$135+ Cheap flights from Oregon to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — YYZ
Oct 15 — Oct 221
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
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
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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 September 15, 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 September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/22:30 pm -
2 stops11h 40m
Sun 10/47:00 am -
1 stop9h 50m
Deal found 9/15![WestJet logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/52:30 pm -
2 stops11h 40m
Sun 10/119:00 am -
1 stop7h 50m
Deal found 9/10![WestJet logo]()
$304
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:10 am -
1 stop7h 26m
Fri 10/167:15 am -
1 stop9h 35m
Deal found 9/12![Multiple Airlines logo]()
$315
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:00 am -
1 stop7h 43m
Thu 11/58:45 am -
1 stop8h 56m
Deal found 9/14![Air Canada logo]()
$328
This Flightnetwork deal was found by Cheapflights users on 9/15. 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.
Thu 10/153:30 pm -
2 stops12h 40m
Fri 10/238:15 am -
2 stops13h 56m
Deal found 9/15![Air Canada logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:30 pm -
1 stop7h 35m
Sat 10/1010:20 pm -
2 stops18h 30m
Deal found 9/14![WestJet logo]()
$338
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
2 stops11h 40m
Wed 9/304:55 pm -
1 stop8h 06m
Deal found 9/12![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:49 pm -
2 stops13h 11m
Thu 11/57:00 am -
1 stop8h 54m
Deal found 9/13![Multiple Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:00 am -
1 stop6h 57m
Tue 11/38:45 am -
1 stop8h 56m
Deal found 9/12![Air Canada logo]()
$345
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:30 pm -
2 stops11h 40m
Sun 10/116:10 am -
2 stops10h 40m
Deal found 9/10![WestJet logo]()
$346
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/52:30 pm -
1 stop7h 35m
Sat 10/1010:55 pm -
2 stops17h 55m
Deal found 9/10![WestJet logo]()
$352
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:10 am -
1 stop7h 26m
Fri 10/168:30 am -
1 stop13h 41m
Deal found 9/14![Air Canada logo]()
$359
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 September 15, 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 September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/207:33 pm -
1 stop9h 43m
Wed 10/2111:23 am -
1 stop13h 04m
Deal found 9/14![United Airlines logo]()
$370
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:30 pm -
2 stops19h 00m
Wed 10/146:55 am -
2 stops9h 55m
Deal found 9/10![WestJet logo]()
$387
This Delta deal was found by Cheapflights users on 9/10. 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 10/811:12 pm -
1 stop11h 24m
Wed 10/1411:38 am -
1 stop13h 11m
Deal found 9/10![Delta logo]()
$389
This United deal was found by Cheapflights users on 9/11. 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.
Mon 10/1911:30 pm -
1 stop15h 00m
Fri 10/237:30 am -
1 stop10h 16m
Deal found 9/11![Multiple Airlines logo]()
$390
This Air Canada deal was found by Cheapflights users on 9/10. 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 11/2310:00 am -
1 stop7h 30m
Fri 11/277:30 am -
1 stop16h 16m
Deal found 9/10![Air Canada logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:18 pm -
1 stop21h 47m
Fri 11/65:15 pm -
1 stop8h 34m
Deal found 9/14![Alaska Airlines logo]()
$447
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:14 pm -
1 stop8h 33m
Tue 10/273:00 pm -
1 stop9h 34m
Deal found 9/11![American Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 9/15. 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 12/111:55 pm -
1 stop6h 31m
Wed 12/1612:20 pm -
1 stop12h 36m
Deal found 9/15![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/147:02 am -
1 stop7h 54m
Wed 10/211:00 pm -
1 stop8h 53m
Deal found 9/14![United Airlines logo]()
$389
This United deal was found by Cheapflights users on 9/11. 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.
Thu 2/44:05 pm -
2 stops18h 55m
Tue 2/98:45 am -
1 stop8h 56m
Deal found 9/11![Multiple Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 9/12. 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.
Thu 10/811:12 pm -
1 stop11h 24m
Sun 10/1111:38 am -
1 stop13h 11m
Deal found 9/12![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:30 pm -
1 stop7h 24m
Thu 10/156:30 am -
1 stop10h 57m
Deal found 9/10![United Airlines logo]()
$389
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:15 pm -
2 stops15h 45m
Sun 11/157:30 am -
1 stop10h 11m
Deal found 9/14![Multiple Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
1 stop7h 15m
Sun 11/157:09 am -
1 stop7h 28m
Deal found 9/14![American Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:43 am -
1 stop7h 02m
Wed 10/214:55 pm -
1 stop9h 04m
Deal found 9/14![Alaska Airlines logo]()
$447
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Tue 10/207:45 pm -
1 stop17h 38m
Wed 10/217:30 pm -
2 stops17h 01m
Deal found 9/10![Air Canada logo]()
$457
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:50 am -
1 stop12h 09m
Sun 10/2511:38 am -
1 stop13h 11m
Deal found 9/14![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 9/3011:30 pm -
1 stop7h 24m
Wed 10/142:45 pm -
1 stop10h 38m
Deal found 9/12![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 pm -
1 stop10h 19m
Sun 10/1811:38 am -
1 stop13h 11m
Deal found 9/14![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/1011:30 pm -
1 stop8h 10m
Fri 10/166:35 pm -
1 stop8h 59m
Deal found 9/14![United Airlines logo]()
$389
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:30 pm -
1 stop7h 37m
Tue 10/612:15 pm -
1 stop9h 38m
Deal found 9/13![Air Canada logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:43 am -
2 stops34h 37m
Fri 11/68:30 pm -
1 stop20h 58m
Deal found 9/14![Multiple Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:12 pm -
1 stop11h 24m
Tue 10/1311:38 am -
1 stop13h 11m
Deal found 9/14![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/292:34 pm -
1 stop6h 25m
Tue 11/38:35 am -
2 stops15h 27m
Deal found 9/12![United Airlines logo]()
$394
This United deal was found by Cheapflights users on 9/11. 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.
Wed 11/1111:30 pm -
1 stop11h 39m
Thu 11/267:50 am -
2 stops13h 41m
Deal found 9/11![Multiple Airlines logo]()
$453
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Wed 9/2311:02 pm -
1 stop8h 05m
Fri 9/2512:15 pm -
1 stop9h 38m
Deal found 9/10![Air Canada logo]()
$510
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/226:15 am -
2 stops13h 55m
Mon 3/112:45 pm -
2 stops14h 06m
Deal found 9/14![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 2/216:59 pm -
2 stops15h 11m
Wed 3/36:10 am -
2 stops17h 39m
Deal found 9/14![United Airlines logo]()
$400
This United deal was found by Cheapflights users on 9/11. 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.
Mon 10/1210:33 pm -
1 stop15h 05m
Thu 10/226:00 am -
2 stops11h 46m
Deal found 9/11![Multiple Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/1410:33 pm -
1 stop11h 36m
Tue 10/206:10 am -
1 stop19h 13m
Deal found 9/13![United Airlines logo]()
$400
Last-minute flights from Oregon to OntarioDiscover last-minute flight deals from Oregon to Ontario. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Ontario. Data last updated September 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:02 pm -
1 stop8h 38m
Sat 9/269:15 am -
1 stop13h 55m
Deal found 9/10![United Airlines logo]()
$421
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
2 stops11h 40m
Wed 9/304:55 pm -
1 stop8h 06m
Deal found 9/12![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/22:30 pm -
2 stops11h 40m
Sun 10/47:00 am -
1 stop9h 50m
Deal found 9/15![WestJet logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:30 pm -
1 stop7h 35m
Sat 10/1010:20 pm -
2 stops18h 30m
Deal found 9/14![WestJet logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/52:30 pm -
2 stops11h 40m
Sun 10/119:00 am -
1 stop7h 50m
Deal found 9/10![WestJet logo]()
$304
This Justfly.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/52:30 pm -
1 stop7h 35m
Sat 10/1010:55 pm -
2 stops17h 55m
Deal found 9/10![WestJet logo]()
$352
This Trip.com deal was found by Cheapflights users on 9/11. 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 10/52:30 pm -
1 stop23h 45m
Tue 10/138:15 pm -
1 stop20h 35m
Deal found 9/11![WestJet logo]()
$361
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Mon 10/52:30 pm -
1 stop25h 50m
Wed 10/146:55 am -
2 stops9h 55m
Deal found 9/10![WestJet logo]()
$386
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:30 pm -
1 stop23h 45m
Tue 10/136:05 pm -
2 stops18h 26m
Deal found 9/13![Multiple Airlines logo]()
$394
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:30 pm -
2 stops11h 40m
Sun 10/116:10 am -
2 stops10h 40m
Deal found 9/10![WestJet logo]()
$346
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:00 am -
1 stop6h 57m
Tue 11/38:45 am -
1 stop8h 56m
Deal found 9/12![Air Canada logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:49 pm -
2 stops13h 11m
Thu 11/57:00 am -
1 stop8h 54m
Deal found 9/13![Multiple Airlines logo]()
$341
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 September 15, 2026.
Search for one-way flight options from Oregon to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:30 pm -
2 stops11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![WestJet logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:30 pm -
2 stops11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/52:30 pm -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:49 pm -
3 stops31h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/262:50 pm -
3 stops31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$152
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Fri 11/137:10 pm -
1 stop8h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$161
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 9/3010:43 am -
1 stop7h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$163
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/22:27 pm -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/157:29 pm -
1 stop8h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$165
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Sun 10/117:45 pm -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$166
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:06 pm -
2 stops9h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:09 pm -
2 stops10h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$171
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $454 |
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 7,457,451 searches. Data last updated September 15, 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
BoiseToronto
BOI Boise Air Term. Gowen Fld - YYZ Toronto Pearson Intl
BOIYYZ
Boise Air Term. Gowen Fld
Mon 10/26
2:50 pm-8:20 pm
2 stops27h 30m
Toronto Pearson Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$160
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Tue 10/6
10:10 am-9:00 pm
1 stop7h 50m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$161
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Fri 11/13
7:10 pm-6:52 am
1 stop8h 42m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$161
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Wed 9/30
10:43 am-9:32 pm
1 stop7h 49m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$163
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Fri 10/2
2:27 pm-11:59 pm
1 stop6h 32m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$164
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Thu 10/15
7:29 pm-7:00 am
1 stop8h 31m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$165
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Tue 10/13
11:30 pm-9:54 am
1 stop7h 24m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$165
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Fri 11/13
11:09 pm-1:01 pm
2 stops10h 52m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$171
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Sat 10/10
7:29 pm-11:49 am
2 stops13h 20m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$171
PortlandToronto
PDX Portland - YYZ Toronto Pearson Intl
PDXYYZ
Portland
Sat 10/3
8:40 am-11:59 pm
2 stops12h 19m
Toronto Pearson Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$171
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.
BOI-YYZ
PDX-YYZ
PDX-YUL
PDX-YOW
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
BOI-YYZ
PDX-YYZ
PDX-YUL
PDX-YOW
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 $351 and $524 in October.The cheapest round-trip price found within the last 5 days was $299 on WestJet (Oct 2-Oct 4).
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 85 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 September 15, 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.
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 September 15, 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$113 | Average$290 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$142 | Average$429 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$627 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$173 | Average$630 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$545 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$355 | Average$432 | FlexibilityNo cancel fee | On-time71% |