aug — 11 Aug1
1 adult

Cheap flight deals from USA to Region of Waterloo Intl

Keep the following information in mind while searching for USA to Region of Waterloo Intl flight deals. Data was last updated 30 July 2025.

Round-trip from

C$ 330

One-way from

C$ 135

Popular in

August

Cheapest in

January

Average price

C$ 360
WestJet
  • WestJet
  • 27/8-31/8
  • 2 total stops
  • 28h 53m total
  • USA to Toronto
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WestJet
  • WestJet
  • 27/8
  • 1 total stop
  • 10h 06m total
  • USA to Toronto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from USA to Region of Waterloo Intl

Cheapest flights from USA to Region of Waterloo Intl
Explore the most affordable flight options available from USA to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Wed 27/811:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Sun 31/86:00 a.m.YKF - LAX
1 stop18h 47mWestJet
Deal found 29/7C$ 330
Mon 18/811:30 a.m.LAX - YKF
1 stop16h 40mMultiple Airlines
Mon 25/86:00 a.m.YKF - LAX
1 stop11h 12mMultiple Airlines
Deal found 29/7C$ 372
Mon 29/910:00 a.m.LAS - YKF
2 stops11h 45mWestJet
Thu 2/106:00 a.m.YKF - LAS
2 stops12h 01mWestJet
Deal found 29/7C$ 379
Wed 27/81:50 p.m.SEA - YKF
1 stop7h 56mWestJet
Thu 28/86:00 a.m.YKF - SEA
1 stop9h 58mWestJet
Deal found 28/7C$ 383
Tue 19/812:50 p.m.SFO - YKF
1 stop8h 56mWestJet
Thu 28/86:00 a.m.YKF - SFO
1 stop8h 56mWestJet
Deal found 29/7C$ 415
Sat 13/95:30 a.m.SEA - YKF
2 stops21h 00mMultiple Airlines
Sun 21/96:15 a.m.YKF - SEA
1 stop9h 18mMultiple Airlines
Deal found 28/7C$ 425
Tue 16/910:15 a.m.SFO - YKF
2 stops16h 15mMultiple Airlines
Fri 19/96:00 a.m.YKF - SFO
1 stop8h 54mMultiple Airlines
Deal found 30/7C$ 432
Tue 26/810:36 p.m.LAS - YKF
2 stops23h 10mMultiple Airlines
Tue 2/96:00 a.m.YKF - LAS
2 stops29h 14mMultiple Airlines
Deal found 29/7C$ 443
Fri 3/101:10 p.m.PHX - YKF
1 stop8h 35mWestJet
Mon 6/106:00 a.m.YKF - PHX
1 stop9h 22mWestJet
Deal found 29/7C$ 455
Thu 21/811:15 a.m.SAN - YKF
1 stop10h 31mWestJet
Sat 23/86:00 a.m.YKF - SAN
1 stop10h 20mWestJet
Deal found 30/7C$ 459
Fri 5/912:15 p.m.DEN - YKF
1 stop15h 00mMultiple Airlines
Sun 7/96:00 a.m.YKF - DEN
1 stop14h 48mMultiple Airlines
Deal found 30/7C$ 463
Thu 14/810:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Mon 18/88:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Deal found 28/7C$ 465

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Region of Waterloo Intl 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 30 July 2025.
Use the filters below to find and compare flights from the United States to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

USA

Fly to

Region of Waterloo Intl

Route

Depart

Return

Price

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 27/8

11:40 a.m.-12:46 a.m.

1 stop10h 06m

Toronto Region of Waterloo Intl

Sun 31/8

6:00 a.m.-9:47 p.m.

1 stop18h 47m

C$ 330

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 18/8

11:30 a.m.-7:10 a.m.

1 stop16h 40m

Toronto Region of Waterloo Intl

Mon 25/8

6:00 a.m.-2:12 p.m.

1 stop11h 12m

C$ 372

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Mon 29/9

10:00 a.m.-12:45 a.m.

2 stops11h 45m

Toronto Region of Waterloo Intl

Thu 2/10

6:00 a.m.-3:01 p.m.

2 stops12h 01m

C$ 379

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 27/8

1:50 p.m.-12:46 a.m.

1 stop7h 56m

Toronto Region of Waterloo Intl

Thu 28/8

6:00 a.m.-12:58 p.m.

1 stop9h 58m

C$ 383

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 19/8

12:50 p.m.-12:46 a.m.

1 stop8h 56m

Toronto Region of Waterloo Intl

Thu 28/8

6:00 a.m.-11:56 a.m.

1 stop8h 56m

C$ 415

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sat 13/9

5:30 a.m.-5:30 a.m.

2 stops21h 00m

Toronto Region of Waterloo Intl

Sun 21/9

6:15 a.m.-12:33 p.m.

1 stop9h 18m

C$ 425

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 16/9

10:15 a.m.-5:30 a.m.

2 stops16h 15m

Toronto Region of Waterloo Intl

Fri 19/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 432

Las VegasToronto

LAS - YKF

LASYKF

Las Vegas Harry Reid Intl

Tue 26/8

10:36 p.m.-12:46 a.m.

2 stops23h 10m

Toronto Region of Waterloo Intl

Tue 2/9

6:00 a.m.-8:14 a.m.

2 stops29h 14m

C$ 443

PhoenixToronto

PHX - YKF

PHXYKF

Phoenix Sky Harbor Intl

Fri 3/10

1:10 p.m.-12:45 a.m.

1 stop8h 35m

Toronto Region of Waterloo Intl

Mon 6/10

6:00 a.m.-12:22 p.m.

1 stop9h 22m

C$ 455

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Thu 21/8

11:15 a.m.-12:46 a.m.

1 stop10h 31m

Toronto Region of Waterloo Intl

Sat 23/8

6:00 a.m.-1:20 p.m.

1 stop10h 20m

C$ 459

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 42 results
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Best time to book a flight from USA to Region of Waterloo Intl

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

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

Find hourly flight availability from USA to Region of Waterloo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

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

Reviews of airlines servicing Region of Waterloo Intl

Get insights into the airlines that provide service to Region of Waterloo Intl. 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 Region of Waterloo Intl. Reviews last updated 30 July 2025.
Read through reviews of airlines operating flights from the United States to Toronto Region of Waterloo Intl Airport, such as WestJet and Flair Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,975 reviews
Check prices

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
2,975 reviews
WestJet
7.2
Good
2,975 reviews
Check prices

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
Flair Airlines
6.0
Okay
247 reviews
WestJet
7.2
Good
2,975 reviews
Check prices

Overall

7.2

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.0

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

Find useful and relevant information for your journey from USA to Region of Waterloo Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    While some choose either Los Angeles - Toronto Region of Waterloo Intl or Seattle/Tacoma Intl - Toronto Region of Waterloo Intl, San Francisco - Toronto Region of Waterloo Intl is the most popular route from USA to Toronto Region of Waterloo Intl Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from USA to Toronto Region of Waterloo Intl Airport (average of C$ 114). Flying from USA to Toronto Region of Waterloo Intl Airport in December is currently the most expensive (average of C$ 246). 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

Travelling to a place near Toronto Region of Waterloo Intl Airport?

Book flights to Toronto Region of Waterloo Intl Airport if you plan to visit one of these locations
Sauble Beach

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Alternative routes for USA to Region of Waterloo Intl

See prices for flight routes from nearby airports that may be better suited for you.
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