$87+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
May 28 — Jun 41
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
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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 April 28, 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 April 28, 2026.
This Trip.com deal was found by Cheapflights users on 4/24. 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.
Mon 8/32:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Thu 8/137:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 4/24![WestJet logo]()
$214
This Trip.com deal was found by Cheapflights users on 4/22. 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.
Tue 8/252:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Tue 9/18:00 am
YYZ
- PDX
1 stop8h 50m
WestJet
Deal found 4/22![WestJet logo]()
$222
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Tue 8/42:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 8/109:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/23![WestJet logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 8/102:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 8/129:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/23![WestJet logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 8/52:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Fri 8/79:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/26![WestJet logo]()
$229
This Trip.com deal was found by Cheapflights users on 4/24. 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 10/72:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sun 10/117:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 4/24![WestJet logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 7/12:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Tue 7/79:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/25![WestJet logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 8/122:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 8/199:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/23![WestJet logo]()
$239
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Wed 7/227:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 4/22![WestJet logo]()
$243
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Tue 8/119:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/26![WestJet logo]()
$247
This Trip.com deal was found by Cheapflights users on 4/26. 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 8/122:30 pm
PDX
- YUL
1 stop13h 35m
WestJet
Tue 8/187:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 4/26![WestJet logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 8/242:30 pm
PDX
- YUL
1 stop13h 35m
WestJet
Wed 9/27:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 4/25![WestJet logo]()
$296
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 April 28, 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 April 28, 2026.
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Wed 9/92:30 pm
PDX
- YYZ
2 stops11h 40m
Multiple Airlines
Thu 9/179:30 am
YYZ
- PDX
1 stop10h 26m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/26. 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 10/135:00 am
PDX
- YYZ
1 stop13h 32m
United Airlines
Fri 10/166:30 am
YYZ
- PDX
1 stop19h 32m
United Airlines
Deal found 4/26![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 4/26. 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 6/166:00 am
PDX
- YYZ
1 stop9h 34m
Delta
Sat 6/205:45 pm
YYZ
- PDX
1 stop7h 55m
Delta
Deal found 4/26![Delta logo]()
$361
This Air Canada deal was found by Cheapflights users on 4/27. 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 6/63:30 pm
PDX
- YYZ
2 stops12h 14m
Air Canada
Wed 6/107:45 am
YYZ
- PDX
2 stops14h 25m
Air Canada
Deal found 4/27![Air Canada logo]()
$377
This oojo deal was found by Cheapflights users on 4/27. 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.
Wed 7/292:30 pm
PDX
- YOW
2 stops30h 50m
WestJet
Sun 8/26:55 am
YOW
- PDX
2 stops33h 55m
WestJet
Deal found 4/27![WestJet logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 8/155:20 pm
BOI
- YUL
2 stops16h 15m
American Airlines
Mon 8/243:45 pm
YUL
- BOI
1 stop21h 42m
American Airlines
Deal found 4/24![American Airlines logo]()
$639
This United Airlines deal was found by Cheapflights users on 4/24. 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 9/295:00 am
PDX
- YYZ
1 stop7h 14m
United Airlines
Tue 10/62:30 pm
YYZ
- PDX
1 stop8h 43m
United Airlines
Deal found 4/24![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 4/26. 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 6/57:00 am
PDX
- YYZ
1 stop11h 55m
Delta
Sun 6/72:29 pm
YYZ
- PDX
1 stop10h 21m
Delta
Deal found 4/26![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:15 pm
PDX
- YYZ
1 stop7h 59m
Delta
Wed 5/202:20 pm
YYZ
- PDX
1 stop10h 42m
Delta
Deal found 4/25![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/65:00 am
PDX
- YYZ
1 stop13h 32m
United Airlines
Wed 6/105:15 pm
YYZ
- PDX
1 stop9h 38m
United Airlines
Deal found 4/27![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:12 pm
PDX
- YYZ
1 stop11h 18m
Delta
Sun 5/1712:29 pm
YYZ
- PDX
1 stop10h 42m
Delta
Deal found 4/25![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/2411:15 pm
PDX
- YUL
1 stop8h 25m
United Airlines
Tue 9/86:35 pm
YUL
- PDX
1 stop9h 12m
United Airlines
Deal found 4/23![United Airlines logo]()
$364
This FlightHub deal was found by Cheapflights users on 4/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/252:30 pm
PDX
- YOW
2 stops19h 00m
WestJet
Tue 6/26:15 pm
YOW
- PDX
2 stops22h 35m
WestJet
Deal found 4/25![WestJet logo]()
$446
This Air Canada deal was found by Cheapflights users on 4/27. 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 7/257:45 pm
PDX
- YOW
1 stop7h 09m
Air Canada
Fri 7/315:00 am
YOW
- PDX
1 stop12h 51m
Air Canada
Deal found 4/27![Air Canada logo]()
$482
This Delta deal was found by Cheapflights users on 4/26. 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 5/106:00 am
BOI
- YYZ
1 stop8h 35m
Delta
Wed 5/131:34 pm
YYZ
- BOI
1 stop10h 54m
Delta
Deal found 4/26![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/2410:50 pm
PDX
- YUL
1 stop11h 19m
United Airlines
Fri 9/46:10 am
YUL
- PDX
1 stop8h 25m
United Airlines
Deal found 4/25![United Airlines logo]()
$374
This WestJet deal was found by Cheapflights users on 4/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:30 pm
PDX
- YOW
1 stop12h 05m
WestJet
Wed 6/107:20 am
YOW
- PDX
1 stop9h 30m
WestJet
Deal found 4/24![WestJet logo]()
$459
This Delta deal was found by Cheapflights users on 4/24. 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 5/1111:39 pm
BOI
- YYZ
1 stop10h 40m
Delta
Wed 5/206:30 am
YYZ
- BOI
2 stops13h 20m
Delta
Deal found 4/24![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 4/22. 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 5/289:39 pm
PDX
- YUL
1 stop10h 56m
Delta
Fri 6/1912:47 pm
YUL
- PDX
1 stop12h 03m
Delta
Deal found 4/22![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 4/24. 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 6/611:30 pm
PDX
- YTZ
1 stop16h 12m
United Airlines
Wed 6/107:20 pm
YTZ
- PDX
1 stop17h 19m
United Airlines
Deal found 4/24![United Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 6/113:12 pm
BOI
- YUL
1 stop18h 30m
American Airlines
Thu 6/185:33 pm
YUL
- BOI
1 stop22h 49m
American Airlines
Deal found 4/27![American Airlines logo]()
$642
This Air Canada deal was found by Cheapflights users on 4/24. 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 6/67:45 pm
PDX
- YTZ
2 stops9h 02m
Air Canada
Wed 6/1012:30 pm
YTZ
- PDX
2 stops13h 00m
Air Canada
Deal found 4/24![Air Canada logo]()
$586
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 7/156:00 am
BOI
- YYZ
2 stops14h 01m
Delta
Wed 7/227:24 pm
YYZ
- BOI
1 stop6h 22m
Delta
Deal found 4/25![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/62:11 pm
MFR
- YYZ
1 stop13h 49m
United Airlines
Tue 6/94:18 pm
YYZ
- MFR
2 stops22h 46m
United Airlines
Deal found 4/25![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 4/24. 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 7/1311:42 pm
BOI
- YYZ
2 stops13h 38m
Delta
Thu 7/167:24 pm
YYZ
- BOI
1 stop6h 22m
Delta
Deal found 4/24![Delta logo]()
$387
This Expedia deal was found by Cheapflights users on 4/24. 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.
Mon 6/156:23 am
BOI
- YHM
2 stops14h 11m
Multiple Airlines
Mon 6/228:35 pm
YHM
- BOI
2 stops17h 51m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/237:10 am
RDM
- YYZ
2 stops23h 54m
United Airlines
Wed 5/276:30 am
YYZ
- RDM
1 stop11h 21m
United Airlines
Deal found 4/26![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 4/27. 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.
Wed 6/246:35 am
PDX
- YYZ
1 stop12h 24m
Delta
Mon 6/2912:25 pm
YYZ
- PDX
1 stop10h 52m
Delta
Deal found 4/27![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 4/23. 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 5/77:00 am
PDX
- YYZ
1 stop11h 55m
Delta
Thu 5/142:20 pm
YYZ
- PDX
1 stop10h 42m
Delta
Deal found 4/23![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/92:11 pm
MFR
- YYZ
3 stops16h 43m
United Airlines
Tue 6/166:30 am
YYZ
- MFR
1 stop8h 34m
United Airlines
Deal found 4/26![United Airlines logo]()
$486
Last-minute flights from Oregon to OntarioDiscover last-minute flight deals from Oregon to Ontario. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Ontario. Data last updated April 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/82:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 5/187:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 4/23![WestJet logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/82:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sun 5/179:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/23![WestJet logo]()
$285
This Trip.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/102:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Sun 5/176:10 am
YYZ
- PDX
2 stops10h 40m
WestJet
Deal found 4/25![WestJet logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/102:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 5/186:10 am
YYZ
- PDX
2 stops10h 40m
WestJet
Deal found 4/23![WestJet logo]()
$287
This Delta deal was found by Cheapflights users on 4/26. 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 5/106:00 am
BOI
- YYZ
1 stop8h 35m
Delta
Wed 5/131:34 pm
YYZ
- BOI
1 stop10h 54m
Delta
Deal found 4/26![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 4/24. 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 5/1111:39 pm
BOI
- YYZ
2 stops13h 35m
Delta
Wed 5/2012:09 pm
YYZ
- BOI
2 stops13h 55m
Delta
Deal found 4/24![Delta logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/132:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sun 5/179:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 4/22![WestJet logo]()
$282
This Trip.com deal was found by Cheapflights users on 4/25. 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.
Fri 5/152:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Sun 5/176:10 am
YYZ
- PDX
2 stops10h 40m
WestJet
Deal found 4/25![WestJet logo]()
$277
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/2210:40 pm
PDX
- YUL
1 stop19h 58m
American Airlines
Fri 5/297:29 am
YUL
- PDX
1 stop19h 30m
American Airlines
Deal found 4/25![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/2312:35 pm
PDX
- YUL
1 stop20h 53m
American Airlines
Wed 5/277:29 am
YUL
- PDX
1 stop19h 30m
American Airlines
Deal found 4/24![American Airlines logo]()
$382
This Mytrip deal was found by Cheapflights users on 4/26. 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 5/253:30 pm
PDX
- YUL
2 stops12h 40m
Air Canada
Mon 6/16:50 pm
YUL
- PDX
2 stops17h 40m
Air Canada
Deal found 4/26![Air Canada logo]()
$347
This Trip.com deal was found by Cheapflights users on 4/27. 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 5/282:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 6/16:10 am
YYZ
- PDX
2 stops10h 40m
WestJet
Deal found 4/27![WestJet logo]()
$269
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 April 28, 2026.
Search for one-way flight options from Oregon to Ontario. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Tue 7/142:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/24![WestJet logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/232:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/27![WestJet logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/32:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/26![WestJet logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/12:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/26![WestJet logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1112:35 pm
PDX
- YYZ
2 stops54h 20m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/202:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/24![WestJet logo]()
$125
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Sun 5/172:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/23![WestJet logo]()
$126
This Gotogate deal was found by Cheapflights users on 4/26. 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.
Sat 6/207:45 pm
PDX
- YTZ
2 stops9h 00m
Air Canada
Deal found 4/26![Air Canada logo]()
$126
This Trip.com deal was found by Cheapflights users on 4/24. 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 5/132:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/24![WestJet logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1112:35 pm
PDX
- YTZ
2 stops49h 05m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/232:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 4/24![WestJet logo]()
$128
This Mytrip deal was found by Cheapflights users on 4/25. 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 5/113:30 pm
PDX
- YUL
2 stops12h 40m
Air Canada
Deal found 4/25![Air Canada logo]()
$135
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Trip.com) |
One-way from | $87 (Mytrip) |
Popular in | December |
Cheapest in | August |
Average price | $413 |
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 April 28, 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
Wed 9/9
2:30 pm-5:10 am
2 stops11h 40m
Toronto Pearson Intl
Thu 9/17
9:30 am-4:56 pm
1 stop10h 26m
$320
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Tue 10/13
5:00 am-9:32 pm
1 stop13h 32m
Toronto Pearson Intl
Fri 10/16
6:30 am-11:02 pm
1 stop19h 32m
$347
Quickest round-trip
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Tue 9/29
5:00 am-3:14 pm
1 stop7h 14m
Toronto Pearson Intl
Tue 10/6
2:30 pm-8:13 pm
1 stop8h 43m
$347
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Tue 6/16
6:00 am-6:34 pm
1 stop9h 34m
Toronto Pearson Intl
Sat 6/20
5:45 pm-10:40 pm
1 stop7h 55m
$361
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 6/5
7:00 am-9:55 pm
1 stop11h 55m
Toronto Pearson Intl
Sun 6/7
2:29 pm-9:50 pm
1 stop10h 21m
$361
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 5/9
12:15 pm-11:14 pm
1 stop7h 59m
Toronto Pearson Intl
Wed 5/20
2:20 pm-10:02 pm
1 stop10h 42m
$362
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 6/6
5:00 am-9:32 pm
1 stop13h 32m
Toronto Pearson Intl
Wed 6/10
5:15 pm-11:53 pm
1 stop9h 38m
$362
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 5/9
11:12 pm-1:30 pm
1 stop11h 18m
Toronto Pearson Intl
Sun 5/17
12:29 pm-8:11 pm
1 stop10h 42m
$362
PortlandMontreal
PDX - YUL
PDXYUL
Portland
Mon 8/24
11:15 pm-10:40 am
1 stop8h 25m
Montreal Pierre Elliott Trudeau Intl
Tue 9/8
6:35 pm-12:47 am
1 stop9h 12m
$364
BoiseToronto
BOI - YYZ
BOIYYZ
Boise Air Term. Gowen Fld
Sun 5/10
6:00 am-4:35 pm
1 stop8h 35m
Toronto Pearson Intl
Wed 5/13
1:34 pm-10:28 pm
1 stop10h 54m
$370
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-YOW
BOI-YUL
PDX-YUL
BOI-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 Oregon to Ontario
USOR-CAON
PDX-YYZ
PDX-YOW
BOI-YUL
PDX-YUL
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 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Oregon to Region of Ontario?
Currently, October is the cheapest month in which you can book a flight from Oregon to Region of Ontario (average of $103). Flying from Oregon to Region of Ontario in June is currently the most expensive (average of $149). 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?
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 April 28, 2026.
Read through reviews of airlines operating flights from Oregon to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. 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.
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$278 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$140 | Average$595 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$144 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$537 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$343 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$573 | FlexibilityNo cancel fee | On-time75% |