$95+ Cheap flights from Maine to Ontario
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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Maine to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to Ontario
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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 September 19, 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 September 19, 2026.
This Trip.com deal was found by Cheapflights users on 9/19. 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 10/310:05 am -
Nonstop1h 55m
Sun 10/47:25 am -
Nonstop1h 40m
Deal found 9/19![Porter Airlines logo]()
$207
This Gotogate deal was found by Cheapflights users on 9/19. 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.
Fri 10/2311:10 am -
Nonstop1h 47m
Sun 10/258:00 pm -
Nonstop1h 32m
Deal found 9/19![Porter Airlines logo]()
$207
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Sun 10/183:55 pm -
1 stop6h 09m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/18![Porter Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/274:35 pm -
Nonstop1h 54m
Thu 10/2912:15 pm -
1 stop4h 27m
Deal found 9/16![Porter Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/181:15 pm -
1 stop5h 50m
Thu 12/37:20 am -
Nonstop1h 50m
Deal found 9/18![Porter Airlines logo]()
$209
This Gotogate deal was found by Cheapflights users on 9/18. 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.
Fri 10/211:10 am -
Nonstop1h 47m
Sun 10/48:50 am -
Nonstop1h 39m
Deal found 9/18![Porter Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 11/99:50 am -
Nonstop2h 10m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 9/19![Porter Airlines logo]()
$210
This Trip.com deal was found by Cheapflights users on 9/18. 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 10/227:30 pm -
Nonstop1h 55m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/18![Porter Airlines logo]()
$211
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:40 pm -
Nonstop2h 03m
Sat 11/75:30 pm -
1 stop3h 58m
Deal found 9/16![Air Canada logo]()
$211
This Jettzy deal was found by Cheapflights users on 9/15. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:50 pm -
Nonstop1h 54m
Wed 11/49:45 am -
1 stop5h 08m
Deal found 9/15![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 10/33:55 pm -
1 stop6h 09m
Tue 10/67:25 am -
Nonstop1h 40m
Deal found 9/16![Porter Airlines logo]()
$213
This Kissandfly.com deal was found by Cheapflights users on 9/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:15 pm -
1 stop5h 13m
Tue 11/1010:35 am -
1 stop6h 07m
Deal found 9/17![Porter Airlines logo]()
$213
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 September 19, 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 September 19, 2026.
This Justfly.com deal was found by Cheapflights users on 9/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:55 pm -
1 stop5h 49m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/19![Porter Airlines logo]()
$234
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:01 am -
1 stop6h 41m
Tue 10/205:30 pm -
1 stop3h 56m
Deal found 9/16![Multiple Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop5h 48m
Wed 11/183:35 pm -
1 stop8h 00m
Deal found 9/19![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:05 pm -
1 stop6h 07m
Sun 10/42:30 pm -
1 stop8h 47m
Deal found 9/15![Delta logo]()
$279
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:35 pm -
2 stops17h 47m
Mon 10/267:20 pm -
2 stops14h 43m
Deal found 9/15![Air Canada logo]()
$497
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:35 pm -
Nonstop1h 54m
Thu 11/1912:15 pm -
1 stop4h 27m
Deal found 9/19![Porter Airlines logo]()
$250
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:05 pm -
1 stop10h 24m
Thu 11/56:00 am -
1 stop4h 37m
Deal found 9/14![American Airlines logo]()
$526
This United deal was found by Cheapflights users on 9/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:01 pm -
1 stop6h 14m
Wed 11/188:00 am -
1 stop6h 53m
Deal found 9/19![Multiple Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:01 pm -
1 stop6h 14m
Tue 11/108:35 am -
1 stop7h 15m
Deal found 9/19![United Airlines logo]()
$274
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:35 pm -
Nonstop1h 54m
Tue 11/1712:15 pm -
1 stop4h 27m
Deal found 9/19![Porter Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:00 pm -
1 stop7h 17m
Mon 10/55:04 pm -
1 stop4h 27m
Deal found 9/18![Delta logo]()
$279
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:35 pm -
Nonstop1h 54m
Tue 11/1710:35 am -
1 stop6h 07m
Deal found 9/19![Porter Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:59 pm -
1 stop8h 40m
Sun 10/46:10 am -
1 stop8h 32m
Deal found 9/18![Delta logo]()
$279
This United deal was found by Cheapflights users on 9/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
1 stop7h 09m
Wed 9/304:10 pm -
1 stop6h 30m
Deal found 9/16![Multiple Airlines logo]()
$291
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:35 pm -
Nonstop1h 54m
Thu 11/1912:15 pm -
1 stop4h 27m
Deal found 9/19![Porter Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:51 am -
1 stop6h 19m
Tue 10/1311:23 am -
1 stop5h 23m
Deal found 9/17![United Airlines logo]()
$323
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop10h 10m
Sun 10/118:00 pm -
Nonstop1h 26m
Deal found 9/15![Multiple Airlines logo]()
$307
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:50 am -
Nonstop2h 10m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 9/19![Porter Airlines logo]()
$254
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:02 pm -
1 stop4h 15m
Sat 10/317:55 am -
1 stop5h 24m
Deal found 9/18![WestJet logo]()
$810
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop7h 09m
Sat 10/248:25 am -
Nonstop1h 25m
Deal found 9/15![Multiple Airlines logo]()
$307
This Porter Airlines deal was found by Cheapflights users on 9/19. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:15 pm -
1 stop5h 50m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 9/19![Porter Airlines logo]()
$259
This United deal was found by Cheapflights users on 9/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:00 am -
1 stop4h 28m
Tue 11/178:00 pm -
Nonstop1h 28m
Deal found 9/19![Multiple Airlines logo]()
$307
This Porter Airlines deal was found by Cheapflights users on 9/14. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:55 pm -
1 stop6h 09m
Thu 10/157:25 am -
Nonstop1h 40m
Deal found 9/14![Porter Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:45 am -
1 stop4h 11m
Tue 10/66:00 am -
3 stops17h 24m
Deal found 9/17![United Airlines logo]()
$401
This United deal was found by Cheapflights users on 9/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:38 am -
1 stop14h 28m
Tue 10/201:15 pm -
Nonstop1h 26m
Deal found 9/17![Multiple Airlines logo]()
$307
This Porter Airlines deal was found by Cheapflights users on 9/15. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:10 am -
Nonstop1h 47m
Wed 9/308:50 am -
Nonstop1h 40m
Deal found 9/15![Porter Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 am -
1 stop4h 11m
Wed 10/216:00 am -
3 stops10h 21m
Deal found 9/15![United Airlines logo]()
$402
This Porter Airlines deal was found by Cheapflights users on 9/14. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:15 pm -
Nonstop1h 47m
Wed 10/146:00 pm -
Nonstop1h 39m
Deal found 9/14![Porter Airlines logo]()
$264
This United deal was found by Cheapflights users on 9/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop10h 10m
Sat 10/244:10 pm -
1 stop6h 30m
Deal found 9/17![Multiple Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:35 pm -
1 stop11h 24m
Wed 12/94:09 pm -
1 stop6h 48m
Deal found 9/17![American Airlines logo]()
$570
Last-minute flights from Maine to OntarioDiscover last-minute flight deals from Maine to Ontario. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Ontario. Data last updated September 19, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/110:05 am -
Nonstop1h 55m
Mon 10/54:55 pm -
Nonstop1h 40m
Deal found 9/16![Porter Airlines logo]()
$210
This Gotogate deal was found by Cheapflights users on 9/18. 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.
Fri 10/211:10 am -
Nonstop1h 47m
Sun 10/48:50 am -
Nonstop1h 39m
Deal found 9/18![Porter Airlines logo]()
$209
This Trip.com deal was found by Cheapflights users on 9/19. 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 10/310:05 am -
Nonstop1h 55m
Sun 10/47:25 am -
Nonstop1h 40m
Deal found 9/19![Porter Airlines logo]()
$207
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/310:05 am -
Nonstop1h 55m
Sun 10/117:25 am -
Nonstop1h 40m
Deal found 9/16![Porter Airlines logo]()
$213
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Sun 10/183:55 pm -
1 stop6h 09m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/18![Porter Airlines logo]()
$208
This Trip.com deal was found by Cheapflights users on 9/18. 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 10/227:30 pm -
Nonstop1h 55m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/18![Porter Airlines logo]()
$211
This Gotogate deal was found by Cheapflights users on 9/19. 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.
Fri 10/2311:10 am -
Nonstop1h 47m
Sun 10/258:00 pm -
Nonstop1h 32m
Deal found 9/19![Porter Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/274:35 pm -
Nonstop1h 54m
Thu 10/2912:15 pm -
1 stop4h 27m
Deal found 9/16![Porter Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/275:25 pm -
Nonstop2h 10m
Sat 10/315:20 pm -
Nonstop1h 50m
Deal found 9/17![Porter Airlines logo]()
$209
This Kissandfly.com deal was found by Cheapflights users on 9/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:15 pm -
1 stop5h 13m
Tue 11/1010:35 am -
1 stop6h 07m
Deal found 9/17![Porter Airlines logo]()
$213
This Jettzy deal was found by Cheapflights users on 9/15. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:50 pm -
Nonstop1h 54m
Wed 11/49:45 am -
1 stop5h 08m
Deal found 9/15![Multiple Airlines logo]()
$212
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:40 pm -
Nonstop2h 03m
Sat 11/75:30 pm -
1 stop3h 58m
Deal found 9/16![Air Canada logo]()
$211
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 September 19, 2026.
Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:05 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Transat logo]()
$95
This iWofly deal was found by Cheapflights users on 9/15. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:50 am -
1 stop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$95
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:30 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Transat logo]()
$96
This Flightnetwork deal was found by Cheapflights users on 9/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:35 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$96
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:30 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Porter Airlines logo]()
$97
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Porter Airlines logo]()
$97
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:50 am -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$98
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:45 pm -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Air Canada logo]()
$98
This Justfly.com deal was found by Cheapflights users on 9/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:55 pm -
1 stop6h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Porter Airlines logo]()
$99
This Flightnetwork deal was found by Cheapflights users on 9/17. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 am -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$99
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:55 pm -
1 stop6h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Porter Airlines logo]()
$100
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:55 pm -
1 stop4h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Porter Airlines logo]()
$100
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (FlightHub) |
One-way from | $95 (FlightHub) |
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 7,457,451 searches. Data last updated September 19, 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
Cheapest round-trip
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Sat 10/17
7:45 pm-9:41 pm
Nonstop1h 56m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$98
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Mon 11/9
3:01 pm-9:15 pm
1 stop6h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 10/28
3:01 pm-9:15 pm
1 stop6h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 11/5
3:01 pm-9:15 pm
1 stop6h 14m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$106
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 11/12
5:30 am-11:45 am
1 stop6h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 11/8
5:30 am-11:45 am
1 stop6h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Tue 10/13
5:50 am-11:33 am
1 stop5h 43m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Mon 11/9
5:30 am-10:10 am
1 stop4h 40m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Tue 11/10
5:30 am-11:51 am
1 stop6h 21m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Fri 11/13
5:30 am-10:10 am
1 stop4h 40m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
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-YTZ
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-YYZ
BOS-YTZ
BOS-YOW
PWM-YYZ
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 September 19, 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.
Comfort
7.2
Food
6.4
Boarding
7.4
Entertainment
6.8
Overall
7.0
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Food
6.4
Boarding
7.4
Entertainment
6.8
Overall
7.0
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
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