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Niagara Falls

$167+ Cheap flights from Portland, ME (PWM) to Niagara Falls, Canada

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Portland to Niagara Falls

Keep the following information in mind while searching for Portland to Niagara Falls flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$390
(Delta)

One-way from

$167
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$415
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
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From Portland to Niagara Falls
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One-way flight from Portland to Niagara Falls
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Highest demand for flights based on searches. 22% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Portland to Niagara Falls

Cheapest flights from Portland to Niagara Falls
Explore the most affordable flight options available from Portland to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:30 pmPWM - YYZ
1 stop5h 24mDelta
Sun 6/12:30 pmYYZ - PWM
1 stop8h 51mDelta
Deal found 4/29$390
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/295:50 amPWM - YYZ
2 stops8h 43mAmerican Airlines
Thu 6/57:35 amYYZ - PWM
1 stop13h 20mAmerican Airlines
Deal found 4/29$400
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/134:04 pmPWM - YYZ
2 stops14h 31mUnited Airlines
Fri 6/205:30 pmYYZ - PWM
1 stop5h 58mUnited Airlines
Deal found 4/29$424
This WestJet deal was found by Cheapflights users on 4/29. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/135:00 pmPWM - YYZ
1 stop15h 58mWestJet
Fri 5/166:30 amYYZ - PWM
1 stop9h 33mWestJet
Deal found 4/29$465
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2510:23 amPWM - YYZ
2 stops27h 42mMultiple Airlines
Sat 7/56:30 amYYZ - PWM
2 stops37h 42mMultiple Airlines
Deal found 4/30$567
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:10 amPWM - YYZ
1 stop7h 37mAir Canada
Sun 6/12:00 pmYYZ - PWM
2 stops9h 28mAir Canada
Deal found 4/30$581

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Niagara Falls 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 May 1, 2025.
Use the filters below to find and compare flights from Portland to Niagara Falls that are best for you.

Fly from

Portland

Fly to

Niagara Falls

Route

Depart

Return

Price

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/30

5:30 pm-10:54 pm

1 stop5h 24m

Toronto Pearson Intl

Sun 6/1

2:30 pm-11:21 pm

1 stop8h 51m

$390

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 5/29

5:50 am-2:33 pm

2 stops8h 43m

Toronto Pearson Intl

Thu 6/5

7:35 am-8:55 pm

1 stop13h 20m

$400

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 6/13

4:04 pm-6:35 am

2 stops14h 31m

Toronto Pearson Intl

Fri 6/20

5:30 pm-11:28 pm

1 stop5h 58m

$424

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 5/13

5:00 pm-8:58 am

1 stop15h 58m

Toronto Pearson Intl

Fri 5/16

6:30 am-4:03 pm

1 stop9h 33m

$465

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 6/25

10:23 am-2:05 pm

2 stops27h 42m

Toronto Pearson Intl

Sat 7/5

6:30 am-8:12 pm

2 stops37h 42m

$567

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/30

6:10 am-1:47 pm

1 stop7h 37m

Toronto Pearson Intl

Sun 6/1

2:00 pm-11:28 pm

2 stops9h 28m

$581

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/16

6:55 pm-10:04 am

1 stop15h 09m

$167

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 6/30

5:08 am-12:04 pm

2 stops6h 56m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Portland to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Portland 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 Portland to Niagara Falls

What is the cheapest month to book a flight from Portland, Maine to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Niagara Falls (average of $243). Flying from Portland, Maine to Niagara Falls 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 NI4?

Find hourly flight availability from Portland to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Portland, Maine to Niagara Falls, 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 Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Niagara Falls 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 Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Niagara Falls, 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 Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated May 1, 2025.
To help decide which airline to fly from Portland to Niagara Falls, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Niagara Falls?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Niagara Falls from Portland. Booking flights from Portland (PWM) to Niagara Falls should be relatively easy as there are 0 daily outbound flights to Niagara Falls from 1 airline.

  • Can I find deals for flights from Portland to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Portland to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Niagara Falls.

  • Can I find deals for business class flights from Portland to Niagara Falls?

    Yes. Cheapflights offers flight deals from Portland to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Niagara Falls (average of $243). Flying from Portland, Maine to Niagara Falls 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Portland to Niagara Falls

Discover the top airline that operate flights from Portland to Niagara Falls. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$379FlexibilityNo cancel feeOn-time71%

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