$139+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Jul 14 — Jul 211
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 Oregon to Ontario
Cheapest
Best
Last-minute
One-way
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 June 14, 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 June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/192:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 9/29:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/11![WestJet logo]()
$301
This Vliegwinkel deal was found by Cheapflights users on 6/14. 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.
Mon 7/207:45 pm
PDX
- YYZ
1 stop9h 35m
Multiple Airlines
Wed 7/297:00 am
YYZ
- PDX
1 stop9h 50m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/222:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 7/299:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/11![WestJet logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/182:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Fri 9/49:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/11![WestJet logo]()
$308
This Trip.com deal was found by Cheapflights users on 6/11. 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 7/207:45 pm
PDX
- YYZ
2 stops9h 40m
Multiple Airlines
Tue 7/289:00 am
YYZ
- PDX
1 stop7h 50m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/222:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Wed 8/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/10![WestJet logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/112:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 8/317:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 6/11![WestJet logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/212:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 8/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/10![WestJet logo]()
$319
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Tue 7/288:00 am
YYZ
- PDX
1 stop8h 50m
WestJet
Deal found 6/9![WestJet logo]()
$322
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Thu 8/272:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Mon 8/317:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 6/10![WestJet logo]()
$326
This Trip.com deal was found by Cheapflights users on 6/10. 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 7/82:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 7/157:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 6/10![WestJet logo]()
$329
This Flightnetwork deal was found by Cheapflights users on 6/14. 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.
Mon 7/207:45 pm
PDX
- YYZ
2 stops9h 40m
Air Canada
Wed 7/297:45 am
YYZ
- PDX
2 stops14h 26m
Air Canada
Deal found 6/14![Air Canada logo]()
$330
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 June 14, 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 June 14, 2026.
This United deal was found by Cheapflights users on 6/12. 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 8/143:43 pm
PDX
- YYZ
2 stops20h 33m
Multiple Airlines
Tue 8/187:30 am
YYZ
- PDX
1 stop10h 21m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 6/10. 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 11/116:00 am
PDX
- YYZ
1 stop7h 41m
Delta
Sat 11/145:50 pm
YYZ
- PDX
1 stop9h 01m
Delta
Deal found 6/10![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/128:40 am
PDX
- YYZ
1 stop9h 52m
United Airlines
Fri 9/185:27 pm
YYZ
- PDX
1 stop8h 25m
United Airlines
Deal found 6/13![United Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/276:40 am
BOI
- YYZ
1 stop7h 05m
Alaska Airlines
Wed 10/284:55 pm
YYZ
- BOI
1 stop9h 03m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$440
This Air Canada deal was found by Cheapflights users on 6/14. 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 8/53:30 pm
PDX
- YUL
2 stops12h 40m
Air Canada
Sat 8/89:20 pm
YUL
- PDX
2 stops20h 31m
Air Canada
Deal found 6/14![Air Canada logo]()
$505
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:16 pm
BOI
- YUL
1 stop18h 27m
American Airlines
Thu 9/37:55 am
YUL
- BOI
2 stops16h 16m
American Airlines
Deal found 6/13![American Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/1711:17 pm
PDX
- YYZ
1 stop16h 43m
United Airlines
Sun 9/207:00 pm
YYZ
- PDX
1 stop17h 50m
United Airlines
Deal found 6/12![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 6/13. 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 8/76:45 am
PDX
- YYZ
1 stop12h 14m
Delta
Thu 8/136:15 am
YYZ
- PDX
1 stop10h 23m
Delta
Deal found 6/13![Delta logo]()
$382
This United deal was found by Cheapflights users on 6/13. 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.
Sun 9/135:00 am
PDX
- YYZ
1 stop13h 32m
Multiple Airlines
Sat 9/197:55 am
YYZ
- PDX
2 stops14h 11m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/14. 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
- YYZ
1 stop9h 47m
United Airlines
Mon 9/142:30 pm
YYZ
- PDX
1 stop8h 40m
United Airlines
Deal found 6/14![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 6/11. 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 8/246:00 am
PDX
- YYZ
1 stop9h 34m
Delta
Fri 8/284:10 pm
YYZ
- PDX
1 stop8h 59m
Delta
Deal found 6/11![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/2011:02 pm
PDX
- YYZ
1 stop15h 54m
United Airlines
Mon 8/311:00 pm
YYZ
- PDX
1 stop12h 52m
United Airlines
Deal found 6/11![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 6/9. 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 6/2811:45 pm
BOI
- YYZ
1 stop8h 38m
Delta
Sat 7/412:25 pm
YYZ
- BOI
1 stop10h 47m
Delta
Deal found 6/9![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/2911:40 pm
PDX
- YYZ
1 stop9h 09m
United Airlines
Mon 7/138:00 pm
YYZ
- PDX
1 stop16h 25m
United Airlines
Deal found 6/14![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 8/276:23 am
BOI
- YYZ
2 stops14h 31m
Alaska Airlines
Sun 8/302:55 pm
YYZ
- BOI
2 stops20h 57m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 6/12. 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 9/212:14 pm
BOI
- YYZ
1 stop7h 45m
Delta
Mon 9/287:24 pm
YYZ
- BOI
1 stop6h 31m
Delta
Deal found 6/12![Delta logo]()
$397
This Air Canada deal was found by Cheapflights users on 6/14. 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 9/77:45 pm
PDX
- YOW
2 stops10h 39m
Air Canada
Sat 9/126:15 pm
YOW
- PDX
2 stops18h 16m
Air Canada
Deal found 6/14![Air Canada logo]()
$534
This United deal was found by Cheapflights users on 6/10. 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 10/1910:33 pm
PDX
- YUL
1 stop11h 36m
Multiple Airlines
Fri 10/238:30 am
YUL
- PDX
2 stops13h 36m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 8/2612:12 pm
BOI
- YYZ
1 stop8h 42m
Alaska Airlines
Thu 8/276:46 am
YYZ
- BOI
1 stop9h 13m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 6/10. 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 7/311:45 pm
BOI
- YYZ
1 stop10h 40m
Delta
Fri 7/1011:40 am
YYZ
- BOI
1 stop12h 17m
Delta
Deal found 6/10![Delta logo]()
$397
This United deal was found by Cheapflights users on 6/9. 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 9/147:02 am
PDX
- YUL
1 stop7h 28m
Multiple Airlines
Thu 9/248:00 am
YUL
- PDX
2 stops9h 51m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/87:05 pm
BOI
- YYZ
1 stop9h 55m
United Airlines
Fri 8/146:40 pm
YYZ
- BOI
1 stop16h 54m
United Airlines
Deal found 6/9![United Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 6/10. 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 7/93:10 pm
BOI
- YUL
1 stop23h 37m
American Airlines
Wed 7/157:17 am
YUL
- BOI
2 stops11h 33m
American Airlines
Deal found 6/10![American Airlines logo]()
$654
This United deal was found by Cheapflights users on 6/11. 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 9/411:02 pm
PDX
- YUL
1 stop15h 28m
Multiple Airlines
Tue 9/88:00 am
YUL
- PDX
2 stops9h 51m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 6/11. 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 7/810:29 am
BOI
- YYZ
1 stop10h 44m
Delta
Tue 7/1411:40 am
YYZ
- BOI
1 stop12h 17m
Delta
Deal found 6/11![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/810:40 pm
PDX
- YUL
1 stop15h 50m
United Airlines
Wed 7/156:35 pm
YUL
- PDX
1 stop9h 15m
United Airlines
Deal found 6/14![United Airlines logo]()
$448
This United deal was found by Cheapflights users on 6/10. 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 10/1911:30 pm
PDX
- YUL
1 stop8h 10m
Multiple Airlines
Sat 10/2411:10 am
YUL
- PDX
2 stops10h 56m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/95:24 am
EUG
- YYZ
2 stops14h 11m
American Airlines
Fri 8/147:20 am
YYZ
- EUG
2 stops15h 49m
American Airlines
Deal found 6/10![American Airlines logo]()
$689
This Delta deal was found by Cheapflights users on 6/9. 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 8/2311:10 pm
BOI
- YYZ
1 stop9h 15m
Delta
Thu 8/275:50 pm
YYZ
- BOI
1 stop8h 09m
Delta
Deal found 6/9![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/2011:40 pm
PDX
- YTZ
1 stop7h 27m
United Airlines
Tue 7/2812:15 pm
YTZ
- PDX
1 stop9h 32m
United Airlines
Deal found 6/11![United Airlines logo]()
$452
Last-minute flights from Oregon to OntarioDiscover last-minute flight deals from Oregon to Ontario. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Ontario. Data last updated June 14, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/10. 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 7/82:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 7/157:00 am
YYZ
- PDX
1 stop9h 50m
WestJet
Deal found 6/10![WestJet logo]()
$329
This Delta deal was found by Cheapflights users on 6/9. 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 7/810:29 am
BOI
- YYZ
1 stop10h 44m
Delta
Tue 7/1411:40 am
YYZ
- BOI
1 stop12h 17m
Delta
Deal found 6/9![Delta logo]()
$397
This Flighttix deal was found by Cheapflights users on 6/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:45 pm
PDX
- YUL
2 stops13h 16m
Multiple Airlines
Tue 7/287:15 am
YUL
- PDX
1 stop9h 35m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$424
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Sun 7/197:45 pm
PDX
- YUL
2 stops13h 16m
Air Canada
Tue 7/284:30 pm
YUL
- PDX
2 stops20h 01m
Air Canada
Deal found 6/11![Air Canada logo]()
$425
This Vliegwinkel deal was found by Cheapflights users on 6/14. 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.
Mon 7/207:45 pm
PDX
- YYZ
1 stop9h 35m
Multiple Airlines
Wed 7/297:00 am
YYZ
- PDX
1 stop9h 50m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$304
This Trip.com deal was found by Cheapflights users on 6/11. 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 7/207:45 pm
PDX
- YYZ
2 stops9h 40m
Multiple Airlines
Tue 7/289:00 am
YYZ
- PDX
1 stop7h 50m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$309
This Flightnetwork deal was found by Cheapflights users on 6/14. 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.
Mon 7/207:45 pm
PDX
- YYZ
2 stops9h 40m
Air Canada
Wed 7/297:45 am
YYZ
- PDX
2 stops14h 26m
Air Canada
Deal found 6/14![Air Canada logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/212:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 8/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/10![WestJet logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/222:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Wed 7/299:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/11![WestJet logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/222:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Wed 8/59:00 am
YYZ
- PDX
1 stop7h 50m
WestJet
Deal found 6/10![WestJet logo]()
$312
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Tue 7/288:00 am
YYZ
- PDX
1 stop8h 50m
WestJet
Deal found 6/9![WestJet logo]()
$322
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:30 pm
PDX
- YUL
1 stop13h 35m
WestJet
Tue 7/287:15 am
YUL
- PDX
1 stop9h 35m
WestJet
Deal found 6/12![WestJet logo]()
$422
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 June 14, 2026.
Search for one-way flight options from Oregon to Ontario. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/282:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 6/12![WestJet logo]()
$139
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 6/10![WestJet logo]()
$140
This Mytrip deal was found by Cheapflights users on 6/14. 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 7/2810:10 am
PDX
- YYZ
2 stops10h 36m
Air Canada
Deal found 6/14![Air Canada logo]()
$143
This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Deal found 6/9![WestJet logo]()
$145
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:30 pm
PDX
- YYZ
2 stops11h 40m
WestJet
Deal found 6/10![WestJet logo]()
$148
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:30 pm
PDX
- YYZ
1 stop7h 35m
WestJet
Deal found 6/11![WestJet logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 6/11. 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
Deal found 6/11![WestJet logo]()
$152
This Air Canada deal was found by Cheapflights users on 6/10. 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 8/173:30 pm
PDX
- YYZ
2 stops12h 12m
Air Canada
Deal found 6/10![Air Canada logo]()
$161
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/177:15 pm
PDX
- YYZ
1 stop8h 45m
United Airlines
Deal found 6/12![United Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 6/10. 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 6/2511:15 pm
PDX
- YYZ
1 stop11h 19m
Delta
Deal found 6/10![Delta logo]()
$164
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/125:15 am
PDX
- YYZ
1 stop7h 55m
United Airlines
Deal found 6/9![United Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 6/12. 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 6/272:50 pm
BOI
- YYZ
1 stop6h 24m
Delta
Deal found 6/12![Delta logo]()
$170
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Kiwi.com) |
One-way from | $139 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $442 |
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 June 14, 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
Fri 8/14
3:43 pm-3:16 pm
2 stops20h 33m
Toronto Pearson Intl
Tue 8/18
7:30 am-2:51 pm
1 stop10h 21m
$381
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Wed 11/11
6:00 am-4:41 pm
1 stop7h 41m
Toronto Pearson Intl
Sat 11/14
5:50 pm-11:51 pm
1 stop9h 01m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sat 9/12
8:40 am-9:32 pm
1 stop9h 52m
Toronto Pearson Intl
Fri 9/18
5:27 pm-10:52 pm
1 stop8h 25m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Thu 9/17
11:17 pm-7:00 pm
1 stop16h 43m
Toronto Pearson Intl
Sun 9/20
7:00 pm-9:50 am
1 stop17h 50m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Fri 8/7
6:45 am-9:59 pm
1 stop12h 14m
Toronto Pearson Intl
Thu 8/13
6:15 am-1:38 pm
1 stop10h 23m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Wed 9/9
11:02 pm-11:49 am
1 stop9h 47m
Toronto Pearson Intl
Mon 9/14
2:30 pm-8:10 pm
1 stop8h 40m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Mon 8/24
6:00 am-6:34 pm
1 stop9h 34m
Toronto Pearson Intl
Fri 8/28
4:10 pm-10:09 pm
1 stop8h 59m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Thu 8/20
11:02 pm-5:56 pm
1 stop15h 54m
Toronto Pearson Intl
Mon 8/31
1:00 pm-10:52 pm
1 stop12h 52m
$382
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Mon 6/29
11:40 pm-11:49 am
1 stop9h 09m
Toronto Pearson Intl
Mon 7/13
8:00 pm-9:25 am
1 stop16h 25m
$384
PortlandToronto
PDX - YYZ
PDXYYZ
Portland
Sun 9/13
5:00 am-9:32 pm
1 stop13h 32m
Toronto Pearson Intl
Sat 9/19
7:55 am-7:06 pm
2 stops14h 11m
$396
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
BOI-YYZ
PDX-YUL
BOI-YUL
PDX-YOW
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
BOI-YYZ
PDX-YUL
BOI-YUL
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 May is currently the most expensive (average of $153). 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?
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 88 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 June 14, 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.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
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.
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
Popular flights
Return Flight Options
Top destinations
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 June 14, 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$285 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$142 | Average$582 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$144 | Average$481 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$321 | Average$605 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$343 | Average$504 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$584 | FlexibilityNo cancel fee | On-time75% |