$176+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Dec 3 — Dec 101
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 November 3, 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 November 3, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop11h 31m
Wed 12/95:10 pm -
1 stop16h 12m
Deal found 10/29![American Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/210:07 am -
2 stops13h 13m
Wed 12/98:00 am -
1 stop8h 32m
Deal found 11/3![Multiple Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:47 pm -
1 stop5h 00m
Sat 12/512:42 pm -
1 stop10h 04m
Deal found 10/29![American Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 11/1. 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 12/44:00 pm -
1 stop6h 54m
Mon 12/72:35 pm -
1 stop8h 45m
Deal found 11/1![Delta logo]()
$550
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/35:00 am -
1 stop11h 31m
Sun 12/65:11 pm -
1 stop16h 11m
Deal found 10/31![American Airlines logo]()
$554
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/2610:34 am -
2 stops23h 29m
Wed 12/212:30 pm -
1 stop11h 01m
Deal found 11/2![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/166:47 pm -
1 stop5h 00m
Thu 11/196:00 am -
1 stop4h 38m
Deal found 10/30![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/156:17 am -
1 stop5h 42m
Sat 11/215:13 pm -
1 stop16h 51m
Deal found 11/1![American Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/411:08 am -
1 stop28h 22m
Fri 12/115:30 am -
2 stops27h 57m
Deal found 11/3![Multiple Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/39:12 am -
1 stop4h 31m
Mon 12/72:57 pm -
1 stop5h 45m
Deal found 11/1![United Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/306:42 pm -
1 stop5h 05m
Mon 12/75:10 pm -
1 stop16h 17m
Deal found 11/2![American Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/13:20 pm -
1 stop6h 04m
Wed 12/22:57 pm -
1 stop8h 27m
Deal found 11/3![United Airlines logo]()
$610
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 November 3, 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 November 3, 2026.
This Delta deal was found by Cheapflights users on 10/31. 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 3/266:30 am -
1 stop4h 44m
Mon 3/296:15 am -
1 stop4h 46m
Deal found 10/31![Delta logo]()
$580
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 3/511:01 am -
1 stop6h 28m
Sun 3/76:00 am -
1 stop4h 36m
Deal found 10/30![American Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 3/510:46 am -
1 stop13h 09m
Sun 3/77:35 am -
1 stop26h 21m
Deal found 10/30![Multiple Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/286:00 am -
1 stop15h 24m
Sat 12/59:44 am -
1 stop11h 46m
Deal found 10/30![United Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/31. 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 1/56:00 am -
1 stop5h 50m
Fri 1/155:13 pm -
1 stop15h 37m
Deal found 10/31![American Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/165:35 am -
1 stop6h 13m
Thu 11/193:35 pm -
1 stop6h 16m
Deal found 10/30![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 3/266:00 am -
1 stop5h 48m
Mon 3/2912:45 pm -
1 stop10h 12m
Deal found 11/1![United Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/1411:08 am -
2 stops36h 32m
Mon 12/214:30 pm -
1 stop17h 16m
Deal found 11/3![Multiple Airlines logo]()
$695
This Delta deal was found by Cheapflights users on 11/2. 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 11/245:13 am -
1 stop18h 28m
Thu 11/266:00 am -
2 stops7h 17m
Deal found 11/2![Delta logo]()
$711
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/39:12 am -
1 stop4h 31m
Mon 12/72:57 pm -
1 stop5h 45m
Deal found 10/30![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/147:00 am -
1 stop12h 59m
Mon 12/217:44 pm -
1 stop4h 15m
Deal found 10/30![United Airlines logo]()
$602
This Delta deal was found by Cheapflights users on 11/1. 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 2/126:00 am -
1 stop5h 17m
Fri 2/192:25 pm -
1 stop9h 00m
Deal found 11/1![Delta logo]()
$755
This United deal was found by Cheapflights users on 11/2. 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.
Sun 11/2211:00 am -
1 stop24h 48m
Wed 11/252:57 pm -
1 stop19h 22m
Deal found 11/2![Multiple Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 11/238:49 am -
1 stop9h 00m
Wed 11/258:35 am -
1 stop5h 41m
Deal found 11/3![United Airlines logo]()
$629
This Delta deal was found by Cheapflights users on 11/2. 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 11/203:45 pm -
1 stop19h 34m
Thu 11/267:50 am -
1 stop5h 27m
Deal found 11/2![Delta logo]()
$767
This Delta deal was found by Cheapflights users on 11/1. 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 3/53:11 pm -
1 stop8h 08m
Mon 3/87:59 am -
1 stop4h 37m
Deal found 11/1![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 12/411:23 am -
2 stops27h 44m
Fri 12/114:36 pm -
2 stops18h 03m
Deal found 11/3![United Airlines logo]()
$838
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/144:24 pm -
3 stops25h 32m
Mon 12/217:00 am -
2 stops8h 26m
Deal found 11/3![American Airlines logo]()
$1,355
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/1211:23 am -
1 stop6h 26m
Mon 12/148:05 am -
2 stops26h 34m
Deal found 11/2![United Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/1411:23 am -
1 stop10h 33m
Mon 12/213:10 pm -
1 stop7h 20m
Deal found 10/30![United Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/1611:24 am -
1 stop10h 32m
Wed 12/236:00 am -
1 stop4h 45m
Deal found 11/1![United Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:25 am -
2 stops25h 17m
Sat 1/99:10 pm -
1 stop13h 34m
Deal found 10/29![United Airlines logo]()
$931
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/306:25 am -
2 stops30h 45m
Wed 1/69:45 am -
2 stops24h 59m
Deal found 11/3![United Airlines logo]()
$999
Last-minute flights from Maine to OntarioDiscover last-minute flight deals from Maine to Ontario. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Ontario. Data last updated November 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/156:17 am -
1 stop5h 42m
Sat 11/215:13 pm -
1 stop16h 51m
Deal found 11/1![American Airlines logo]()
$591
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/166:47 pm -
1 stop5h 00m
Thu 11/196:00 am -
1 stop4h 38m
Deal found 10/30![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/2610:34 am -
2 stops23h 29m
Wed 12/212:30 pm -
1 stop11h 01m
Deal found 11/2![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:47 pm -
1 stop5h 00m
Sat 12/512:42 pm -
1 stop10h 04m
Deal found 10/29![American Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/306:42 pm -
1 stop5h 05m
Mon 12/75:10 pm -
1 stop16h 17m
Deal found 11/2![American Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/13:20 pm -
1 stop6h 04m
Wed 12/22:57 pm -
1 stop8h 27m
Deal found 11/3![United Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/210:07 am -
2 stops13h 13m
Wed 12/98:00 am -
1 stop8h 32m
Deal found 11/3![Multiple Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop11h 31m
Wed 12/95:10 pm -
1 stop16h 12m
Deal found 10/29![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/35:00 am -
1 stop11h 31m
Sun 12/65:11 pm -
1 stop16h 11m
Deal found 10/31![American Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/39:12 am -
1 stop4h 31m
Mon 12/72:57 pm -
1 stop5h 45m
Deal found 11/1![United Airlines logo]()
$602
This Delta deal was found by Cheapflights users on 11/1. 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 12/44:00 pm -
1 stop6h 54m
Mon 12/72:35 pm -
1 stop8h 45m
Deal found 11/1![Delta logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/411:08 am -
1 stop28h 22m
Fri 12/115:30 am -
2 stops27h 57m
Deal found 11/3![Multiple Airlines logo]()
$600
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 November 3, 2026.
Search for one-way flight options from Maine to Ontario. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/145:35 pm -
3 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/186:31 pm -
2 stops30h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 10/31. 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.
Thu 11/1911:39 am -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/185:30 am -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 10/31. 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 11/196:00 am -
1 stop4h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![American Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 12/196:00 am -
1 stop7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/39:54 am -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/197:12 pm -
2 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 11/205:50 am -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/310:54 am -
3 stops34h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/111:23 am -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/186:25 am -
1 stop7h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$366
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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $432 (Kiwi.com) |
One-way from | $176 (Kiwi.com) |
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 November 3, 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
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Mon 12/14
5:35 pm-3:20 pm
3 stops45h 45m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$176
Quickest round-trip
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Thu 11/19
11:39 am-4:15 pm
1 stop4h 36m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$261
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Wed 11/18
5:30 am-2:25 pm
1 stop8h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Sat 12/19
6:00 am-1:43 pm
1 stop7h 43m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$276
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Thu 12/3
9:54 am-4:31 pm
1 stop6h 37m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$289
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Fri 11/20
5:50 am-1:43 pm
1 stop7h 53m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$295
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Thu 12/3
10:54 am-9:22 pm
3 stops34h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$331
PortlandToronto
PWM Portland - YYZ Toronto Pearson Intl
PWMYYZ
Portland
Thu 12/3
7:55 pm-12:42 pm
2 stops16h 47m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$341
BangorToronto
BGR Bangor - YYZ Toronto Pearson Intl
BGRYYZ
Bangor
Tue 12/1
11:23 am-5:49 pm
1 stop6h 26m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$346
BangorToronto
BGR Bangor - YYZ Toronto Pearson Intl
BGRYYZ
Bangor
Fri 12/18
6:25 am-1:43 pm
1 stop7h 18m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$366
Showing 1-10 of 39 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.
PWM-YYZ
BGR-YYZ
BGR-YOW
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
PWM-YYZ
BGR-YYZ
BGR-YOW
No data available for this route at this time. Please check back soon.
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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