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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from C$ 118

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LAX
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 237

One-way from

C$ 118

Popular in

December

Cheapest in

January

Average price

C$ 297

Good round-trip deal

C$ 278 or less

Good one-way deal

C$ 175 or less
WestJet
  • WestJet
  • 25/7-1/8
  • 2 total stops
  • 25h 58m total
  • Toronto to USA
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WestJet
  • WestJet
  • 24/8
  • 1 total stop
  • 10h 05m 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).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Toronto Region of Waterloo Intl to USA.
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Price to beat on a one-way flight from Toronto Region of Waterloo Intl to USA.
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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 12 June 2025.

Thu 16/106:00 a.m.YKF - LAX
1 stop11h 11mWestJet
Fri 24/1011:40 a.m.LAX - YKF
1 stop10h 05mWestJet
Deal found 10/6C$ 228
Thu 16/106:00 a.m.YKF - LAS
2 stops12h 01mWestJet
Sun 19/1010:00 a.m.LAS - YKF
2 stops11h 45mWestJet
Deal found 11/6C$ 263
Thu 10/76:00 a.m.YKF - PHX
2 stops12h 36mWestJet
Tue 15/71:10 p.m.PHX - YKF
1 stop8h 36mWestJet
Deal found 10/6C$ 304
Fri 12/96:00 a.m.YKF - PDX
1 stop9h 48mWestJet
Sat 13/91:45 p.m.PDX - YKF
1 stop8h 00mWestJet
Deal found 12/6C$ 306
Thu 28/87:45 p.m.YKF - SEA
2 stops19h 46mWestJet
Tue 2/97:05 a.m.SEA - YKF
1 stop8h 50mWestJet
Deal found 10/6C$ 350
Thu 24/77:45 p.m.YKF - SFO
2 stops21h 14mWestJet
Sun 3/87:30 a.m.SFO - YKF
1 stop14h 16mWestJet
Deal found 10/6C$ 391
Tue 29/76:00 a.m.YKF - LAS
2 stops14h 22mMultiple Airlines
Wed 30/711:30 a.m.LAS - YKF
1 stop10h 16mMultiple Airlines
Deal found 11/6C$ 392
Mon 4/86:00 a.m.YKF - LAX
3 stops19h 50mMultiple Airlines
Tue 12/87:00 a.m.LAX - YKF
1 stop8h 56mMultiple Airlines
Deal found 11/6C$ 392
Sun 19/106:00 a.m.YKF - SEA
2 stops11h 09mMultiple Airlines
Thu 23/101:50 p.m.SEA - YKF
1 stop7h 55mMultiple Airlines
Deal found 11/6C$ 405
Wed 9/78:25 p.m.YKF - SFO
1 stop16h 05mFlair Airlines
Wed 16/710:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Deal found 11/6C$ 416
Tue 2/96:00 a.m.YKF - PDX
1 stop9h 48mMultiple Airlines
Tue 7/107:00 a.m.PDX - YKF
2 stops14h 45mMultiple Airlines
Deal found 9/6C$ 462
Fri 18/78:25 p.m.YKF - LAX
1 stop17h 20mFlair Airlines
Sun 27/711:30 a.m.LAX - YKF
1 stop16h 40mFlair Airlines
Deal found 10/6C$ 465

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 June 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 16/10

6:00 a.m.-2:11 p.m.

1 stop11h 11m

Los Angeles

Fri 24/10

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

1 stop10h 05m

C$ 228

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Thu 16/10

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

2 stops12h 01m

Las Vegas Harry Reid Intl

Sun 19/10

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

2 stops11h 45m

C$ 263

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Thu 10/7

6:00 a.m.-3:36 p.m.

2 stops12h 36m

Phoenix Sky Harbor Intl

Tue 15/7

1:10 p.m.-12:46 a.m.

1 stop8h 36m

C$ 304

TorontoPortland

YKF - PDX

YKFPDX

Toronto Region of Waterloo Intl

Fri 12/9

6:00 a.m.-12:48 p.m.

1 stop9h 48m

Portland

Sat 13/9

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

1 stop8h 00m

C$ 306

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 28/8

7:45 p.m.-12:31 p.m.

2 stops19h 46m

Seattle/Tacoma Intl

Fri 5/9

1:50 p.m.-12:45 a.m.

1 stop7h 55m

C$ 350

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 24/7

7:45 p.m.-1:59 p.m.

2 stops21h 14m

San Francisco

Sun 3/8

7:30 a.m.-12:46 a.m.

1 stop14h 16m

C$ 391

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 29/7

6:00 a.m.-5:22 p.m.

2 stops14h 22m

Las Vegas Harry Reid Intl

Wed 30/7

11:30 a.m.-12:46 a.m.

1 stop10h 16m

C$ 392

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Mon 4/8

6:00 a.m.-10:50 p.m.

3 stops19h 50m

Los Angeles

Tue 12/8

7:00 a.m.-6:56 p.m.

1 stop8h 56m

C$ 392

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Sun 19/10

6:00 a.m.-2:09 p.m.

2 stops11h 09m

Seattle/Tacoma Intl

Thu 23/10

1:50 p.m.-12:45 a.m.

1 stop7h 55m

C$ 405

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 9/7

8:25 p.m.-9:30 a.m.

1 stop16h 05m

San Francisco

Wed 16/7

10:15 a.m.-7:10 a.m.

1 stop17h 55m

C$ 416

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 44 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, September is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 226). Flying from Toronto Region of Waterloo Intl Airport to USA in July is currently the most expensive (average of C$ 306). 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 June 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.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

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 June 2025.
To help decide which airline to fly from Toronto to USA, see what other customers have to say about WestJet and Flair Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,868 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,868 reviews
WestJet
7.2
Good
2,868 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Flair Airlines
6.0
Okay
242 reviews
WestJet
7.2
Good
2,868 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.1

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

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.

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

    Most travellers choose Toronto Region of Waterloo Intl - New York John F Kennedy Intl, 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, September is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to USA (average of C$ 226). Flying from Toronto Region of Waterloo Intl Airport to USA in July is currently the most expensive (average of C$ 306). 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 188AverageC$ 337FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 193AverageC$ 394FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 236AverageC$ 462FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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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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