What is the cheapest airline that flies from Ontario to Maine?

Delta and United Airlines are the most popular carriers operating from Ontario to Maine

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

Prices for flights from Ontario to Maine are refreshed on a daily basis.

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

There is 1 operator available for flights from Ontario to Maine as of November 2026.

How old do you have to be to fly from Ontario to Maine?

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 Ontario to Maine.

What documentation or ID do you need to fly to Maine?

The necessary travel and health documents for your Maine trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 399 Cheap Flights from Ontario to Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Maine

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:35 a.m. - 9:08 a.m.YYZ Toronto Pearson Intl-PWM Portland

23h 33m1 stop Orlando

10:01 a.m. - 2:30 p.m.PWM Portland-YYZ Toronto Pearson Intl

28h 29m1 stop Fort Myers SW Florida Intl

C$ 657Multiple Airlines

Tue, 8 Dec - Tue, 15 Dec

2:57 p.m. - 11:24 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 27m1 stop Newark

4:25 p.m. - 11:59 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 34m1 stop Chicago O'Hare Intl

C$ 679United Airlines

Wed, 16 Dec - Wed, 13 Jan

7:15 a.m. - 5:19 p.m.YYZ Toronto Pearson Intl-BGR Bangor

10h 04m1 stop Orlando

10:43 a.m. - 11:55 p.m.BGR Bangor-YYZ Toronto Pearson Intl

13h 12m1 stop Fort Lauderdale

C$ 682Multiple Airlines

Sat, 3 Apr - Mon, 26 Apr

2:43 p.m. - 6:53 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 10m1 stop Newark

7:30 a.m. - 5:49 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 19m1 stop Newark

C$ 695United Airlines

Tue, 2 Feb - Thu, 4 Feb

2:43 p.m. - 6:53 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 10m1 stop Newark

7:30 a.m. - 5:49 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 19m1 stop Newark

C$ 698United Airlines

Tue, 2 Feb - Thu, 4 Feb

10:30 a.m. - 11:24 p.m.YYZ Toronto Pearson Intl-PWM Portland

12h 54m1 stop Newark

4:47 p.m. - 11:59 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 12m1 stop Chicago O'Hare Intl

C$ 713United Airlines

Mon, 7 Dec - Mon, 14 Dec

12:55 p.m. - 9:12 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 17m1 stop Newark

6:00 a.m. - 11:48 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 48m1 stop Newark

C$ 715United Airlines

Thu, 10 Dec - Thu, 17 Dec

6:00 a.m. - 10:30 a.m.YYZ Toronto Pearson Intl-PWM Portland

4h 30m1 stop Philadelphia

5:06 a.m. - 3:45 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 39m2 stops Washington, D.C. Reagan-National New York LaGuardia

C$ 740American Airlines

Tue, 8 Dec - Tue, 15 Dec

6:30 a.m. - 4:32 p.m.YYZ Toronto Pearson Intl-BGR Bangor

10h 02m1 stop Orlando

5:12 p.m. - 1:40 p.m.BGR Bangor-YYZ Toronto Pearson Intl

20h 28m1 stop Orlando

C$ 757Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

2:45 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 14m1 stop Washington, D.C. Dulles Intl

7:08 p.m. - 11:52 p.m.PWM Portland-YYZ Toronto Pearson Intl

4h 44m1 stop Washington, D.C. Dulles Intl

C$ 757United Airlines

Mon, 21 Dec - Fri, 25 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 3:16 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 16m1 stop New York John F Kennedy Intl

11:39 a.m. - 5:54 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 15m1 stop New York LaGuardia

C$ 763Delta

Tue, 17 Nov - Tue, 24 Nov

12:00 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

5:08 p.m. - 11:59 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 51m1 stop Chicago O'Hare Intl

C$ 874United Airlines

Tue, 17 Nov - Tue, 24 Nov

6:15 a.m. - 2:16 p.m.YOW Ottawa-PWM Portland

8h 01m1 stop Chicago O'Hare Intl

5:30 a.m. - 3:07 p.m.PWM Portland-YOW Ottawa

9h 37m1 stop Washington, D.C. Dulles Intl

C$ 1,106United Airlines

Fri, 13 Nov - Sun, 15 Nov

6:00 a.m. - 9:52 p.m.YOW Ottawa-PWM Portland

15h 52m2 stops Toronto Pearson Intl Chicago O'Hare Intl

8:49 a.m. - 1:11 p.m.PWM Portland-YOW Ottawa

4h 22m1 stop Newark

C$ 1,118United Airlines

Fri, 13 Nov - Sun, 15 Nov

5:10 a.m. - 2:16 p.m.YOW Ottawa-PWM Portland

9h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl

5:50 a.m. - 9:50 p.m.PWM Portland-YOW Ottawa

16h 00m2 stops Newark Toronto Pearson Intl

C$ 1,180United Airlines

Fri, 13 Nov - Sun, 15 Nov

7:00 a.m. - 3:33 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 33m2 stops New York LaGuardia Washington, D.C. Reagan-National

6:00 a.m. - 1:00 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 00m2 stops Washington, D.C. Reagan-National New York LaGuardia

C$ 1,399American Airlines

Tue, 17 Nov - Tue, 24 Nov

7:00 a.m. - 6:17 p.m.YOW Ottawa-PWM Portland

11h 17m2 stops Toronto Pearson Intl Philadelphia

4:10 p.m. - 5:52 p.m.PWM Portland-YOW Ottawa

25h 42m3 stops Washington, D.C. Reagan-National New York LaGuardia Toronto Pearson Intl

C$ 3,147American Airlines

Fri, 13 Nov - Sun, 15 Nov

7:00 a.m. - 11:54 p.m.YOW Ottawa-PWM Portland

16h 54m3 stops Toronto Pearson Intl Philadelphia Washington, D.C. Reagan-National

4:10 p.m. - 5:52 p.m.PWM Portland-YOW Ottawa

25h 42m3 stops Washington, D.C. Reagan-National New York LaGuardia Toronto Pearson Intl

C$ 3,155American Airlines

Fri, 13 Nov - Sun, 15 Nov

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American Airlines flights from Region of Ontario to Maine

Our best American Airlines deals on Region of Ontario to Maine flight tickets

American Airlines

8 Dec

YYZ6:00 a.m.Toronto Pearson Intl

4h 30m

1 stop

PWM10:30 a.m.Portland

15 Dec

PWM5:06 a.m.Portland

10h 39m

2 stops

YYZ3:45 p.m.Toronto Pearson Intl

C$ 740

American Airlines

25 Dec

YYZ7:44 a.m.Toronto Pearson Intl

7h 42m

1 stop

BGR3:26 p.m.Bangor

1 Jan

BGR5:51 p.m.Bangor

5h 54m

1 stop

YYZ11:45 p.m.Toronto Pearson Intl

C$ 914

American Airlines

22 Dec

YYZ5:10 p.m.Toronto Pearson Intl

6h 08m

1 stop

BGR11:18 p.m.Bangor

29 Dec

BGR3:51 p.m.Bangor

5h 56m

1 stop

YYZ9:47 p.m.Toronto Pearson Intl

C$ 1,078

WestJet flights from Region of Ontario to Maine

Our best WestJet deals on Region of Ontario to Maine flight tickets

WestJet

7 Dec

YYZ10:20 p.m.Toronto Pearson Intl

25h 00m

2 stops

PWM11:20 p.m.Portland

14 Dec

PWM6:12 a.m.Portland

22h 48m

2 stops

YYZ5:00 a.m.Toronto Pearson Intl

C$ 1,220

WestJet

25 Nov

YYZ12:15 p.m.Toronto Pearson Intl

3h 55m

1 stop

PWM4:10 p.m.Portland

29 Nov

PWM12:45 p.m.Portland

4h 35m

1 stop

YYZ5:20 p.m.Toronto Pearson Intl

C$ 1,788

WestJet

27 Nov

YYZ11:00 p.m.Toronto Pearson Intl

17h 38m

2 stops

PWM4:38 p.m.Portland

29 Nov

PWM6:27 a.m.Portland

22h 33m

2 stops

YYZ5:00 a.m.Toronto Pearson Intl

C$ 1,818

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 8/12

9:35 a.m.-9:08 a.m.

1 stop23h 33m

Portland

Tue 15/12

10:01 a.m.-2:30 p.m.

1 stop28h 29m

C$ 657

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Wed 16/12

2:57 p.m.-11:24 p.m.

1 stop8h 27m

Portland

Wed 13/1

4:25 p.m.-11:59 p.m.

1 stop7h 34m

C$ 679

TorontoBangor

YYZ Toronto Pearson Intl - BGR Bangor

YYZBGR

Toronto Pearson Intl

Sat 3/4

7:15 a.m.-5:19 p.m.

1 stop10h 04m

Bangor

Mon 26/4

10:43 a.m.-11:55 p.m.

1 stop13h 12m

C$ 682

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 2/2

2:43 p.m.-6:53 p.m.

1 stop4h 10m

Portland

Thu 4/2

7:30 a.m.-5:49 p.m.

1 stop10h 19m

C$ 695

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 2/2

2:43 p.m.-6:53 p.m.

1 stop4h 10m

Portland

Thu 4/2

7:30 a.m.-5:49 p.m.

1 stop10h 19m

C$ 698

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 7/12

10:30 a.m.-11:24 p.m.

1 stop12h 54m

Portland

Mon 14/12

4:47 p.m.-11:59 p.m.

1 stop7h 12m

C$ 713

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Thu 10/12

12:55 p.m.-9:12 p.m.

1 stop8h 17m

Portland

Thu 17/12

6:00 a.m.-11:48 a.m.

1 stop5h 48m

C$ 715

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 8/12

6:00 a.m.-10:30 a.m.

1 stop4h 30m

Portland

Tue 15/12

5:06 a.m.-3:45 p.m.

2 stops10h 39m

C$ 740

TorontoBangor

YYZ Toronto Pearson Intl - BGR Bangor

YYZBGR

Toronto Pearson Intl

Sat 5/12

6:30 a.m.-4:32 p.m.

1 stop10h 02m

Bangor

Sat 12/12

5:12 p.m.-1:40 p.m.

1 stop20h 28m

C$ 757

Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 21/12

2:45 p.m.-11:59 p.m.

1 stop9h 14m

Portland

Fri 25/12

7:08 p.m.-11:52 p.m.

1 stop4h 44m

C$ 757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Maine?

In general, December is the cheapest month to fly from Region of Ontario to Maine. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 0. If you aren’t able to travel to Maine during the month of December, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 0.

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

You could potentially save up to 49% on your flight if you consider stops on a Region of Ontario to Maine flight.

Cheap Region of Ontario to Maine flight deals and tips

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

Best price found	C$ 399
Fastest flight time	1h 25m
Direct flights	None

The best one-way flight to Maine from Region of Ontario in the past 72 hours is C$ 399. The best round-trip flight deal from Region of Ontario to Maine found on momondo in the last 72 hours is C$ 657.

The fastest flight from Region of Ontario to Maine takes 1h 25m

There are no direct flights from Region of Ontario to Maine. There are no popular flight routes from Region of Ontario to Maine.

Search flight deals

Frequently asked questions about flying from Ontario to Maine

When did momondo last update prices for flights from Ontario to Maine?
Prices for flights from Ontario to Maine are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Maine?
There is 1 operator available for flights from Ontario to Maine as of November 2026.
How old do you have to be to fly from Ontario to Maine?
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 Ontario to Maine.
What documentation or ID do you need to fly to Maine?
The necessary travel and health documents for your Maine trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Maine

Compare and see reviews for airlines that fly from Region of Ontario to Maine with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 496	Free Cancellation	Rating 7.3 10,471 reviews		Search United Airlines flights

Why use momondo?

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

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

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

All flight searches from Ontario to Maine on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and Maine by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Maine, momondo offers a useful price alert feature which will track prices for flights to Maine from Ontario and alert you when they change.