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Cheap flights from Boston to Ontario from C$ 143

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 30/1. 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 Boston to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:40 p.m. - 10:34 p.m.BOS-YYZ
6h 54m1 stop
Air Canada Logo
9:00 a.m. - 2:52 p.m.YYZ-BOS
5h 52m1 stop
C$ 317Air Canada
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Porter Airlines Logo
6:55 p.m. - 8:50 p.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
9:30 a.m. - 11:05 a.m.YTZ-BOS
1h 35mdirect
C$ 317Porter Airlines
Find Deal
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
7:00 a.m. - 8:55 a.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
8:30 p.m. - 10:05 p.m.YTZ-BOS
1h 35mdirect
C$ 319Porter Airlines
Find Deal
Sun, 28 Dec - Tue, 30 Dec
Air Canada Logo
10:45 a.m. - 12:48 p.m.BOS-YYZ
2h 03mdirect
Air Canada Logo
9:00 a.m. - 2:52 p.m.YYZ-BOS
5h 52m1 stop
C$ 319Air Canada
Find Deal
Thu, 8 Jan - Mon, 12 Jan
Porter Airlines Logo
3:30 p.m. - 10:03 p.m.BOS-YTZ
6h 33m1 stop
Porter Airlines Logo
6:55 p.m. - 8:30 p.m.YTZ-BOS
1h 35mdirect
C$ 320Porter Airlines
Find Deal
Thu, 8 Jan - Mon, 12 Jan
Porter Airlines Logo
3:30 p.m. - 7:08 p.m.BOS-YTZ
3h 38m1 stop
Porter Airlines Logo
6:55 p.m. - 8:30 p.m.YTZ-BOS
1h 35mdirect
C$ 322Porter Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Air Canada Logo
3:40 p.m. - 10:34 p.m.BOS-YYZ
6h 54m1 stop
Air Canada Logo
12:30 a.m. - 9:32 a.m.YYZ-BOS
9h 02m1 stop
C$ 323Air Canada
Find Deal
Fri, 9 Jan - Thu, 15 Jan
Porter Airlines Logo
7:00 a.m. - 8:55 a.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 323Porter Airlines
Find Deal
Fri, 19 Dec - Fri, 2 Jan
WestJet Logo
6:25 p.m. - 12:40 a.m.BOS-YHM
30h 15m1 stop
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
C$ 803WestJet
Find Deal
Thu, 14 May - Sun, 17 May
WestJet Logo
6:25 p.m. - 12:40 a.m.BOS-YHM
30h 15m1 stop
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
C$ 996WestJet
Find Deal
Thu, 14 May - Mon, 18 May

Air Canada flights from Boston to Region of Ontario

Our best Air Canada deals on Boston to Region of Ontario flight tickets
Air Canada
9 Jan
BOS3:40 p.m.Boston Logan Intl
6h 54m
1 stop
YYZ10:34 p.m.Toronto Pearson Intl
11 Jan
YYZ9:00 a.m.Toronto Pearson Intl
5h 52m
1 stop
BOS2:52 p.m.Boston Logan Intl
C$ 317
Find similar
Air Canada
8 Jan
BOS10:45 a.m.Boston Logan Intl
2h 03m
YYZ12:48 p.m.Toronto Pearson Intl
12 Jan
YYZ9:00 a.m.Toronto Pearson Intl
5h 52m
1 stop
BOS2:52 p.m.Boston Logan Intl
C$ 319
Find similar
Air Canada
9 Jan
BOS3:40 p.m.Boston Logan Intl
6h 54m
1 stop
YYZ10:34 p.m.Toronto Pearson Intl
15 Jan
YYZ12:30 a.m.Toronto Pearson Intl
9h 02m
1 stop
BOS9:32 a.m.Boston Logan Intl
C$ 323
Find similar

United Airlines flights from Boston to Region of Ontario

Our best United Airlines deals on Boston to Region of Ontario flight tickets
United Airlines
16 Dec
BOS6:23 p.m.Boston Logan Intl
15h 35m
1 stop
YYZ9:58 a.m.Toronto Pearson Intl
17 Dec
YYZ12:45 p.m.Toronto Pearson Intl
4h 46m
1 stop
BOS5:31 p.m.Boston Logan Intl
C$ 374
Find similar
United Airlines
10 Dec
BOS9:10 a.m.Boston Logan Intl
4h 33m
1 stop
YYZ1:43 p.m.Toronto Pearson Intl
31 Dec
YYZ10:00 a.m.Toronto Pearson Intl
13h 54m
1 stop
BOS11:54 p.m.Boston Logan Intl
C$ 439
Find similar
United Airlines
10 Dec
BOS6:15 a.m.Boston Logan Intl
2h 02m
YYZ8:17 a.m.Toronto Pearson Intl
31 Dec
YYZ10:00 a.m.Toronto Pearson Intl
13h 54m
1 stop
BOS11:54 p.m.Boston Logan Intl
C$ 532
Find similar

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 96,600 searches. Data last updated 26 November 2025.
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 9/1

3:40 p.m.-10:34 p.m.

1 stop6h 54m

Toronto Pearson Intl

Sun 11/1

9:00 a.m.-2:52 p.m.

1 stop5h 52m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

Toronto Island

Sun 11/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 28/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Tue 30/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

C$ 319

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 8/1

10:45 a.m.-12:48 p.m.

Nonstop2h 03m

Toronto Pearson Intl

Mon 12/1

9:00 a.m.-2:52 p.m.

1 stop5h 52m

C$ 319

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

3:30 p.m.-10:03 p.m.

1 stop6h 33m

Toronto Island

Mon 12/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 320

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

3:30 p.m.-7:08 p.m.

1 stop3h 38m

Toronto Island

Thu 15/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 322

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 9/1

3:40 p.m.-10:34 p.m.

1 stop6h 54m

Toronto Pearson Intl

Thu 15/1

12:30 a.m.-9:32 a.m.

1 stop9h 02m

C$ 323

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 19/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Fri 2/1

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 323

BostonHamilton

BOS - YHM

BOSYHM

Boston Logan Intl

Thu 14/5

6:25 p.m.-12:40 a.m.

1 stop30h 15m

Hamilton

Sun 17/5

6:00 a.m.-5:40 p.m.

1 stop11h 40m

C$ 803

BostonHamilton

BOS - YHM

BOSYHM

Boston Logan Intl

Thu 14/5

6:25 p.m.-12:40 a.m.

1 stop30h 15m

Hamilton

Mon 18/5

6:00 a.m.-5:40 p.m.

1 stop11h 40m

C$ 996

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?

In general, October is the cheapest month to fly from Boston to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 385. If you are unable to visit Region of Ontario during the month of October, then departing from Boston during the month September is also very affordable. Most momondo users find prices during this month for around C$ 401.

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

The cheapest day to depart from Boston to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 440. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 541.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Boston to Region of Ontario during this time can be as low as C$ 456. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 551 on average. Flights to Region of Ontario from Boston in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 C$ 533 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 C$ 391 on momondo.

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

There are 3 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 14% 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

C$ 208

Fastest flight time

1h 18m

Direct flights

Every day

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from Boston in the past 72 hours is C$ 208. The best round-trip flight deal from Boston to Region of Ontario found on momondo in the last 72 hours is C$ 413.
The fastest flight from Boston to Region of Ontario takes 1h 18m
Direct flights go from Boston to Region of Ontario every day.
There are 2 airports near Region of Ontario: Ottawa (YOW), 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 are updated daily.

  • 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 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 Boston Logan Intl Airport to Ontario.

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

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable 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
Air CanadaPriceFrom C$ 276Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 310Free CancellationRating
8.0
394 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 351Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. All flights to Ontario from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Boston to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your Region of Ontario trip

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