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Cheap flights from Maine to Ontario from C$ 145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Ontario departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Maine to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Maine to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Maine to Ontario.

Cheap last-minute flights

Planning a quick getaway from Maine to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Maine to Ontario

Find recent round-trip train or bus tickets from Maine to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
5:00 a.m. - 2:55 p.m.BOS-YUL
9h 55m1 stop
3:55 p.m. - 9:14 a.m.YUL-BOS
17h 19m1 stop
C$ 326
Find Deal
Sat, 7 Dec - Sun, 8 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 349Porter Airlines
Find Deal
Mon, 16 Dec - Tue, 31 Dec
5:00 a.m. - 10:24 a.m.PWM-YYZ
5h 24m1 stop
6:30 a.m. - 11:49 a.m.YYZ-PWM
5h 19m1 stop
C$ 420Delta
Find Deal
Tue, 10 Dec - Tue, 17 Dec
6:01 a.m. - 1:43 p.m.PWM-YYZ
7h 42m1 stop
9:30 a.m. - 6:31 p.m.YYZ-PWM
9h 01m1 stop
C$ 423Air Canada
Find Deal
Thu, 13 Feb - Tue, 18 Feb
6:10 a.m. - 8:16 a.m.BOS-YYZ
2h 06mdirect
8:00 a.m. - 9:42 a.m.YYZ-BOS
1h 42mdirect
C$ 425Air Canada
Find Deal
Sun, 8 Dec - Wed, 11 Dec
5:45 a.m. - 9:58 a.m.BOS-YYZ
4h 13m1 stop
12:45 p.m. - 6:33 p.m.YYZ-BOS
5h 48m1 stop
C$ 428United Airlines
Find Deal
Wed, 4 Dec - Wed, 4 Dec
9:00 a.m. - 1:43 p.m.BOS-YYZ
4h 43m1 stop
2:15 p.m. - 3:57 p.m.YYZ-BOS
1h 42mdirect
C$ 438United Airlines
Find Deal
Thu, 5 Dec - Tue, 10 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
11:40 a.m. - 1:15 p.m.YTZ-BOS
1h 35mdirect
C$ 484Air Transat
Find Deal
Sat, 7 Dec - Sat, 7 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
6:40 p.m. - 8:15 p.m.YTZ-BOS
1h 35mdirect
C$ 496Air Transat
Find Deal
Thu, 5 Dec - Wed, 11 Dec
9:00 a.m. - 5:55 p.m.BOS-YYZ
8h 55m1 stop
2:00 p.m. - 7:17 p.m.YYZ-BOS
5h 17m1 stop
C$ 555Delta
Find Deal
Thu, 5 Dec - Sat, 7 Dec
5:00 a.m. - 2:55 p.m.BOS-YUL
9h 55m1 stop
C$ 145
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Thu, 5 Dec
6:00 a.m. - 2:55 p.m.BOS-YUL
8h 55m1 stop
C$ 155
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Wed, 29 Jan
4:15 p.m. - 10:13 p.m.BOS-YTZ
5h 58m1 stop
C$ 163Porter Airlines
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Tue, 10 Dec
4:15 p.m. - 10:13 p.m.BOS-YTZ
5h 58m1 stop
C$ 165Porter Airlines
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Wed, 11 Dec
5:00 a.m. - 10:24 a.m.PWM-YYZ
5h 24m1 stop
C$ 173Delta
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Tue, 10 Dec
10:50 a.m. - 3:03 p.m.BOS-YOW
4h 13m1 stop
C$ 181Air Canada
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Fri, 7 Feb
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
C$ 185Air Canada
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Fri, 24 Jan
7:38 p.m. - 1:23 p.m.BOS-YOW
17h 45m2 stops
C$ 205United Airlines
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Fri, 6 Dec
10:50 a.m. - 12:15 p.m.BOS-YUL
1h 25mdirect
C$ 213United Airlines
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Tue, 10 Dec
3:00 p.m. - 11:11 p.m.BOS-YUL
8h 11m2 stops
C$ 234Delta
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Tue, 10 Dec
6:00 a.m. - 10:15 p.m.BOS-YTZ
16h 15m2 stops
1:10 p.m. - 9:34 a.m.YTZ-BOS
20h 24m2 stops
C$ 471
Find Deal
Fri, 15 Nov - Tue, 26 Nov
4:17 p.m. - 12:25 a.m.BOS-YYZ
8h 08m1 stop
2:00 p.m. - 5:50 p.m.YYZ-BOS
3h 50m1 stop
C$ 484
Find Deal
Mon, 18 Nov - Mon, 25 Nov
10:20 a.m. - 12:19 p.m.BOS-YTZ
1h 59mdirect
1:55 p.m. - 3:30 p.m.YTZ-BOS
1h 35mdirect
C$ 675Porter Airlines
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Mon, 18 Nov - Thu, 28 Nov
2:05 p.m. - 8:26 p.m.BOS-YOW
6h 21m1 stop
4:35 p.m. - 5:50 p.m.YOW-BOS
1h 15mdirect
C$ 732Porter Airlines
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Mon, 18 Nov - Tue, 19 Nov
8:00 a.m. - 3:00 p.m.BOS-YYZ
7h 00m1 stop
7:35 a.m. - 12:16 p.m.YYZ-BOS
4h 41m1 stop
C$ 901American Airlines
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Sun, 17 Nov - Wed, 20 Nov
8:30 a.m. - 4:35 p.m.BOS-YYZ
8h 05m1 stop
3:50 p.m. - 8:39 p.m.YYZ-BOS
4h 49m1 stop
C$ 902American Airlines
Find Deal
Sun, 17 Nov - Wed, 20 Nov
7:25 p.m. - 9:25 p.m.BOS-YYZ
2h 00mdirect
8:55 p.m. - 10:39 p.m.YYZ-BOS
1h 44mdirect
C$ 905Air Canada
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Mon, 18 Nov - Mon, 25 Nov
10:45 a.m. - 12:47 p.m.BOS-YYZ
2h 02mdirect
11:00 a.m. - 4:53 p.m.YYZ-BOS
5h 53m1 stop
C$ 912Air Canada
Find Deal
Sun, 17 Nov - Wed, 20 Nov
10:45 a.m. - 12:47 p.m.BOS-YYZ
2h 02mdirect
9:00 p.m. - 12:50 p.m.YYZ-BOS
15h 50m1 stop
C$ 926United Airlines
Find Deal
Sun, 17 Nov - Mon, 18 Nov
5:25 p.m. - 9:42 p.m.BOS-YUL
4h 17m1 stop
7:00 a.m. - 12:06 p.m.YUL-BOS
5h 06m1 stop
C$ 997United Airlines
Find Deal
Fri, 15 Nov - Sun, 15 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 349Porter Airlines
Find Deal
Mon, 16 Dec - Tue, 31 Dec
2:05 p.m. - 4:04 p.m.BOS-YTZ
1h 59mdirect
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 351Porter Airlines
Find Deal
Tue, 17 Dec - Tue, 24 Dec
6:35 p.m. - 8:34 p.m.BOS-YTZ
1h 59mdirect
9:05 a.m. - 10:40 a.m.YTZ-BOS
1h 35mdirect
C$ 400
Find Deal
Thu, 5 Dec - Sun, 8 Dec
10:20 a.m. - 12:19 p.m.BOS-YTZ
1h 59mdirect
11:40 a.m. - 1:15 p.m.YTZ-BOS
1h 35mdirect
C$ 402
Find Deal
Fri, 6 Dec - Sun, 8 Dec
6:10 a.m. - 8:16 a.m.BOS-YYZ
2h 06mdirect
8:00 a.m. - 9:42 a.m.YYZ-BOS
1h 42mdirect
C$ 425Air Canada
Find Deal
Sun, 8 Dec - Wed, 11 Dec
6:10 a.m. - 8:16 a.m.BOS-YYZ
2h 06mdirect
2:15 p.m. - 3:57 p.m.YYZ-BOS
1h 42mdirect
C$ 430Air Canada
Find Deal
Tue, 3 Dec - Tue, 10 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
11:40 a.m. - 1:15 p.m.YTZ-BOS
1h 35mdirect
C$ 484Air Transat
Find Deal
Sat, 7 Dec - Sat, 7 Dec
7:00 a.m. - 8:59 a.m.BOS-YTZ
1h 59mdirect
6:40 p.m. - 8:15 p.m.YTZ-BOS
1h 35mdirect
C$ 496Air Transat
Find Deal
Thu, 5 Dec - Wed, 11 Dec
7:10 a.m. - 8:35 a.m.BOS-YUL
1h 25mdirect
1:30 p.m. - 2:55 p.m.YUL-BOS
1h 25mdirect
C$ 501United Airlines
Find Deal
Wed, 4 Dec - Sat, 7 Dec
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
10:30 a.m. - 12:12 p.m.YYZ-BOS
1h 42mdirect
C$ 561United Airlines
Find Deal
Thu, 20 Mar - Sun, 23 Mar

United Airlines flights from Maine to Region of Ontario

Our best United Airlines deals on Maine to Region of Ontario flight tickets
United Airlines
4 Dec
BOS5:45 a.m.Boston Logan Intl
4h 13m
1 stop
YYZ9:58 a.m.Toronto Pearson Intl
4 Dec
YYZ12:45 p.m.Toronto Pearson Intl
5h 48m
1 stop
BOS6:33 p.m.Boston Logan Intl
United Airlines
5 Dec
BOS9:00 a.m.Boston Logan Intl
4h 43m
1 stop
YYZ1:43 p.m.Toronto Pearson Intl
10 Dec
YYZ2:15 p.m.Toronto Pearson Intl
1h 42m
BOS3:57 p.m.Boston Logan Intl
United Airlines
11 Dec
BOS11:32 a.m.Boston Logan Intl
6h 14m
1 stop
YYZ5:46 p.m.Toronto Pearson Intl
11 Dec
YYZ8:55 p.m.Toronto Pearson Intl
1h 44m
BOS10:39 p.m.Boston Logan Intl

Air Canada flights from Maine to Region of Ontario

Our best Air Canada deals on Maine to Region of Ontario flight tickets
Air Canada
13 Feb
PWM6:01 a.m.Portland
7h 42m
1 stop
YYZ1:43 p.m.Toronto Pearson Intl
18 Feb
YYZ9:30 a.m.Toronto Pearson Intl
9h 01m
1 stop
PWM6:31 p.m.Portland
Air Canada
8 Dec
BOS6:10 a.m.Boston Logan Intl
2h 06m
YYZ8:16 a.m.Toronto Pearson Intl
11 Dec
YYZ8:00 a.m.Toronto Pearson Intl
1h 42m
BOS9:42 a.m.Boston Logan Intl
Air Canada
3 Dec
BOS6:10 a.m.Boston Logan Intl
2h 06m
YYZ8:16 a.m.Toronto Pearson Intl
10 Dec
YYZ2:15 p.m.Toronto Pearson Intl
1h 42m
BOS3:57 p.m.Boston Logan Intl

How to get the cheapest flight ticket from Maine 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 Maine to Region of Ontario flight route?

Boston Logan Intl - Montreal Pierre Elliott Trudeau Intl. Fly from Boston Logan Intl to Montreal Pierre Elliott Trudeau Intl for the best Maine - Region of Ontario flight prices

Can stopping save me money on Maine to Region of Ontario flights?

You could potentially save up to 13% on your flight if you consider stops on a Maine to Region of Ontario flight.

Cheap Maine to Region of Ontario flight deals and tips

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

Best price found

C$ 145

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Region of Ontario

4 airports
The best one-way flight to Region of Ontario from Maine in the past 72 hours is C$ 145. The best round-trip flight deal from Maine to Region of Ontario found on momondo in the last 72 hours is C$ 326.
The fastest flight from Maine to Region of Ontario takes 1h 25m
Direct flights go from Maine to Region of Ontario every day.
There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

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

    Prices for flights from Maine to Ontario refresh daily.

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

  • How old do you have to be to fly from Maine 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 Maine to Ontario.

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

    The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Maine to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Maine to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Maine.

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

Of course. momondo tracks the price of Maine to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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