$104+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Mar 6 — Mar 131
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
Best
Last-minute
One-way
Cheapest flights from Portland to Niagara FallsExplore 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 February 4, 2026.
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 February 4, 2026.
This Flightnetwork deal was found by Cheapflights users on 2/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:50 am
PDX
- YYZ
2 stops10h 06m
Air Canada
Tue 3/177:40 am
YYZ
- PDX
2 stops10h 00m
Air Canada
Deal found 2/2![Air Canada logo]()
$270
This Vliegwinkel deal was found by Cheapflights users on 2/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
PDX
- YYZ
1 stop6h 35m
Multiple Airlines
Tue 3/178:00 am
YYZ
- PDX
1 stop9h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$271
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:05 pm
PDX
- YYZ
1 stop7h 54m
Air Canada
Sat 3/78:00 am
YYZ
- PDX
2 stops9h 40m
Air Canada
Deal found 2/3![Air Canada logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:36 pm
PDX
- YYZ
1 stop22h 59m
Alaska Airlines
Mon 3/94:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Wed 3/44:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$286
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Sat 3/74:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
PDX
- YYZ
1 stop6h 35m
Multiple Airlines
Wed 3/111:30 pm
YYZ
- PDX
2 stops22h 28m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Mon 3/24:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$304
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Wed 2/254:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:18 pm
PDX
- YYZ
2 stops18h 18m
Multiple Airlines
Sun 3/87:55 pm
YYZ
- PDX
1 stop16h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$314
Best flights from Portland to Niagara FallsDiscover carefully curated flight deals from Portland to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Portland to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Wed 3/44:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 2/2711:59 pm
PDX
- YYZ
1 stop11h 02m
United Airlines
Sat 2/284:10 pm
YYZ
- PDX
1 stop8h 05m
United Airlines
Deal found 2/3![United Airlines logo]()
$320
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Wed 6/173:25 pm
PDX
- YYZ
1 stop7h 13m
Air Canada
Sat 6/208:00 am
YYZ
- PDX
2 stops9h 51m
Air Canada
Deal found 2/3![Air Canada logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Multiple Airlines
Sun 3/18:00 pm
YYZ
- PDX
2 stops28h 23m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:53 pm
PDX
- YYZ
1 stop6h 18m
Delta
Sun 3/812:25 pm
YYZ
- PDX
1 stop12h 43m
Delta
Deal found 2/2![Delta logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Wed 3/114:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$304
This Orbitz deal was found by Cheapflights users on 2/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Thu 3/194:45 pm
YYZ
- PDX
1 stop7h 53m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Mon 3/24:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Tue 3/34:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Sat 3/74:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Mon 2/234:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$324
Last-minute flights from Portland to Niagara FallsDiscover last-minute flight deals from Portland to Niagara Falls. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Niagara Falls. Data last updated February 4, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Wed 2/254:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:19 pm
PDX
- YYZ
1 stop15h 16m
Alaska Airlines
Mon 3/24:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Wed 3/44:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:18 pm
PDX
- YYZ
2 stops18h 18m
Multiple Airlines
Sun 3/87:55 pm
YYZ
- PDX
1 stop16h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:36 pm
PDX
- YYZ
1 stop22h 59m
Alaska Airlines
Mon 3/94:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
PDX
- YYZ
1 stop6h 35m
Multiple Airlines
Wed 3/111:30 pm
YYZ
- PDX
2 stops22h 28m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$303
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:05 pm
PDX
- YYZ
1 stop7h 54m
Air Canada
Sat 3/78:00 am
YYZ
- PDX
2 stops9h 40m
Air Canada
Deal found 2/3![Air Canada logo]()
$281
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Sat 3/74:45 pm
YYZ
- PDX
1 stop8h 56m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$295
This Flightnetwork deal was found by Cheapflights users on 2/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:50 am
PDX
- YYZ
2 stops10h 06m
Air Canada
Tue 3/177:40 am
YYZ
- PDX
2 stops10h 00m
Air Canada
Deal found 2/2![Air Canada logo]()
$270
This Vliegwinkel deal was found by Cheapflights users on 2/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:00 am
PDX
- YYZ
1 stop6h 35m
Multiple Airlines
Tue 3/178:00 am
YYZ
- PDX
1 stop9h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$271
One-way flights from Portland to Niagara FallsSearch for one-way flight options from Portland to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Portland to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PDX
- YYZ
1 stop6h 35m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$104
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:52 pm
PDX
- YYZ
1 stop20h 43m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$110
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:36 pm
PDX
- YYZ
1 stop22h 59m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$128
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Wed 2/189:50 am
PDX
- YYZ
1 stop8h 09m
Air Canada
Deal found 2/3![Air Canada logo]()
$138
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:38 pm
PDX
- YYZ
1 stop10h 10m
United Airlines
Deal found 2/2![United Airlines logo]()
$142
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:53 pm
PDX
- YYZ
1 stop6h 18m
Delta
Deal found 2/3![Delta logo]()
$143
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Wed 3/253:15 pm
PDX
- YYZ
2 stops12h 48m
Air Canada
Deal found 2/3![Air Canada logo]()
$144
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/311:35 pm
PDX
- YYZ
2 stops10h 25m
American Airlines
Deal found 2/3![American Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/186:57 pm
PDX
- YYZ
2 stops11h 39m
United Airlines
Deal found 2/3![United Airlines logo]()
$148
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Mon 6/297:45 pm
PDX
- YYZ
1 stop7h 50m
Air Canada
Deal found 2/3![Air Canada logo]()
$165
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:10 am
PDX
- YYZ
1 stop7h 35m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$170
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Flightnetwork) |
One-way from | $104 (Alaska Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $473 |
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 February 4, 2026.
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
Sat 2/28
6:00 am-3:35 pm
1 stop6h 35m
Toronto Pearson Intl
Wed 3/4
4:45 pm-10:41 pm
1 stop8h 56m
$286
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Thu 3/5
6:00 am-3:35 pm
1 stop6h 35m
Toronto Pearson Intl
Wed 3/11
4:45 pm-10:41 pm
1 stop8h 56m
$304
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sun 3/15
6:00 am-3:35 pm
1 stop6h 35m
Toronto Pearson Intl
Thu 3/19
4:45 pm-9:38 pm
1 stop7h 53m
$304
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 2/27
9:19 pm-3:35 pm
1 stop15h 16m
Toronto Pearson Intl
Mon 3/2
4:45 pm-10:41 pm
1 stop8h 56m
$304
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 2/27
9:19 pm-3:35 pm
1 stop15h 16m
Toronto Pearson Intl
Tue 3/3
4:45 pm-10:41 pm
1 stop8h 56m
$304
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 2/28
6:00 am-3:35 pm
1 stop6h 35m
Toronto Pearson Intl
Sat 3/7
4:45 pm-10:41 pm
1 stop8h 56m
$304
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 2/27
11:59 pm-2:01 pm
1 stop11h 02m
Toronto Pearson Intl
Sat 2/28
4:10 pm-9:15 pm
1 stop8h 05m
$320
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Thu 2/19
9:19 pm-3:35 pm
1 stop15h 16m
Toronto Pearson Intl
Mon 2/23
4:45 pm-10:41 pm
1 stop8h 56m
$324
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Wed 6/17
3:25 pm-1:38 am
1 stop7h 13m
Toronto Pearson Intl
Sat 6/20
8:00 am-2:51 pm
2 stops9h 51m
$335
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 2/28
6:00 am-3:35 pm
1 stop6h 35m
Toronto Pearson Intl
Sun 3/1
8:00 pm-9:23 pm
2 stops28h 23m
$344
Showing 1-10 of 21 results
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.
PDX-YYZ
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
PDX-NI4
PDX-YYZ
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 January 30, 2026.
Booking 64 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, July is the cheapest month in which you can book a flight from Portland to Niagara Falls (average of $144). Flying from Portland to Niagara Falls in February is currently the most expensive (average of $343). 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.
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 February 4, 2026.
See what other customers who have flown with Delta, United Airlines, and American 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.
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Top destinations
Alternative routes for Portland to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Niagara Falls by cabin class
Find flights from Portland to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Niagara Falls flights
Browse other Portland and Niagara Falls flight options. Last updated on February 4, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Niagara Falls flights
Consider these flights traveling from Portland to Niagara Falls.
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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$547 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$151 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$288 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$321 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$557 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$368 | Average$584 | FlexibilityNo cancel fee | On-time75% |