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Ontario

$98+ Cheap flights from Maine to Ontario

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap 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 April 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:10 am
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 5/283:05 pm
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27$218
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:10 am
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 8/61:00 pm
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/28$219
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:10 am
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/1011:55 am
YTZ
-
BOS
1 stop4h 00m
Porter Airlines
Deal found 4/25$220
This Gotogate deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:35 am
BOS
-
YTZ
1 stop5h 17m
Multiple Airlines
Sun 5/103:05 pm
YTZ
-
BOS
Nonstop1h 41m
Multiple Airlines
Deal found 4/25$222
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:10 am
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Fri 5/226:05 pm
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27$223
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:10 am
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 5/2711:55 am
YTZ
-
BOS
1 stop4h 00m
Porter Airlines
Deal found 4/26$225
This Gotogate deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:10 am
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Sun 5/108:55 pm
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 4/25$227
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 pm
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 6/103:05 pm
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/29$227
This Vliegwinkel deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:25 pm
BOS
-
YYZ
1 stop4h 19m
Porter Airlines
Sun 5/177:25 am
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/26$228
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:30 pm
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Fri 5/299:00 am
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/26$228
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:05 am
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Thu 6/187:25 am
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/28$229
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:25 pm
BOS
-
YTZ
1 stop3h 33m
Porter Airlines
Sun 8/168:50 am
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/26$229

Find flight deals from Maine to Ontario

Keep the following information in mind while searching for Maine to Ontario flight deals. Data was last updated April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$218
(Kiwi.com)

One-way from

$98
(Super.com)
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
Search Deals
From Maine to Ontario
Search Deals
One-way flight from Maine to Ontario
Search Deals

Cheapflights Fare Finder

 
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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Maine to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 6/11

10:05 am-12:00 pm

Nonstop1h 55m

Toronto Pearson Intl

Thu 6/18

7:25 am-9:05 am

Nonstop1h 40m

$276

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 5/26

6:35 pm-8:30 pm

Nonstop1h 55m

Toronto Pearson Intl

Tue 6/2

7:25 am-9:05 am

Nonstop1h 40m

$276

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 5/17

3:25 pm-7:44 pm

1 stop4h 19m

Toronto Pearson Intl

Mon 5/18

7:25 am-9:05 am

Nonstop1h 40m

$281

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 7/17

4:45 pm-10:20 pm

1 stop5h 35m

Toronto Island

Mon 7/20

8:50 am-10:31 am

Nonstop1h 41m

$287

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 5/13

3:25 pm-7:44 pm

1 stop4h 19m

Toronto Pearson Intl

Sun 5/17

3:40 pm-8:55 pm

1 stop5h 15m

$290
Quickest round-trip

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 6/25

5:45 am-7:15 am

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 6/28

8:25 am-9:50 am

Nonstop1h 25m

$294

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 6/17

6:35 pm-8:30 pm

Nonstop1h 55m

Toronto Pearson Intl

Fri 6/26

3:55 pm-5:35 pm

Nonstop1h 40m

$295

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 5/19

4:45 pm-5:34 am

2 stops12h 49m

Toronto Pearson Intl

Fri 5/22

3:55 pm-5:35 pm

Nonstop1h 40m

$298

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 6/13

4:45 pm-6:15 pm

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 6/20

8:00 am-2:41 pm

1 stop6h 41m

$298

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 5/30

3:25 pm-8:24 pm

1 stop4h 59m

Toronto Pearson Intl

Tue 6/2

1:50 pm-7:05 pm

1 stop5h 15m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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.

Cheapflights Insights

Everything you need to know about your flight from Maine to Ontario
No data available for this route at this time. Please check back soon.

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 April 30, 2026.
Get a feel of what it's like to fly with American Airlines from Maine to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,681 reviews

Crew

7.9

Food

6.4

Overall

7.1

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,681 reviews
American Airlines
7.1
Good
11,681 reviews

Crew

7.9

Food

6.4

Overall

7.1

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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.

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

    Airlines like Porter Airlines, Air Canada, and Delta fly from Maine to Region of Ontario in about 1h 30m. The time it takes to get you to your destination can typically vary by up to 4h 49m. There are 253 mi between Maine and Region of Ontario. When browsing for deals, the options you’ll see will be for both nonstop 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

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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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