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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from C$ 207

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LAX
11 Jan — 18 Jan1
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 12 December 2025.

Thu 11/126:20 a.m.YKF - LAS
1 stop14h 51mWestJet
Wed 17/128:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 10/12C$ 794
Sat 13/126:20 a.m.YKF - LAS
1 stop18h 11mWestJet
Mon 15/1210:05 a.m.LAS - YKF
2 stops16h 23mWestJet
Deal found 11/12C$ 811
Tue 23/126:20 a.m.YKF - LAS
1 stop18h 11mWestJet
Sun 28/127:30 p.m.LAS - YKF
2 stops30h 58mWestJet
Deal found 11/12C$ 852
Tue 23/126:20 a.m.YKF - LAX
1 stop18h 43mWestJet
Wed 14/17:00 a.m.LAX - YKF
1 stop19h 28mWestJet
Deal found 11/12C$ 870
Mon 22/126:20 a.m.YKF - LAX
1 stop18h 43mWestJet
Fri 9/15:45 p.m.LAX - YKF
1 stop8h 43mWestJet
Deal found 10/12C$ 898
Tue 23/126:20 a.m.YKF - LAS
1 stop18h 11mWestJet
Fri 26/128:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 11/12C$ 964
Mon 22/126:20 a.m.YKF - LAS
1 stop14h 51mWestJet
Sat 27/129:15 p.m.LAS - YKF
2 stops29h 13mWestJet
Deal found 10/12C$ 987
Tue 16/126:20 a.m.YKF - SFO
1 stop8h 52mWestJet
Sun 28/121:00 p.m.SFO - YKF
1 stop13h 28mWestJet
Deal found 9/12C$ 1,009
Tue 16/126:20 a.m.YKF - LAX
1 stop18h 43mWestJet
Mon 27/411:40 a.m.LAX - YKF
1 stop10h 05mWestJet
Deal found 10/12C$ 1,014
Tue 23/126:20 a.m.YKF - LAS
1 stop14h 51mWestJet
Mon 29/128:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 11/12C$ 1,019
Tue 30/126:20 a.m.YKF - LAS
1 stop18h 11mWestJet
Wed 31/128:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 10/12C$ 1,023
Sat 20/127:00 p.m.YKF - LAS
1 stop29h 31mWestJet
Thu 25/128:00 a.m.LAS - YKF
1 stop18h 28mWestJet
Deal found 9/12C$ 1,066

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 12 December 2025.

Round-trip from

C$ 317

One-way from

C$ 207

Popular in

December

Cheapest in

January

Average price

C$ 408

Good one-way deal

C$ 177 or less
WestJet
  • WestJet
  • 22/5-25/5
  • 2 total stops
  • 32h 08m total
  • Toronto to USA
Search Deals
WestJet
  • WestJet
  • 7/2
  • 2 total stops
  • 26h 30m total
  • Toronto to USA
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 7 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 December 2025
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 12 December 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

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Fri 22/5

6:00 a.m.-8:28 p.m.

1 stop17h 28m

Seattle/Tacoma Intl

Mon 25/5

7:05 a.m.-12:45 a.m.

1 stop14h 40m

C$ 317

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 30/4

6:00 a.m.-8:28 p.m.

1 stop17h 28m

Seattle/Tacoma Intl

Thu 7/5

7:05 a.m.-12:45 a.m.

1 stop14h 40m

C$ 319

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Sat 7/2

7:00 p.m.-10:49 p.m.

1 stop29h 49m

Phoenix Sky Harbor Intl

Wed 11/2

9:00 a.m.-5:29 a.m.

1 stop18h 29m

C$ 346

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Mon 19/1

6:20 a.m.-10:47 p.m.

1 stop18h 27m

Phoenix Sky Harbor Intl

Fri 23/1

2:05 p.m.-5:28 a.m.

2 stops13h 23m

C$ 348

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Thu 15/1

6:20 a.m.-10:47 p.m.

1 stop18h 27m

Phoenix Sky Harbor Intl

Sun 18/1

9:00 a.m.-5:28 a.m.

1 stop18h 28m

C$ 367

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 10/2

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Sun 3/5

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 374

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 10/2

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Mon 4/5

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 374

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 24/1

7:00 p.m.-12:12 p.m.

1 stop20h 12m

San Francisco

Fri 30/1

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 381

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 7/5

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

1 stop8h 54m

San Francisco

Sun 10/5

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 399

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 29/4

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

1 stop8h 54m

San Francisco

Tue 5/5

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 399

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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$ 90). Flying from Toronto Region of Waterloo Intl Airport to USA in September is currently the most expensive (average of C$ 221). 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 12 December 2025.

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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 45% on airfare.

What is the cheapest day to fly from Toronto Region of Waterloo Intl Airport to USA?

Use this chart to determine the cheapest time to fly round-trip from Region of Waterloo Intl to USA. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Toronto Region of Waterloo Intl Airport to USA flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

About 30% of weekly flights between Toronto and United States have experienced delays in the past year, with the average delay time being 133 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 early afternoon 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 31% 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 12 December 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
8.0
Very good
397 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

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
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

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
3,194 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

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
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

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
255 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Crew

8.6

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 17h 28m. 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 - Orlando, Toronto Region of Waterloo Intl - Las Vegas Harry Reid Intl or Toronto Region of Waterloo Intl - Los Angeles 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$ 90). Flying from Toronto Region of Waterloo Intl Airport to USA in September is currently the most expensive (average of C$ 221). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapestC$ 143AverageC$ 216FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights
WestJetCheapestC$ 158AverageC$ 449FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 228AverageC$ 403FlexibilityNo 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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