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 1h 45m. Your travel time can differ by up to 7h 11m. The distance between Maine and Region of Ontario is about 695 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$ 128+ 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 28 August 2026.

Fri 18/95:50 a.m. -

1 stop4h 15m

Sun 20/98:50 a.m. -

Nonstop1h 40m

Deal found 27/8C$ 276

Mon 28/97:00 a.m. -

Nonstop1h 47m

Mon 28/911:55 a.m. -

1 stop3h 55m

Deal found 27/8C$ 283

Fri 18/96:00 a.m. -

Nonstop1h 56m

Sun 20/97:25 a.m. -

Nonstop1h 40m

Deal found 27/8C$ 286

Wed 16/96:10 p.m. -

Nonstop1h 47m

Wed 23/93:45 p.m. -

Nonstop1h 40m

Deal found 26/8C$ 290

Sat 19/96:10 p.m. -

Nonstop1h 47m

Sun 20/98:50 a.m. -

Nonstop1h 40m

Deal found 27/8C$ 291

Thu 17/911:10 a.m. -

Nonstop1h 47m

Sat 26/98:50 a.m. -

Nonstop1h 40m

Deal found 26/8C$ 295

Wed 16/94:30 p.m. -

Nonstop1h 45m

Mon 21/97:15 p.m. -

Nonstop1h 40m

Deal found 26/8C$ 297

Fri 18/96:10 p.m. -

Nonstop1h 47m

Sun 20/98:50 a.m. -

Nonstop1h 40m

Deal found 27/8C$ 298

Fri 18/97:00 a.m. -

Nonstop1h 47m

Fri 25/93:45 p.m. -

Nonstop1h 40m

Deal found 26/8C$ 300

Thu 24/97:00 a.m. -

1 stop4h 27m

Thu 24/92:20 p.m. -

Nonstop1h 30m

Deal found 26/8C$ 300

Fri 18/97:00 a.m. -

Nonstop1h 47m

Tue 22/93:45 p.m. -

Nonstop1h 40m

Deal found 26/8C$ 301

Wed 16/910:05 a.m. -

Nonstop1h 55m

Wed 23/94:55 p.m. -

Nonstop1h 40m

Deal found 26/8C$ 302

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 28 August 2026.

Thu 24/94:30 p.m. -

Nonstop1h 45m

Fri 25/93:45 p.m. -

Nonstop1h 40m

Deal found 27/8C$ 355

Fri 18/95:50 a.m. -

1 stop5h 43m

Mon 21/99:00 a.m. -

1 stop5h 41m

Deal found 23/8C$ 391

Wed 16/97:00 a.m. -

1 stop4h 27m

Wed 23/96:55 a.m. -

1 stop10h 30m

Deal found 23/8C$ 411

Fri 11/99:00 a.m. -

1 stop8h 56m

Sun 13/97:00 a.m. -

1 stop5h 50m

Deal found 23/8C$ 544

Sat 26/911:10 a.m. -

Nonstop1h 47m

Wed 30/911:55 a.m. -

1 stop3h 55m

Deal found 25/8C$ 362

Fri 25/95:30 a.m. -

1 stop4h 48m

Tue 29/92:18 p.m. -

1 stop9h 27m

Deal found 26/8C$ 731

Sun 20/95:50 a.m. -

1 stop4h 43m

Sun 27/98:10 a.m. -

Nonstop1h 45m

Deal found 23/8C$ 406

Sat 12/911:10 a.m. -

1 stop7h 02m

Mon 14/96:30 a.m. -

1 stop4h 00m

Deal found 23/8C$ 406

Fri 18/96:00 a.m. -

1 stop10h 10m

Sun 20/98:00 p.m. -

Nonstop1h 26m

Deal found 24/8C$ 456

Thu 17/911:35 a.m. -

1 stop7h 18m

Sun 20/99:30 a.m. -

1 stop7h 19m

Deal found 28/8C$ 936

Wed 23/96:50 p.m. -

Nonstop1h 29m

Wed 30/91:00 p.m. -

1 stop5h 57m

Deal found 23/8C$ 451

Thu 24/92:20 p.m. -

1 stop7h 44m

Fri 25/97:25 a.m. -

Nonstop1h 40m

Deal found 27/8C$ 449

Fri 25/98:31 p.m. -

1 stop14h 09m

Sun 27/99:55 p.m. -

1 stop10h 57m

Deal found 27/8C$ 497

Wed 4/115:30 a.m. -

2 stops10h 35m

Tue 10/1111:20 a.m. -

1 stop6h 38m

Deal found 27/8C$ 499

Wed 16/97:00 a.m. -

1 stop4h 27m

Wed 23/92:20 p.m. -

Nonstop1h 30m

Deal found 23/8C$ 456

Wed 23/96:42 p.m. -

1 stop15h 25m

Thu 24/912:20 p.m. -

2 stops5h 47m

Deal found 24/8C$ 519

Wed 16/127:15 a.m. -

1 stop4h 33m

Wed 6/17:30 a.m. -

1 stop5h 13m

Deal found 27/8C$ 628

Sun 27/95:50 a.m. -

Nonstop1h 25m

Mon 28/96:15 p.m. -

1 stop4h 30m

Deal found 28/8C$ 628

Wed 4/114:35 p.m. -

1 stop5h 44m

Tue 10/117:05 a.m. -

1 stop5h 27m

Deal found 27/8C$ 483

Fri 16/104:55 p.m. -

Nonstop1h 47m

Sun 18/108:50 a.m. -

Nonstop1h 40m

Deal found 23/8C$ 545

Thu 24/95:50 a.m. -

2 stops9h 32m

Thu 1/104:05 p.m. -

1 stop6h 35m

Deal found 25/8C$ 547

Fri 18/96:00 a.m. -

1 stop4h 40m

Sun 20/910:30 a.m. -

1 stop4h 11m

Deal found 26/8C$ 559

Tue 22/94:31 p.m. -

1 stop6h 29m

Wed 23/95:27 p.m. -

1 stop6h 18m

Deal found 28/8C$ 823

Thu 10/92:20 p.m. -

1 stop4h 35m

Fri 11/93:45 p.m. -

Nonstop1h 40m

Deal found 23/8C$ 517

Wed 28/108:32 a.m. -

1 stop8h 15m

Sat 31/103:35 p.m. -

1 stop6h 16m

Deal found 25/8C$ 721

Thu 17/95:50 a.m. -

2 stops11h 28m

Sat 19/95:05 a.m. -

2 stops9h 36m

Deal found 27/8C$ 608

Thu 24/95:05 p.m. -

2 stops16h 44m

Thu 1/1010:30 a.m. -

2 stops13h 15m

Deal found 25/8C$ 825

Mon 26/1010:25 a.m. -

1 stop8h 20m

Mon 26/108:55 p.m. -

Nonstop1h 42m

Deal found 28/8C$ 574

Fri 6/111:15 p.m. -

1 stop5h 13m

Sun 8/1110:35 a.m. -

1 stop6h 07m

Deal found 23/8C$ 524

Tue 22/123:38 p.m. -

1 stop5h 46m

Mon 28/128:35 a.m. -

1 stop6h 56m

Deal found 24/8C$ 748

Find flight deals from Maine to Ontario

Round-trip from	C$ 276
One-way from	C$ 128

Porter Airlines
18/9-20/9
1 total stop
5h 55m total
Maine to Ontario

Search Deals

Air Canada
15/9
Nonstop
1h 56m total
Maine to Ontario

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Thu 24/9

4:30 p.m.-6:15 p.m.

Nonstop1h 45m

Toronto Island

Fri 25/9

3:45 p.m.-5:25 p.m.

Nonstop1h 40m

C$ 355

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Sat 26/9

11:10 a.m.-12:57 p.m.

Nonstop1h 47m

Toronto Island

Wed 30/9

11:55 a.m.-3:50 p.m.

1 stop3h 55m

C$ 362

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 18/9

5:50 a.m.-11:33 a.m.

1 stop5h 43m

Toronto Pearson Intl

Mon 21/9

9:00 a.m.-2:41 p.m.

1 stop5h 41m

C$ 391

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Sun 20/9

5:50 a.m.-10:33 a.m.

1 stop4h 43m

Toronto Pearson Intl

Sun 27/9

8:10 a.m.-9:55 a.m.

Nonstop1h 45m

C$ 406

BostonMontreal

BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl

BOSYUL

Boston Logan Intl

Sat 12/9

11:10 a.m.-6:12 p.m.

1 stop7h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

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

1 stop4h 00m

C$ 406

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Wed 16/9

7:00 a.m.-11:27 a.m.

1 stop4h 27m

Ottawa

Wed 23/9

6:55 a.m.-5:25 p.m.

1 stop10h 30m

C$ 411

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 24/9

2:20 p.m.-10:04 p.m.

1 stop7h 44m

Toronto Pearson Intl

Fri 25/9

7:25 a.m.-9:05 a.m.

Nonstop1h 40m

C$ 449

BostonMontreal

BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl

BOSYUL

Boston Logan Intl

Wed 23/9

6:50 p.m.-8:19 p.m.

Nonstop1h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

1:00 p.m.-6:57 p.m.

1 stop5h 57m

C$ 451

BostonMontreal

BOS Boston Logan Intl - YUL Montreal Pierre Elliott Trudeau Intl

BOSYUL

Boston Logan Intl

Fri 18/9

6:00 a.m.-4:10 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

8:00 p.m.-9:26 p.m.

Nonstop1h 26m

C$ 456

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Wed 16/9

7:00 a.m.-11:27 a.m.

1 stop4h 27m

Ottawa

Wed 23/9

2:20 p.m.-3:50 p.m.

Nonstop1h 30m

C$ 456

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/8

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-YTZ

BOS-YYZ

BOS-YOW

PWM-YYZ

BOS-YUL

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-YTZ

BOS-YYZ

BOS-YOW

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 1h 45m. Your travel time can differ by up to 7h 11m. The distance between Maine and Region of Ontario is about 695 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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Dulles Intl to Vancouver Intl flights

LaGuardia to Vancouver Intl flights

Fort Lauderdale to Pearson Intl flights

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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$ 128

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. 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 28 August 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 28 August 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 28 August 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 28 August 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 28 August 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 28 August 2026.

Last-minute flights from Maine to OntarioDiscover last-minute flight deals from Maine to Ontario. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from Maine to Ontario. Data last updated 28 August 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 28 August 2026.

Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated 28 August 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 28 August 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 28 August 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?

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

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 28 August 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 28 August 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 28 August 2026.

Last-minute flights from Maine to Ontario
Discover last-minute flight deals from Maine to Ontario. Data last updated 28 August 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 28 August 2026.