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Cheap flights from Maine to Ontario from C$ 165

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Maine to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Maine (USME) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

C$ 310

One-way from

C$ 165
6/2-11/2
  • 6/2-11/2
  • 2 total stops
  • 26h 13m total
  • Maine to Ontario
Search Deals
20/1
  • 20/1
  • 2 total stops
  • 17h 27m total
  • Maine to Ontario
Search Deals

Find flight deals from Maine to Ontario

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 22 December 2024.

Tue 24/127:30 p.m.BOS - YOW
1 stop6h 07mAir Canada
Thu 26/126:10 p.m.YOW - BOS
1 stop4h 29mAir Canada
Deal found 22/12C$ 422
Tue 31/1210:34 a.m.BOS - YYZ
1 stop12h 01mMultiple Airlines
Sat 4/17:05 a.m.YYZ - BOS
2 stops16h 10mMultiple Airlines
Deal found 21/12C$ 507
Mon 30/126:27 a.m.BOS - YTZ
1 stop26h 03mMultiple Airlines
Mon 6/11:55 p.m.YTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 21/12C$ 532
Mon 30/1210:20 a.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Fri 3/11:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 20/12C$ 576
Tue 31/1210:20 a.m.BOS - YUL
1 stop4h 55mPorter Airlines
Fri 3/19:00 a.m.YUL - BOS
1 stop4h 20mPorter Airlines
Deal found 21/12C$ 606
Tue 31/1210:20 a.m.BOS - YUL
1 stop4h 55mMultiple Airlines
Sat 4/111:50 a.m.YUL - BOS
2 stops11h 25mMultiple Airlines
Deal found 21/12C$ 611
Sat 28/126:10 a.m.BOS - YYZ
Nonstop2h 06mUnited Airlines
Sun 19/18:00 a.m.YYZ - BOS
Nonstop1h 42mUnited Airlines
Deal found 21/12C$ 683
Sat 28/127:30 p.m.BOS - YYZ
Nonstop2h 00mAir Canada
Sun 19/16:25 a.m.YYZ - BOS
1 stop3h 43mAir Canada
Deal found 21/12C$ 690
Tue 31/1210:50 a.m.BOS - YUL
Nonstop1h 25mAir Canada
Fri 3/18:40 a.m.YUL - BOS
Nonstop1h 28mAir Canada
Deal found 20/12C$ 690
Tue 31/125:29 p.m.BOS - YUL
1 stop4h 13mUnited Airlines
Fri 3/18:40 a.m.YUL - BOS
Nonstop1h 28mUnited Airlines
Deal found 21/12C$ 703
Fri 27/126:35 p.m.BOS - YTZ
Nonstop1h 59mAir Transat
Fri 3/111:45 a.m.YTZ - BOS
Nonstop1h 35mAir Transat
Deal found 20/12C$ 766
Tue 31/128:00 a.m.BOS - YUL
1 stop4h 20mAmerican Airlines
Tue 31/125:35 p.m.YUL - BOS
2 stops29h 17mAmerican Airlines
Deal found 20/12C$ 793

Find flights from Maine to Ontario within your budget

Customize your flight search to find flights from Maine to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 6/2

6:00 a.m.-2:55 p.m.

1 stop8h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 11/2

3:55 p.m.-9:13 a.m.

1 stop17h 18m

C$ 310

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 8/1

10:03 p.m.-10:35 p.m.

2 stops24h 32m

Toronto Pearson Intl

Fri 10/1

7:00 a.m.-5:59 p.m.

1 stop10h 59m

C$ 358

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 5/2

6:00 a.m.-10:23 p.m.

2 stops16h 23m

Toronto Island

Wed 12/2

3:30 p.m.-9:13 a.m.

2 stops17h 43m

C$ 387

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 23/1

10:20 a.m.-5:09 p.m.

1 stop6h 49m

Ottawa

Sun 26/1

6:20 a.m.-12:50 p.m.

1 stop6h 30m

C$ 405

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 5/2

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

Toronto Island

Wed 12/2

1:05 p.m.-6:15 p.m.

1 stop5h 10m

C$ 420

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 20/1

6:18 p.m.-11:45 a.m.

2 stops17h 27m

Toronto Pearson Intl

Sun 26/1

7:00 p.m.-5:38 p.m.

2 stops22h 38m

C$ 445

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 20/1

6:00 a.m.-12:37 p.m.

1 stop6h 37m

Toronto Pearson Intl

Sun 26/1

9:00 a.m.-2:42 p.m.

1 stop5h 42m

C$ 447

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 11/1

2:00 p.m.-6:15 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

10:00 a.m.-3:30 p.m.

1 stop5h 30m

C$ 451

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 31/1

5:24 a.m.-1:00 p.m.

2 stops7h 36m

Toronto Pearson Intl

Sun 2/2

10:59 a.m.-11:57 p.m.

1 stop12h 58m

C$ 460

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 9/1

6:25 a.m.-5:15 p.m.

1 stop10h 50m

Ottawa

Mon 13/1

5:00 p.m.-6:15 p.m.

Nonstop1h 15m

C$ 468

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 55 results
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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.
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.

Travel insights for flights from Maine to Ontario

Get recent, data-driven insights about flights from Maine to Ontario including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Maine to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.

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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 22 December 2024.
To help decide which airline to fly from Maine to Ontario, see what other customers have to say about Air Canada, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
384 reviews
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,594 reviews
Check prices

Entertainment

7.9

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maine to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 185. Users have also found prices from C$ 193 and C$ 231 on Porter Airlines and United Airlines, 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.

  • What is the cheapest month to book a flight from Maine to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Maine to Region of Ontario (average of C$ 178). Flying from Maine to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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