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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from C$ 170
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — LAX
3 Aug — 10 Aug1
Round-trip
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 29 July 2025.
Find flight deals from Region of Waterloo Intl to USA
Cheapest flights from Region of Waterloo Intl to USAExplore 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 29 July 2025.
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 29 July 2025.
Fri 22/86:00 a.m.YKF - LAX
1 stop11h 12mWestJet
Wed 27/811:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Deal found 29/7C$ 288
Fri 22/86:00 a.m.YKF - SEA
1 stop9h 58mWestJet
Mon 25/82:05 p.m.SEA - YKF
1 stop7h 41mWestJet
Deal found 27/7C$ 342
Fri 29/86:00 a.m.YKF - LAX
1 stop11h 12mMultiple Airlines
Sat 6/911:30 a.m.LAX - YKF
2 stops15h 00mMultiple Airlines
Deal found 28/7C$ 358
Fri 22/86:00 a.m.YKF - LAS
1 stop14h 35mWestJet
Mon 25/811:30 a.m.LAS - YKF
1 stop10h 16mWestJet
Deal found 28/7C$ 375
Thu 21/86:00 a.m.YKF - SFO
1 stop8h 56mWestJet
Tue 26/87:30 a.m.SFO - YKF
1 stop8h 26mWestJet
Deal found 27/7C$ 387
Wed 17/96:30 a.m.YKF - SEA
2 stops15h 06mMultiple Airlines
Sat 20/92:55 p.m.SEA - YKF
2 stops11h 35mMultiple Airlines
Deal found 27/7C$ 387
Mon 25/86:00 a.m.YKF - SAN
1 stop10h 20mWestJet
Thu 28/811:15 a.m.SAN - YKF
1 stop10h 31mWestJet
Deal found 28/7C$ 390
Thu 11/96:00 a.m.YKF - PHX
1 stop9h 22mWestJet
Wed 17/91:10 p.m.PHX - YKF
1 stop8h 35mWestJet
Deal found 27/7C$ 420
Thu 28/86:00 a.m.YKF - SFO
1 stop8h 56mMultiple Airlines
Fri 5/95:45 a.m.SFO - YKF
3 stops16h 00mMultiple Airlines
Deal found 29/7C$ 451
Mon 11/88:25 p.m.YKF - LAS
1 stop19h 08mMultiple Airlines
Wed 13/81:25 p.m.LAS - YKF
1 stop14h 45mMultiple Airlines
Deal found 27/7C$ 472
Mon 25/86:00 a.m.YKF - SAN
3 stops20h 37mMultiple Airlines
Thu 28/811:15 a.m.SAN - YKF
1 stop10h 31mMultiple Airlines
Deal found 28/7C$ 498
Sat 18/106:00 a.m.YKF - JFK
1 stop10h 32mMultiple Airlines
Mon 20/105:30 p.m.JFK - YKF
1 stop11h 45mMultiple Airlines
Deal found 27/7C$ 558
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 29 July 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
Wed 20/8
6:00 a.m.-2:12 p.m.
1 stop11h 12m
Los Angeles
Wed 27/8
11:40 a.m.-12:46 a.m.
1 stop10h 06m
C$ 273
TorontoLas Vegas
YKF - LAS
YKFLAS
Toronto Region of Waterloo Intl
Fri 12/9
6:00 a.m.-8:21 p.m.
3 stops17h 21m
Las Vegas Harry Reid Intl
Fri 19/9
11:30 a.m.-12:45 a.m.
1 stop10h 15m
C$ 324
TorontoSeattle
YKF - SEA
YKFSEA
Toronto Region of Waterloo Intl
Fri 22/8
6:00 a.m.-12:58 p.m.
1 stop9h 58m
Seattle/Tacoma Intl
Mon 25/8
2:05 p.m.-12:46 a.m.
1 stop7h 41m
C$ 342
TorontoLos Angeles
YKF - LAX
YKFLAX
Toronto Region of Waterloo Intl
Fri 29/8
6:00 a.m.-2:12 p.m.
1 stop11h 12m
Los Angeles
Sat 6/9
11:30 a.m.-5:30 a.m.
2 stops15h 00m
C$ 358
TorontoSeattle
YKF - SEA
YKFSEA
Toronto Region of Waterloo Intl
Wed 17/9
6:30 a.m.-6:36 p.m.
2 stops15h 06m
Seattle/Tacoma Intl
Sat 20/9
2:55 p.m.-5:30 a.m.
2 stops11h 35m
C$ 387
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Thu 21/8
6:00 a.m.-11:56 a.m.
1 stop8h 56m
San Francisco
Tue 26/8
7:30 a.m.-6:56 p.m.
1 stop8h 26m
C$ 387
TorontoSan Diego
YKF - SAN
YKFSAN
Toronto Region of Waterloo Intl
Mon 25/8
6:00 a.m.-1:20 p.m.
1 stop10h 20m
San Diego
Thu 28/8
11:15 a.m.-12:46 a.m.
1 stop10h 31m
C$ 390
TorontoPhoenix
YKF - PHX
YKFPHX
Toronto Region of Waterloo Intl
Thu 11/9
6:00 a.m.-12:22 p.m.
1 stop9h 22m
Phoenix Sky Harbor Intl
Wed 17/9
1:10 p.m.-12:45 a.m.
1 stop8h 35m
C$ 420
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Thu 28/8
6:00 a.m.-11:56 a.m.
1 stop8h 56m
San Francisco
Fri 5/9
5:45 a.m.-12:45 a.m.
3 stops16h 00m
C$ 451
TorontoLas Vegas
YKF - LAS
YKFLAS
Toronto Region of Waterloo Intl
Mon 11/8
8:25 p.m.-12:33 p.m.
1 stop19h 08m
Las Vegas Harry Reid Intl
Wed 13/8
1:25 p.m.-7:10 a.m.
1 stop14h 45m
C$ 472
Showing 1-10 of 42 results
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$ 229). Flying from Toronto Region of Waterloo Intl Airport to USA in March is currently the most expensive (average of C$ 297). 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 29 July 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 29 July 2025.
Check out reviews from past customers who have flown with WestJet and Flair Airlines 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.
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.0
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.0
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
Food
6.2
Crew
7.9
Boarding
7.4
Overall
7.2
Entertainment
6.1
Comfort
7.0
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
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.
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Alternative routes for Region of Waterloo Intl to USA
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Region of Waterloo Intl to USA
Discover the top 4 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 29 July 2025.
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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.