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Cheap flights from Ontario to Maine from C$ 171
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
29 Nov — 6 Dec1
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 30 October 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 30 October 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 30 October 2025.
Thu 20/111:00 p.m.YYZ - BOS
1 stop6h 12mAir Canada
Sun 23/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 29/10C$ 281
Mon 24/118:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Mon 1/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Deal found 28/10C$ 288
Sun 23/118:00 a.m.YTZ - BOS
Nonstop1h 35mAir Transat
Sat 29/117:00 a.m.BOS - YTZ
Nonstop1h 55mAir Transat
Deal found 27/10C$ 293
Thu 27/111:00 p.m.YYZ - BOS
1 stop6h 12mAir Canada
Mon 1/126:40 p.m.BOS - YYZ
1 stop5h 24mAir Canada
Deal found 28/10C$ 293
Tue 25/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 2/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 28/10C$ 295
Thu 20/1111:05 a.m.YTZ - BOS
Nonstop1h 35mAir Transat
Sun 23/117:00 a.m.BOS - YTZ
Nonstop1h 55mAir Transat
Deal found 28/10C$ 300
Fri 21/1112:30 a.m.YYZ - BOS
2 stops9h 02mAir Canada
Sun 23/115:30 a.m.BOS - YYZ
1 stop6h 10mAir Canada
Deal found 28/10C$ 300
Thu 20/1111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 23/117:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 28/10C$ 301
Thu 20/111:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Sat 22/117:00 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 28/10C$ 302
Thu 20/111:00 p.m.YYZ - BOS
1 stop6h 12mAir Canada
Sun 4/110:45 a.m.BOS - YYZ
Nonstop2h 03mAir Canada
Deal found 29/10C$ 302
Sun 7/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 11/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 27/10C$ 305
Thu 20/111:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 21/113:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 29/10C$ 306
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 30 October 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
YYZ - BOS
YYZBOS
Toronto Pearson Intl
Thu 20/11
1:00 p.m.-7:12 p.m.
1 stop6h 12m
Boston Logan Intl
Sun 4/1
10:45 a.m.-12:48 p.m.
Nonstop2h 03m
C$ 302
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Thu 20/11
1:20 p.m.-2:55 p.m.
Nonstop1h 35m
Boston Logan Intl
Sun 23/11
7:00 a.m.-8:55 a.m.
Nonstop1h 55m
C$ 304
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Sun 11/1
1:10 p.m.-2:45 p.m.
Nonstop1h 35m
Boston Logan Intl
Fri 16/1
6:55 p.m.-8:54 p.m.
Nonstop1h 59m
C$ 305
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Mon 24/11
2:05 p.m.-6:11 p.m.
1 stop4h 06m
Boston Logan Intl
Thu 4/12
7:00 a.m.-8:55 a.m.
Nonstop1h 55m
C$ 306
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Mon 8/12
2:05 p.m.-6:11 p.m.
1 stop4h 06m
Boston Logan Intl
Thu 11/12
7:00 a.m.-8:55 a.m.
Nonstop1h 55m
C$ 306
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Fri 28/11
8:00 a.m.-9:35 a.m.
Nonstop1h 35m
Boston Logan Intl
Mon 1/12
3:40 p.m.-10:03 p.m.
1 stop6h 23m
C$ 319
TorontoBoston
YTZ - BOS
YTZBOS
Toronto Island
Fri 5/12
8:30 p.m.-10:05 p.m.
Nonstop1h 35m
Boston Logan Intl
Tue 9/12
7:00 p.m.-8:55 p.m.
Nonstop1h 55m
C$ 320
OttawaBoston
YOW - BOS
YOWBOS
Ottawa
Fri 5/12
4:45 p.m.-6:11 p.m.
Nonstop1h 26m
Boston Logan Intl
Mon 8/12
3:40 p.m.-5:09 p.m.
Nonstop1h 29m
C$ 326
OttawaBoston
YOW - BOS
YOWBOS
Ottawa
Fri 12/12
8:40 a.m.-2:55 p.m.
1 stop6h 15m
Boston Logan Intl
Mon 15/12
7:00 a.m.-11:29 a.m.
1 stop4h 29m
C$ 327
OttawaBoston
YOW - BOS
YOWBOS
Ottawa
Fri 12/12
8:40 a.m.-2:55 p.m.
1 stop6h 15m
Boston Logan Intl
Sun 14/12
7:00 a.m.-11:29 a.m.
1 stop4h 29m
C$ 327
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 month to book a flight from Region of Ontario to Maine?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Maine (average of C$ 185). Flying from Region of Ontario to Maine in December is currently the most expensive (average of C$ 653). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 30 October 2025.
It’s optimal to fly from Region of Ontario to Maine in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.
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 30 October 2025.
Get a feel of what it's like to fly with United Airlines and WestJet 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.
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Entertainment
7.1
Overall
7.4
Comfort
7.3
Food
6.6
Boarding
7.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
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.
Browse thousands of different options on Cheapflights for your next trip
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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 30 October 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.