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Niagara Falls

$224+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
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 May 18, 2026.

This American Airlines deal was found by Cheapflights users on 5/15. 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 10/281:05 pm
PWM
-
YYZ
1 stop9h 55m
American Airlines
Sat 10/317:29 am
YYZ
-
PWM
1 stop9h 18m
American Airlines
Deal found 5/15$458
This Delta deal was found by Cheapflights users on 5/17. 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.
Tue 10/273:00 pm
PWM
-
YYZ
1 stop8h 13m
Delta
Sun 11/16:00 am
YYZ
-
PWM
1 stop7h 53m
Delta
Deal found 5/17$468
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 6/181:36 pm
PWM
-
YYZ
1 stop9h 29m
American Airlines
Mon 6/227:25 pm
YYZ
-
PWM
1 stop13h 57m
American Airlines
Deal found 5/13$482
This Delta deal was found by Cheapflights users on 5/14. 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.
Wed 5/272:38 pm
PWM
-
YYZ
1 stop8h 38m
Delta
Tue 6/26:00 am
YYZ
-
PWM
1 stop7h 58m
Delta
Deal found 5/14$492
This Delta deal was found by Cheapflights users on 5/17. 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.
Mon 6/12:38 pm
PWM
-
YYZ
1 stop8h 38m
Delta
Tue 6/97:55 am
YYZ
-
PWM
1 stop8h 54m
Delta
Deal found 5/17$495
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/169:29 am
PWM
-
YYZ
1 stop13h 36m
American Airlines
Mon 6/227:25 pm
YYZ
-
PWM
1 stop13h 57m
American Airlines
Deal found 5/18$512
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Wed 10/289:48 am
PWM
-
YYZ
1 stop14h 22m
Multiple Airlines
Sat 10/3110:20 am
YYZ
-
PWM
1 stop24h 01m
Multiple Airlines
Deal found 5/14$515
This American Airlines deal was found by Cheapflights users on 5/14. 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 5/299:29 am
PWM
-
YYZ
1 stop13h 36m
American Airlines
Sun 5/317:25 pm
YYZ
-
PWM
1 stop13h 28m
American Airlines
Deal found 5/14$516
This WestJet deal was found by Cheapflights users on 5/17. 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.
Fri 6/124:45 pm
PWM
-
YYZ
1 stop24h 39m
WestJet
Sun 6/144:15 pm
YYZ
-
PWM
2 stops18h 07m
WestJet
Deal found 5/17$531
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/35:42 am
PWM
-
YYZ
1 stop11h 06m
American Airlines
Sun 6/76:02 pm
YYZ
-
PWM
1 stop16h 35m
American Airlines
Deal found 5/13$534
This American Airlines deal was found by Cheapflights users on 5/16. 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 8/412:01 pm
PWM
-
YYZ
1 stop11h 12m
American Airlines
Sun 8/97:27 pm
YYZ
-
PWM
1 stop13h 54m
American Airlines
Deal found 5/16$547
This American Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 8/76:46 pm
PWM
-
YYZ
1 stop5h 00m
American Airlines
Tue 8/117:27 pm
YYZ
-
PWM
1 stop13h 54m
American Airlines
Deal found 5/16$552

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(American Airlines)

One-way from

$224
(Kiwi.com)
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 May 18, 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

Tue 10/27

3:00 pm-11:13 pm

1 stop8h 13m

Toronto Pearson Intl

Sun 11/1

6:00 am-1:53 pm

1 stop7h 53m

$468

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 6/1

2:38 pm-11:16 pm

1 stop8h 38m

Toronto Pearson Intl

Tue 6/9

7:55 am-4:49 pm

1 stop8h 54m

$495

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 6/16

9:29 am-11:05 pm

1 stop13h 36m

Toronto Pearson Intl

Mon 6/22

7:25 pm-9:22 am

1 stop13h 57m

$512

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 6/8

1:36 pm-11:05 pm

1 stop9h 29m

Toronto Pearson Intl

Mon 6/15

7:25 pm-8:53 am

1 stop13h 28m

$512

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 10/28

9:48 am-12:10 am

1 stop14h 22m

Toronto Pearson Intl

Sat 10/31

10:20 am-10:21 am

1 stop24h 01m

$516

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/29

9:29 am-11:05 pm

1 stop13h 36m

Toronto Pearson Intl

Sun 5/31

7:25 pm-8:53 am

1 stop13h 28m

$516

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 8/4

12:01 pm-11:13 pm

1 stop11h 12m

Toronto Pearson Intl

Sun 8/9

7:27 pm-9:21 am

1 stop13h 54m

$547
Quickest round-trip

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 6/5

5:15 am-10:04 am

1 stop4h 49m

Toronto Pearson Intl

Tue 6/9

7:43 pm-11:51 pm

1 stop4h 08m

$579

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 6/3

5:51 pm-11:41 pm

1 stop5h 50m

Toronto Pearson Intl

Sun 6/7

5:05 pm-11:29 pm

1 stop6h 24m

$579
Cheapest one-way

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 10/28

5:09 pm-2:58 pm

2 stops21h 49m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 19 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 8h 13m. Fly via Delta or American Airlines to get the fastest option. There are 465 mi between Portland, Maine and Niagara Falls. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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