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Niagara Falls

$229+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 2026.

This Flysmarter deal was found by Cheapflights users on 6/6. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
PWM
-
YYZ
1 stop7h 42m
Air Canada
Sat 7/48:55 pm
YYZ
-
PWM
1 stop12h 16m
Air Canada
Deal found 6/6$481
This Kissandfly.com deal was found by Cheapflights users on 6/6. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
PWM
-
YYZ
1 stop12h 28m
Lufthansa
Sat 7/411:00 am
YYZ
-
PWM
1 stop10h 41m
Lufthansa
Deal found 6/6$484
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Tue 7/218:00 am
PWM
-
YYZ
2 stops32h 55m
Multiple Airlines
Tue 7/289:50 am
YYZ
-
PWM
1 stop24h 37m
Multiple Airlines
Deal found 6/6$507
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 6/2712:15 pm
PWM
-
YYZ
1 stop6h 00m
Delta
Sat 7/42:32 pm
YYZ
-
PWM
1 stop7h 03m
Delta
Deal found 6/6$519

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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(Flysmarter)

One-way from

$229
(Air Canada)
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
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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 June 8, 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

Sat 6/27

5:00 pm-11:59 pm

1 stop6h 59m

Toronto Pearson Intl

Sat 7/4

8:45 am-2:31 pm

1 stop5h 46m

$523

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 6/27

12:15 pm-6:15 pm

1 stop6h 00m

Toronto Pearson Intl

Sat 7/4

2:32 pm-9:35 pm

1 stop7h 03m

$539

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 6/24

6:54 pm-11:45 pm

1 stop4h 51m

Toronto Pearson Intl

Fri 6/26

6:15 am-9:46 pm

1 stop15h 31m

$561

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 7/3

5:41 pm-11:43 pm

1 stop6h 02m

Toronto Pearson Intl

Thu 7/9

6:29 pm-12:59 am

1 stop6h 30m

$582

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 11/4

6:00 am-1:43 pm

1 stop7h 43m

Toronto Pearson Intl

Sun 11/8

9:30 am-1:38 pm

1 stop4h 08m

$604

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 7/27

7:00 am-2:05 pm

2 stops31h 05m

Toronto Pearson Intl

Fri 7/31

4:50 pm-10:27 am

1 stop17h 37m

$622
Quickest round-trip

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 7/13

7:16 pm-11:54 pm

1 stop4h 38m

Toronto Pearson Intl

Thu 7/16

7:30 am-1:25 pm

1 stop5h 55m

$626

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 8/21

6:00 am-11:49 am

1 stop5h 49m

Toronto Pearson Intl

Mon 8/24

2:30 pm-7:24 pm

1 stop4h 54m

$626

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 6/27

5:15 am-3:08 pm

2 stops9h 53m

Toronto Pearson Intl

Sat 7/4

7:30 pm-9:11 am

1 stop13h 41m

$631
Cheapest one-way

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 7/4

5:00 pm-11:59 pm

1 stop6h 59m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

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 6h. Fly via United Airlines or Delta 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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