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Cheap flights from the United States to Ontario from $75

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 Ontario departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Ontario

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

WestJet Logo
7:00 am - 12:31 amLAX-YYZ
14h 31m2 stops
WestJet Logo
8:00 am - 6:09 pmYYZ-LAX
13h 09m2 stops
$165WestJet
Find Deal
Thu, Oct 9 - Sun, Oct 19
WestJet Logo
11:10 pm - 7:00 amLAX-YYZ
4h 50mnonstop
WestJet Logo
9:00 am - 8:21 pmYYZ-LAX
14h 21m2 stops
$166WestJet
Find Deal
Fri, Oct 10 - Sun, Oct 12
Multiple Airlines Logo
2:00 pm - 9:50 pmLAX-YYZ
4h 50mnonstop
Multiple Airlines Logo
12:00 pm - 6:09 pmYYZ-LAX
9h 09m1 stop
$167Multiple Airlines
Find Deal
Wed, Oct 8 - Sat, Oct 11
Porter Airlines Logo
10:00 am - 11:40 amEWR-YTZ
1h 40mnonstop
Porter Airlines Logo
12:30 pm - 2:00 pmYTZ-EWR
1h 30mnonstop
$204Porter Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Porter Airlines Logo
7:50 am - 9:30 amEWR-YTZ
1h 40mnonstop
Porter Airlines Logo
7:45 am - 9:15 amYTZ-EWR
1h 30mnonstop
$205Porter Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
Air Canada Logo
6:00 am - 7:56 amBOS-YYZ
1h 56mnonstop
Air Canada Logo
8:15 am - 9:55 amYYZ-BOS
1h 40mnonstop
$210Air Canada
Find Deal
Sun, Oct 12 - Sun, Oct 19
Air Canada Logo
8:00 am - 9:46 amEWR-YYZ
1h 46mnonstop
Air Canada Logo
2:05 pm - 3:49 pmYYZ-EWR
1h 44mnonstop
$211Air Canada
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
7:36 am - 9:19 amEWR-YYZ
1h 43mnonstop
United Airlines Logo
7:30 am - 9:10 amYYZ-EWR
1h 40mnonstop
$238United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
7:36 am - 9:19 amEWR-YYZ
1h 43mnonstop
United Airlines Logo
10:45 am - 12:23 pmYYZ-EWR
1h 38mnonstop
$255United Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
American Airlines Logo
8:15 am - 10:15 amJFK-YYZ
2h 00mnonstop
American Airlines Logo
7:15 am - 8:59 amYYZ-JFK
1h 44mnonstop
$298American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12

Air Canada flights from United States to Region of Ontario

Our best Air Canada deals on United States to Region of Ontario flight tickets
Air Canada
Oct 12
BOS6:00 amBoston Logan Intl
1h 56m
YYZ7:56 amToronto Pearson Intl
Oct 19
YYZ8:15 amToronto Pearson Intl
1h 40m
BOS9:55 amBoston Logan Intl
$210
Find similar
Air Canada
Oct 31
EWR8:00 amNewark
1h 46m
YYZ9:46 amToronto Pearson Intl
Nov 7
YYZ2:05 pmToronto Pearson Intl
1h 44m
EWR3:49 pmNewark
$211
Find similar
Air Canada
Oct 30
EWR6:55 pmNewark
1h 47m
YYZ8:42 pmToronto Pearson Intl
Nov 6
YYZ2:05 pmToronto Pearson Intl
1h 44m
EWR3:49 pmNewark
$213
Find similar

Delta flights from United States to Region of Ontario

Our best Delta deals on United States to Region of Ontario flight tickets
Delta
Oct 11
JFK3:25 pmNew York John F Kennedy Intl
1h 58m
YYZ5:23 pmToronto Pearson Intl
Oct 16
YYZ6:00 amToronto Pearson Intl
1h 59m
JFK7:59 amNew York John F Kennedy Intl
$275
Find similar
Delta
Oct 21
LGA5:00 pmNew York LaGuardia
1h 40m
YUL6:40 pmMontreal Pierre Elliott Trudeau Intl
Oct 29
YUL7:30 pmMontreal Pierre Elliott Trudeau Intl
1h 34m
LGA9:04 pmNew York LaGuardia
$278
Find similar
Delta
Oct 15
JFK7:20 amNew York John F Kennedy Intl
7h 25m
1 stop
YYZ2:45 pmToronto Pearson Intl
Oct 19
YYZ6:00 amToronto Pearson Intl
1h 59m
JFK7:59 amNew York John F Kennedy Intl
$284
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to Region of Ontario 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 September 16, 2025.
Use the filters below to find and compare flights from the United States to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 10/9

7:00 am-12:31 am

2 stops14h 31m

Toronto Pearson Intl

Sun 10/19

8:00 am-6:09 pm

2 stops13h 09m

$165

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 10/10

11:10 pm-7:00 am

Nonstop4h 50m

Toronto Pearson Intl

Sun 10/12

9:00 am-8:21 pm

2 stops14h 21m

$166

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 10/8

2:00 pm-9:50 pm

Nonstop4h 50m

Toronto Pearson Intl

Sat 10/11

12:00 pm-6:09 pm

1 stop9h 09m

$167

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Fri 10/31

10:00 am-11:40 am

Nonstop1h 40m

Toronto Island

Fri 11/7

12:30 pm-2:00 pm

Nonstop1h 30m

$204

NewarkToronto

EWR - YTZ

EWRYTZ

Newark

Thu 10/9

7:50 am-9:30 am

Nonstop1h 40m

Toronto Island

Thu 10/16

7:45 am-9:15 am

Nonstop1h 30m

$205

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 10/12

6:00 am-7:56 am

Nonstop1h 56m

Toronto Pearson Intl

Sun 10/19

8:15 am-9:55 am

Nonstop1h 40m

$210

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Fri 10/31

8:00 am-9:46 am

Nonstop1h 46m

Toronto Pearson Intl

Fri 11/7

2:05 pm-3:49 pm

Nonstop1h 44m

$211

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Thu 10/9

7:36 am-9:19 am

Nonstop1h 43m

Toronto Pearson Intl

Sun 10/12

7:30 am-9:10 am

Nonstop1h 40m

$238

NewarkToronto

EWR - YYZ

EWRYYZ

Newark

Sat 10/11

7:36 am-9:19 am

Nonstop1h 43m

Toronto Pearson Intl

Wed 10/15

10:45 am-12:23 pm

Nonstop1h 38m

$255

New YorkToronto

JFK - YYZ

JFKYYZ

New York John F Kennedy Intl

Thu 10/9

8:15 am-10:15 am

Nonstop2h 00m

Toronto Pearson Intl

Sun 10/12

7:15 am-8:59 am

Nonstop1h 44m

$298

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from United States to Region of Ontario

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 Region of Ontario?

The month of May is, on average, the cheapest month to fly to Region of Ontario from United States, with most prices found around $241. If you aren’t able to travel during the month of May, then book flights to Region of Ontario from United States during January instead. Flights to Region of Ontario in January, while not as cheap as those in May, still average around $249.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from United States. The lowest ticket price found for a Thursday departure recently was $358. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to Region of Ontario on a Sunday will generally be more expensive and average around $560. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from United States to Region of Ontario at noon for as low as $299. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $551.

What is the cheapest United States to Ontario flight route?

Fly from Orlando to London for the best United States - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $257 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from United States for as low as $197 on momondo.

What cabin class options are available on United States to Ontario flights?

There are 4 cabin classes available to choose from on United States to Ontario 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 Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between United States to Region of Ontario.

Cheap United States to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Region of Ontario

Best Price Found

$69

Fastest flight time

1h 23m

Direct flights

Every day

Airports in Region of Ontario

1 airport
The best one-way flight to Region of Ontario from United States in the past 72 hours is $69. The best round-trip flight deal from United States to Region of Ontario found on momondo in the last 72 hours is $130.
The fastest flight from United States to Region of Ontario takes 1h 23m
Direct flights go from United States to Region of Ontario every day.
There is 1 airport near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

  • When did momondo last update prices for flights from United States to Ontario?

    Prices for flights from United States to Ontario refresh daily.

  • How many operators does momondo search for flights from United States to Ontario?

  • How old do you have to be to fly from United States to Ontario?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents you'll need for your trip to Ontario 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 Ontario. 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 United States to Region of Ontario?

Best airlines flying from United States to Region of Ontario

Compare and see reviews for airlines that fly from United States to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Flair AirlinesPriceFrom $32Free CancellationRating
6.0
249 reviews
Search Flair Airlines flights
FrontierPriceFrom $36Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
United AirlinesPriceFrom $68Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air CanadaPriceFrom $75Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $94Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
WestJetPriceFrom $105Free CancellationRating
7.2
3,093 reviews
Search WestJet flights
DeltaPriceFrom $107Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Air TransatPriceFrom $132Free CancellationRating
7.7
438 reviews
Search Air Transat flights
American AirlinesPriceFrom $199Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from United States which offer a flexible booking policy as well as other useful filters and features.

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

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 United States to Ontario.

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

Price alerts on flights to Ontario from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ontario

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