HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$90+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 21, 2025.

This Delta deal was found by Cheapflights users on 12/20. 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.
Thu 12/2512:00 pmPDX - YYZ
1 stop7h 50mDelta
Wed 1/76:30 amYYZ - PDX
1 stop9h 16mDelta
Deal found 12/20$395
This Air Canada deal was found by Cheapflights users on 12/20. 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 12/267:00 pmPDX - YYZ
1 stop8h 47mAir Canada
Wed 1/78:20 pmYYZ - PDX
1 stop15h 55mAir Canada
Deal found 12/20$399
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/259:00 amPDX - YYZ
2 stops11h 59mUnited Airlines
Tue 1/612:45 pmYYZ - PDX
1 stop12h 04mUnited Airlines
Deal found 12/20$405
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/259:00 amPDX - YYZ
2 stops11h 46mUnited Airlines
Wed 1/76:50 amYYZ - PDX
2 stops9h 55mUnited Airlines
Deal found 12/20$410
This Air Canada deal was found by Cheapflights users on 12/19. 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.
Mon 12/297:00 pmPDX - YYZ
1 stop15h 05mAir Canada
Mon 1/510:35 pmYYZ - PDX
1 stop13h 40mAir Canada
Deal found 12/19$418
This Air Canada deal was found by Cheapflights users on 12/20. 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.
Sat 12/277:00 pmPDX - YYZ
1 stop14h 54mAir Canada
Wed 1/79:50 pmYYZ - PDX
2 stops14h 25mAir Canada
Deal found 12/20$431
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Fri 12/265:00 amPDX - YYZ
1 stop7h 02mUnited Airlines
Tue 1/612:45 pmYYZ - PDX
1 stop12h 04mUnited Airlines
Deal found 12/20$461
This Air Canada deal was found by Cheapflights users on 12/20. 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 12/287:00 pmPDX - YYZ
1 stop8h 47mAir Canada
Tue 1/66:50 amYYZ - PDX
1 stop8h 07mAir Canada
Deal found 12/20$466
This Delta deal was found by Cheapflights users on 12/20. 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.
Thu 12/2512:00 pmPDX - YYZ
1 stop7h 50mDelta
Fri 1/212:14 pmYYZ - PDX
1 stop13h 05mDelta
Deal found 12/20$479
This Air Canada deal was found by Cheapflights users on 12/20. 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 12/287:00 pmPDX - YYZ
1 stop8h 47mAir Canada
Mon 1/58:20 pmYYZ - PDX
1 stop15h 55mAir Canada
Deal found 12/20$492

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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$222
(Kiwi.com)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$540
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. 6% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 21, 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

Mon 1/19

6:19 pm-6:47 am

1 stop9h 28m

Toronto Pearson Intl

Tue 1/27

10:00 am-8:47 pm

2 stops13h 47m

$316

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Wed 1/21

9:30 pm-3:35 pm

1 stop15h 05m

Toronto Pearson Intl

Thu 1/29

8:00 pm-9:49 am

1 stop16h 49m

$320

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 1/20

7:00 pm-6:19 am

1 stop8h 19m

Toronto Pearson Intl

Fri 1/30

9:00 am-2:40 pm

1 stop8h 40m

$337

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 5/29

11:00 am-10:44 pm

1 stop8h 44m

Toronto Pearson Intl

Wed 6/3

3:50 pm-10:44 pm

1 stop9h 54m

$337

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 2/19

7:05 pm-6:29 am

1 stop8h 24m

Toronto Pearson Intl

Tue 2/24

8:00 am-2:40 pm

1 stop9h 40m

$337

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 2/20

7:05 pm-6:29 am

1 stop8h 24m

Toronto Pearson Intl

Wed 3/18

8:00 am-2:40 pm

1 stop9h 40m

$337

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 3/7

7:05 pm-5:59 am

1 stop7h 54m

Toronto Pearson Intl

Sat 4/4

8:00 am-2:40 pm

1 stop9h 40m

$337

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 1/12

7:51 pm-1:43 pm

2 stops14h 52m

Toronto Pearson Intl

Tue 1/13

5:30 pm-12:33 pm

2 stops22h 03m

$338

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 1/23

1:38 pm-3:35 pm

1 stop22h 57m

Toronto Pearson Intl

Sat 1/31

4:45 pm-9:29 am

1 stop19h 44m

$339

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 5/28

10:59 pm-11:45 am

1 stop9h 46m

Toronto Pearson Intl

Mon 6/1

6:30 am-6:41 pm

1 stop15h 11m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 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 December 19, 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 $377). 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 December 21, 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 December 21, 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
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,492 reviews
Alaska Airlines
8.0
Very good
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,021 reviews
Alaska Airlines
8.0
Very good
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,099 reviews
Alaska Airlines
8.0
Very good
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Air Canada
7.1
Good
10,549 reviews
Alaska Airlines
8.0
Very good
11,492 reviews

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 8h 19m. Air Canada provides one of the quickest options available for as low as $337. The distance from Portland to Niagara Falls is about 2090 mi.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $90. Users have also found prices from $105 and $138 on WestJet and United Airlines, respectively.

  • 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 $377). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$425FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$211Average$342FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$270Average$599FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$278Average$465FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$321Average$557FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$321Average$450FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.