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

United Airlines and Delta 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 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$ 337 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.

7:59 a.m. - 4:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 00m1 stop New York LaGuardia

6:30 a.m. - 11:14 a.m.PWM Portland-YYZ Toronto Pearson Intl

4h 44m1 stop New York John F Kennedy Intl

C$ 680Delta

Sat, 9 Jan - Tue, 12 Jan

8:40 p.m. - 8:19 a.m.YYZ Toronto Pearson Intl-PWM Portland

11h 39m1 stop Newark

3:15 p.m. - 9:29 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 14m1 stop Newark

C$ 682United Airlines

Sat, 9 Jan - Tue, 12 Jan

7:43 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 16m1 stop Washington, D.C. Dulles Intl

6:00 a.m. - 11:43 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 43m1 stop Newark

C$ 683United Airlines

Sat, 10 Oct - Sat, 17 Oct

1:30 p.m. - 9:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

19h 51m1 stop Fort Myers SW Florida Intl

6:31 p.m. - 5:15 p.m.PWM Portland-YYZ Toronto Pearson Intl

22h 44m1 stop Tampa

C$ 686Multiple Airlines

Sat, 24 Oct - Sat, 31 Oct

7:59 a.m. - 4:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 00m1 stop New York LaGuardia

6:30 a.m. - 11:14 a.m.PWM Portland-YYZ Toronto Pearson Intl

4h 44m1 stop New York John F Kennedy Intl

C$ 703Delta

Sat, 9 Jan - Tue, 12 Jan

3:00 p.m. - 8:22 p.m.YYZ Toronto Pearson Intl-PWM Portland

5h 22m1 stop Newark

6:00 a.m. - 11:43 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 43m1 stop Newark

C$ 704United Airlines

Wed, 14 Oct - Sat, 17 Oct

10:30 a.m. - 6:49 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 19m1 stop Newark

8:45 a.m. - 4:47 p.m.PWM Portland-YYZ Toronto Pearson Intl

8h 02m1 stop Chicago O'Hare Intl

C$ 706United Airlines

Sat, 7 Nov - Sat, 14 Nov

7:55 a.m. - 11:18 p.m.YYZ Toronto Pearson Intl-PWM Portland

15h 23m1 stop New York LaGuardia

4:15 p.m. - 11:29 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 14m1 stop New York John F Kennedy Intl

C$ 721Delta

Sun, 25 Oct - Sun, 1 Nov

6:00 a.m. - 12:10 a.m.YYZ Toronto Pearson Intl-PWM Portland

18h 10m1 stop New York John F Kennedy Intl

4:15 p.m. - 11:29 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 14m1 stop New York John F Kennedy Intl

C$ 724Delta

Sun, 18 Oct - Wed, 21 Oct

5:29 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

6h 30m1 stop Washington, D.C. Reagan-National

6:00 a.m. - 4:47 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 47m1 stop Washington, D.C. Reagan-National

C$ 731American Airlines

Thu, 22 Oct - Thu, 29 Oct

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Delta flights from Region of Ontario to Maine

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

Delta

9 Jan

YYZ7:59 a.m.Toronto Pearson Intl

9h 00m

1 stop

PWM4:59 p.m.Portland

12 Jan

PWM6:30 a.m.Portland

4h 44m

1 stop

YYZ11:14 a.m.Toronto Pearson Intl

C$ 680

Delta

9 Jan

YYZ7:59 a.m.Toronto Pearson Intl

9h 00m

1 stop

PWM4:59 p.m.Portland

12 Jan

PWM6:30 a.m.Portland

4h 44m

1 stop

YYZ11:14 a.m.Toronto Pearson Intl

C$ 703

Delta

25 Oct

YYZ7:55 a.m.Toronto Pearson Intl

15h 23m

1 stop

PWM11:18 p.m.Portland

1 Nov

PWM4:15 p.m.Portland

7h 14m

1 stop

YYZ11:29 p.m.Toronto Pearson Intl

C$ 721

United Airlines flights from Region of Ontario to Maine

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

United Airlines

9 Jan

YYZ8:40 p.m.Toronto Pearson Intl

11h 39m

1 stop

PWM8:19 a.m.Portland

12 Jan

PWM3:15 p.m.Portland

6h 14m

1 stop

YYZ9:29 p.m.Toronto Pearson Intl

C$ 682

United Airlines

10 Oct

YYZ7:43 p.m.Toronto Pearson Intl

4h 16m

1 stop

PWM11:59 p.m.Portland

17 Oct

PWM6:00 a.m.Portland

5h 43m

1 stop

YYZ11:43 a.m.Toronto Pearson Intl

C$ 683

United Airlines

14 Oct

YYZ3:00 p.m.Toronto Pearson Intl

5h 22m

1 stop

PWM8:22 p.m.Portland

17 Oct

PWM6:00 a.m.Portland

5h 43m

1 stop

YYZ11:43 a.m.Toronto Pearson Intl

C$ 704

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/1

7:59 a.m.-4:59 p.m.

1 stop9h 00m

Portland

Tue 12/1

6:30 a.m.-11:14 a.m.

1 stop4h 44m

C$ 680

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/1

8:40 p.m.-8:19 a.m.

1 stop11h 39m

Portland

Tue 12/1

3:15 p.m.-9:29 p.m.

1 stop6h 14m

C$ 682

Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 10/10

7:43 p.m.-11:59 p.m.

1 stop4h 16m

Portland

Sat 17/10

6:00 a.m.-11:43 a.m.

1 stop5h 43m

C$ 683

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 24/10

1:30 p.m.-9:21 a.m.

1 stop19h 51m

Portland

Sat 31/10

6:31 p.m.-5:15 p.m.

1 stop22h 44m

C$ 686

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/1

7:59 a.m.-4:59 p.m.

1 stop9h 00m

Portland

Tue 12/1

6:30 a.m.-11:14 a.m.

1 stop4h 44m

C$ 703

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Wed 14/10

3:00 p.m.-8:22 p.m.

1 stop5h 22m

Portland

Sat 17/10

6:00 a.m.-11:43 a.m.

1 stop5h 43m

C$ 704

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 7/11

10:30 a.m.-6:49 p.m.

1 stop8h 19m

Portland

Sat 14/11

8:45 a.m.-4:47 p.m.

1 stop8h 02m

C$ 706

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sun 25/10

7:55 a.m.-11:18 p.m.

1 stop15h 23m

Portland

Sun 1/11

4:15 p.m.-11:29 p.m.

1 stop7h 14m

C$ 721

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sun 18/10

6:00 a.m.-12:10 a.m.

1 stop18h 10m

Portland

Wed 21/10

4:15 p.m.-11:29 p.m.

1 stop7h 14m

C$ 724

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Thu 22/10

5:29 p.m.-11:59 p.m.

1 stop6h 30m

Portland

Thu 29/10

6:00 a.m.-4:47 p.m.

1 stop10h 47m

C$ 731

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

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$ 337
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$ 337. The best round-trip flight deal from Region of Ontario to Maine found on momondo in the last 72 hours is C$ 680.

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 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 7.4 10,246 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.