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Cheap flights from the United States to Toronto Region of Waterloo Intl Airport from C$ 181

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YKF
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Region of Waterloo Intl

Enter your travel dates to find the best prices.

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 27 January 2026.

Sat 2/52:05 p.m.
SEA
-
YKF
1 stop7h 40m
WestJet
Sat 9/56:00 a.m.
YKF
-
SEA
1 stop10h 08m
WestJet
Deal found 24/1C$ 352
Fri 10/48:41 a.m.
SEA
-
YKF
2 stops17h 48m
Multiple Airlines
Thu 16/46:20 a.m.
YKF
-
SEA
1 stop10h 59m
Multiple Airlines
Deal found 27/1C$ 360
Wed 22/43:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Mon 27/48:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Deal found 27/1C$ 397
Wed 15/47:00 a.m.
LAX
-
YKF
1 stop19h 29m
WestJet
Sat 18/46:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Deal found 27/1C$ 405
Fri 6/32:05 p.m.
PHX
-
YKF
2 stops13h 24m
WestJet
Mon 9/36:20 a.m.
YKF
-
PHX
1 stop18h 29m
WestJet
Deal found 27/1C$ 407
Fri 27/22:05 p.m.
PHX
-
YKF
2 stops13h 24m
WestJet
Tue 3/36:20 a.m.
YKF
-
PHX
1 stop18h 29m
WestJet
Deal found 26/1C$ 416
Thu 5/38:40 p.m.
LAX
-
YKF
2 stops29h 49m
WestJet
Tue 10/36:20 a.m.
YKF
-
LAX
1 stop18h 43m
WestJet
Deal found 26/1C$ 418
Thu 14/57:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Mon 18/58:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Deal found 26/1C$ 430
Wed 11/33:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Tue 24/36:20 a.m.
YKF
-
SEA
1 stop10h 59m
WestJet
Deal found 24/1C$ 433
Tue 12/57:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Sun 17/58:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Deal found 25/1C$ 434
Fri 24/41:00 p.m.
SFO
-
YKF
1 stop13h 29m
WestJet
Fri 1/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Deal found 26/1C$ 435
Mon 20/411:50 a.m.
LAX
-
YKF
2 stops14h 39m
WestJet
Sat 25/46:20 a.m.
YKF
-
LAX
1 stop13h 38m
WestJet
Deal found 26/1C$ 441

Find 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 27 January 2026.

Round-trip from

C$ 360

One-way from

C$ 181

Popular in

November

Cheapest in

February

Average price

C$ 242
WestJet
  • WestJet
  • 10/4-16/4
  • 3 total stops
  • 28h 47m total
  • USA to Toronto
Search Deals
1/3
  • 1/3
  • 2 total stops
  • 15h 39m total
  • USA to Toronto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 27 January 2026.
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

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sat 2/5

2:05 p.m.-12:45 a.m.

1 stop7h 40m

Toronto Region of Waterloo Intl

Sat 9/5

6:00 a.m.-1:08 p.m.

1 stop10h 08m

C$ 352

PhoenixToronto

PHX - YKF

PHXYKF

Phoenix Sky Harbor Intl

Fri 6/3

2:05 p.m.-5:29 a.m.

2 stops13h 24m

Toronto Region of Waterloo Intl

Mon 9/3

6:20 a.m.-9:49 p.m.

1 stop18h 29m

C$ 407

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sat 2/5

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Sun 10/5

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 430

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 4/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 8/6

8:40 p.m.-6:45 p.m.

1 stop25h 05m

C$ 430

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sat 23/5

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Wed 27/5

8:40 p.m.-6:45 p.m.

1 stop25h 05m

C$ 430

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 14/5

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 18/5

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 430

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 11/3

3:10 p.m.-5:29 a.m.

1 stop11h 19m

Toronto Region of Waterloo Intl

Tue 24/3

6:20 a.m.-2:19 p.m.

1 stop10h 59m

C$ 433

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Thu 5/3

8:40 p.m.-5:29 a.m.

2 stops29h 49m

Toronto Region of Waterloo Intl

Tue 10/3

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

2 stops31h 40m

C$ 440

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Mon 20/4

11:50 a.m.-5:29 a.m.

2 stops14h 39m

Toronto Region of Waterloo Intl

Sat 25/4

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

1 stop13h 38m

C$ 441

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 24/4

6:20 p.m.-5:29 a.m.

1 stop10h 09m

Toronto Region of Waterloo Intl

Mon 27/4

8:40 p.m.-1:55 p.m.

1 stop18h 15m

C$ 453

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 60 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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from USA to Toronto Region of Waterloo Intl Airport?

    Airlines like WestJet fly from USA to Toronto Region of Waterloo Intl Airport in about 7h 40m. The time it takes to get you to your destination can typically vary by up to . The distance between USA and Toronto Region of Waterloo Intl Airport is about 3257 km.

  • 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 San Francisco - Toronto Region of Waterloo Intl, Seattle/Tacoma Intl - 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.

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
Southampton
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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Winnipeg to Toronto Island flights
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Halifax to Region of Waterloo Intl flights
Thunder Bay to Pearson Intl flights
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Philadelphia to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights

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Can Cheapflights find flights from USA to Region of Waterloo Intl with no change fees?

Yes, we can. To see specific flights from USA to Region of Waterloo Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from USA to Region of Waterloo Intl become cheaper?

Yes, Cheapflights offers price alerts on USA to Region of Waterloo Intl 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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