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Cheap flights from the United States to Toronto from C$ 175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Toronto departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to Toronto

Recent round-trip flight deals from the United States to Toronto

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:41 a.m. - 5:29 a.m.
SEA
-
YKF
17h 48m
2 stops
Multiple Airlines Logo
6:20 a.m. - 2:19 p.m.
YKF
-
SEA
10h 59m
1 stop
C$ 357Multiple Airlines
Fri, 10 Apr - Thu, 16 Apr
WestJet Logo
3:10 p.m. - 5:29 a.m.
SEA
-
YKF
11h 19m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 377WestJet
Wed, 22 Apr - Mon, 27 Apr
WestJet Logo
3:10 p.m. - 5:29 a.m.
SEA
-
YKF
11h 19m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 394WestJet
Wed, 22 Apr - Mon, 27 Apr
WestJet Logo
7:00 a.m. - 5:29 a.m.
LAX
-
YKF
19h 29m
1 stop
WestJet Logo
6:20 a.m. - 10:03 p.m.
YKF
-
LAX
18h 43m
1 stop
C$ 402WestJet
Wed, 15 Apr - Sat, 18 Apr
WestJet Logo
2:05 p.m. - 5:29 a.m.
PHX
-
YKF
13h 24m
2 stops
WestJet Logo
6:20 a.m. - 9:49 p.m.
YKF
-
PHX
18h 29m
1 stop
C$ 403WestJet
Fri, 6 Mar - Mon, 9 Mar
WestJet Logo
8:40 p.m. - 5:29 a.m.
LAX
-
YKF
29h 49m
2 stops
WestJet Logo
6:20 a.m. - 10:03 p.m.
YKF
-
LAX
18h 43m
1 stop
C$ 414WestJet
Thu, 5 Mar - Tue, 10 Mar
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 424WestJet
Thu, 28 May - Mon, 1 Jun
WestJet Logo
7:35 p.m. - 7:50 p.m.
SEA
-
YKF
21h 15m
1 stop
WestJet Logo
8:40 p.m. - 9:40 a.m.
YKF
-
SEA
16h 00m
1 stop
C$ 426WestJet
Tue, 12 May - Sun, 17 May
WestJet Logo
11:50 a.m. - 5:29 a.m.
LAX
-
YKF
14h 39m
2 stops
WestJet Logo
6:20 a.m. - 10:03 p.m.
YKF
-
LAX
18h 43m
1 stop
C$ 430WestJet
Wed, 18 Mar - Tue, 24 Mar
Multiple Airlines Logo
3:10 p.m. - 5:29 a.m.
SEA
-
YKF
11h 19m
1 stop
Multiple Airlines Logo
7:05 a.m. - 2:19 p.m.
YKF
-
SEA
10h 14m
1 stop
C$ 551Multiple Airlines
Wed, 25 Mar - Fri, 27 Mar

WestJet flights from United States to Toronto Region of Waterloo Intl Airport

Our best WestJet deals on United States to Toronto Region of Waterloo Intl Airport flight tickets
WestJet
22 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
11h 19m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
27 Apr
YKF8:40 p.m.Toronto Region of Waterloo Intl
16h 00m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 377
WestJet
22 Apr
SEA3:10 p.m.Seattle/Tacoma Intl
11h 19m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
27 Apr
YKF8:40 p.m.Toronto Region of Waterloo Intl
16h 00m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 394
WestJet
15 Apr
LAX7:00 a.m.Los Angeles
19h 29m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
18 Apr
YKF6:20 a.m.Toronto Region of Waterloo Intl
18h 43m
1 stop
LAX10:03 p.m.Los Angeles
C$ 402

momondo Fare Finder

 
Customize your flight search to find flights from United States to Toronto Region of Waterloo Intl Airport 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, momondo users made 96,600 searches. Data last updated 29 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

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 10/4

8:41 a.m.-5:29 a.m.

2 stops17h 48m

Toronto Region of Waterloo Intl

Thu 16/4

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

1 stop10h 59m

C$ 357

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 22/4

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

1 stop11h 19m

Toronto Region of Waterloo Intl

Mon 27/4

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

1 stop16h 00m

C$ 377

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 22/4

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

1 stop11h 19m

Toronto Region of Waterloo Intl

Mon 27/4

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

1 stop16h 00m

C$ 394

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 15/4

7:00 a.m.-5:29 a.m.

1 stop19h 29m

Toronto Region of Waterloo Intl

Sat 18/4

6:20 a.m.-10:03 p.m.

1 stop18h 43m

C$ 402

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$ 403

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.-10:03 p.m.

1 stop18h 43m

C$ 414

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 28/5

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

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 1/6

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

1 stop16h 00m

C$ 424

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 12/5

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

1 stop21h 15m

Toronto Region of Waterloo Intl

Sun 17/5

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

1 stop16h 00m

C$ 426

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 18/3

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

2 stops14h 39m

Toronto Region of Waterloo Intl

Tue 24/3

6:20 a.m.-10:03 p.m.

1 stop18h 43m

C$ 430

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 25/3

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

1 stop11h 19m

Toronto Region of Waterloo Intl

Fri 27/3

7:05 a.m.-2:19 p.m.

1 stop10h 14m

C$ 551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from United States to Toronto Region of Waterloo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Toronto Region of Waterloo Intl Airport?

According to our data, Monday is the cheapest day to fly to Toronto Region of Waterloo Intl Airport from United States. The lowest ticket price found for a Monday departure recently was C$ 53. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Toronto Region of Waterloo Intl Airport on Friday is C$ 146.

What is the cheapest United States to Toronto Region of Waterloo Intl flight route?

Fly from Orlando to Toronto Region of Waterloo Intl for the best United States - Toronto Region of Waterloo Intl flight prices

What cabin class options are available on United States to Toronto Region of Waterloo Intl flights?

There is only 1 cabin class available to choose from on United States to Toronto Region of Waterloo Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Toronto Region of Waterloo Intl Airport flights?

You could potentially save up to 79% on your flight if you consider stops on a United States to Toronto Region of Waterloo Intl Airport flight.

Cheap United States to Toronto Region of Waterloo Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Toronto Region of Waterloo Intl Airport

Fastest flight time

8h 43m

Direct flights

None
The fastest flight from United States to Toronto Region of Waterloo Intl Airport takes 8h 43m
There are no direct flights from United States to Toronto Region of Waterloo Intl Airport. There are no popular flight routes from United States to Toronto Region of Waterloo Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from United States to Toronto Region of Waterloo Intl Airport?

    Prices for flights from United States to Toronto Region of Waterloo Intl Airport were last updated today.

  • How old do you have to be to fly from United States to Toronto Region of Waterloo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Toronto Region of Waterloo Intl Airport.

  • What documentation or ID do you need to fly to Toronto Region of Waterloo Intl Airport?

    The necessary travel and health documents for your Toronto Region of Waterloo Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United States to Toronto Region of Waterloo Intl Airport?

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Sauble Beach
Port Elgin
Southampton
Apsley

Why use momondo?

Why should I use momondo to find a flight deal from United States to Toronto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Toronto . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United States to Toronto with flexible booking policies on momondo?

All flight searches from United States to Toronto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United States to Toronto?

Once you have performed a search for United States to Toronto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to Toronto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Toronto, momondo offers a useful price alert feature which will track prices for flights to Toronto from United States and alert you when they change.

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