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

Delta, American Airlines, and United Airlines can get you from Maine to Region of Ontario in just under 4h 31m. Your travel time can differ by up to 5h 36m. The distance between Maine and Region of Ontario is about 748 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from Maine to Region of Ontario one-way?

For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as C$ 472. Users have also found prices from C$ 584 and C$ 741 on Egyptair and Air France, respectively.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What is the cheapest time of day to fly from ME to ON?

When flying from Maine to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Maine to Ontario that include hotel bookings?

Yes. In addition to deals on Maine to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Maine to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to Ontario.

Can I find deals for business class flights from Maine to Ontario?

Yes. Cheapflights offers flight deals from Maine to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 362+ Cheap Flights from Maine to Ontario

Cheap flight deals from Maine to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Maine to Ontario
Explore the most affordable flight options available from Maine to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Wed 2/126:12 a.m. -

1 stop11h 48m

Mon 7/1210:00 a.m. -

1 stop13h 20m

Deal found 8/10C$ 709

Tue 27/106:00 a.m. -

1 stop10h 47m

Sat 31/102:15 p.m. -

1 stop8h 29m

Deal found 6/10C$ 719

Sat 5/126:00 a.m. -

2 stops11h 20m

Mon 7/1212:18 p.m. -

1 stop12h 03m

Deal found 8/10C$ 723

Thu 29/1011:57 a.m. -

1 stop11h 05m

Sat 31/107:22 a.m. -

1 stop9h 25m

Deal found 5/10C$ 766

Tue 1/125:19 p.m. -

1 stop6h 22m

Tue 8/1212:18 p.m. -

1 stop12h 03m

Deal found 8/10C$ 769

Tue 3/116:47 p.m. -

1 stop5h 00m

Tue 10/115:14 p.m. -

1 stop17h 10m

Deal found 7/10C$ 775

Mon 30/115:18 p.m. -

1 stop6h 23m

Mon 7/1210:00 a.m. -

1 stop13h 20m

Deal found 8/10C$ 793

Tue 1/125:19 p.m. -

1 stop6h 22m

Thu 3/126:00 a.m. -

1 stop18h 21m

Deal found 8/10C$ 796

Mon 9/116:47 p.m. -

1 stop5h 00m

Fri 13/115:14 p.m. -

1 stop16h 20m

Deal found 6/10C$ 799

Sat 5/126:00 a.m. -

2 stops11h 20m

Sun 6/126:50 p.m. -

1 stop16h 10m

Deal found 8/10C$ 808

Thu 3/126:12 a.m. -

1 stop7h 12m

Mon 7/127:45 a.m. -

1 stop15h 35m

Deal found 8/10C$ 816

Mon 23/1111:00 a.m. -

1 stop26h 11m

Mon 30/113:10 p.m. -

1 stop19h 29m

Deal found 9/10C$ 1,155

Best flights from Maine to Ontario
Discover carefully curated flight deals from Maine to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Wed 2/126:12 a.m. -

1 stop10h 07m

Tue 8/122:35 p.m. -

1 stop8h 45m

Deal found 8/10C$ 709

Tue 3/116:47 p.m. -

1 stop5h 00m

Tue 10/115:14 p.m. -

1 stop17h 10m

Deal found 7/10C$ 775

Tue 1/129:12 a.m. -

1 stop4h 31m

Sun 6/129:44 a.m. -

1 stop3h 54m

Deal found 8/10C$ 853

Tue 3/115:09 p.m. -

2 stops21h 21m

Tue 10/1112:20 p.m. -

1 stop29h 31m

Deal found 7/10C$ 859

Sat 5/126:00 a.m. -

2 stops11h 20m

Tue 8/127:45 a.m. -

1 stop15h 35m

Deal found 8/10C$ 723

Wed 21/105:30 a.m. -

1 stop4h 58m

Sat 24/105:29 p.m. -

1 stop5h 15m

Deal found 6/10C$ 829

Sun 15/115:50 a.m. -

1 stop7h 53m

Tue 17/116:45 a.m. -

1 stop7h 31m

Deal found 7/10C$ 853

Wed 21/106:04 a.m. -

1 stop5h 21m

Sat 24/1010:04 a.m. -

1 stop5h 51m

Deal found 8/10C$ 827

Wed 18/1110:50 a.m. -

1 stop6h 59m

Wed 25/1112:55 p.m. -

1 stop5h 54m

Deal found 5/10C$ 872

Sat 31/106:25 a.m. -

1 stop7h 15m

Fri 6/116:00 a.m. -

1 stop4h 40m

Deal found 6/10C$ 853

Sun 8/115:08 p.m. -

1 stop6h 51m

Sun 15/116:45 a.m. -

1 stop7h 31m

Deal found 8/10C$ 877

Thu 3/129:12 a.m. -

1 stop4h 31m

Thu 3/126:40 p.m. -

1 stop4h 44m

Deal found 8/10C$ 877

Mon 23/1111:00 a.m. -

1 stop26h 11m

Mon 30/113:10 p.m. -

1 stop19h 29m

Deal found 9/10C$ 1,155

Thu 19/1111:00 a.m. -

2 stops10h 50m

Thu 26/113:10 p.m. -

1 stop19h 03m

Deal found 5/10C$ 1,316

Fri 20/1111:00 a.m. -

2 stops34h 16m

Fri 27/116:00 a.m. -

1 stop4h 13m

Deal found 6/10C$ 1,344

Find flight deals from Maine to Ontario

Round-trip from	C$ 709
One-way from	C$ 362

Delta
2/12-5/12
2 total stops
30h 09m total
Maine to Ontario

Search Deals

United Airlines
24/11-31/12
1 total stop
7h 53m total
Maine to Ontario

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 24/11

5:50 a.m.-1:43 p.m.

1 stop7h 53m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 362

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 21/11

3:41 p.m.-11:26 p.m.

1 stop7h 45m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 363

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 20/10

6:00 a.m.-11:59 a.m.

1 stop5h 59m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 373

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 20/10

5:15 a.m.-1:02 p.m.

2 stops7h 47m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 510

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 21/11

6:31 p.m.-3:50 p.m.

3 stops45h 19m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 645

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 24/11

6:31 p.m.-10:55 p.m.

2 stops28h 24m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 684

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Mon 23/11

3:53 p.m.-12:00 p.m.

3 stops20h 07m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 706

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 2/12

6:12 a.m.-4:19 p.m.

1 stop10h 07m

Toronto Pearson Intl

Tue 8/12

2:35 p.m.-11:20 p.m.

1 stop8h 45m

C$ 709

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 5/12

6:00 a.m.-5:20 p.m.

2 stops11h 20m

Toronto Pearson Intl

Tue 8/12

7:45 a.m.-11:20 p.m.

1 stop15h 35m

C$ 723

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 3/11

6:47 p.m.-11:47 p.m.

1 stop5h 00m

Toronto Pearson Intl

Tue 10/11

5:14 p.m.-10:24 a.m.

1 stop17h 10m

C$ 775

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Maine to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Maine with our price prediction graph.

PWM-YYZ

BGR-YOW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maine to Ontario

USME-CAON

PWM-YYZ

BGR-YOW

Weekly flight availability from Maine to Region of Ontario

The most flights from USME to CAON are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

How long is the flight from Maine to Region of Ontario?
Delta, American Airlines, and United Airlines can get you from Maine to Region of Ontario in just under 4h 31m. Your travel time can differ by up to 5h 36m. The distance between Maine and Region of Ontario is about 748 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Maine to Region of Ontario one-way?
For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as C$ 472. Users have also found prices from C$ 584 and C$ 741 on Egyptair and Air France, respectively.
Can I find deals for flights from Maine to Ontario that include hotel bookings?
Yes. In addition to deals on Maine to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Maine to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to Ontario.
Can I find deals for business class flights from Maine to Ontario?
Yes. Cheapflights offers flight deals from Maine to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Alternative routes for Maine to Ontario

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How does Cheapflights help users find flights from Maine to Ontario?

When you search for this flight from Maine to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Maine to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Maine to Ontario.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Maine to Ontario flexibly with Cheapflights today.

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Cheap flights from Maine to Ontario from C$ 362

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Maine to Ontario

Cheapest flights from Maine to OntarioExplore the most affordable flight options available from Maine to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Explore the most affordable flight options available from Maine to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from Maine to OntarioDiscover carefully curated flight deals from Maine to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Maine to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Maine to OntarioDiscover last-minute flight deals from Maine to Ontario. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Maine to Ontario. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Maine to OntarioSearch for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from Maine to Ontario

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Use the filters below to find and compare flights from Maine to Ontario that are best for you.

Best time to book a flight from Maine to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Maine with our price prediction graph.

Cheapflights Insights

Weekly flight availability from Maine to Region of Ontario

Explore weekly flight availability from Maine to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 October 2026.

The most flights from USME to CAON are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

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

What are the cheapest airlines to fly from Maine to Region of Ontario one-way?

Can I find deals for flights from Maine to Ontario that include hotel bookings?

How can I find direct flights from Maine to Ontario?

Can I find deals for business class flights from Maine to Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maine to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Canada

Book a non-stop flight to one of these other cities located in Canada.

Search flights from Maine to Ontario by cabin class

Find flights from Maine to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Maine and Ontario flights

Browse other Maine and Ontario flight options. Last updated on 10 October 2026.

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Find a return flight route from Ontario

Find the right flight back to Maine after your stay in Ontario

Maine to Ontario flights

Consider these flights travelling from Maine to Ontario.

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Can Cheapflights find flights from Maine to Ontario with no change fees?

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Cheapest flights from Maine to Ontario
Explore the most affordable flight options available from Maine to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from Maine to Ontario
Discover carefully curated flight deals from Maine to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Maine to Ontario
Discover last-minute flight deals from Maine to Ontario. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Maine to Ontario
Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.