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Niagara Falls

$219+ Cheap flights from Portland, ME (PWM) to Niagara Falls, ON, 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:52 am
PWM
-
YYZ
1 stop10h 13m
Multiple Airlines
Sun 6/75:45 pm
YYZ
-
PWM
1 stop15h 27m
Multiple Airlines
Deal found 3/16$398
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/810:24 am
PWM
-
YYZ
1 stop12h 47m
American Airlines
Wed 4/157:15 am
YYZ
-
PWM
1 stop7h 54m
American Airlines
Deal found 3/15$406
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/273:39 pm
PWM
-
YYZ
1 stop7h 32m
American Airlines
Mon 5/47:25 pm
YYZ
-
PWM
1 stop14h 29m
American Airlines
Deal found 3/13$407
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Sun 4/1210:24 am
PWM
-
YYZ
1 stop12h 47m
American Airlines
Sun 4/197:15 am
YYZ
-
PWM
1 stop9h 05m
American Airlines
Deal found 3/13$443
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/910:24 am
PWM
-
YYZ
1 stop12h 47m
American Airlines
Thu 4/167:15 am
YYZ
-
PWM
1 stop7h 54m
American Airlines
Deal found 3/12$445
This American Airlines deal was found by Cheapflights users on 3/15. 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 4/303:39 pm
PWM
-
YYZ
1 stop7h 32m
American Airlines
Sun 5/37:25 pm
YYZ
-
PWM
1 stop14h 29m
American Airlines
Deal found 3/15$454
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/1010:24 am
PWM
-
YYZ
1 stop8h 21m
American Airlines
Fri 4/177:15 am
YYZ
-
PWM
1 stop9h 25m
American Airlines
Deal found 3/12$481
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:14 pm
PWM
-
YYZ
1 stop9h 55m
American Airlines
Wed 8/262:25 pm
YYZ
-
PWM
1 stop9h 22m
American Airlines
Deal found 3/16$511
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 8/121:14 pm
PWM
-
YYZ
1 stop9h 55m
American Airlines
Fri 8/147:15 pm
YYZ
-
PWM
1 stop14h 03m
American Airlines
Deal found 3/13$517

Find 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$398
(Kiwi.com)

One-way from

$219
(American Airlines)
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
Search Deals
From Portland to Niagara Falls
Search Deals
One-way flight from Portland to Niagara Falls
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from Portland to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 4/8

10:24 am-11:11 pm

1 stop12h 47m

Toronto Pearson Intl

Wed 4/15

7:15 am-3:09 pm

1 stop7h 54m

$406

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sun 4/12

10:24 am-11:11 pm

1 stop12h 47m

Toronto Pearson Intl

Sun 4/19

7:15 am-4:20 pm

1 stop9h 05m

$443

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 4/9

10:24 am-11:11 pm

1 stop12h 47m

Toronto Pearson Intl

Thu 4/16

7:15 am-3:09 pm

1 stop7h 54m

$445

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 4/14

3:39 pm-11:11 pm

1 stop7h 32m

Toronto Pearson Intl

Tue 4/21

7:15 am-3:09 pm

1 stop7h 54m

$445

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 4/10

10:24 am-6:45 pm

1 stop8h 21m

Toronto Pearson Intl

Fri 4/17

7:15 am-4:40 pm

1 stop9h 25m

$481

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 4/30

10:24 am-6:45 pm

1 stop8h 21m

Toronto Pearson Intl

Sun 5/3

3:24 pm-9:54 am

1 stop18h 30m

$492

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 8/12

1:14 pm-11:09 pm

1 stop9h 55m

Toronto Pearson Intl

Fri 8/14

7:15 pm-9:18 am

1 stop14h 03m

$517
Quickest round-trip

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/15

7:10 pm-11:54 pm

1 stop4h 44m

Toronto Pearson Intl

Wed 5/20

2:45 pm-9:19 pm

1 stop6h 34m

$561

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 4/11

6:33 pm-9:54 am

1 stop15h 21m

Toronto Pearson Intl

Wed 4/15

11:00 am-5:32 pm

1 stop6h 32m

$562
Cheapest one-way
Quickest one-way

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 6/27

6:00 am-11:43 am

1 stop5h 43m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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, April is the cheapest month in which you can book a flight from Portland, Maine to Niagara Falls (average of $131). Flying from Portland, Maine to Niagara Falls in August is currently the most expensive (average of $232). 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.

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 0 different airlines.

  • How long is the flight from Portland, Maine to Niagara Falls?

    There are many flights that can get you from Portland, Maine to Niagara Falls in 12h 47m. Fly via American Airlines to get the fastest option. There are 465 mi between Portland, Maine and Niagara Falls.

  • 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, April is the cheapest month in which you can book a flight from Portland, Maine to Niagara Falls (average of $131). Flying from Portland, Maine to Niagara Falls in August is currently the most expensive (average of $232). 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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