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Cheap flights from Maine to Ontario from C$ 99

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 11/2. 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.
6:00 a.m. - 11:55 p.m.BOS-YYZ
17h 55m1 stop
7:05 a.m. - 11:32 p.m.YYZ-BOS
16h 27m1 stop
C$ 301
Find Deal
Tue, 4 Feb - Wed, 5 Feb
7:13 a.m. - 11:55 p.m.BOS-YYZ
16h 42m2 stops
7:00 a.m. - 4:57 p.m.YYZ-BOS
9h 57m1 stop
C$ 302
Find Deal
Tue, 11 Feb - Tue, 25 Feb
11:31 a.m. - 12:05 a.m.BOS-YYZ
12h 34m1 stop
7:05 a.m. - 11:32 p.m.YYZ-BOS
16h 27m1 stop
C$ 304
Find Deal
Sat, 25 Jan - Wed, 29 Jan
6:00 a.m. - 11:55 p.m.BOS-YYZ
17h 55m1 stop
7:05 a.m. - 8:26 a.m.YYZ-BOS
25h 21m2 stops
C$ 311
Find Deal
Tue, 4 Feb - Wed, 5 Feb
4:15 p.m. - 10:23 p.m.BOS-YTZ
6h 08m1 stop
1:05 p.m. - 6:15 p.m.YTZ-BOS
5h 10m1 stop
C$ 350Porter Airlines
Find Deal
Fri, 31 Jan - Mon, 3 Feb
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
1:05 p.m. - 6:15 p.m.YTZ-BOS
5h 10m1 stop
C$ 351Porter Airlines
Find Deal
Thu, 6 Feb - Thu, 6 Feb
10:50 a.m. - 3:41 p.m.BOS-YYZ
4h 51m1 stop
8:55 p.m. - 10:39 p.m.YYZ-BOS
1h 44mdirect
C$ 411Air Canada
Find Deal
Fri, 7 Mar - Fri, 7 Mar
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
8:00 a.m. - 9:42 a.m.YYZ-BOS
1h 42mdirect
C$ 426Air Canada
Find Deal
Thu, 30 Jan - Sun, 2 Feb
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
8:00 a.m. - 9:42 a.m.YYZ-BOS
1h 42mdirect
C$ 439Lufthansa
Find Deal
Fri, 31 Jan - Sun, 2 Feb
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
1:55 p.m. - 3:30 p.m.YTZ-BOS
1h 35mdirect
C$ 447Air Transat
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Sat, 1 Feb - Sun, 2 Feb
7:13 a.m. - 11:55 p.m.BOS-YYZ
16h 42m2 stops
C$ 99
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Tue, 11 Feb
11:31 a.m. - 11:55 p.m.BOS-YYZ
12h 24m1 stop
C$ 108
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Tue, 11 Feb
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
C$ 164Porter Airlines
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Sat, 8 Feb
10:20 a.m. - 12:19 p.m.BOS-YTZ
1h 59mdirect
C$ 168Porter Airlines
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Tue, 11 Feb
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
C$ 191Air Canada
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Fri, 7 Feb
7:25 p.m. - 9:25 p.m.BOS-YYZ
2h 00mdirect
C$ 193Air Canada
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Tue, 11 Feb
3:15 p.m. - 10:52 p.m.PWM-YYZ
7h 37m1 stop
C$ 203Delta
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Tue, 10 Jun
6:57 a.m. - 3:30 p.m.BOS-YYZ
8h 33m1 stop
C$ 206American Airlines
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Fri, 14 Feb
1:01 p.m. - 9:32 p.m.BOS-YYZ
8h 31m1 stop
C$ 210American Airlines
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Thu, 13 Feb
8:00 a.m. - 4:08 p.m.BOS-YYZ
8h 08m1 stop
C$ 295Delta
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Sat, 15 Feb
10:27 a.m. - 11:53 p.m.BOS-YYZ
13h 26m1 stop
7:00 a.m. - 5:59 p.m.YYZ-BOS
10h 59m1 stop
C$ 357
Find Deal
Mon, 13 Jan - Fri, 17 Jan
10:27 a.m. - 11:53 p.m.BOS-YYZ
13h 26m1 stop
7:50 p.m. - 1:01 p.m.YYZ-BOS
17h 11m1 stop
C$ 400
Find Deal
Mon, 13 Jan - Wed, 15 Jan
7:10 a.m. - 8:35 a.m.BOS-YUL
1h 25mdirect
8:40 a.m. - 10:08 a.m.YUL-BOS
1h 28mdirect
C$ 696Air Canada
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Wed, 15 Jan - Sun, 26 Jan
10:20 a.m. - 4:45 p.m.BOS-YUL
6h 25m1 stop
4:00 p.m. - 8:15 p.m.YUL-BOS
4h 15m1 stop
C$ 725Porter Airlines
Find Deal
Wed, 15 Jan - Sun, 19 Jan
10:20 a.m. - 3:15 p.m.BOS-YUL
4h 55m1 stop
10:45 a.m. - 3:30 p.m.YUL-BOS
4h 45m1 stop
C$ 744Porter Airlines
Find Deal
Tue, 14 Jan - Thu, 16 Jan
7:30 a.m. - 11:53 p.m.BOS-YYZ
16h 23m1 stop
6:05 a.m. - 11:46 p.m.YYZ-BOS
17h 41m1 stop
C$ 750American Airlines
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Tue, 14 Jan - Wed, 15 Jan
10:25 a.m. - 12:25 p.m.BOS-YYZ
2h 00mdirect
10:30 a.m. - 12:12 p.m.YYZ-BOS
1h 42mdirect
C$ 761Air Canada
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Wed, 15 Jan - Thu, 16 Jan
7:30 a.m. - 6:52 p.m.BOS-YYZ
11h 22m1 stop
6:15 a.m. - 1:23 p.m.YYZ-BOS
7h 08m1 stop
C$ 781Delta
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Mon, 13 Jan - Mon, 20 Jan
8:00 a.m. - 12:20 p.m.BOS-YUL
4h 20m1 stop
7:30 a.m. - 3:09 p.m.YUL-BOS
7h 39m1 stop
C$ 801American Airlines
Find Deal
Sun, 12 Jan - Thu, 13 Feb
7:35 a.m. - 10:55 p.m.BOS-YYZ
15h 20m2 stops
11:15 a.m. - 2:15 p.m.YYZ-BOS
27h 00m1 stop
C$ 937Delta
Find Deal
Tue, 14 Jan - Wed, 15 Jan
10:20 a.m. - 12:19 p.m.BOS-YTZ
1h 59mdirect
6:40 p.m. - 8:15 p.m.YTZ-BOS
1h 35mdirect
C$ 350Porter Airlines
Find Deal
Fri, 31 Jan - Mon, 3 Feb
10:20 a.m. - 12:19 p.m.BOS-YTZ
1h 59mdirect
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 351Porter Airlines
Find Deal
Thu, 6 Feb - Fri, 7 Feb
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
1:55 p.m. - 3:30 p.m.YTZ-BOS
1h 35mdirect
C$ 388
Find Deal
Thu, 30 Jan - Sun, 2 Feb
7:00 p.m. - 8:59 p.m.BOS-YTZ
1h 59mdirect
6:40 p.m. - 8:15 p.m.YTZ-BOS
1h 35mdirect
C$ 390
Find Deal
Thu, 30 Jan - Sun, 2 Feb
6:10 a.m. - 8:16 a.m.BOS-YYZ
2h 06mdirect
8:55 p.m. - 10:39 p.m.YYZ-BOS
1h 44mdirect
C$ 411Air Canada
Find Deal
Fri, 7 Mar - Fri, 7 Mar
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$ 414Air Canada
Find Deal
Mon, 24 Feb - Mon, 3 Mar
6:10 a.m. - 8:22 a.m.BOS-YYZ
2h 12mdirect
8:00 a.m. - 9:42 a.m.YYZ-BOS
1h 42mdirect
C$ 439Lufthansa
Find Deal
Fri, 31 Jan - Sun, 2 Feb
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
1:55 p.m. - 3:30 p.m.YTZ-BOS
1h 35mdirect
C$ 447Air Transat
Find Deal
Sat, 1 Feb - Sun, 2 Feb
7:00 p.m. - 8:59 p.m.BOS-YTZ
1h 59mdirect
1:55 p.m. - 3:30 p.m.YTZ-BOS
1h 35mdirect
C$ 473Air Transat
Find Deal
Thu, 6 Feb - Sun, 9 Feb
10:25 a.m. - 12:25 p.m.BOS-YYZ
2h 00mdirect
10:30 a.m. - 12:12 p.m.YYZ-BOS
1h 42mdirect
C$ 699Lufthansa
Find Deal
Thu, 30 Jan - Sun, 2 Feb

United Airlines flights from Maine to Region of Ontario

Our best United Airlines deals on Maine to Region of Ontario flight tickets
United Airlines
31 Jan
BOS6:10 a.m.Boston Logan Intl
2h 12m
YYZ8:22 a.m.Toronto Pearson Intl
2 Feb
YYZ8:00 a.m.Toronto Pearson Intl
1h 42m
BOS9:42 a.m.Boston Logan Intl
United Airlines
25 Jan
BOS4:40 p.m.Boston Logan Intl
2h 12m
YYZ6:52 p.m.Toronto Pearson Intl
29 Jan
YYZ8:55 p.m.Toronto Pearson Intl
1h 42m
BOS10:37 p.m.Boston Logan Intl
United Airlines
12 Feb
BOS6:10 a.m.Boston Logan Intl
2h 12m
YYZ8:22 a.m.Toronto Pearson Intl
16 Feb
YYZ8:00 a.m.Toronto Pearson Intl
1h 42m
BOS9:42 a.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
7 Mar
BOS10:50 a.m.Boston Logan Intl
4h 51m
1 stop
YYZ3:41 p.m.Toronto Pearson Intl
7 Mar
YYZ8:55 p.m.Toronto Pearson Intl
1h 44m
BOS10:39 p.m.Boston Logan Intl
Air Canada
30 Jan
BOS6:10 a.m.Boston Logan Intl
2h 12m
YYZ8:22 a.m.Toronto Pearson Intl
2 Feb
YYZ8:00 a.m.Toronto Pearson Intl
1h 42m
BOS9:42 a.m.Boston Logan Intl
Air Canada
6 Feb
BOS10:25 a.m.Boston Logan Intl
2h 00m
YYZ12:25 p.m.Toronto Pearson Intl
9 Feb
YYZ10:30 a.m.Toronto Pearson Intl
1h 42m
BOS12:12 p.m.Boston Logan Intl

See travel insights to Ontario from

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 month to fly to Region of Ontario?

In general, September is the cheapest month to fly from Maine to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 167. If you are unable to visit Region of Ontario during the month of September, then departing from Maine during the month October is also very affordable. Most momondo users find prices during this month for around C$ 397.

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 at noon. Flights from Maine to Region of Ontario during this time can be as low as C$ 0. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 534 on average. Flights to Region of Ontario from Maine in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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$ 99

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$ 99. The best round-trip flight deal from Maine to Region of Ontario found on momondo in the last 72 hours is C$ 301.
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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