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

Porter Airlines, Air Canada, and United Airlines can get you from Maine to Region of Ontario in just under 6h 09m. Your travel time can differ by up to 1h 50m. The distance between Maine and Region of Ontario is about 715 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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$ 132+ Cheap Flights from Maine to Ontario

Cheap flight deals from Maine to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

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 13 September 2026.

Fri 20/119:50 a.m. -

Nonstop2h 10m

Fri 27/115:20 p.m. -

Nonstop1h 50m

Deal found 8/9C$ 284

Tue 22/92:20 p.m. -

1 stop4h 35m

Wed 30/910:30 a.m. -

1 stop5h 20m

Deal found 8/9C$ 284

Thu 24/910:05 a.m. -

Nonstop1h 55m

Mon 28/97:25 a.m. -

Nonstop1h 40m

Deal found 10/9C$ 286

Sat 26/911:10 a.m. -

Nonstop1h 47m

Mon 28/911:55 a.m. -

1 stop3h 55m

Deal found 8/9C$ 286

Thu 1/1010:05 a.m. -

Nonstop1h 55m

Sun 4/107:25 a.m. -

Nonstop1h 40m

Deal found 8/9C$ 287

Thu 1/103:55 p.m. -

1 stop4h 20m

Sun 4/1011:55 a.m. -

1 stop4h 02m

Deal found 9/9C$ 287

Sat 10/1010:05 a.m. -

Nonstop1h 55m

Sat 17/107:25 a.m. -

Nonstop1h 40m

Deal found 10/9C$ 289

Sat 17/105:30 p.m. -

Nonstop1h 47m

Mon 19/1011:55 a.m. -

1 stop4h 02m

Deal found 8/9C$ 289

Thu 1/105:50 a.m. -

1 stop4h 15m

Sun 4/1011:55 a.m. -

1 stop4h 02m

Deal found 9/9C$ 290

Thu 26/111:15 p.m. -

1 stop5h 50m

Mon 30/115:20 p.m. -

Nonstop1h 50m

Deal found 8/9C$ 291

Thu 24/94:30 p.m. -

Nonstop1h 45m

Sun 4/1011:55 a.m. -

1 stop4h 02m

Deal found 8/9C$ 291

Wed 23/97:30 p.m. -

Nonstop1h 55m

Thu 24/94:55 p.m. -

Nonstop1h 40m

Deal found 9/9C$ 293

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 13 September 2026.

Sat 26/95:50 a.m. -

1 stop4h 43m

Sun 27/97:25 a.m. -

Nonstop1h 40m

Deal found 12/9C$ 307

Thu 22/103:55 p.m. -

1 stop6h 09m

Sun 1/115:20 p.m. -

Nonstop1h 50m

Deal found 12/9C$ 359

Fri 20/119:00 a.m. -

1 stop7h 15m

Sun 22/117:50 a.m. -

1 stop6h 31m

Deal found 10/9C$ 387

Thu 22/106:00 a.m. -

1 stop5h 49m

Tue 27/1012:55 p.m. -

1 stop4h 32m

Deal found 11/9C$ 388

Thu 1/109:40 a.m. -

1 stop6h 52m

Sat 3/105:50 p.m. -

1 stop3h 36m

Deal found 9/9C$ 449

Sun 11/106:30 p.m. -

1 stop22h 45m

Sun 18/106:10 p.m. -

1 stop23h 30m

Deal found 11/9C$ 655

Tue 20/106:00 a.m. -

1 stop5h 49m

Tue 20/102:20 p.m. -

Nonstop1h 45m

Deal found 10/9C$ 332

Sat 24/106:00 a.m. -

1 stop10h 47m

Fri 30/1011:09 a.m. -

1 stop12h 50m

Deal found 8/9C$ 696

Mon 26/108:00 a.m. -

Nonstop1h 54m

Mon 2/118:00 p.m. -

Nonstop1h 32m

Deal found 11/9C$ 366

Thu 5/117:31 a.m. -

1 stop9h 16m

Sun 8/118:35 a.m. -

Nonstop1h 47m

Deal found 11/9C$ 366

Sun 25/108:00 a.m. -

Nonstop1h 54m

Fri 30/1011:00 a.m. -

Nonstop1h 32m

Deal found 12/9C$ 366

Thu 22/107:38 a.m. -

1 stop8h 32m

Fri 23/106:00 a.m. -

1 stop6h 43m

Deal found 10/9C$ 448

Tue 8/123:00 p.m. -

1 stop6h 15m

Thu 10/128:00 a.m. -

1 stop6h 53m

Deal found 8/9C$ 372

Thu 24/910:05 a.m. -

Nonstop1h 55m

Mon 28/94:55 p.m. -

Nonstop1h 40m

Deal found 8/9C$ 393

Thu 24/99:51 a.m. -

1 stop6h 19m

Sat 26/96:00 a.m. -

1 stop3h 48m

Deal found 8/9C$ 448

Thu 24/96:00 a.m. -

1 stop5h 43m

Mon 28/93:00 p.m. -

1 stop6h 26m

Deal found 8/9C$ 391

Sat 17/1010:40 a.m. -

2 stops8h 02m

Fri 23/1010:05 a.m. -

1 stop6h 00m

Deal found 8/9C$ 523

Sat 17/103:55 p.m. -

1 stop6h 09m

Tue 20/107:00 a.m. -

1 stop8h 57m

Deal found 12/9C$ 402

Fri 2/106:00 a.m. -

1 stop5h 43m

Sun 4/1011:10 p.m. -

1 stop10h 40m

Deal found 11/9C$ 420

Fri 9/107:00 a.m. -

Nonstop1h 47m

Wed 14/109:55 a.m. -

Nonstop1h 39m

Deal found 13/9C$ 427

Sat 26/99:35 a.m. -

Nonstop1h 59m

Sat 26/95:20 p.m. -

Nonstop1h 37m

Deal found 8/9C$ 530

Mon 12/106:00 a.m. -

1 stop7h 09m

Mon 19/108:00 p.m. -

Nonstop1h 26m

Deal found 12/9C$ 427

Thu 1/1010:50 a.m. -

1 stop4h 32m

Mon 5/107:25 p.m. -

1 stop14h 30m

Deal found 8/9C$ 639

Wed 7/107:45 p.m. -

Nonstop1h 56m

Wed 14/105:20 p.m. -

Nonstop1h 42m

Deal found 8/9C$ 530

Mon 19/103:55 p.m. -

Nonstop1h 28m

Sat 24/102:30 p.m. -

Nonstop1h 27m

Deal found 9/9C$ 449

Mon 26/107:26 p.m. -

1 stop4h 19m

Mon 2/1112:44 p.m. -

1 stop9h 55m

Deal found 11/9C$ 737

Wed 7/1010:51 a.m. -

1 stop5h 19m

Sat 10/108:25 a.m. -

Nonstop1h 25m

Deal found 11/9C$ 427

Sat 14/1110:25 a.m. -

2 stops8h 20m

Sun 15/117:20 p.m. -

2 stops14h 28m

Deal found 11/9C$ 642

Fri 20/111:15 p.m. -

1 stop5h 13m

Wed 25/117:00 a.m. -

2 stops9h 42m

Deal found 9/9C$ 454

Mon 12/1011:20 a.m. -

1 stop21h 12m

Mon 19/102:28 p.m. -

1 stop8h 50m

Deal found 12/9C$ 804

Find flight deals from Maine to Ontario

Round-trip from	C$ 284
One-way from	C$ 132

Porter Airlines
20/11-27/11
Nonstop
4h 00m total
Maine to Ontario

Search Deals

Air Canada
1/10-31/12
1 total stop
4h 43m total
Maine to Ontario

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Sat 17/10

7:45 p.m.-9:41 p.m.

Nonstop1h 56m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 135

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Mon 9/11

9:50 a.m.-12:00 p.m.

Nonstop2h 10m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 29/10

5:30 a.m.-11:45 a.m.

1 stop6h 15m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 151

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Wed 30/9

10:40 a.m.-4:53 p.m.

1 stop6h 13m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 151

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 1/10

9:51 a.m.-1:47 p.m.

1 stop3h 56m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 154

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Tue 22/9

6:00 a.m.-1:47 p.m.

1 stop7h 47m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 154

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 16/10

6:43 p.m.-11:59 p.m.

1 stop5h 16m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 154

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 2/10

7:01 a.m.-3:46 p.m.

1 stop8h 45m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 154

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sun 8/11

6:00 a.m.-2:03 p.m.

1 stop8h 03m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 154

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sat 17/10

7:55 a.m.-11:59 p.m.

1 stop16h 04m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 155

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 60 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.

BOS-YYZ

BOS-YOW

BOS-YHM

PWM-YYZ

BOS-YTZ

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

BOS-YYZ

BOS-YOW

BOS-YHM

PWM-YYZ

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?
Porter Airlines, Air Canada, and United Airlines can get you from Maine to Region of Ontario in just under 6h 09m. Your travel time can differ by up to 1h 50m. The distance between Maine and Region of Ontario is about 715 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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.

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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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Cheap flights from Maine to Ontario from C$ 132

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 1/10. 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 13 September 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 13 September 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 13 September 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 13 September 2026.

Direct flights from Maine to OntarioExplore direct flight options from Maine to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.

Explore direct flight options from Maine to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.

Last-minute flights from Maine to OntarioDiscover last-minute flight deals from Maine to Ontario. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Maine to Ontario. Data last updated 13 September 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 13 September 2026.

Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated 13 September 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 13 September 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?

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

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

Can Cheapflights notify me if prices for flights from Maine to Ontario become cheaper?

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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 13 September 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 13 September 2026.

Direct flights from Maine to Ontario
Explore direct flight options from Maine to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.

Last-minute flights from Maine to Ontario
Discover last-minute flight deals from Maine to Ontario. Data last updated 13 September 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 13 September 2026.