$117+ Cheap flights from Oregon to Ontario
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Oregon to Ontario 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
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Cheapest flights from Oregon to OntarioExplore the most affordable flight options available from Oregon to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Oregon to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/292:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Sat 9/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 8/1![WestJet logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/52:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Fri 9/119:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 7/31![WestJet logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/22:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sun 9/69:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 7/31![WestJet logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/272:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sat 8/298:00 am
YYZ
- PDX
1 stop8h 50m
WestJet
Deal found 8/1![WestJet logo]()
$271
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:30 pm
PDX
- YYZ
1 stop7h 35m
Multiple Airlines
Sat 9/57:30 am
YYZ
- PDX
1 stop10h 21m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/22:30 pm
PDX
- YUL
1 stop13h 35m
WestJet
Sat 9/57:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 8/2![WestJet logo]()
$316
This Flightnetwork deal was found by Cheapflights users on 7/31. 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.
Sat 9/53:30 pm
PDX
- YUL
2 stops12h 40m
Air Canada
Fri 9/116:00 pm
YUL
- PDX
1 stop18h 31m
Air Canada
Deal found 7/31![Air Canada logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/52:30 pm
PDX
- YUL
1 stop23h 00m
WestJet
Fri 9/117:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 8/1![WestJet logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Wed 9/22:30 pm
PDX
- YUL
1 stop13h 35m
WestJet
Sun 9/66:45 am
YUL
- PDX
2 stops10h 05m
WestJet
Deal found 8/2![WestJet logo]()
$336
This Air Canada deal was found by Cheapflights users on 7/30. 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 10/3110:00 am
PDX
- YUL
1 stop7h 43m
Air Canada
Tue 11/37:30 am
YUL
- PDX
1 stop10h 11m
Air Canada
Deal found 7/30![Air Canada logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Thu 8/272:30 pm
PDX
- YUL
1 stop30h 15m
WestJet
Mon 8/318:00 pm
YUL
- PDX
1 stop20h 50m
WestJet
Deal found 8/2![WestJet logo]()
$347
This oojo deal was found by Cheapflights users on 8/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:30 pm
PDX
- YUL
2 stops23h 15m
WestJet
Wed 9/27:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 8/1![WestJet logo]()
$348
Best flights from Oregon to OntarioDiscover carefully curated flight deals from Oregon to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Oregon to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/18:25 am
PDX
- YYZ
1 stop12h 29m
United Airlines
Sat 9/56:30 am
YYZ
- PDX
1 stop19h 15m
United Airlines
Deal found 8/1![United Airlines logo]()
$347
This United deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:00 am
PDX
- YYZ
1 stop13h 32m
Multiple Airlines
Tue 9/18:30 am
YYZ
- PDX
1 stop9h 21m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/1. 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 10/306:00 am
PDX
- YYZ
1 stop9h 29m
Delta
Sun 11/155:19 pm
YYZ
- PDX
1 stop9h 40m
Delta
Deal found 8/1![Delta logo]()
$371
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:45 pm
PDX
- YTZ
2 stops12h 10m
Air Canada
Sat 9/198:20 am
YTZ
- PDX
2 stops10h 36m
Air Canada
Deal found 7/29![Air Canada logo]()
$371
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 9/2011:08 pm
PDX
- YUL
1 stop9h 36m
American Airlines
Sat 9/267:50 am
YUL
- PDX
1 stop18h 38m
American Airlines
Deal found 7/28![American Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 11/1010:49 am
BOI
- YYZ
1 stop27h 16m
Alaska Airlines
Mon 11/165:15 pm
YYZ
- BOI
1 stop8h 36m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$440
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:59 pm
BOI
- YUL
2 stops11h 06m
WestJet
Wed 9/95:30 pm
YUL
- BOI
2 stops23h 46m
WestJet
Deal found 7/31![WestJet logo]()
$558
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/125:00 am
PDX
- YYZ
1 stop7h 14m
United Airlines
Sat 9/1910:45 am
YYZ
- PDX
1 stop7h 20m
United Airlines
Deal found 7/29![United Airlines logo]()
$347
This United deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:33 pm
PDX
- YYZ
1 stop10h 10m
Multiple Airlines
Fri 10/27:55 am
YYZ
- PDX
2 stops9h 56m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 8/1. 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 11/210:15 pm
PDX
- YYZ
1 stop10h 10m
Delta
Sun 11/155:19 pm
YYZ
- PDX
1 stop9h 40m
Delta
Deal found 8/1![Delta logo]()
$371
This Air Canada deal was found by Cheapflights users on 8/2. 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.
Thu 9/243:30 pm
PDX
- YYZ
2 stops11h 11m
Air Canada
Sat 9/267:45 am
YYZ
- PDX
2 stops14h 26m
Air Canada
Deal found 8/2![Air Canada logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/158:05 am
BOI
- YYZ
2 stops12h 54m
American Airlines
Tue 9/296:46 am
YYZ
- BOI
1 stop17h 41m
American Airlines
Deal found 7/29![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Thu 9/2411:30 pm
PDX
- YYZ
1 stop15h 26m
United Airlines
Sat 9/267:00 am
YYZ
- PDX
1 stop14h 53m
United Airlines
Deal found 8/2![United Airlines logo]()
$359
This United deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:30 am
PDX
- YYZ
1 stop12h 22m
Multiple Airlines
Thu 11/128:00 am
YYZ
- PDX
2 stops9h 41m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 8/1. 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.
Sun 8/306:00 am
PDX
- YYZ
1 stop9h 34m
Delta
Thu 9/172:24 pm
YYZ
- PDX
1 stop10h 35m
Delta
Deal found 8/1![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/18:25 am
PDX
- YYZ
1 stop12h 29m
United Airlines
Mon 9/219:00 pm
YYZ
- PDX
1 stop15h 29m
United Airlines
Deal found 8/1![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 7/29. 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 9/157:00 am
PDX
- YUL
2 stops13h 27m
Delta
Tue 9/226:00 am
YUL
- PDX
2 stops13h 05m
Delta
Deal found 7/29![Delta logo]()
$380
This American Airlines deal was found by Cheapflights users on 7/28. 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 11/101:27 pm
BOI
- YYZ
1 stop19h 29m
American Airlines
Mon 11/162:01 pm
YYZ
- BOI
1 stop10h 41m
American Airlines
Deal found 7/28![American Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/1611:02 pm
PDX
- YUL
1 stop8h 38m
United Airlines
Tue 9/296:10 am
YUL
- PDX
1 stop8h 23m
United Airlines
Deal found 7/31![United Airlines logo]()
$359
This Air Canada deal was found by Cheapflights users on 8/2. 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.
Thu 10/2211:30 pm
PDX
- YTZ
2 stops19h 00m
Air Canada
Sat 10/2412:15 pm
YTZ
- PDX
1 stop13h 08m
Air Canada
Deal found 8/2![Air Canada logo]()
$445
This Delta deal was found by Cheapflights users on 7/29. 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 8/2811:10 pm
BOI
- YYZ
1 stop11h 13m
Delta
Fri 9/411:40 am
YYZ
- BOI
1 stop12h 17m
Delta
Deal found 7/29![Delta logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/111:32 pm
RDM
- YYZ
1 stop23h 33m
Alaska Airlines
Sun 11/155:15 pm
YYZ
- RDM
1 stop9h 34m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 8/257:15 pm
PDX
- YUL
2 stops12h 25m
United Airlines
Sat 8/294:55 pm
YUL
- PDX
1 stop8h 57m
United Airlines
Deal found 8/2![United Airlines logo]()
$369
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:59 pm
BOI
- YUL
2 stops11h 06m
WestJet
Mon 9/77:15 am
YUL
- BOI
2 stops41h 19m
WestJet
Deal found 8/2![WestJet logo]()
$558
This Delta deal was found by Cheapflights users on 7/29. 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 8/256:00 am
PDX
- YUL
2 stops14h 52m
Delta
Thu 9/39:30 am
YUL
- PDX
2 stops15h 39m
Delta
Deal found 7/29![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/263:19 pm
BOI
- YUL
1 stop18h 24m
American Airlines
Wed 9/23:45 pm
YUL
- BOI
1 stop21h 31m
American Airlines
Deal found 7/29![American Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 9/208:25 am
PDX
- YUL
1 stop8h 20m
United Airlines
Sat 9/269:45 am
YUL
- PDX
1 stop15h 38m
United Airlines
Deal found 8/1![United Airlines logo]()
$377
This Mytrip deal was found by Cheapflights users on 8/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:03 pm
PDX
- YOW
2 stops21h 56m
Air Canada
Sat 9/56:00 am
YOW
- PDX
2 stops11h 51m
Air Canada
Deal found 8/2![Air Canada logo]()
$505
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Wed 9/911:02 pm
PDX
- YUL
1 stop8h 38m
United Airlines
Sun 9/139:15 am
YUL
- PDX
1 stop13h 55m
United Airlines
Deal found 8/2![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/1. 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 10/95:30 am
BOI
- YYZ
1 stop10h 59m
Delta
Sat 10/176:30 am
YYZ
- BOI
1 stop8h 05m
Delta
Deal found 8/1![Delta logo]()
$440
Last-minute flights from Oregon to OntarioDiscover last-minute flight deals from Oregon to Ontario. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Ontario. Data last updated August 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/1412:12 pm
BOI
- YYZ
1 stop8h 42m
American Airlines
Fri 8/216:46 am
YYZ
- BOI
1 stop17h 25m
American Airlines
Deal found 7/29![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/147:05 pm
BOI
- YYZ
1 stop9h 55m
United Airlines
Fri 8/2110:15 am
YYZ
- BOI
2 stops13h 22m
United Airlines
Deal found 7/29![United Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/143:19 pm
BOI
- YYZ
1 stop19h 14m
American Airlines
Mon 8/176:28 pm
YYZ
- BOI
1 stop18h 48m
American Airlines
Deal found 7/31![American Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 8/2. 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.
Sun 8/1611:10 pm
BOI
- YYZ
1 stop11h 13m
Delta
Wed 8/196:00 am
YYZ
- BOI
1 stop8h 49m
Delta
Deal found 8/2![Delta logo]()
$440
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 pm
PDX
- YYZ
2 stops9h 40m
Air Canada
Tue 9/17:30 am
YYZ
- PDX
1 stop10h 21m
Air Canada
Deal found 7/31![Air Canada logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/272:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Tue 9/19:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 8/1![WestJet logo]()
$271
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/287:05 pm
BOI
- YYZ
1 stop9h 55m
United Airlines
Fri 9/47:00 am
YYZ
- BOI
1 stop6h 28m
United Airlines
Deal found 7/29![United Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/292:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Sat 9/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 8/1![WestJet logo]()
$262
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:30 pm
PDX
- YYZ
1 stop7h 35m
Multiple Airlines
Sat 9/57:30 am
YYZ
- PDX
1 stop10h 21m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/2911:02 pm
PDX
- YTZ
1 stop8h 16m
United Airlines
Wed 9/912:15 pm
YTZ
- PDX
1 stop10h 03m
United Airlines
Deal found 8/1![United Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 8/3011:02 pm
PDX
- YTZ
1 stop8h 16m
United Airlines
Wed 9/912:15 pm
YTZ
- PDX
1 stop10h 03m
United Airlines
Deal found 8/1![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sun 8/3011:02 pm
PDX
- YTZ
1 stop8h 16m
United Airlines
Sun 9/67:45 pm
YTZ
- PDX
1 stop16h 44m
United Airlines
Deal found 8/1![United Airlines logo]()
$448
One-way flights from Oregon to OntarioSearch for one-way flight options from Oregon to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Oregon to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/22:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Deal found 7/30![WestJet logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/72:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 7/31![WestJet logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sun 9/132:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Deal found 8/2![WestJet logo]()
$122
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 8/2![WestJet logo]()
$124
This Air Canada deal was found by Cheapflights users on 7/31. 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 10/63:30 pm
PDX
- YYZ
2 stops12h 16m
Air Canada
Deal found 7/31![Air Canada logo]()
$141
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/2612:50 pm
PDX
- YYZ
1 stop7h 56m
American Airlines
Deal found 7/29![American Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 7/31. 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 9/16:00 am
PDX
- YYZ
1 stop9h 34m
Delta
Deal found 7/31![Delta logo]()
$145
This Air Canada deal was found by Cheapflights users on 7/31. 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 9/510:10 am
PDX
- YUL
1 stop7h 44m
Air Canada
Deal found 7/31![Air Canada logo]()
$146
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/811:02 pm
PDX
- YUL
1 stop15h 28m
United Airlines
Deal found 7/31![United Airlines logo]()
$150
This Air Canada deal was found by Cheapflights users on 7/31. 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 9/83:30 pm
PDX
- YUL
2 stops12h 40m
Air Canada
Deal found 7/31![Air Canada logo]()
$151
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:34 pm
PDX
- YUL
2 stops9h 53m
American Airlines
Deal found 8/2![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/167:25 am
PDX
- YUL
1 stop11h 17m
American Airlines
Deal found 7/29![American Airlines logo]()
$157
Find flight deals from Oregon to Ontario
Keep the following information in mind while searching for Oregon to Ontario flight deals. Data was last updated August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Kiwi.com) |
One-way from | $117 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $324 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon to Ontario 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 August 2, 2026.
Use the filters below to find and compare flights from Oregon to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Tue 9/1
8:25 am-11:54 pm
1 stop12h 29m
Toronto Pearson Intl
Sat 9/5
6:30 am-10:45 pm
1 stop19h 15m
$347
Quickest round-trip
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 9/12
5:00 am-3:14 pm
1 stop7h 14m
Toronto Pearson Intl
Sat 9/19
10:45 am-3:05 pm
1 stop7h 20m
$347
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Mon 8/24
5:00 am-9:32 pm
1 stop13h 32m
Toronto Pearson Intl
Tue 9/1
8:30 am-2:51 pm
1 stop9h 21m
$356
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Thu 9/24
11:30 pm-5:56 pm
1 stop15h 26m
Toronto Pearson Intl
Sat 9/26
7:00 am-6:53 pm
1 stop14h 53m
$359
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Tue 9/1
8:25 am-11:54 pm
1 stop12h 29m
Toronto Pearson Intl
Mon 9/21
9:00 pm-9:29 am
1 stop15h 29m
$359
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Wed 9/16
11:02 pm-10:40 am
1 stop8h 38m
Montreal Pierre Elliott Trudeau Intl
Tue 9/29
6:10 am-11:33 am
1 stop8h 23m
$359
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 9/25
10:33 pm-11:43 am
1 stop10h 10m
Toronto Pearson Intl
Fri 10/2
7:55 am-2:51 pm
2 stops9h 56m
$366
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Mon 11/2
8:30 am-11:52 pm
1 stop12h 22m
Toronto Pearson Intl
Thu 11/12
8:00 am-2:41 pm
2 stops9h 41m
$366
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Tue 8/25
7:15 pm-10:40 am
2 stops12h 25m
Montreal Pierre Elliott Trudeau Intl
Sat 8/29
4:55 pm-10:52 pm
1 stop8h 57m
$369
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 10/30
6:00 am-6:29 pm
1 stop9h 29m
Toronto Pearson Intl
Sun 11/15
5:19 pm-11:59 pm
1 stop9h 40m
$371
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Oregon with our price prediction graph.
PDX-YYZ
PDX-YUL
BOI-YYZ
BOI-YHM
PDX-YTZ
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 Oregon to Ontario
USOR-CAON
PDX-YYZ
PDX-YUL
BOI-YYZ
BOI-YHM
What is the cheapest month to book a flight from Oregon to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $369). Flying from Oregon to Region of Ontario in December is currently the most expensive (average of $613). 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 Oregon to Region of Ontario?
Airfare is below average for this route at the moment.
Oregon to Region of Ontario flights typically cost between $316 and $557 in August.The cheapest round-trip price found within the last 5 days was $262 on WestJet (Aug 29-Sep 5).
How far ahead should I book a flight from Oregon to Region of Ontario?
The price you pay for your flight from Oregon to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 2, 2026.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Delta,United Airlines, andWestJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Oregon to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Oregon to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Oregon to Ontario by cabin class
Find flights from Oregon to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Ontario flights
Browse other Oregon and Ontario flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ontario
Find the right flight back to Oregon after your stay in Ontario
Oregon to Ontario flights
Consider these flights traveling from Oregon to Ontario.
Top 6 airlines flying from Oregon to Ontario
Discover the top 6 airlines that operate flights from Oregon to Ontario. 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$290 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$142 | Average$622 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$142 | Average$422 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$625 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$545 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$351 | Average$498 | FlexibilityNo cancel fee | On-time71% |