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Cheap flights from Toronto Region of Waterloo Intl Airport to the United States from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto Region of Waterloo Intl Airport to the United States departing on 3/5. 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 Toronto Region of Waterloo Intl Airport to the United States

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:20 am - 2:20 pmYKF-SEA
11h 00m1 stop
WestJet Logo
3:10 pm - 5:28 amSEA-YKF
11h 18m1 stop
$228WestJet
Find Deal
Thu, Jan 22 - Wed, Jan 28
WestJet Logo
6:20 am - 10:49 pmYKF-PHX
18h 29m1 stop
WestJet Logo
9:10 pm - 5:29 amPHX-YKF
30h 19m2 stops
$273WestJet
Find Deal
Thu, Feb 19 - Sun, Feb 22
WestJet Logo
6:20 am - 1:19 pmYKF-PHX
32h 59m2 stops
WestJet Logo
2:05 pm - 5:29 amPHX-YKF
13h 24m2 stops
$274WestJet
Find Deal
Tue, Feb 10 - Fri, Feb 20
WestJet Logo
6:20 am - 9:33 pmYKF-LAS
18h 13m1 stop
WestJet Logo
1:10 pm - 5:29 amLAS-YKF
13h 19m2 stops
$278WestJet
Find Deal
Tue, Mar 3 - Fri, Mar 6
WestJet Logo
6:20 am - 10:03 pmYKF-LAX
18h 43m1 stop
WestJet Logo
7:00 am - 5:28 amLAX-YKF
19h 28m1 stop
$281WestJet
Find Deal
Thu, Jan 22 - Sun, Jan 25
WestJet Logo
6:20 am - 10:47 pmYKF-PHX
18h 27m1 stop
WestJet Logo
2:05 pm - 5:28 amPHX-YKF
13h 23m2 stops
$282WestJet
Find Deal
Sat, Dec 6 - Wed, Dec 10
WestJet Logo
6:20 am - 10:03 pmYKF-LAX
18h 43m1 stop
WestJet Logo
7:00 am - 5:28 amLAX-YKF
19h 28m1 stop
$282WestJet
Find Deal
Thu, Jan 22 - Sun, Jan 25
WestJet Logo
6:20 am - 10:03 pmYKF-LAX
18h 43m1 stop
WestJet Logo
7:00 am - 5:28 amLAX-YKF
19h 28m1 stop
$283WestJet
Find Deal
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
7:05 am - 10:47 pmYKF-PHX
17h 42m1 stop
Multiple Airlines Logo
2:05 pm - 5:28 amPHX-YKF
13h 23m2 stops
$305Multiple Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
7:05 am - 10:47 pmYKF-PHX
17h 42m1 stop
Multiple Airlines Logo
2:05 pm - 5:28 amPHX-YKF
13h 23m2 stops
$313Multiple Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25

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

Our best WestJet deals on Toronto Region of Waterloo Intl Airport to United States flight tickets
WestJet
Jan 22
YKF6:20 amToronto Region of Waterloo Intl
11h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
Jan 28
SEA3:10 pmSeattle/Tacoma Intl
11h 18m
1 stop
YKF5:28 amToronto Region of Waterloo Intl
$228
Find similar
WestJet
Feb 19
YKF6:20 amToronto Region of Waterloo Intl
18h 29m
1 stop
PHX10:49 pmPhoenix Sky Harbor Intl
Feb 22
PHX9:10 pmPhoenix Sky Harbor Intl
30h 19m
2 stops
YKF5:29 amToronto Region of Waterloo Intl
$273
Find similar
WestJet
Feb 10
YKF6:20 amToronto Region of Waterloo Intl
32h 59m
2 stops
PHX1:19 pmPhoenix Sky Harbor Intl
Feb 20
PHX2:05 pmPhoenix Sky Harbor Intl
13h 24m
2 stops
YKF5:29 amToronto Region of Waterloo Intl
$274
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto Region of Waterloo Intl Airport to United States 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 832,500 searches. Data last updated November 6, 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

Fly to

Route

Depart

Return

Price

TorontoSeattle

YKF - SEA

YKFSEA

Toronto Region of Waterloo Intl

Thu 1/22

6:20 am-2:20 pm

1 stop11h 00m

Seattle/Tacoma Intl

Wed 1/28

3:10 pm-5:28 am

1 stop11h 18m

$228

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Thu 2/19

6:20 am-10:49 pm

1 stop18h 29m

Phoenix Sky Harbor Intl

Sun 2/22

9:10 pm-5:29 am

2 stops30h 19m

$273

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Tue 2/10

6:20 am-1:19 pm

2 stops32h 59m

Phoenix Sky Harbor Intl

Fri 2/20

2:05 pm-5:29 am

2 stops13h 24m

$274

TorontoLas Vegas

YKF - LAS

YKFLAS

Toronto Region of Waterloo Intl

Tue 3/3

6:20 am-9:33 pm

1 stop18h 13m

Las Vegas Harry Reid Intl

Fri 3/6

1:10 pm-5:29 am

2 stops13h 19m

$278

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 1/22

6:20 am-10:03 pm

1 stop18h 43m

Los Angeles

Sun 1/25

7:00 am-5:28 am

1 stop19h 28m

$281

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Sat 12/6

6:20 am-10:47 pm

1 stop18h 27m

Phoenix Sky Harbor Intl

Wed 12/10

2:05 pm-5:28 am

2 stops13h 23m

$282

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 1/22

6:20 am-10:03 pm

1 stop18h 43m

Los Angeles

Sun 1/25

7:00 am-5:28 am

1 stop19h 28m

$282

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 1/22

6:20 am-10:03 pm

1 stop18h 43m

Los Angeles

Sun 1/25

7:00 am-5:28 am

1 stop19h 28m

$283

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Fri 1/23

7:05 am-10:47 pm

1 stop17h 42m

Phoenix Sky Harbor Intl

Sun 1/25

2:05 pm-5:28 am

2 stops13h 23m

$305

TorontoPhoenix

YKF - PHX

YKFPHX

Toronto Region of Waterloo Intl

Fri 1/23

7:05 am-10:47 pm

1 stop17h 42m

Phoenix Sky Harbor Intl

Sun 1/25

2:05 pm-5:28 am

2 stops13h 23m

$313

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 Toronto Region of Waterloo Intl Airport to United States

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 month to fly to United States?

In general, July is the cheapest month to fly from Toronto Region of Waterloo Intl Airport to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $184. If you aren’t able to travel during the month of July, then book flights to United States from Toronto Region of Waterloo Intl Airport during June instead. Flights to United States in June, while not as cheap as those in July, still average around $208.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $197. Try not to purchase tickets in the morning because they tend to be around $262. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There is only 1 cabin class available to choose from on Toronto Region of Waterloo Intl to United States 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 Toronto Region of Waterloo Intl Airport to United States flights?

No. A direct flight is the cheapest option for a flight between Toronto Region of Waterloo Intl Airport to United States.

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

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

Direct flights

None
There are no direct flights from Toronto Region of Waterloo Intl Airport to United States. There are no popular flight routes from Toronto Region of Waterloo Intl Airport to United States.
Search flight deals

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

    Prices for flights from Toronto Region of Waterloo Intl Airport to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from Toronto Region of Waterloo Intl Airport to United States?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto Region of Waterloo Intl Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Toronto Region of Waterloo Intl Airport to United States

Compare and see reviews for airlines that fly from Toronto Region of Waterloo Intl Airport to United States with momondo
Airline
Rating
Free Cancellation
Price
Flair AirlinesPriceFrom $65Free CancellationRating
6.0
253 reviews
Search Flair Airlines flights

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to United States.

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

Yes momondo offers price alerts on flights to United States from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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