$178+ Cheap flights from Portland, ME (PWM) 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Portland 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
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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 Portland to Ontario
Keep the following information in mind while searching for Portland to Ontario flight deals. Data was last updated febrero 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Mytrip) |
One-way from | $178 (Delta) |
Popular in | May |
Cheapest in | September |
Average price | $483 |
Find flight deals from Portland to Ontario
Cheapest flights from Portland to OntarioExplore the most affordable flight options available from Portland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.
Explore the most affordable flight options available from Portland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/20. 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.
This American Airlines deal was found by Cheapflights users on 2/20. 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.
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 2/20. 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.
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
This United Airlines deal was found by Cheapflights users on 2/19. 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.
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Portland to Ontario within your budget
Customize your flight search to find flights from Portland 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 febrero 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
vie. 4/4
12:21 pm-1:55 pm
1 stop25h 34m
Toronto Pearson Intl
vie. 4/11
6:45 am-11:20 am
1 stop28h 35m
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
sáb. 4/5
6:15 am-12:43 pm
1 stop6h 28m
Toronto Pearson Intl
sáb. 4/12
6:00 pm-11:27 pm
1 stop5h 27m
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
mié. 3/19
5:42 am-3:00 pm
2 stops9h 18m
Toronto Pearson Intl
mié. 3/26
10:55 am-4:40 pm
1 stop5h 45m
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
vie. 4/18
7:00 am-3:09 pm
1 stop8h 09m
Toronto Pearson Intl
mar. 4/22
6:05 pm-12:40 am
1 stop6h 35m
PortlandMontreal
PWM - YUL
PWMYUL
Portland
jue. 4/3
5:23 pm-6:00 pm
2 stops24h 37m
Montreal Pierre Elliott Trudeau Intl
jue. 4/10
6:45 am-5:10 pm
3 stops34h 25m
PortlandMontreal
PWM - YUL
PWMYUL
Portland
sáb. 4/5
10:07 am-9:50 am
1 stop23h 43m
Montreal Pierre Elliott Trudeau Intl
mar. 4/8
5:30 pm-11:38 am
1 stop18h 08m
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
sáb. 4/19
7:00 am-10:55 pm
1 stop15h 55m
Toronto Pearson Intl
dom. 4/27
6:00 am-11:09 pm
1 stop17h 09m
PortlandToronto
PWM - YYZ
PWMYYZ
Portland
sáb. 4/19
6:15 am-11:44 am
1 stop5h 29m
Toronto Pearson Intl
dom. 4/27
6:30 am-11:27 pm
2 stops16h 57m
PortlandMontreal
PWM - YUL
PWMYUL
Portland
mié. 7/9
5:00 pm-11:09 pm
1 stop6h 09m
Montreal Pierre Elliott Trudeau Intl
dom. 7/13
4:55 pm-12:01 pm
1 stop19h 06m
PortlandMontreal
PWM - YUL
PWMYUL
Portland
sáb. 4/5
9:30 am-3:50 pm
1 stop6h 20m
Montreal Pierre Elliott Trudeau Intl
sáb. 4/12
9:15 am-3:02 pm
1 stop5h 47m
Best time to book a flight from Portland to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Portland with our price prediction graph.
Travel insights for flights from Portland to Ontario
Get recent, data-driven insights about flights from Portland to Ontario including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Portland, Maine to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Region of Ontario (average of $243). Flying from Portland, Maine to Region of Ontario in July is currently the most expensive (average of $359). 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 PWM to ON?
Find hourly flight availability from Portland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.
When flying from Portland, Maine to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).
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 febrero 20, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Portland to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Overall
Boarding
Comfort
Entertainment
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Portland 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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Alternative routes for Portland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Portland to Ontario
Discover the top 2 airlines that operate flights from Portland to Ontario. 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 2,558,603 searches. Data last updated febrero 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$525 | FlexibilityNo cancel fee | On-time60% |