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Niagara Falls

$183+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$410
(American Airlines)

One-way from

$183
(Delta)

Popular in

November

Cheapest in

September

Average price

$490
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 ($134 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 June 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 junio 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/198:15 amPWM - YYZ
1 stop10h 29mAmerican Airlines
mar. 7/2212:45 pmYYZ - PWM
1 stop7h 39mAmerican Airlines
Deal found 6/18$410
This Delta deal was found by Cheapflights users on 6/16. 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.
sáb. 8/167:00 amPWM - YYZ
1 stop9h 10mDelta
mié. 8/206:04 amYYZ - PWM
1 stop7h 52mDelta
Deal found 6/16$434
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/317:28 amPWM - YYZ
1 stop6h 19mAir Canada
jue. 8/77:30 amYYZ - PWM
1 stop5h 50mAir Canada
Deal found 6/16$549
This United Airlines deal was found by Cheapflights users on 6/16. 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.
jue. 7/317:28 amPWM - YYZ
1 stop4h 16mUnited Airlines
jue. 8/77:30 amYYZ - PWM
1 stop5h 50mUnited Airlines
Deal found 6/16$591
This Mytrip deal was found by Cheapflights users on 6/18. 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.
vie. 7/186:05 pmPWM - YYZ
3 stops24h 09mMultiple Airlines
lun. 7/217:00 amYYZ - PWM
3 stops30h 05mMultiple Airlines
Deal found 6/18$607

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 junio 18, 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

sáb. 7/19

8:15 am-6:44 pm

1 stop10h 29m

Toronto Pearson Intl

mar. 7/22

12:45 pm-8:24 pm

1 stop7h 39m

$410

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

sáb. 8/16

7:00 am-4:10 pm

1 stop9h 10m

Toronto Pearson Intl

mié. 8/20

6:04 am-1:56 pm

1 stop7h 52m

$434

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

jue. 7/31

7:28 am-1:47 pm

1 stop6h 19m

Toronto Pearson Intl

jue. 8/7

7:30 am-1:20 pm

1 stop5h 50m

$549

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

jue. 7/31

7:28 am-11:44 am

1 stop4h 16m

Toronto Pearson Intl

jue. 8/7

7:30 am-1:20 pm

1 stop5h 50m

$591

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

vie. 7/18

6:05 pm-6:14 pm

3 stops24h 09m

Toronto Pearson Intl

lun. 7/21

7:00 am-1:05 pm

3 stops30h 05m

$607

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

mar. 7/29

6:05 am-1:40 pm

1 stop7h 35m

$183

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

vie. 8/22

1:13 pm-11:10 pm

1 stop9h 57m

$208

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

lun. 7/28

6:01 am-7:00 pm

1 stop12h 59m

$246

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

lun. 7/28

6:01 am-7:05 pm

2 stops13h 04m

$307

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

vie. 7/4

11:44 am-12:24 am

2 stops12h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 11 results
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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 $350). 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 junio 18, 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 junio 18, 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
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,876 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,572 reviews
Delta
8.0
Very good
7,964 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Portland, Maine to Niagara Falls one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $183. American Airlines flights start at $208 while deals on United Airlines start at $307 one-way.

  • 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 $350). 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

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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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$417FlexibilityNo cancel feeOn-time71%

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