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Cheap flights from Boston to Ontario from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Ontario departing on 2/12. 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 Boston to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:30 am - 10:49 am
BOS
-
YYZ
5h 19m1 stop
Air Canada Logo
10:00 am - 2:52 pm
YYZ
-
BOS
4h 52m1 stop
$218Air Canada
Fri, Jan 30 - Sun, Feb 1
Air Canada Logo
5:30 am - 11:40 am
BOS
-
YYZ
6h 10m1 stop
Air Canada Logo
10:00 am - 2:52 pm
YYZ
-
BOS
4h 52m1 stop
$220Air Canada
Fri, Jan 30 - Sun, Feb 1
Porter Airlines Logo
6:55 pm - 8:50 pm
BOS
-
YTZ
1h 55mnonstop
Porter Airlines Logo
1:10 pm - 2:45 pm
YTZ
-
BOS
1h 35mnonstop
$226Porter Airlines
Thu, Jan 29 - Sun, Feb 1
Porter Airlines Logo
9:00 am - 10:59 am
BOS
-
YTZ
1h 59mnonstop
Porter Airlines Logo
2:05 pm - 6:10 pm
YTZ
-
BOS
4h 05m1 stop
$227Porter Airlines
Tue, Mar 31 - Fri, Apr 3
Porter Airlines Logo
1:30 pm - 3:25 pm
BOS
-
YTZ
1h 55mnonstop
Porter Airlines Logo
6:55 pm - 8:30 pm
YTZ
-
BOS
1h 35mnonstop
$229Porter Airlines
Sat, Jan 31 - Mon, Feb 2
Porter Airlines Logo
6:55 pm - 8:50 pm
BOS
-
YTZ
1h 55mnonstop
Porter Airlines Logo
2:05 pm - 6:10 pm
YTZ
-
BOS
4h 05m1 stop
$230Porter Airlines
Fri, Jan 23 - Sun, Jan 25
Porter Airlines Logo
1:30 pm - 3:25 pm
BOS
-
YTZ
1h 55mnonstop
Porter Airlines Logo
2:05 pm - 6:10 pm
YTZ
-
BOS
4h 05m1 stop
$231Porter Airlines
Sat, Jan 31 - Mon, Feb 2
Multiple Airlines Logo
5:34 am - 2:40 pm
BOS
-
YYZ
9h 06m1 stop
Multiple Airlines Logo
3:40 pm - 11:57 pm
YYZ
-
BOS
8h 17m1 stop
$236Multiple Airlines
Mon, Feb 2 - Tue, Feb 3
Multiple Airlines Logo
3:30 pm - 8:11 pm
BOS
-
YYZ
4h 41m1 stop
Multiple Airlines Logo
8:20 am - 10:02 am
YYZ
-
BOS
1h 42mnonstop
$237Multiple Airlines
Thu, Jan 29 - Sun, Feb 1
United Airlines Logo
4:35 pm - 9:21 pm
BOS
-
YXU
4h 46m1 stop
United Airlines Logo
5:10 am - 10:02 am
YXU
-
BOS
4h 52m1 stop
$707United Airlines
Wed, Feb 25 - Wed, Mar 4

Air Canada flights from Boston to Region of Ontario

Our best Air Canada deals on Boston to Region of Ontario flight tickets
Air Canada
Jan 30
BOS5:30 amBoston Logan Intl
5h 19m
1 stop
YYZ10:49 amToronto Pearson Intl
Feb 1
YYZ10:00 amToronto Pearson Intl
4h 52m
1 stop
BOS2:52 pmBoston Logan Intl
$218
Air Canada
Jan 30
BOS5:30 amBoston Logan Intl
6h 10m
1 stop
YYZ11:40 amToronto Pearson Intl
Feb 1
YYZ10:00 amToronto Pearson Intl
4h 52m
1 stop
BOS2:52 pmBoston Logan Intl
$220
Air Canada
Feb 2
BOS4:35 pmBoston Logan Intl
2h 07m
YYZ6:42 pmToronto Pearson Intl
Feb 4
YYZ10:30 amToronto Pearson Intl
1h 42m
BOS12:12 pmBoston Logan Intl
$235

Delta flights from Boston to Region of Ontario

Our best Delta deals on Boston to Region of Ontario flight tickets
Delta
Jan 24
BOS5:29 amBoston Logan Intl
6h 43m
1 stop
YUL12:12 pmMontreal Pierre Elliott Trudeau Intl
Jan 25
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
6h 19m
1 stop
BOS12:19 pmBoston Logan Intl
$322
Delta
Jan 23
BOS4:58 pmBoston Logan Intl
6h 14m
1 stop
YUL11:12 pmMontreal Pierre Elliott Trudeau Intl
Jan 25
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
6h 19m
1 stop
BOS12:19 pmBoston Logan Intl
$323
Delta
Jan 23
BOS4:58 pmBoston Logan Intl
6h 14m
1 stop
YUL11:12 pmMontreal Pierre Elliott Trudeau Intl
Jan 25
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
9h 53m
2 stops
BOS3:53 pmBoston Logan Intl
$331

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 January 11, 2026.
Use the filters below to find and compare flights from Boston to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 1/30

5:30 am-10:49 am

1 stop5h 19m

Toronto Pearson Intl

Sun 2/1

10:00 am-2:52 pm

1 stop4h 52m

$218

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 1/30

5:30 am-11:40 am

1 stop6h 10m

Toronto Pearson Intl

Sun 2/1

10:00 am-2:52 pm

1 stop4h 52m

$220

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 1/29

6:55 pm-8:50 pm

Nonstop1h 55m

Toronto Island

Sun 2/1

1:10 pm-2:45 pm

Nonstop1h 35m

$226

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 3/31

9:00 am-10:59 am

Nonstop1h 59m

Toronto Island

Fri 4/3

2:05 pm-6:10 pm

1 stop4h 05m

$227

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 1/31

1:30 pm-3:25 pm

Nonstop1h 55m

Toronto Island

Mon 2/2

6:55 pm-8:30 pm

Nonstop1h 35m

$229

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 1/23

6:55 pm-8:50 pm

Nonstop1h 55m

Toronto Island

Sun 1/25

2:05 pm-6:10 pm

1 stop4h 05m

$230

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 1/31

1:30 pm-3:25 pm

Nonstop1h 55m

Toronto Island

Mon 2/2

2:05 pm-6:10 pm

1 stop4h 05m

$231

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 2/2

5:34 am-2:40 pm

1 stop9h 06m

Toronto Pearson Intl

Tue 2/3

3:40 pm-11:57 pm

1 stop8h 17m

$236

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 1/29

3:30 pm-8:11 pm

1 stop4h 41m

Toronto Pearson Intl

Sun 2/1

8:20 am-10:02 am

Nonstop1h 42m

$237

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Wed 2/25

4:35 pm-9:21 pm

1 stop4h 46m

London

Wed 3/4

5:10 am-10:02 am

1 stop4h 52m

$707

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 Boston 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 October is, on average, the cheapest month to fly to Region of Ontario from Boston, with most prices found around $273. If you aren’t able to travel during the month of October, then book flights to Region of Ontario from Boston during September instead. Flights to Region of Ontario in September, while not as cheap as those in October, still average around $278.

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

According to our data, Friday is the cheapest day to fly to Region of Ontario from Boston. The lowest ticket price found for a Friday departure recently was $371. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Boston to Region of Ontario on a Monday will generally be more expensive and average around $522. 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 in the morning. momondo users have found flights departing from Boston to Region of Ontario in the morning for as low as $403. 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 afternoon are often more expensive with an average ticket price of $475.

What is the cheapest Boston Logan Intl to Ontario flight route?

Fly from Boston Logan Intl to Toronto Island for the best Boston Logan Intl - 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 Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $358 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 Boston for as low as $293 on momondo.

What cabin class options are available on Boston Logan Intl to Ontario flights?

There are 4 cabin classes available to choose from on Boston Logan Intl 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 Boston to Region of Ontario flights?

You could potentially save up to 11% on your flight if you consider stops on a Boston to Region of Ontario flight.

Cheap Boston to Region of Ontario flight deals and tips

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

Best Price Found

$190

Fastest flight time

1h 23m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Boston in the past 72 hours is $190. The best round-trip flight deal from Boston to Region of Ontario found on momondo in the last 72 hours is $285.
The fastest flight from Boston to Region of Ontario takes 1h 23m
Direct flights go from Boston to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Boston there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Ontario?

    Prices for flights from Boston Logan Intl Airport to Ontario were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Ontario?

  • How old do you have to be to fly from Boston Logan Intl Airport to Ontario?

    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 Boston Logan Intl Airport 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 Boston to Region of Ontario?

Best airlines flying from Boston to Region of Ontario

Compare and see reviews for airlines that fly from Boston to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $126Free CancellationRating
8.0
406 reviews
Search Porter Airlines flights
DeltaPriceFrom $126Free CancellationRating
7.9
8,033 reviews
Search Delta flights
Air CanadaPriceFrom $217Free CancellationRating
7.1
10,616 reviews
Search Air Canada flights
Air TransatPriceFrom $229Free CancellationRating
7.7
493 reviews
Search Air Transat flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,111 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Boston to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

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

How can momondo help me find flights from Boston 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 Boston to Ontario.

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

If you are not ready to book a flight from Boston to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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