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Niagara Falls

$138+ Cheap flights from Portland (PDX) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/186:00 amPDX - YYZ
1 stop7h 52mUnited Airlines
Tue 11/187:40 pmYYZ - PDX
2 stops19h 33mUnited Airlines
Deal found 11/3$322
This Air Canada deal was found by Cheapflights users on 11/2. 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 12/53:15 pmPDX - YYZ
2 stops11h 53mAir Canada
Sun 12/78:00 amYYZ - PDX
2 stops9h 40mAir Canada
Deal found 11/2$326
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Tue 11/187:00 pmPDX - YYZ
1 stop8h 29mAir Canada
Tue 11/258:00 amYYZ - PDX
2 stops13h 30mAir Canada
Deal found 11/3$334
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Wed 11/269:50 amPDX - YYZ
2 stops11h 23mAir Canada
Wed 12/312:00 pmYYZ - PDX
2 stops9h 30mAir Canada
Deal found 11/2$336
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/187:00 amPDX - YYZ
1 stop12h 37mUnited Airlines
Tue 11/253:45 pmYYZ - PDX
1 stop10h 00mUnited Airlines
Deal found 11/3$341
This Air Canada deal was found by Cheapflights users on 11/3. 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 11/283:15 pmPDX - YYZ
2 stops11h 53mAir Canada
Sat 12/68:00 amYYZ - PDX
2 stops9h 40mAir Canada
Deal found 11/3$345
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/211:19 pmPDX - YYZ
1 stop9h 29mUnited Airlines
Tue 12/96:10 amYYZ - PDX
2 stops15h 31mUnited Airlines
Deal found 11/3$346
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/112:59 amPDX - YYZ
1 stop18h 45mAmerican Airlines
Tue 12/96:00 amYYZ - PDX
1 stop17h 17mAmerican Airlines
Deal found 11/3$349
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 11/193:54 pmPDX - YYZ
1 stop12h 36mUnited Airlines
Wed 11/263:30 pmYYZ - PDX
2 stops11h 56mUnited Airlines
Deal found 11/3$350
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Sun 11/167:00 pmPDX - YYZ
1 stop15h 05mAir Canada
Sun 11/238:00 amYYZ - PDX
2 stops13h 30mAir Canada
Deal found 11/2$353
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Wed 12/313:15 pmPDX - YYZ
2 stops11h 23mAir Canada
Wed 1/78:15 amYYZ - PDX
2 stops9h 25mAir Canada
Deal found 11/2$354

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$322
(United Airlines)

One-way from

$138
(Air Canada)

Popular in

December

Cheapest in

January

Average price

$452
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
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 3, 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

PDX - YYZ

PDXYYZ

Portland

Wed 11/19

8:20 am-6:57 pm

1 stop7h 37m

Toronto Pearson Intl

Tue 11/25

3:45 pm-10:45 pm

1 stop10h 00m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 11/18

1:53 pm-11:21 pm

1 stop6h 28m

Toronto Pearson Intl

Wed 11/26

6:30 am-11:14 am

1 stop7h 44m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 12/1

7:10 pm-3:02 pm

1 stop16h 52m

Toronto Pearson Intl

Mon 12/8

2:57 pm-9:45 pm

1 stop9h 48m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 11/19

12:19 pm-11:21 pm

1 stop8h 02m

Toronto Pearson Intl

Wed 11/26

6:30 am-11:14 am

1 stop7h 44m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 11/28

6:00 am-4:02 pm

1 stop7h 02m

Toronto Pearson Intl

Sat 12/6

6:30 am-12:54 pm

1 stop9h 24m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 11/18

8:20 am-11:46 pm

1 stop12h 26m

Toronto Pearson Intl

Thu 11/27

11:00 am-4:05 pm

1 stop8h 05m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 11/18

7:00 am-10:37 pm

1 stop12h 37m

Toronto Pearson Intl

Tue 11/25

3:45 pm-10:45 pm

1 stop10h 00m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 12/4

11:20 pm-8:53 am

1 stop6h 33m

Toronto Pearson Intl

Sun 12/7

6:05 pm-10:10 pm

1 stop7h 05m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 11/28

6:00 am-4:02 pm

1 stop7h 02m

Toronto Pearson Intl

Fri 12/5

12:23 pm-10:19 pm

1 stop12h 56m

$341

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 12/11

11:59 pm-9:58 am

1 stop6h 59m

Toronto Pearson Intl

Mon 12/15

4:10 pm-9:15 pm

1 stop8h 05m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 20 results
1
2

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

How far ahead should I book a flight from Portland to Niagara Falls?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Niagara Falls. Price data was last updated on October 31, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Niagara Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, December is the cheapest month in which you can book a flight from Portland to Niagara Falls (average of $90). Flying from Portland to Niagara Falls in February is currently the most expensive (average of $381). 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 PDX 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 November 3, 2025.

It’s typically best to fly out from Portland to Niagara Falls in the afternoon. Doing so could potentially save you 61% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Portland to Niagara Falls?

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 November 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Portland to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,237 reviews
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,038 reviews
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Air Canada
7.1
Good
10,400 reviews
Alaska Airlines
8.0
Very good
11,237 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a 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?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Niagara Falls. You should not have trouble finding flights to Niagara Falls from Portland; the airport handles an average of 0 outbound flights to Niagara Falls per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Portland airport to Niagara Falls. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

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

    A quick flight from Portland to Niagara Falls can take about 6h 28m. United Airlines provides one of the quickest options available for as low as $341. The distance from Portland to Niagara Falls is about 2090 mi. This flight may include one or multiple 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.

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

    Currently, December is the cheapest month in which you can book a flight from Portland to Niagara Falls (average of $90). Flying from Portland to Niagara Falls in February is currently the most expensive (average of $381). 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 6 airlines flying from Portland to Niagara Falls

Discover the top 6 airlines 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$427FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$214Average$437FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$276Average$600FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$313Average$452FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$321Average$552FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$321Average$450FlexibilityNo cancel feeOn-time69%

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