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Cheap flights from Ontario to Maine from C$ 173
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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
6 Aug — 13 Aug1
Round-trip
1 adult
Economy
Cheap flight deals from Ontario to Maine
Keep the following information in mind while searching for Ontario to Maine flight deals. Data was last updated 1 August 2025.
Find flight deals from Ontario to Maine
Cheapest flights from Ontario to MaineExplore the most affordable flight options available from Ontario to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.
Explore the most affordable flight options available from Ontario to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.
Sat 16/85:55 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Sun 31/88:20 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 31/7C$ 286
Sat 30/812:00 p.m.YYZ - BOS
1 stop6h 00mAir Canada
Sun 31/85:50 a.m.BOS - YYZ
1 stop4h 50mAir Canada
Deal found 30/7C$ 286
Sat 13/95:25 p.m.YTZ - BOS
1 stop4h 30mMultiple Airlines
Sat 20/912:15 p.m.BOS - YTZ
Nonstop1h 49mMultiple Airlines
Deal found 30/7C$ 310
Wed 3/910:25 a.m.YTZ - BOS
1 stop4h 05mAir Canada
Tue 9/910:20 a.m.BOS - YTZ
1 stop4h 25mAir Canada
Deal found 30/7C$ 320
Sat 30/89:10 a.m.YYZ - BOS
2 stops8h 48mMultiple Airlines
Sun 31/86:00 a.m.BOS - YYZ
Nonstop1h 55mMultiple Airlines
Deal found 1/8C$ 331
Wed 27/87:55 a.m.YYZ - BOS
1 stop6h 19mDelta
Sat 6/91:00 p.m.BOS - YYZ
1 stop7h 43mDelta
Deal found 31/7C$ 350
Fri 3/107:40 a.m.YYZ - BOS
2 stops10h 48mPorter Airlines
Mon 6/103:30 p.m.BOS - YYZ
2 stops14h 19mPorter Airlines
Deal found 1/8C$ 356
Tue 2/95:00 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Fri 5/93:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Deal found 29/7C$ 385
Thu 4/98:30 p.m.YUL - BOS
Nonstop1h 25mAir Canada
Sun 7/96:00 a.m.BOS - YUL
1 stop6h 20mAir Canada
Deal found 31/7C$ 394
Sat 13/99:40 a.m.YUL - BOS
2 stops6h 19mMultiple Airlines
Sat 20/97:15 a.m.BOS - YUL
1 stop6h 30mMultiple Airlines
Deal found 30/7C$ 399
Wed 27/82:30 p.m.YUL - BOS
1 stop7h 01mPorter Airlines
Wed 3/910:10 a.m.BOS - YUL
1 stop5h 50mPorter Airlines
Deal found 30/7C$ 403
Thu 4/92:20 p.m.YUL - BOS
1 stop4h 35mUnited Airlines
Sun 7/97:10 a.m.BOS - YUL
1 stop5h 59mUnited Airlines
Deal found 31/7C$ 447
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Maine 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 1 August 2025.
Use the filters below to find and compare flights from Ontario to Maine that are best for you.
Fly from
Ontario
Fly to
Maine
Route
Depart
Return
Price
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Sat 16/8
5:55 p.m.-7:36 p.m.
Nonstop1h 41m
Boston Logan Intl
Sun 31/8
8:20 p.m.-10:09 p.m.
Nonstop1h 49m
C$ 286
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
Sat 30/8
12:00 p.m.-6:00 p.m.
1 stop6h 00m
Boston Logan Intl
Sun 31/8
5:50 a.m.-10:40 a.m.
1 stop4h 50m
C$ 286
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Sat 13/9
5:25 p.m.-9:55 p.m.
1 stop4h 30m
Boston Logan Intl
Sat 20/9
12:15 p.m.-2:04 p.m.
Nonstop1h 49m
C$ 310
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Wed 3/9
10:25 a.m.-2:30 p.m.
1 stop4h 05m
Boston Logan Intl
Tue 9/9
10:20 a.m.-2:45 p.m.
1 stop4h 25m
C$ 320
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
Sat 30/8
9:10 a.m.-5:58 p.m.
2 stops8h 48m
Boston Logan Intl
Sun 31/8
6:00 a.m.-7:55 a.m.
Nonstop1h 55m
C$ 331
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
Wed 27/8
7:55 a.m.-2:14 p.m.
1 stop6h 19m
Boston Logan Intl
Sat 6/9
1:00 p.m.-8:43 p.m.
1 stop7h 43m
C$ 350
TorontoBoston
YYZ - BOS
YYZBOS
Toronto Pearson Intl
Fri 3/10
7:40 a.m.-6:28 p.m.
2 stops10h 48m
Boston Logan Intl
Mon 6/10
3:30 p.m.-5:49 a.m.
2 stops14h 19m
C$ 356
OttawaBoston
YOW - BOS
YOWBOS
Ottawa
Tue 2/9
5:00 p.m.-6:28 p.m.
Nonstop1h 28m
Boston Logan Intl
Fri 5/9
3:30 p.m.-4:58 p.m.
Nonstop1h 28m
C$ 385
MontrealBoston
YUL - BOS
YULBOS
Montreal Pierre Elliott Trudeau Intl
Thu 4/9
8:30 p.m.-9:55 p.m.
Nonstop1h 25m
Boston Logan Intl
Sun 7/9
6:00 a.m.-12:20 p.m.
1 stop6h 20m
C$ 394
MontrealBoston
YUL - BOS
YULBOS
Montreal Pierre Elliott Trudeau Intl
Sat 13/9
9:40 a.m.-3:59 p.m.
2 stops6h 19m
Boston Logan Intl
Sat 20/9
7:15 a.m.-1:45 p.m.
1 stop6h 30m
C$ 399
Showing 1-10 of 60 results
Best time to book a flight from Ontario to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Ontario 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 Ontario to Maine
What is the cheapest time of day to fly from ON to ME?
Find hourly flight availability from Ontario to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 August 2025.
When flying from Region of Ontario to Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Region of Ontario to Maine?
Reviews of airlines servicing Maine
Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated 1 August 2025.
Get a feel of what it's like to fly with Porter Airlines,Delta, andAir Transat from Ontario to Maine 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.
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Crew
8.7
Overall
8.0
Comfort
8.0
Boarding
8.2
Entertainment
7.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Related info for your journey
Find useful and relevant information for your journey from Ontario to Maine. 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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Alternative routes for Ontario to Maine
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Ontario to Maine
Discover the top 2 airlines that operate flights from Ontario to Maine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 August 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario to Maine?
Cheapflights makes it easy to find Ontario to Maine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Maine?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Maine for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Ontario to Maine with no change fees?
Certainly. Search results for flights to Maine from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ontario to Maine become cheaper?
Not ready to book yet? You can track prices for flights from Ontario to Maine on Cheapflights with our Price Alert feature and get notified when better prices are available.