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

Porter Airlines and Air Canada are the most popular carriers operating from Ontario to Maine

How long is the flight from Region of Ontario to Maine?

If you’re flying from a popular airport in Region of Ontario, such as Toronto or Ottawa, and flying into Maine, then you can expect flight times to average 4h 30m and 5h 13m, respectively.

How many flights depart from Region of Ontario to Maine on average per week?

As of August 2025, there are 229 flights per week flying from Region of Ontario to Maine. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

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

Prices for flights from Ontario to Maine were last updated today.

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

The number of operators available for flights from Ontario to Maine is 4 as of August 2025.

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 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 Ontario to Maine.

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

The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$110 Cheap Flights from Ontario to Maine in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Maine

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:10 pm - 4:51 pmYTZ-BOS

1h 41mnonstop

6:45 pm - 8:34 pmBOS-YTZ

1h 49mnonstop

$184Porter Airlines

Find Deal

Mon, Sep 15 - Sat, Sep 20

1:25 pm - 3:06 pmYTZ-BOS

1h 41mnonstop

3:30 pm - 7:03 pmBOS-YTZ

3h 33m1 stop

$185Porter Airlines

Find Deal

Sat, Sep 13 - Wed, Sep 17

12:25 pm - 6:00 pmYTZ-BOS

5h 35m1 stop

5:50 am - 11:46 amBOS-YTZ

5h 56m1 stop

$205Air Canada

Find Deal

Sat, Aug 30 - Sun, Aug 31

8:55 pm - 10:39 pmYYZ-BOS

1h 44mnonstop

10:40 am - 12:35 pmBOS-YYZ

1h 55mnonstop

$205Air Canada

Find Deal

Fri, Sep 19 - Mon, Sep 29

9:10 am - 5:58 pmYYZ-BOS

8h 48m2 stops

5:50 am - 10:40 amBOS-YYZ

4h 50m1 stop

$239

Find Deal

Sat, Aug 30 - Sun, Aug 31

9:10 am - 5:58 pmYYZ-BOS

8h 48m2 stops

6:00 am - 7:55 amBOS-YYZ

1h 55mnonstop

$241

Find Deal

Sat, Aug 30 - Sun, Aug 31

7:55 am - 2:14 pmYYZ-BOS

6h 19m1 stop

1:00 pm - 8:43 pmBOS-YYZ

7h 43m1 stop

$253Delta

Find Deal

Wed, Aug 27 - Sat, Sep 6

2:20 pm - 6:55 pmYUL-BOS

4h 35m1 stop

7:10 am - 1:09 pmBOS-YUL

5h 59m1 stop

$323United Airlines

Find Deal

Thu, Sep 4 - Sun, Sep 7

12:10 pm - 12:34 amYYZ-PWM

12h 24m1 stop

6:35 am - 10:59 pmPWM-YYZ

16h 24m1 stop

$409Delta

Find Deal

Fri, Sep 12 - Sun, Sep 21

7:00 am - 2:26 pmYYZ-PWM

7h 26m1 stop

6:23 pm - 11:58 pmPWM-YYZ

5h 35m1 stop

$518United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

United Airlines flights from Region of Ontario to Maine

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

United Airlines

Aug 14

YYZ7:30 amToronto Pearson Intl

6h 13m

1 stop

BOS1:43 pmBoston Logan Intl

Aug 19

BOS9:30 amBoston Logan Intl

7h 49m

1 stop

YYZ5:19 pmToronto Pearson Intl

$287

Find similar

United Airlines

Sep 4

YUL2:20 pmMontreal Pierre Elliott Trudeau Intl

4h 35m

1 stop

BOS6:55 pmBoston Logan Intl

Sep 7

BOS7:10 amBoston Logan Intl

5h 59m

1 stop

YUL1:09 pmMontreal Pierre Elliott Trudeau Intl

$323

Find similar

United Airlines

Aug 15

YUL9:45 amMontreal Pierre Elliott Trudeau Intl

14h 14m

2 stops

BOS11:59 pmBoston Logan Intl

Aug 23

BOS4:23 pmBoston Logan Intl

5h 43m

1 stop

YUL10:06 pmMontreal Pierre Elliott Trudeau Intl

$393

Find similar

Porter Airlines flights from Region of Ontario to Maine

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

Porter Airlines

Sep 15

YTZ3:10 pmToronto Island

1h 41m

BOS4:51 pmBoston Logan Intl

Sep 20

BOS6:45 pmBoston Logan Intl

1h 49m

YTZ8:34 pmToronto Island

$184

Find similar

Porter Airlines

Sep 13

YTZ1:25 pmToronto Island

1h 41m

BOS3:06 pmBoston Logan Intl

Sep 17

BOS3:30 pmBoston Logan Intl

3h 33m

1 stop

YTZ7:03 pmToronto Island

$185

Find similar

Porter Airlines

Sep 14

YTZ12:00 pmToronto Island

5h 58m

1 stop

BOS5:58 pmBoston Logan Intl

Sep 18

BOS3:30 pmBoston Logan Intl

3h 33m

1 stop

YTZ7:03 pmToronto Island

$187

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 9/15

3:10 pm-4:51 pm

Nonstop1h 41m

Boston Logan Intl

Sat 9/20

6:45 pm-8:34 pm

Nonstop1h 49m

$184

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 9/13

1:25 pm-3:06 pm

Nonstop1h 41m

Boston Logan Intl

Wed 9/17

3:30 pm-7:03 pm

1 stop3h 33m

$185

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 8/30

12:25 pm-6:00 pm

1 stop5h 35m

Boston Logan Intl

Sun 8/31

5:50 am-11:46 am

1 stop5h 56m

$205

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 9/19

8:55 pm-10:39 pm

Nonstop1h 44m

Boston Logan Intl

Mon 9/29

10:40 am-12:35 pm

Nonstop1h 55m

$205

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 8/30

9:10 am-5:58 pm

2 stops8h 48m

Boston Logan Intl

Sun 8/31

5:50 am-10:40 am

1 stop4h 50m

$239

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 8/30

9:10 am-5:58 pm

2 stops8h 48m

Boston Logan Intl

Sun 8/31

6:00 am-7:55 am

Nonstop1h 55m

$241

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 8/27

7:55 am-2:14 pm

1 stop6h 19m

Boston Logan Intl

Sat 9/6

1:00 pm-8:43 pm

1 stop7h 43m

$253

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

2:20 pm-6:55 pm

1 stop4h 35m

Boston Logan Intl

Sun 9/7

7:10 am-1:09 pm

1 stop5h 59m

$323

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Fri 9/12

12:10 pm-12:34 am

1 stop12h 24m

Portland

Sun 9/21

6:35 am-10:59 pm

1 stop16h 24m

$409

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Sat 9/13

7:00 am-2:26 pm

1 stop7h 26m

Portland

Sat 9/20

6:23 pm-11:58 pm

1 stop5h 35m

$518

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

Other information

What is the cheapest month to fly to Maine?

The cheapest month to fly to Maine from Region of Ontario is in September. Flight prices, which tend to average around $264, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $265.

What is the cheapest day to depart on your flight to Maine?

The cheapest day to depart from Region of Ontario to Maine is on a Saturday. Travelers who choose to depart for Maine on a Saturday will often find tickets for as low as $743. Flights from Region of Ontario to Maine on a Sunday will generally be more expensive and average around $1,023. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Maine is in the afternoon when flights can be purchased for as low as $487. Flights in the morning are often more expensive with an average ticket price of $653.

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	$110
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Maine	1 airport

The best one-way flight to Maine from Region of Ontario in the past 72 hours is $110. The best round-trip flight deal from Region of Ontario to Maine found on momondo in the last 72 hours is $184.

The fastest flight from Region of Ontario to Maine takes 1h 15m

Direct flights go from Region of Ontario to Maine every day.

There is 1 airport near Maine: Boston Logan Intl (BOS)

Search flight deals

When did momondo last update prices for flights from Ontario to Maine?
Prices for flights from Ontario to Maine were last updated today.
How many operators does momondo search for flights from Ontario to Maine?
The number of operators available for flights from Ontario to Maine is 4 as of August 2025.
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 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 Ontario to Maine.
What documentation or ID do you need to fly to Maine?
The required travel and health documents for your Maine 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 Maine. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Ontario to Maine flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Maine that suits you.

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

Flights from Ontario to Maine with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Maine from Ontario.

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

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